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Himalayas Exaggerated (Draft …
Title Himalayas Exaggerated (Draft)
Abstract Satellite photographs (from Terra-MODIS) and computer-generated models help visualize Bangladesh's place in the world. Located in South Asia, it is virtually surrounded by India and the Bay of Bengal to the south. But in many ways, the country's fate is dominated by the world's highest mountain range looming to the north-the Himalayas.
Completed 2002-01-23
Himalayas Exaggerated (Draft …
Title Himalayas Exaggerated (Draft)
Abstract Satellite photographs (from Terra-MODIS) and computer-generated models help visualize Bangladesh's place in the world. Located in South Asia, it is virtually surrounded by India and the Bay of Bengal to the south. But in many ways, the country's fate is dominated by the world's highest mountain range looming to the north-the Himalayas.
Completed 2002-01-23
Dhaka, Bangladesh Urban Grow …
Title Dhaka, Bangladesh Urban Growth
Abstract The population of Dhaka, Bangladesh grew in size considerably between 1972 and 2001. This 'urban growth' can be easily seen through various Landsat satellite images over time.
Completed 2001-12-12
Dhaka, Bangladesh Urban Grow …
Title Dhaka, Bangladesh Urban Growth
Abstract The population of Dhaka, Bangladesh grew in size considerably between 1972 and 2001. This 'urban growth' can be easily seen through various Landsat satellite images over time.
Completed 2001-12-12
Dhaka, Bangladesh Urban Grow …
Title Dhaka, Bangladesh Urban Growth
Abstract The population of Dhaka, Bangladesh grew in size considerably between 1972 and 2001. This 'urban growth' can be easily seen through various Landsat satellite images over time.
Completed 2001-12-12
Dhaka, Bangladesh Urban Grow …
Title Dhaka, Bangladesh Urban Growth
Abstract The population of Dhaka, Bangladesh grew in size considerably between 1972 and 2001. This 'urban growth' can be easily seen through various Landsat satellite images over time.
Completed 2001-12-12
Dhaka, Bangladesh Urban Grow …
Title Dhaka, Bangladesh Urban Growth
Abstract The population of Dhaka, Bangladesh grew in size considerably between 1972 and 2001. This 'urban growth' can be easily seen through various Landsat satellite images over time.
Completed 2001-12-12
CALIPSO Profile over China, …
Title CALIPSO Profile over China, India and Bhutan
Abstract Aerosols, small particles in the atmosphere, can be produced from natural sources, such as volcanos and dust storms, or from human activity, such as pollution from manufacturing and automobiles. Aerosols remain in the atmosphere for long periods and travel across the globe propelled by winds. They also affect weather and climate by reflecting or absorbing sunlight and by altering chemical reactions within the atmosphere. The CALIOP lidar onboard the CALIPSO satellite enables scientists to collect aerosol data on slices or 'curtains' through the atmosphere. In these images looking east across India over the Himalayan Mountains and Bangladesh, slices of total attenuated backscatter show the geographic location and altitude of both aerosols and subvisible clouds in the upper troposphere. The curtain shown here extends from sea level to a height of 20 km. Both the height of the curtain and the terrain are exaggerated by 6x.
Completed 2006-07-27
CALIPSO Profile over China, …
Title CALIPSO Profile over China, India and Bhutan
Abstract Aerosols, small particles in the atmosphere, can be produced from natural sources, such as volcanos and dust storms, or from human activity, such as pollution from manufacturing and automobiles. Aerosols remain in the atmosphere for long periods and travel across the globe propelled by winds. They also affect weather and climate by reflecting or absorbing sunlight and by altering chemical reactions within the atmosphere. The CALIOP lidar onboard the CALIPSO satellite enables scientists to collect aerosol data on slices or 'curtains' through the atmosphere. In these images looking east across India over the Himalayan Mountains and Bangladesh, slices of total attenuated backscatter show the geographic location and altitude of both aerosols and subvisible clouds in the upper troposphere. The curtain shown here extends from sea level to a height of 20 km. Both the height of the curtain and the terrain are exaggerated by 6x.
Completed 2006-07-27
CALIPSO Profile over China, …
Title CALIPSO Profile over China, India and Bhutan
Abstract Aerosols, small particles in the atmosphere, can be produced from natural sources, such as volcanos and dust storms, or from human activity, such as pollution from manufacturing and automobiles. Aerosols remain in the atmosphere for long periods and travel across the globe propelled by winds. They also affect weather and climate by reflecting or absorbing sunlight and by altering chemical reactions within the atmosphere. The CALIOP lidar onboard the CALIPSO satellite enables scientists to collect aerosol data on slices or 'curtains' through the atmosphere. In these images looking east across India over the Himalayan Mountains and Bangladesh, slices of total attenuated backscatter show the geographic location and altitude of both aerosols and subvisible clouds in the upper troposphere. The curtain shown here extends from sea level to a height of 20 km. Both the height of the curtain and the terrain are exaggerated by 6x.
Completed 2006-07-27
CALIPSO Profile over China, …
Title CALIPSO Profile over China, India and Bhutan
Abstract Aerosols, small particles in the atmosphere, can be produced from natural sources, such as volcanos and dust storms, or from human activity, such as pollution from manufacturing and automobiles. Aerosols remain in the atmosphere for long periods and travel across the globe propelled by winds. They also affect weather and climate by reflecting or absorbing sunlight and by altering chemical reactions within the atmosphere. The CALIOP lidar onboard the CALIPSO satellite enables scientists to collect aerosol data on slices or 'curtains' through the atmosphere. In these images looking east across India over the Himalayan Mountains and Bangladesh, slices of total attenuated backscatter show the geographic location and altitude of both aerosols and subvisible clouds in the upper troposphere. The curtain shown here extends from sea level to a height of 20 km. Both the height of the curtain and the terrain are exaggerated by 6x.
