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Shrimp Farming in Ecuador
Title Shrimp Farming in Ecuador
Description Like fields of blue, rectangular shrimp farms line the coast of Ecuador south of the city of Guayaquil in these images. Worldwide, wetlands and coastal mangrove forests have been converted to shrimp ponds in order to farm these crustaceans for food and sale. In Ecuador, the industry started in the late 1960s and rapidly grew. By 1999, 175,255 hectares of land had been converted to shrimp farms. That year, Ecuador was the fourth largest shrimp producer in the world, and the largest in the Western Hemisphere, according to the United Nations Food and Agriculture Organization. In Ecuador, as elsewhere, shrimp farms are typically built along the shore where salt water is easily accessible. Though Ecuador's mangrove forests declined as shrimp farming and other coastal development occurred, salt flats or salt marshes on slightly higher ground have also been converted, as illustrated in these images. The lower image was taken by the Landsat satellite on April 29, 1991. Shrimp farms cover much of the land shown in the image, but a broad swath of tan-gray salt flat still lines the inlet. By March 6, 2006, when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER [ http://asterweb.jpl.nasa.gov/ ]) satellite took the top image, the salt flat had almost entirely been converted to shrimp farms. A small canal connects the network of shrimp tanks to the inlet, providing a fresh source of water. The large images provide a broader perspective on the extent of the development. In the 1991 Landsat image, 143 square kilometers of land had been converted to shrimp ponds. In the 2006 ASTER image, shrimp farms cover 243 square kilometers. Roughly 83 percent of the region's wetlands and salt flats were eliminated by shrimp farms. NASA images created by Jesse Allen, Earth Observatory. ASTER data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. [ http://asterweb.jpl.nasa.gov/ ] Landsat data obtained from the University of Maryland's Global Land Cover Facility. [ http://www.landcover.org/ ]
Shrimp Farming in Ecuador
Title Shrimp Farming in Ecuador
Description Like fields of blue, rectangular shrimp farms line the coast of Ecuador south of the city of Guayaquil in these images. Worldwide, wetlands and coastal mangrove forests have been converted to shrimp ponds in order to farm these crustaceans for food and sale. In Ecuador, the industry started in the late 1960s and rapidly grew. By 1999, 175,255 hectares of land had been converted to shrimp farms. That year, Ecuador was the fourth largest shrimp producer in the world, and the largest in the Western Hemisphere, according to the United Nations Food and Agriculture Organization. In Ecuador, as elsewhere, shrimp farms are typically built along the shore where salt water is easily accessible. Though Ecuador's mangrove forests declined as shrimp farming and other coastal development occurred, salt flats or salt marshes on slightly higher ground have also been converted, as illustrated in these images. The lower image was taken by the Landsat satellite on April 29, 1991. Shrimp farms cover much of the land shown in the image, but a broad swath of tan-gray salt flat still lines the inlet. By March 6, 2006, when the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER [ http://asterweb.jpl.nasa.gov/ ]) satellite took the top image, the salt flat had almost entirely been converted to shrimp farms. A small canal connects the network of shrimp tanks to the inlet, providing a fresh source of water. The large images provide a broader perspective on the extent of the development. In the 1991 Landsat image, 143 square kilometers of land had been converted to shrimp ponds. In the 2006 ASTER image, shrimp farms cover 243 square kilometers. Roughly 83 percent of the region's wetlands and salt flats were eliminated by shrimp farms. NASA images created by Jesse Allen, Earth Observatory. ASTER data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team. [ http://asterweb.jpl.nasa.gov/ ] Landsat data obtained from the University of Maryland's Global Land Cover Facility. [ http://www.landcover.org/ ]
Flooding in Northern Peru
Title Flooding in Northern Peru
Description Northern Peru's rainy season was coming to an end 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 of the region surrounding the Bay of Sechura. The barren land, pink-tinted tan in January, the middle of the rainy season, was covered with patches of blue water on April 30, 2006. The rainfall also brought a faint brush of green to the desert, with brighter patches of green in irrigated areas along the top and bottom of the image. Clouds are pale blue and white. Though Peru escaped major flood-related damage, both Ecuador and Colombia, immediately north of the region shown here, suffered as floods damaged crops, isolated houses, and triggered landslides, reported the Dartmouth Flood Observatory [ http://www.dartmouth.edu/%7efloods/Archives/2006sum.htm ]. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the Goddard Earth Sciences DAAC. [ http://daac.gsfc.nasa.gov/ ]
