NASA

Earth Observation With Satellite

How successfully do rain gauges catch rainfall patterns? Do the satellites record the same patterns of data as the ground-based gauges? How many gauges are required in order to observe regional ...
NASA

Rim Fire Smoke and Burn Scar

The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this false-color image of the Rim fire burning in and near Yosemite National Park on ...
NASA

Cloud Streets over the Atlantic and Pacific Oceans

In the midst of a cold snap that sent temperatures 20-40°F (11-22°C) below normal across much of the United States, the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite ...
NASA

Remote Sensing of Earth’s Environment from Terra

David Herring, Science, Systems, and Applications, Inc.
NASA

Earth Observation

Nutrients such as nitrogen and phosphorous are not directly measurable with satellite observations. However, satellites can measure chlorophyll concentration, which can act as somewhat of a proxy for ...
NASA

Clear Skies Over the Iberian Peninsula

Rarely do weather patterns and satellite overpass schedules align to provide cloud-free views of Western Europe in the spring. However, a high-pressure pattern kept skies spectacularly clear over the ...
NASA

Early Blizzard a Disaster for Cattle

Between October 3-5, 2013, an unusually early blizzard smothered northeastern Wyoming and western South Dakota with wet, heavy snow-not to mention rain, hail, thunderstorms, and even tornadoes. In ...
NASA

What Goes Around Comes Around

The map above shows land surface temperature anomalies in North America for January 1-7, 2014. Based on data from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite, ...
NASA

Smoke from Canada Moves South

A combination of lightning and dry forests fueled numerous wildfires in Canada’s Northwest Territories in July 2014. The fires, burning in Canada’s boreal zone, are producing dense smoke. As of July 8 ...
NASA

Dr. Helen Worden

In June of 2016, Dr. Helen Worden became the U.S. Principal Investigator for MOPITT. She is interested in multi-decadal trends of carbon monoxide that indicate changing emissions of pollution with ...
NASA

Terra at Ten Presentations

Home for the Terra Satellite Earth Observing System ...
NASA

Observing Your Air Quality

There are many ways to gauge air quality. The most common measure is visibility, since most of the constituents of air pollution form visible haze. You can use your own observations and a digital ...