Completed 2006-07-27
CALIPSO Profile over China, …
Title CALIPSO Profile over China, India and Bhutan
Abstract Aerosols, small particles in the atmosphere, can be produced from natural sources, such as volcanos and dust storms, or from human activity, such as pollution from manufacturing and automobiles. Aerosols remain in the atmosphere for long periods and travel across the globe propelled by winds. They also affect weather and climate by reflecting or absorbing sunlight and by altering chemical reactions within the atmosphere. The CALIOP lidar onboard the CALIPSO satellite enables scientists to collect aerosol data on slices or 'curtains' through the atmosphere. In these images looking east across India over the Himalayan Mountains and Bangladesh, slices of total attenuated backscatter show the geographic location and altitude of both aerosols and subvisible clouds in the upper troposphere. The curtain shown here extends from sea level to a height of 20 km. Both the height of the curtain and the terrain are exaggerated by 6x.
Completed 2006-07-27
Himalayas Exaggerated (versi …
Title Himalayas Exaggerated (version 2.2)
Abstract Satellite photographs (from Terra-MODIS) and computer-generated models help visualize Bangladesh's place in the world. Located in South Asia, it is virtually surrounded by India and the Bay of Bengal to the south. But in many ways, the country's fate is dominated by the world's highest mountain range looming to the north-the Himalayas.
Completed 2002-04-18
Himalayas Exaggerated (versi …
Title Himalayas Exaggerated (version 2.2)
Abstract Satellite photographs (from Terra-MODIS) and computer-generated models help visualize Bangladesh's place in the world. Located in South Asia, it is virtually surrounded by India and the Bay of Bengal to the south. But in many ways, the country's fate is dominated by the world's highest mountain range looming to the north-the Himalayas.
Completed 2002-04-18
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Weeks of intense heat in India finally gave way to a late-onset monsoon season, and the people in the sate of Assam in the northeast part of the country traded one environmental insult for another: heat for flooding. A deluge of rain brought the Brahmaputra River and numerous tributaries out of their banks in severe flooding that has displaced almost half a million people. These images show the region on March 5 (top images, before the monsoon) and June 16 (bottom image, monsoon flooding). Both images were acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite. The top two images are from March 5, showing the wider area and a close up of the Brahmaputra River in Assam using a false-color image technique that highlights the presence of standing water, which appears dark blue or black. The river makes a thin squiggly line through the pale tan flood plain, which contrasts against the green vegetation. On June 16 (bottom image), the swollen river makes a broad blue line through the image, and flooded areas are obvious all along the foothills of the Himalaya Mountains, which run across the top of the images. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS? maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team at NASA GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Large parts of Bangladesh (center) and India (left and upper right) are underwater in this image from the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite captured August 6, 2003 (top image). The images have been enhanced to show the presence of water, which appears dark blue, while vegetation remains green, and clouds are white (liquid water) or light blue (ice crystals). Snow on the Himalaya Mountains, which run across the top of the image, is bright blue. Compared to an image captured on March 5 (bottom) before the onset of the seasonal monsoon, rivers appear to be out of their banks and the terrain surrounding the Ganges River (flowing in from left edge) and the Brahmaputra River (flowing in from upper right) is waterlogged, with standing water giving the landscape a bruised appearance. Although flooding during the monsoon is normal, many parts of India, Bangladesh and Nepal are experiencing more severe flooding than usual. Image courtesy Jesse Allen, based on data from the MODIS Rapid Response Team at NASA GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Intense monsoon rains beginning in mid-June combined with melting snow running out of the Himalaya Mountains to trigger extensive flooding across Bangladesh and northeastern India at the end of June and beginning of July 2004. This Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) image, acquired on June 28 by the Terra [ http://terra.nasa.gov/ ] satellite, shows just how widespread the floods are. The image includes an area that is about 2000 kilometers wide, and dark blue water, not present in an image taken on May 8 during the dry season, covers much of the scene. In this false-color image pair, water is dark blue, vegetation is bright green, and clouds are light blue. Bare earth is tan. In the flood image, the sun is reflecting off the surface of the water, creating a bright white patch near the center of the image. As of July 10, 55 people had died in the floods in northeastern India, and hundreds of thousands more have been affected. In Bangladesh, high waters stranded nearly half a million people, according to news reports. NASA image courtesy Jesse Allen, based on data from the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at Goddard Space Flight Center.
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Intense monsoon rains beginning in mid-June combined with melting snow running out of the Himalaya Mountains to trigger extensive flooding across Bangladesh and northeastern India at the end of June and beginning of July 2004. This Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) image, acquired on June 28 by the Terra [ http://terra.nasa.gov/ ] satellite, shows just how widespread the floods are. The image includes an area that is about 2000 kilometers wide, and dark blue water, not present in an image taken on May 8 during the dry season, covers much of the scene. In this false-color image pair, water is dark blue, vegetation is bright green, and clouds are light blue. Bare earth is tan. In the flood image, the sun is reflecting off the surface of the water, creating a bright white patch near the center of the image. As of July 10, 55 people had died in the floods in northeastern India, and hundreds of thousands more have been affected. In Bangladesh, high waters stranded nearly half a million people, according to news reports. NASA image courtesy Jesse Allen, based on data from the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at Goddard Space Flight Center.