Flooding in Northern Peru
Title Flooding in Northern Peru
Description Northern Peru's rainy season was coming to an end 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 of the region surrounding the Bay of Sechura. The barren land, pink-tinted tan in January, the middle of the rainy season, was covered with patches of blue water on April 30, 2006. The rainfall also brought a faint brush of green to the desert, with brighter patches of green in irrigated areas along the top and bottom of the image. Clouds are pale blue and white. Though Peru escaped major flood-related damage, both Ecuador and Colombia, immediately north of the region shown here, suffered as floods damaged crops, isolated houses, and triggered landslides, reported the Dartmouth Flood Observatory [ http://www.dartmouth.edu/%7efloods/Archives/2006sum.htm ]. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the Goddard Earth Sciences DAAC. [ http://daac.gsfc.nasa.gov/ ]
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description Tungurahua Volcano in Ecuador emitted a volcanic plume of ash and/or steam on June 24, 2006. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying onboard NASA's Terra [ http://terra.nasa.gov/ ] satellite took this picture the same day. In this image, the volcanic plume appears in a shade of pale gray, slightly darker than the nearby clouds that are bright white. The plume blows westward toward the neighboring dormant volcano Chimborazo [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17121 ], which sports a snowcap at its summit. Nearby settlements include Rio Bamba and Ambato. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the Goddard Earth Sciences DAAC. [ http://daac.gsfc.nasa.gov/ ]
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description When the Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying onboard NASA's Terra [ http://terra.nasa.gov/ ] satellite took this picture on July 17, 2006, Tungurahua Volcano was ejecting gas and ash for the fourth consecutive day. This burst of activity proved to be the volcano's most powerful since 1999, according to Reuters. Besides volcanic ash and gas, the volcano produced molten rock that set fire to local vegetation. By July 18, the volcano's activity had blocked roads, ruined bridges, covered nearby villages in ash, killed livestock, and prompted evacuations. Despite fears for their own safety, however, some villagers returned home to salvage some of their property. The BBC provided photos [ http://news.bbc.co.uk/2/hi/in_pictures/5184258.stm ] of the event on July 16, 2006. These images show Tungurahua and its neighbor, Chimborazo [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17121 ]. The top image shows part of the bottom image in greater detail. A gray-brown plume of volcanic ash and/or steam emanates from Tungurahua, mingling with nearby white clouds. The volcanic plume appears to spread out in all directions near the summit then blow generally westward toward Chimborazo. NASA image created by Jesse Allen, Earth Observatory, using data obtained from the Goddard Earth Sciences DAAC. [ http://daac.gsfc.nasa.gov/ ]
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description The Tungurahua Volcano in Ecuador had been acting up for more than a month when it erupted ferociously in mid-August 2006. According to the Associated Press, the volcano destroyed 10 villages, and buried the homes of roughly 5,000 people—as well as the pasture for their livestock—under tons of ash. Several days after the eruption, authorities began rebuilding homes for displaced locals who needed food for themselves and their animals, along with shelter from the elements. Besides inundating the locals, Tungurahua Volcano spewed volcanic ash into the atmosphere. The Ozone Monitoring Instrument (OMI) [ http://aura.gsfc.nasa.gov/instruments/omi/index.html ] flying onboard the Aura [ http://aura.gsfc.nasa.gov/index.html ] satellite measured the aerosols in the region on August 17, 2006, the day after the volcano's fierce eruption. This image shows an ash cloud superimposed on a map of the region. A plus sign marks the volcano summit, and the volcanic ash appears in two distinct plumes: a larger one west of the summit, and a smaller one to the east. This aerosol distribution vaguely matches the volcanic material shown in the MODIS image [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13791 ] from the same day. In this image, dark reddish-brown indicates the thickest ash, while tan indicates relatively thin ash. Images courtesy Colin Seftor, Aura Science Team.
