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Canada’s Maritime Provinces
On the Northern Hemisphere’s first day of spring, 2001, Canada’s Maritime Provinces remain covered in snow. This true-color image from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) was taken on March 20, 2001. Near the top of the image the white…
Hardangerfjord, Norway
The Norwegian Fjords are steep, ice-carved valleys that stretch from the landout into the sea. Fjords are created not solely by glacier erosion, butalso by the high-pressure melt water that flows beneath the ice. Fjordvalleys can be carved hundreds to…
Biomass Burning
Biomass burning is the burning of living and dead vegetation, including both human-initiated burning for land clearing, and burning induced by lightning and other natural sources. Researchers with the Biomass Burning Project at NASA Langley Research Center are seeking to…
A Multi-spectral Look at El Reno, Oklahoma
On September 4, 2000, the Advanced Spaceborne Thermal Emission andReflection Radiometer (ASTER) acquired these multi-spectral data overthe U.S. Department of Agriculture’s Grazing Lands Research Laboratorynear El Reno, Oklahoma. This series of false-color composite imagesdemonstrates some of the many remote-sensing measurements…
Estevan Coalfield and Power Plants, Saskatchewan
Snow and ice serve to accent human activities in this photograph taken by the Space Shuttle mission STS-98 crewmembers on February 17, 2001. The Souris River stretches across the photograph from left to right, with the upstream Rafferty Dam Reservoir…
NASA Satellite Tracks Hazardous Smoke and Smog Partnership
New research sponsored by NASA may soon help scientists do a better jobof tracking pollution plumes around the world and help provide peoplemore advance warning of unhealthy air. Researchers have discovered that smoke and smog move in different waysthrough the…
Mississippi River Sediment Plume
The Mississippi River carries roughly 550 million metric tonnes (500 million tons) of sediment into the Gulf of Mexico each year. This true-color image, acquired from the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite via direct broadcast on…
Significant Event Report for Week Ending 3/16/2001
Cassini Significant Event Report For Week Ending 03/16/01 The most recent spacecraft telemetry was acquired from the Goldstone tracking station on Wednesday, March 13. The Cassini spacecraft is in an excellent state of health and is operating normally. The speed…
Swirls of Lace
These Multi-angle Imaging Spectroradiometer (MISR) nadir-camera images from April 23, 2000 and May 9, 2000 show cloud swirls, like delicatelace, forming patterns known as von Karman vortex streets. The turbulentatmospheric eddies form in the wake of an obstacle, in this…
Fringing Reef, Mayotte
The territory of Mayotte encompasses one of the largest coral lagoons in the world, more than 1000 square kilometers in size. Situated in the Mozambique Channel between Madagascar and the African mainland, the territory’s islands are surrounded by a wide…
Africa’s Disappearing Lake Chad
Lake Chad, once one of the African continent’s largest bodies of freshwater, has dramatically decreased in size due to climate change andhuman demand for water. Once a great lake close in surface area to NorthAmerica’s Lake Erie, Lake Chad is…
Mapping the Decline of Coral Reefs
Coral reefs represent some of the densest and most varied ecosystems on Earth. Over the past 50 years the health of these reefs have been declining. Using high-resolution satellite imagery, scientists are locating the reefs that are in the most…
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