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Some of the worst flooding in over a decade is now being reported across southern Asia as a result of summer monsoon rains. So far, there have been over 240 fatalities in Nepal, India and Bangladesh since the flooding began, and up to 10 million people have been displaced by the widespread flooding. Nepal has been hit hard by flash floods and mudslides. In India, the hardest hit states are Assam and Bihar. Twenty-two of the 24 districts in Assam are reported to be under water as the Brahmaputra river continues to rise. Meanwhile, in Bangladesh the worst hit province is Sylhet where the Surma and Kushiyara rivers have flooded widespread areas. Sylhet borders the Indian state of Assam. Since its launch in November of 1997, the Tropical Rainfall Measuring Mission satellite has been providing un-precedented estimates of rainfall over the global Tropics. Armed with both passive and active sensors, TRMM is able to cover vast areas of the Tropics where rainfall is poorly measured such as over oceans and over land areas where radar coverage is poor or lacking. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (MPA) at the NASA Goddard Space Flight Center monitors rainfall over the global tropics. MPA rainfall totals for the period 5-12 July 2004 are shown for southern Asia. Widespread areas of 10 inches or more (red areas) occur along southern Nepal, northern and northeastern India and northern and southeastern Bangladesh. Some of the highest totals approaching 16 inches (dark red areas) are over central Nepal at the base of the Himalayan Mountains and over the Khasi Hills near the border between province of Sylhet in Bangladesh and the state of Assam, India. TRMM is a joint mission between NASA and the Japanese space agency JAXA. Image produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Some of the worst flooding in over a decade is now being reported across southern Asia as a result of summer monsoon rains. So far, there have been over 240 fatalities in Nepal, India and Bangladesh since the flooding began, and up to 10 million people have been displaced by the widespread flooding. Nepal has been hit hard by flash floods and mudslides. In India, the hardest hit states are Assam and Bihar. Twenty-two of the 24 districts in Assam are reported to be under water as the Brahmaputra river continues to rise. Meanwhile, in Bangladesh the worst hit province is Sylhet where the Surma and Kushiyara rivers have flooded widespread areas. Sylhet borders the Indian state of Assam. Since its launch in November of 1997, the Tropical Rainfall Measuring Mission satellite has been providing un-precedented estimates of rainfall over the global Tropics. Armed with both passive and active sensors, TRMM is able to cover vast areas of the Tropics where rainfall is poorly measured such as over oceans and over land areas where radar coverage is poor or lacking. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (MPA) at the NASA Goddard Space Flight Center monitors rainfall over the global tropics. MPA rainfall totals for the period 5-12 July 2004 are shown for southern Asia. Widespread areas of 10 inches or more (red areas) occur along southern Nepal, northern and northeastern India and northern and southeastern Bangladesh. Some of the highest totals approaching 16 inches (dark red areas) are over central Nepal at the base of the Himalayan Mountains and over the Khasi Hills near the border between province of Sylhet in Bangladesh and the state of Assam, India. TRMM is a joint mission between NASA and the Japanese space agency JAXA. Image produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Heavy monsoon rains have filled the rivers of India and Bangladesh past capacity, affecting over ten million people in the densely populated countries. In the top image, taken by the Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite on July 13, 2004, the massively swollen Brahmaputra River flows through India's Assam state and turns south into Bangladesh. Much of the flood damage is along this river. In Assam, an estimated 3,200 villages are under water, according to news reports, and one-third of Bangladesh has been affected. Officials are calling this year's floods the worst in a decade. So far, nearly 170 people have died in the floods. This false-color image pair provides a dramatic contrasting view of the flooded river on July 13, and the river during the dry season on May 8, 2004. In both images, water is dark blue, clouds are light blue, and vegetation is green. A bright white streak running across the flood image is caused by sunlight reflecting into MODIS'"eye." The high resolution images provided above are at MODIS' maximum resolution of 250 meters per pixel. Image courtesy Jesse Allen, based on data from the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Ongoing torrential rain continues to fuel floods in southern Asia. The Brahmaputra River in India and Bangladesh is flowing at dangerously high levels, and has claimed scores of villages and lives. As of July 20, the death toll stood at 93 in Bangladesh and 277 in India. Well over 30 million people have been affected by this year?s floods. For more information about the flood situation, visit Relief Web [ http://www.reliefweb.int/w/rwb.nsf/vLND/F4C73B6A9D95BC4585256EBE0063FE60?OpenDocument&StartKey=India:+Floods+-+Jun+2004&ExpandView ], sponsored by the United Nations. The Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) flying onboard NASA?s Aqua [ http://aqua.nasa.gov/ ] satellite captured this false-color image of the rising river waters on July 22, 2004. The dark blue waters aren?t the only sign of flooding: darker green areas along the river are probably saturated with water. The bright white streak along the left edge of the image was formed when MODIS captured the reflection of the sun off of water on the ground. In this image, vegetation is bright green, clouds are light blue, and water is dark blue. NASA image courtesy Jacques Descloitres, MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description A web of dark blue and black flood water covers the region surrounding the Bangladeshi capital, Dhaka, in this image, acquired by the Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) on NASA?s Terra [ http://terra.nasa.gov/ ] satellite on August 3, 2004. The Ganges River runs into the image from the upper left corner, and the Meghna River flows down from the upper right corner. The flood waters are slowing draining away, though the capital city remains partially submerged. New reports say that the floods have claimed 740 lives in Bangladesh, and the number is expected to rise as water-borne disease spreads. The floods were triggered by heavy monsoon