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description Dozens of people were missing, hundreds of families were evacuated, and three villages were gone in the wake of an eruption of the Tungurahua Volcano in mid-August 2006. A month earlier, the volcano affected [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13716 ] nearby residents and agriculture, but this eruption was worse. According to news reports, a serious eruption began on August 16, 2006, sending a column of volcanic ash 8 kilometers (5 miles) into the sky and raining lava and hot rocks on the surrounding area. Nothing remained of the villages of Chilibu, Choglontuz, and Palitagua, and the flow of lava and molten rock blocked the Patate, Puela, and Chambo Rivers. As of August 18, at least five people had died, and more casualties were expected. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying onboard NASA's Terra [ http://terra.nasa.gov/ ] satellite took a picture of the region on August 17, 2006. It appears at top, and a Blue Marble [ http://earthobservatory.nasa.gov/Newsroom/BlueMarble/ ] image of the area from August 2004 appears at bottom, for comparison. The Blue Marble image is a composite of images collected over a month. In cloudy regions, monthly composites are necessary to compile cloud-free images. Clouds filled the sky a day after the Tungurahua eruption, but damage was still apparent. The dark brown smudges likely result from volcanic ash from the volcano. One smudge, over 100 kilometers in length, appears in the west, mixed with clouds. A less discernible smudge appears in the east, where relatively clearer skies allow some of the dark land surface to show through. One of Ecuador's most active volcanoes, Tungurahua [ http://www.volcano.si.edu/world/volcano.cfm?vnum=1502-08= ] has a long history of building up edifices and later collapsing them with spectacular eruptions. Although the slopes of a volcano can be a dangerous place to live, many people take the risk [ http://earthobservatory.nasa.gov/Study/NatHazards/ ] because of the rich soils and the fairly mild temperatures that come with high altitude. This tradeoff placed thousands in harm's way when Tungurahua erupted in the summer of 2006. Marked in the bottom image, Tungurahua's neighbor, Chimborazo, [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17121 ] is a dormant volcano that beckons many modern mountaineers. Also marked is Ecuador's capital city of Quito. NASA images created by Jesse Allen and Reto Stöckli, Earth Observatory. August 17, 2006 imagery created from data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team. Blue Marble: Next Generation data provided courtesy of Earth Observatory. [ http://earthobservatory.nasa.gov/Newsroom/BlueMarble/ ]
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description Dozens of people were missing, hundreds of families were evacuated, and three villages were gone in the wake of an eruption of the Tungurahua Volcano in mid-August 2006. A month earlier, the volcano affected [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13716 ] nearby residents and agriculture, but this eruption was worse. According to news reports, a serious eruption began on August 16, 2006, sending a column of volcanic ash 8 kilometers (5 miles) into the sky and raining lava and hot rocks on the surrounding area. Nothing remained of the villages of Chilibu, Choglontuz, and Palitagua, and the flow of lava and molten rock blocked the Patate, Puela, and Chambo Rivers. As of August 18, at least five people had died, and more casualties were expected. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov/ ] flying onboard NASA's Terra [ http://terra.nasa.gov/ ] satellite took a picture of the region on August 17, 2006. It appears at top, and a Blue Marble [ http://earthobservatory.nasa.gov/Newsroom/BlueMarble/ ] image of the area from August 2004 appears at bottom, for comparison. The Blue Marble image is a composite of images collected over a month. In cloudy regions, monthly composites are necessary to compile cloud-free images. Clouds filled the sky a day after the Tungurahua eruption, but damage was still apparent. The dark brown smudges likely result from volcanic ash from the volcano. One smudge, over 100 kilometers in length, appears in the west, mixed with clouds. A less discernible smudge appears in the east, where relatively clearer skies allow some of the dark land surface to show through. One of Ecuador's most active volcanoes, Tungurahua [ http://www.volcano.si.edu/world/volcano.cfm?vnum=1502-08= ] has a long history of building up edifices