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

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 10 Presentations

Presentations Terra at 10, First of the EOS Missions (ppt) Marc Imhoff ASTER (ppt) Michael Abrams Terra at 10: Ceres Results (ppt) Norman Loeb What 10 Years of MOPITT Data Have Taught Us About ...
NASA

Satellite Observations

To improve air quality, it is important to know what contributes to polluting the air. Haze comes from a variety of sources. Your skies may be hazy from local traffic, or industry such as for example ...
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

Remote Sensing of Earth’s Environment from Terra

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

Backyard Observation

Testing for nitrogen in your local watershed can help identify potential “œhot spots” in your community that may be contributing to nutrient loading downstream. With a simple, inexpensive field test ...
NASA

Haze in the Sichuan Basin

A layer of haze filled China’s Sichuan Basin on January 23, 2014, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired this natural-color image. The haze ...
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

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

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

Ice on the Caspian

The Caspian Sea isn’t really a sea but in fact a giant lake that spans roughly 1,000 kilometers (600 miles) from north to south. In the winter, ice often forms over the lake’s northernmost reaches, ...