rains in June and July. The above image is in false color to highlight the flood waters. Vegetation is bright green, water is dark blue and black, and clouds are light blue. The high-resolution image is at MODIS? maximum resolution of 250 meters per pixel, though the image is available in additional resolutions [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004216/FAS_Bangladesh.2004216.terra.721 ]. NASA image courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Though flood waters have begun to recede in Bangladesh, much of the country remains water-logged. This Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) image, taken on August 2, 2004, by the MODIS sensor on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite, shows dark blue and black flood water over much of the eastern half of the country. Light blue clouds partially obscure the false-color scene where vegetation is bright green. According to the Associated Press, 586 had died in Bangladesh as a result of the floods as of August 1, bringing the toll of this year's floods to 1,551 in India, Bangladesh, Nepal, and Pakistan. Up to 30 million are homeless. The above image shows the floods at 250 meters per pixel. The image is available in additional resolutions [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004215/FAS_Bangladesh.2004215.aqua.721 ]. NASA image courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Floods in India and Banglade …
Title Floods in India and Bangladesh
Description Overwhelmed by monsoon rains and melting snow running down from the Himalaya, the Ganges River has spread over the Indo-Gangetic plains of Northern India's Bihar state. On August 1, 2004, the clouds cleared just enough to afford a peak at the dark blue flood waters. The Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured this scene, which is shown in false color to highlight the presence of water. Clouds are light blue, vegetation is bright green, and water is dark blue and black. According to news reports, the floods stranded over 400,000 people in the final two weeks of July. Now, as the flood waters begin to recede, the concern is water-borne disease in the absence of fresh drinking water. NASA image created from data courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC.
Floods in Myanmar
Title Floods in Myanmar
Description With the onset of monsoon rains, the Ayeyarwady River of Myanmar (Burma) more than doubled in size during June. The Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured the top image on June 21, 2006, nearly one month after the lower image was taken on May 22. By June 21, the winding shape of the river is concealed by the monsoon floods. In the large image, similar flooding is visible farther north. To the left of the river, flood water drenches the ground. The region around this stretch of the river is wetland, and the image may be showing normal rainy-season conditions for the wetland. These images are shown in MODIS' shortwave and near-infrared bands to highlight the presence of water. Clear water is dark blue or black, while sediment-laden water is lighter blue. Clouds are pale blue and white, plant-covered land is green, and bare earth is tan. The large images provided above have a resolution (level of detail) of 250 meters per pixel. Daily images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006172 ] of the region are available from the MODIS Rapid Response Team in a variety of resolutions. NASA images courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC.
Floods in Myanmar
Title Floods in Myanmar
Description With the onset of monsoon rains, the Ayeyarwady River of Myanmar (Burma) more than doubled in size during June. The Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured the top image on June 21, 2006, nearly one month after the lower image was taken on May 22. By June 21, the winding shape of the river is concealed by the monsoon floods. In the large image, similar flooding is visible farther north. To the left of the river, flood water drenches the ground. The region around this stretch of the river is wetland, and the image may be showing normal rainy-season conditions for the wetland. These images are shown in MODIS' shortwave and near-infrared bands to highlight the presence of water. Clear water is dark blue or black, while sediment-laden water is lighter blue. Clouds are pale blue and white, plant-covered land is green, and bare earth is tan. The large images provided above have a resolution (level of detail) of 250 meters per pixel. Daily images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006172 ] of the region are available from the MODIS Rapid Response Team in a variety of resolutions. NASA images courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC.
Haze along the Himalaya Fron …
Title Haze along the Himalaya Front Range
Description A river of haze follows the course of the Ganges River in northern India, flowing eastward along the base of the towering, snow-capped Himalaya Mountains (upper right) before turning south over Bangladesh and then spreading out in gray streamers over the Bay of Bengal in the Indian Ocean (lower right). Although the pollution comes from human activities,?agricultural fires, home heating sources that rely on wood, kerosene, or dung, and industrial and vehicle emissions?it lingers because of topography and atmospheric circulation patterns. In the winter phase of the Indian Ocean Monsoon, winds typically blow seaward, which carries the large, thick "brown cloud" of pollution far out over the ocean. Recently, NASA scientists announced that the visible particles of soot that give the polluted air its name aren't the only component of the brown cloud that the atmosphere transports over long distances. The plume also contains ozone, which is beneficial to humans when it is located way above the Earth in the stratosphere, but harmful when it is located closer to the Earth in the troposphere. Ozone spreads even farther away from the original source than the soot particles. Convection over the ocean sucks the ozone high into the air where it enters wider-scale atmospheric circulation patterns. These patterns spread the ozone westward across the Indian Ocean, Africa, and onward to the Atlantic Ocean. Along the way, the ozone from the Asian brown cloud gets mixed together with ozone from agricultural fires in Africa, as well as with ozone from the stratosphere which occasionally gets mixed down to lower altitudes. The long-range transport of ozone from these sources explains why such high levels of tropospheric ozone are observed in the air over the South Atlantic Ocean, far from the source of the emissions. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the MODIS Rapid Response team.