and later collapsing them with spectacular eruptions. Although the slopes of a volcano can be a dangerous place to live, many people take the risk [ http://earthobservatory.nasa.gov/Study/NatHazards/ ] because of the rich soils and the fairly mild temperatures that come with high altitude. This tradeoff placed thousands in harm's way when Tungurahua erupted in the summer of 2006. Marked in the bottom image, Tungurahua's neighbor, Chimborazo, [ http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=17121 ] is a dormant volcano that beckons many modern mountaineers. Also marked is Ecuador's capital city of Quito. NASA images created by Jesse Allen and Reto Stöckli, Earth Observatory. August 17, 2006 imagery created from data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team. Blue Marble: Next Generation data provided courtesy of Earth Observatory. [ http://earthobservatory.nasa.gov/Newsroom/BlueMarble/ ]
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description The Tungurahua Volcano in Ecuador emitted a plume of volcanic ash in late October 2006. The Moderate Resolution Imaging Spectroradiometer (MODIS) [ http://modis.gsfc.nasa.gov ] on NASA's Terra [ http://terra.nasa.gov/ ] satellite captured this image on October 25, 2006. Several days earlier, an eruption of lava and ash forced the evacuation of some 300 local villagers, according to news reports. In this image, a plume of volcanic ash blows westward from the volcano's summit, fanning out as it goes. The plume is fairly dark, suggesting that its contents are fairly high in ash, as opposed to a white plume, which would have more water. One of Ecuador's most active volcanoes, Tungurahua [ http://www.volcano.si.edu/world/volcano.cfm?vnum=1502-08= ] is a stratovolcano composed of alternating layers of hardened lava, ash, and rock. It underwent a major eruption from 1916 to 1918. Another major eruption in 1995 forced the temporary evacuation of a nearby city. An eruption in the summer of 2006 caused widespread crop damage, forced evacuations, and claimed several lives. A 250-meter-resolution KMZ file [ http://earthobservatory.nasa.gov/NaturalHazards/Archive/Oct2006/tungurahua_tmo_2006298.kmz ] of Tungurahua is available for use with Google Earth. [ http://earth.google.com/download-earth.html ] NASA image created by Jesse Allen, Earth Observatory, using data provided courtesy of the MODIS Rapid Response [ http://rapidfire.sci.gsfc.nasa.gov/ ] team.
Tungurahua Volcano in Ecuado …
Title Tungurahua Volcano in Ecuador
Description The Tungurahua Volcano in Ecuador underwent a severe eruption in August 2006, [ http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=13791 ] followed by intermittent eruptive activity over the next couple months. On October 16, 2006, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) [ http://asterweb.jpl.nasa.gov ] on NASA's Terra [ http://terra.nasa.gov ] satellite captured this image of the volcano as it released a plume of volcanic ash. This false-color image was created by combining shortwave infrared, near-infrared, and green wavelengths of light observed by ASTER. The image clearly shows not only current volcanic activity, but also the results of earlier eruptions. Deep purple rivulets of rock carve through the bright green vegetation. The rock results from previous lava flows that later solidified. Similar in color to the hardened lava are geometric patches of bare ground on the volcano's slopes, some of the numerous settlements in the area. The Chambo River makes a bright blue ribbon along the western edge of the volcano. Pyroclastic flows of rocks, ash, and other volcanic materials temporarily dammed the Chambo River in August 2006, and the purple remains of earlier eruptions cross this river in the west and the north. At the volcano's summit is a glowing red dot, indicating an area of intense heat. The ash cloud in this image appears bright purple, in contrast with the white clouds to the northwest. Image courtesy of Nick Smith and Matt Patrick, Michigan Tech University, and Patricia Mothes, Instituto Geofísico, Escuela Politécnica Nacional.
Eruption of Tungurahua: Imag …
nasa, nasaimageofthedaygalle …
Dozens of people were missin …
tungurahua_tmo_2006229
mediatype IMAGE
mediatype image
date 2006-08-17
creator NASA -- NASA images created by Jesse Allen and Reto Stöckli, Earth Observatory. August 17, 2006 imagery created from data provided courtesy of the rapidfire.sci.gsfc.nasa.gov/ MODIS Rapid Response team. Blue Marble: Next Generation data provided courtesy of earthobservatory.nasa.gov/Newsroom/BlueMarble/ Earth Observatory.
