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 ...

Terra collects data about the Earth’s bio-geochemical and energy systems using five sensors that observe the atmosphere, land surface, oceans, snow and ice, and energy budget. Each sensor has unique ...

Climate is the sum of weather over time, the average temperatures and rainfall of a place. Earth’s climate—how hot our planet is on average—is set by the Sun. Anything that changes the amount of solar ...

Dr. Norman Loeb leads a large team dedicated to ensuring the success of CERES, from beginning to end. Loeb says working with and learning from this outstanding group of scientists and engineers has ...

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 ...

Dr. Nyssa Rayne is an Outreach Coordinator on contract at NASA Goddard Space Flight Center through Global Science and Technology. She manages the Terra Mission website, providing the public with ...

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 ...

Fundamentals of Remote Sensing – An interactive online tutorial on remote sensing technology and its applications from the Canada Centre for Mapping and Earth Observation, Natural Resource Canada.

No matter where you live-along the coast, in the heartland, or somewhere in between-your life is affected by water quality. Water quality issues raise many questions that are important to us all at ...

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

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 ...

Contents of this section contain information useful to data users when called on to create presentations. Information about data sets, supporting documents, presentations, and resources with rich ...