Haze and Sediment in Banglad …
Title Haze and Sediment in Bangladesh and India
Description More haze hugged the Himalaya Mountains on January 21, 2007, clouding the skies over northern India, Nepal, and Bangladesh. In the south, thick sediment clogged the mouth of the Ganges. During the Northern Hemisphere winter, haze often collects at the base of the mountains, trapped there in part by weather systems. Sediment flowing from the mouth of the Ganges is a natural occurrence, but it can be exacerbated by land-use changes as an area industrializes. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Terra [ http://terra.nasa.gov ] satellite took this picture on January 21, 2007. In this image, the haze appears as a dingy, gray-beige fog over the region, pushing south into Bangladesh. Skies are clearer to the south, and this image offers a clear view of the Sundarbans [ http://en.wikipedia.org/wiki/Sundarbans ] that straddle the border between India and Bangladesh. In the east, the land surface vaguely resembles marbled paper [ http://www.gilesorr.com/Venice/marbled/ ]—the result of the same continental collision that formed the Himalayas. NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center.
Haze and Sediment in Banglad …
Title Haze and Sediment in Bangladesh and India
Description On January 27, 2007, haze sprawled from the southern edge of the Himalaya Mountains southward over the Bay of Bengal. In between, it clouded the skies over northern India and Bangladesh. In the south, thick sediment colored the Mouth of the Ganges shades of pale brown and blue-green. Such sediment is a natural occurrence, although land-use changes such as deforestation and agriculture can increase the sediment volume. The haze, mostly a mixture of urban and industrial pollution, often collects at the base of the mountains in the wintertime. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Aqua [ http://aqua.nasa.gov ] satellite captured this image on January 27, 2007. In this image, the haze appears thickest in the northwest. It thins toward the south, but haze is still clearly visible over the ocean. The haze appears to follow a distinct path toward the ocean, concentrating over the border between India and western Bangladesh. Farther west in India, and on the east side of Bangladesh, skies appear clear. Along the coastline of India and Bangladesh, the dark green Sundarbans [ http://en.wikipedia.org/wiki/Sundarbans ] mangrove forests stand out from the otherwise brown landscape. NASA image by Jeff Schmaltz, MODIS Rapid Response Team, [ http://rapidfire.sci.gsfc.nasa.gov ] Goddard Space Flight Center.
Deadly Floods Sweep Across N …
Title Deadly Floods Sweep Across Northeastern India
Description A tropical depression moved in from the Bay of Bengal during the first week of October 2004, pounding Bangladesh and Northeastern India with heavy rain for several days. Starting on October 9, flash floods ran through the foothills of the Himalaya, killing over 150, according to the most recent media reports. The majority of the deaths occurred in the Goalpara Region of the Assam state in northeastern India, shown in the above images. The twisted braids of the Brahmaputra River, the top river, were greatly swollen on October 12 when compared to the river's size on October 2. More astonishing is the flooding observed along the Jamuna River, a tributary of the Brahmaputra. The river has expanded from a thin line, barely visible on October 2 to a massive lake that is more than 125 kilometers in width in places. In both images, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]), water is dark blue and black, clouds are light blue, and vegetation is green. The large images provided above are at MODIS' maximum resolution of 250 meters per pixel. Both the October 12 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004286 ] and October 2 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004276 ] images are available in additional resolutions and formats, including a true-color view. NASA images courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Deadly Floods Sweep Across N …
Title Deadly Floods Sweep Across Northeastern India
Description A tropical depression moved in from the Bay of Bengal during the first week of October 2004, pounding Bangladesh and Northeastern India with heavy rain for several days. Starting on October 9, flash floods ran through the foothills of the Himalaya, killing over 150, according to the most recent media reports. The majority of the deaths occurred in the Goalpara Region of the Assam state in northeastern India, shown in the above images. The twisted braids of the Brahmaputra River, the top river, were greatly swollen on October 12 when compared to the river's size on October 2. More astonishing is the flooding observed along the Jamuna River, a tributary of the Brahmaputra. The river has expanded from a thin line, barely visible on October 2 to a massive lake that is more than 125 kilometers in width in places. In both images, acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]), water is dark blue and black, clouds are light blue, and vegetation is green. The large images provided above are at MODIS' maximum resolution of 250 meters per pixel. Both the October 12 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004286 ] and October 2 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004276 ] images are available in additional resolutions and formats, including a true-color view. NASA images courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Deadly Floods Sweep Across N …
Title Deadly Floods Sweep Across Northeastern India