identifier tungurahua_tmo_2006229
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
The Tungurahua Volcano in Ec …
ge_16901
mediatype IMAGE
mediatype image
date 2006-10-16
creator NASA -- NASA Image Of The Day
identifier ge_16901
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
The Tungurahua Volcano in Ec …
ge_16901
mediatype IMAGE
mediatype image
date 2006-10-16
creator NASA -- NASA Image Of The Day
identifier ge_16901
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
Tungurahua Volcano in Ecuado …
tungurahua_tmo_2006175
mediatype IMAGE
mediatype image
date 2006-06-24
creator NASA -- NASA Image Of The Day
identifier tungurahua_tmo_2006175
Another Kelvin Wave Strenght …
nasa, nasaimageofthedaygalle …
In the Pacific Ocean around …
ssh_jas_2006324
mediatype IMAGE
mediatype image
date 2006-11-20
creator NASA -- NASA/JPL Ocean Surface Topography Team.
identifier ssh_jas_2006324
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
The Tungurahua Volcano in Ec …
tungurahua_omi_2006229
mediatype IMAGE
mediatype image
date 2006-08-17
creator NASA -- NASA Image Of The Day
identifier tungurahua_omi_2006229
Historic Tropical Cyclone Tr …
nasa, nasaimageofthedaygalle …
Like streamers of splattered …
tropical_cyclone_map
mediatype IMAGE
mediatype image
date 2006
creator NASA -- www.globalwarmingart.com/wiki/Image:Tropical_Storm_Map_png Image by Robert A. Rohde, www.globalwarmingart.com/wiki/ Global Warming Art.
identifier tropical_cyclone_map
Shrimp Farming in Ecuador: I …
nasa, nasaimageofthedaygalle …
Like fields of blue, rectang …
ecuador_ast_2006065
mediatype IMAGE
mediatype image
date 2006-03-06
creator NASA -- NASA images created by Jesse Allen, Earth Observatory. ASTER data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team. Landsat data obtained from the University of Maryland's www.landcover.org/ Global Land Cover Facility.
identifier ecuador_ast_2006065
Flooding in Northern Peru: N …
nasa, nasanaturalhazards
* eoimages.gsfc.nasa.gov/ima …
peru_amo_2006120
mediatype IMAGE
mediatype image
date 2006-04-30
creator NASA -- NASA Image Of The Day
identifier peru_amo_2006120
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
The Tungurahua Volcano in Ec …
tungurahua_tmo_2006298
mediatype IMAGE
mediatype image
date 2006-10-25
creator NASA -- NASA Image Of The Day
identifier tungurahua_tmo_2006298
Tungurahua Volcano in Ecuado …
nasa, nasanaturalhazards
When the Moderate Resolution …
tungurahua_tmo_2006198
mediatype IMAGE
mediatype image
date 2006-07-17
creator NASA -- NASA Image Of The Day
identifier tungurahua_tmo_2006198
Changes to the Saemangeum Es …
nasa, nasaimageofthedaygalle …
/saemref.asp Saemangeum and …
ge_07688
mediatype IMAGE
mediatype image
date 2006-10-07
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
identifier ge_07688
Changes to the Saemangeum Es …
nasa, nasaimageofthedaygalle …
/saemref.asp Saemangeum and …
ge_07688
mediatype IMAGE
mediatype image
date 2006-10-07
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
identifier ge_07688
Changes to the Saemangeum Es …
nasa, nasaimageofthedaygalle …
/saemref.asp Saemangeum and …
ge_07688
mediatype IMAGE
mediatype image
date 2006-10-07
creator NASA -- NASA image created by Jesse Allen, using data provided courtesy of the NASA/GSFC/MITI/ERSDAC/JAROS, and U.S./Japan asterweb.jpl.nasa.gov/ ASTER Science Team.
identifier ge_07688
Eruption of Tungurahua: Imag …
nasa, nasaimageofthedaygalle …
The Tungurahua Volcano in Ec …
tungurahua_ast_2006289
mediatype IMAGE
mediatype image
date 2006-10-16
creator NASA -- Image courtesy of Nick Smith and Matt Patrick, Michigan Tech University, and Patricia Mothes, Instituto Geofisico, Escuela Politecnica Nacional.
identifier tungurahua_ast_2006289
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