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 ...

The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA’s Terra satellite captured this image of farmland near LaCrosse, Washington, on July 24, 2008. The false-color image ...

For many residents of North America, the winter of 2013-14 has felt like one of the coldest in many years. Waves of Arctic air brought extended periods of cold weather and above-average snowfall to ...

2013 was a dry year for California, but it has nothing on 2014 so far. January is on track to be California’s driest on record, and since the state receives half of its precipitation between December ...

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 ...

The second annual Tournament: Earth has come to an end, and the winner is a familiar face. In 2013, a submarine volcano off of the Canary Islands took the first championship. This year, the entire ...

The Science Team Leader for ASTER, Dr. Yasushi Yamaguchi, is a professor at the Graduate School of Environmental Studies, Nagoya University, Japan. He graduated Tohoku University, Japan, and obtained ...

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 ...

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 ...

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

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 ...

Ocean clouds meet the coastal desert in dramatic fashion on the coast of Peru, outlining the inland topography with precision. This image, acquired by the Moderate Resolution Imaging Spectroradiometer ...