Description On October 13, 2004, the rivers of northeastern India and Bangladesh remained swollen after a tropical depression dumped heavy rain over the region for several days the previous week. The storm is being called the worst non-monsoon storm in a decade, and the floods it triggered were deadly. To date, over 150 people have been confirmed dead as a direct result of the floods, according to media reports. This pair of false-color images, both acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Terra [ http://terra.nasa.gov/ ] satellite, shows the extent of the floods. The most deadly flooding occurred in the Goalpara district of India's Assam state, shown in the top right corner of these images. The largest loss of life occurred in floods along the Jamuna River [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=12522 ] and in the nearly Himalayan foothills. However, as the image taken on October 13 shows, other rivers were also flooded. The normally wide Brahmaputra has expanded further, and to its southeast, Bangladesh's Chalan Bil River is also swollen. In West Bengal, India, on the left side of the image, the Hugli River looks flooded. The large images provided above have a resolution of 250 meters per pixel. Both the October 13 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004287 ] and the October 2 [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2004276 ] images are available in additional resolutions and formats, including a true-color view of the scene. In the above false-color images, water is dark blue and black, clouds are light blue, and vegetation is green. NASA images courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Haze South of the Himalaya
Title Haze South of the Himalaya
Description A gray pall of haze and pollution filled the skies over much of northern India and Bangladesh on December 1, 2003. Air pollution tends to ?pool,? or collect, along the southern edge of the Himalayas, where the mountains are so tall they effectively block the southern air mass from spreading northward over southeastern Asia. This true-color image was acquired by the Moderate Resolution Imaging Spectroradiometer [ http://modis.gsfc.nasa.gov ] (MODIS) aboard NASA?s Terra [ http://terra.nasa.gov ] satellite. Image by Jesse Allen, NASA Earth Observatory, based upon data courtesy the MODIS Land Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC
Earthquake Spawns Tsunamis
Title Earthquake Spawns Tsunamis
Description The true-color image above shows an inlet of Little Andaman Island, near the village of Kwate-tu-Kwage. Little Andaman Island is part of India?s Andaman Island chain, situated in the eastern Indian Ocean roughly 965 km (600 miles) south-southeast of Bangladesh. The image shows a swath of destruction (grayish patches) just inland from the beach as buildings and houses were damaged or swept away by surging seawater. The image was acquired on January 2, 2005, by the IKONOS satellite. On December 26, 2004, a magnitude 9.0 earthquake hit off the west coast of Sumatra, [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=12640 ] Indonesia, sending shockwaves and tsunamis radiating out from the epicenter. [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=12645 ] According to news reports, as of January 2, 2005, no relief aid has been sent to the Andaman and Nicobar Islands and little is currently known about the extent of the damage and loss of life there. Although this scene is partly obscured by a thin cloud overhead, many striking details can be seen in the full-resolution copy. A dark crescent of standing water can be seen to the west (left) of the village?possibly the remnants of the tsunami. The image also reveals tsunami destruction to structures along the coast and damage fairly far inland as well. In some cases structures have been ripped off foundations, which is especially noticeable near the inlet. Image copyright Space Imaging [ http://www.spaceimaging.com/ ]
Monsoon Floods in India
Title Monsoon Floods in India
Description June normally marks the beginning of the monsoon season in India, but early rains triggered floods in northeastern India earlier than normal. According to news reports, 25,000 people were displaced in India's Assam state when the Brahmaputra River burst its banks in early June. When the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured the top image on June 3, 2006, the river was already swollen with a week's worth of monsoon rains. To the south of the river, water puddles in low-lying regions and runs in streaks down the Khasi Hills near the border with Bangladesh. Additional flooding may be occurring in Bangladesh, but the Sun's reflection masks the surface in a silvery mirror called sunglint. Clouds, light blue and white in these images, also hide some of the floods from view. The lower image shows Assam, India, and eastern Bangladesh a little over a week earlier, before the monsoon rains set in. The river is dry-season thin as it snakes through its bed, which is tan from being scoured of most or all plants during the seasonal floods. Red dots along the river show where MODIS detected several fires. The large images provided above have a resolution of 500 meters per pixel. Daily images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006154 ] of eastern India and Bangladesh are available from the MODIS Rapid Response Team in a variety of resolutions, including MODIS' maximum resolution of 250 meters per pixel. NASA image courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC.
Monsoon Floods in India
Title Monsoon Floods in India
Description June normally marks the beginning of the monsoon season in India, but early rains triggered floods in northeastern India earlier than normal. According to news reports, 25,000 people were displaced in India's Assam state when the Brahmaputra River burst its banks in early June. When the Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) on NASA's Aqua [ http://aqua.nasa.gov/ ] satellite captured the top image on June 3, 2006, the river was already swollen with a week's worth of monsoon rains. To the south of the river, water puddles in low-lying regions and runs in streaks down the Khasi Hills near the border with Bangladesh. Additional flooding may be occurring in Bangladesh, but the Sun's reflection masks the surface in a silvery mirror called sunglint. Clouds, light blue and white in these images, also hide some of the floods from view. The lower image shows Assam, India, and eastern Bangladesh a little over a week earlier, before the monsoon rains set in. The river is dry-season thin as it snakes through its bed, which is tan from being scoured of most or all plants during the seasonal floods. Red dots along the river show where MODIS detected several fires. The large images provided above have a resolution of 500 meters per pixel. Daily images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006154 ] of eastern India and Bangladesh are available from the MODIS Rapid Response Team in a variety of resolutions, including MODIS' maximum resolution of 250 meters per pixel. NASA image courtesy the MODIS Rapid Response Team [ http://rapidfire.sci.gsfc.nasa.gov ] at NASA GSFC.
Monsoon Floods in Northern I …
Title Monsoon Floods in Northern India
Description The combined impact of a tropical cyclone and monsoon rains drove the many branches of the Ganges River in the Sundarbans delta of eastern India over their banks in late September 2006. The most notably flooded river in the top Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) image, collected by NASA's Aqua [ http://aqua.nasa.gov/ ] satellite on September 26, is the Hugli River, which has spread several kilometers over its flood plain compared to conditions nine days earlier (lower image). The Hugli River [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17410 ] (also Hooghly) branches off the Ganges about 200 kilometers north of Kolkata (Calcutta) and flows south past the city through the state of West Bengal to drain into the Bay of Bengal. Though the city of Kolkata is obscured by clouds in the flood scene (it's the tan region near the bottom of the lower image), the Australian Broadcasting Corporation reported that floods in the city forced more than 2,000 people from their homes. The cloud-free region around the city reveals extensive flooding, with water forming black or dark blue streaks and pools on the bright green, vegetated land. Additional flooding is visible along the Hugli and other branches of the Ganges in the large image. These images were created using both visible and infrared light to allow water to stand out from the land. In these images, clouds are pale blue and white, water is dark blue or black, plant-covered land is green, and bare or sparsely vegetated land (like the city) is tan. Additional infrared images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006269 ] and photo-like images of India are available from the
Monsoon Floods in Northern I …
Title Monsoon Floods in Northern India
Description The combined impact of a tropical cyclone and monsoon rains drove the many branches of the Ganges River in the Sundarbans delta of eastern India over their banks in late September 2006. The most notably flooded river in the top Moderate Resolution Imaging Spectroradiometer (MODIS [ http://modis.gsfc.nasa.gov ]) image, collected by NASA's Aqua [ http://aqua.nasa.gov/ ] satellite on September 26, is the Hugli River, which has spread several kilometers over its flood plain compared to conditions nine days earlier (lower image). The Hugli River [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17410 ] (also Hooghly) branches off the Ganges about 200 kilometers north of Kolkata (Calcutta) and flows south past the city through the state of West Bengal to drain into the Bay of Bengal. Though the city of Kolkata is obscured by clouds in the flood scene (it's the tan region near the bottom of the lower image), the Australian Broadcasting Corporation reported that floods in the city forced more than 2,000 people from their homes. The cloud-free region around the city reveals extensive flooding, with water forming black or dark blue streaks and pools on the bright green, vegetated land. Additional flooding is visible along the Hugli and other branches of the Ganges in the large image. These images were created using both visible and infrared light to allow water to stand out from the land. In these images, clouds are pale blue and white, water is dark blue or black, plant-covered land is green, and bare or sparsely vegetated land (like the city) is tan. Additional infrared images [ http://rapidfire.sci.gsfc.nasa.gov/subsets/?FAS_Bangladesh/2006269 ] and photo-like images of India are available from the
Monsoon Rains Flood East Asi …
Title Monsoon Rains Flood East Asia
Description The summer rainy season brought on by the summer monsoon has arrived over eastern Asia bringing with it seasonal flooding and torrential rains. Over the past few weeks, parts of Nepal, India and Bangladesh have been devastated by floods, but areas farther north have received their share of heavy rain too. China, Korea, and Japan have all suffered casualties recently as a result of flooding brought on by torrential rains. Over the past week, at least 17 people were lost due to flooding and mudslides in Japan. The situation is even worse in China as the death tolls have climbed into the hundreds so far this year. Hardest hit are southern, central and, more recently, eastern China particularly along the Huai River, which is at its highest level in over a decade. In November of 1997, the Tropical Rainfall Measuring Mission [ http://trmm.gsfc.nasa.gov/ ] (TRMM) satellite was launched in an effort to provide better estimates of rainfall over the global Tropics. Since that time, TRMM has been providing unprecedented estimates of rainfall over the Tropics using its array of passive and active sensors. TRMM can cover vast areas of the Tropics where rainfall is poorly measured such as over oceans and land areas where radar coverage is poor or lacking. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (MPA) at the NASA Goddard Space Flight Center provides rainfall estimates over the global Tropics. MPA rainfall totals for July 12 through July 19, 2004, are shown for East Asia. A swath of 4 to 8 inch rainfall (green area) extends from central China across the Yellow Sea, South Korea, and the Sea of Japan and into central Japan. The highest totals are over eastern China in the Shandong, Henan, Anhui, and Jiangsu provinces where between 12 and 20 inches (red area) of rain fell. Localized areas of over a foot of rain appear along parts of the southern and eastern coast of South Korea and over central Japan along the east coast of Honshu. TRMM is a joint mission between NASA and the Japanese space agency JAXA. Image produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Monsoon Rains Flood East Asi …
Title Monsoon Rains Flood East Asia
Description The summer rainy season brought on by the summer monsoon has arrived over eastern Asia bringing with it seasonal flooding and torrential rains. Over the past few weeks, parts of Nepal, India and Bangladesh have been devastated by floods, but areas farther north have received their share of heavy rain too. China, Korea, and Japan have all suffered casualties recently as a result of flooding brought on by torrential rains. Over the past week, at least 17 people were lost due to flooding and mudslides in Japan. The situation is even worse in China as the death tolls have climbed into the hundreds so far this year. Hardest hit are southern, central and, more recently, eastern China particularly along the Huai River, which is at its highest level in over a decade. In November of 1997, the Tropical Rainfall Measuring Mission [ http://trmm.gsfc.nasa.gov/ ] (TRMM) satellite was launched in an effort to provide better estimates of rainfall over the global Tropics. Since that time, TRMM has been providing unprecedented estimates of rainfall over the Tropics using its array of passive and active sensors. TRMM can cover vast areas of the Tropics where rainfall is poorly measured such as over oceans and land areas where radar coverage is poor or lacking. The TRMM-based, near-real time Multi-satellite Precipitation Analysis (MPA) at the NASA Goddard Space Flight Center provides rainfall estimates over the global Tropics. MPA rainfall totals for July 12 through July 19, 2004, are shown for East Asia. A swath of 4 to 8 inch rainfall (green area) extends from central China across the Yellow Sea, South Korea, and the Sea of Japan and into central Japan. The highest totals are over eastern China in the Shandong, Henan, Anhui, and Jiangsu provinces where between 12 and 20 inches (red area) of rain fell. Localized areas of over a foot of rain appear along parts of the southern and eastern coast of South Korea and over central Japan along the east coast of Honshu. TRMM is a joint mission between NASA and the Japanese space agency JAXA. Image produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).
Fires in Eastern India
Title Fires in Eastern India
Description On March 5, 2003, the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite detected fires (marked in red) in eastern India (bottom left), northeast India (top right), and western Myanmar (bottom right). A few scattered fires were detected in Bangladesh (center). In this false-color image of this scene, dark reddish burn scars stand out against bright green vegetation. A true-color image is also available. In Bangladesh, the Ganges River flows in from the west and meets up with the Brahmaputra River flowing in from the east. The two rivers join and flow out to the Bay of Bengal through the Mouths of the Ganges. At top are the Himalaya Mountains in Nepal. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS? maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team at NASA GSFC
Fires in Eastern India
Title Fires in Eastern India
Description Smoke hangs over eastern India and the Indian Ocean in this true-color Moderate Resolution Imaging Spectroradiometer (MODIS) from the Aqua satellite on March 8, 2003. Dozens of fires were detected by MODIS and are marked with red dots. At upper right, sediments in the waters of the Mouths of the Ganges River color the Bay of Bengal light tan. At far upper right is Bangladesh. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS' maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team at NASA GSFC
Fires in Eastern India
Title Fires in Eastern India
Description On March 5, 2003, the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Aqua satellite detected fires (marked in red) in eastern India (bottom left), northeast India (top right), and western Myanmar (bottom right). A few scattered fires were detected in Bangladesh (center). In the false-color image of this scene, dark reddish burn scars stand out against bright green vegetation. In Bangladesh, the Ganges River flows in from the west and meets up with the Brahmaputra River flowing in from the east. The two rivers join and flow out to the Bay of Bengal through the Mouths of the Ganges. At top are the Himalaya Mountains in Nepal. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS? maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team at NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description In early December 2002, a thick haze sat over the lowlands of northern India and Bangladesh. The above true-color image of the smog was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument, flying aboard NASA?s Terra spacecraft. Notice the sharp contrast between the polluted air in Bangladesh and the clean air north of the Himalayan Mountains. The mountains keep the low-lying smog from heading north. The smog in the image is largely man made and is likely due to people cooking over open fires, driving cars with poor emissions control systems, and burning fallow fields and garbage. Image courtesy Jeff Schmaltz, MODIS Rapid Response Team, NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description In early December 2002, a thick haze sat over the lowlands of northern India and Bangladesh. The above true-color image of the smog was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument, flying aboard NASA?s Terra spacecraft. Notice the sharp contrast between the polluted air in Bangladesh and the clean air north of the Himalayan Mountains. The mountains keep the low-lying smog from heading north. The smog in the image is largely man made and is likely due to people cooking over open fires, driving cars with poor emissions control systems, and burning fallow fields and garbage. Image courtesy Jeff Schmaltz, MODIS Rapid Response Team, NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description The skies over northern India and Bangladesh have been filled with a thick, gray layer of smoke and haze for most of December 2002. In this particular scene, acquired on Dec. 30, there appears to be a low-lying cloud (or perhaps ground-level fog, brighter white pixels) blanketing much of the region south of the Himalayas. The particulate pollution over the region may have served as ?seeds? (or cloud condensation nucleii) to help form this cloud. The smaller white patches to the north are the snow-covered peaks of the Himalayan Mountains. Image courtesy Jacques Descloitres, MODIS Rapid Response Team, NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description The skies over northern India have been filled with a thick, gray layer of smoke and haze for most of December 2002. In this particular scene, acquired on Dec. 23, there appears to be a low-lying cloud (or perhaps ground-level fog, brighter white pixels) blanketing much of the region south of the Himalayas. The smaller white patches to the north are the snow-covered peaks of the Himalayan Mountains. Image courtesy Jeff Schmaltz, MODIS Rapid Response Team,NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description The skies over northern India and Bangladesh have been filled with a thick, gray layer of smoke and haze (gray pixels) since late November 2002. In this particular scene, acquired on Jan. 10, 2003, there appears to be a low-lying cloud (or perhaps ground-level fog, brighter white pixels) blanketing much of the region south of the Himalayas. The particulate pollution over the region may have served as ?seeds? (or cloud condensation nucleii) to help form this cloud. These layers of haze and cloud may be contributing to the unusually cold conditions currently being experienced in Bangladesh. The smaller white patches to the north are the snow-covered peaks of the Himalayan Mountains. This true-color image was acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA?s Terra satellite. The high-resolution image available here is 500 meters per pixel. Visit the MODIS Rapid Response Team, for a copy of this scene at MODIS? full resolution of 250 meters per pixel. Image courtesy Jacques Descloitres, MODIS Rapid Response Team, NASA GSFC
Pollution over Bangladesh an …
Title Pollution over Bangladesh and India
Description There was considerable haze (gray pixels) over northeastern India and Bangladesh (lower right) on February 14, 2003. The Himalayan Mountains to the north are mostly covered by snow. The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at MODIS' maximum spatial resolution of 250 meters. Image courtesy Jacques Descloitres, MODIS Rapid Response Team, NASA GSFC
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