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Updated: 15 min 43 sec ago

How much water flows into agricultural irrigation? New study provides 18-year water use record

Thu, 10/19/2017 - 10:00

Irrigation for agriculture is the largest use of fresh water around the globe, but precise records and maps of when and where water is applied by farmers are difficult to locate. Now a team of researchers has discovered how to track water used in agriculture.

In a paper published in the journal Geophysical Research Letters, the researchers detail their use of satellite images to produce annual maps of irrigation. The findings, the scientists said, will help farmers, water ...
More at https://www.nsf.gov/news/news_summ.jsp?cntn_id=243386&WT.mc_id=USNSF_51&WT.mc_ev=click

This is an NSF News item.

A fresh look at fresh water: Researchers create a 50,000-lake database

Thu, 10/19/2017 - 10:00

Countless numbers of vacationers spent this summer enjoying lakes for swimming, fishing and boating. But are they loving these lakes to death?

The water quality of the nation's lakes is threatened not only by the things people do in and around them, but, say scientists, by less obvious factors such as agriculture and changes in climate. Because lakes are as distinct as one snowflake from another, they may respond differently to these challenges.

To better understand the ...
More at https://www.nsf.gov/news/news_summ.jsp?cntn_id=243391&WT.mc_id=USNSF_51&WT.mc_ev=click

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Community College Innovation Challenge

Tue, 10/17/2017 - 17:28

Many real world problems can be solved with STEM-based solutions. NSF invites teams of community college students to identify key problems and propose innovative solutions in this national contest.
More at https://www.nsf.gov/news/special_reports/communitycollege/?WT.mc_id=USNSF_51

This is an NSF News item.

LIGO: Einstein Was Right

Mon, 10/16/2017 - 10:43

A century ago, Albert Einstein predicted gravitational waves -- ripples in the fabric of space-time that result from the universe's most violent phenomena. A hundred years later, NSF-funded researchers using the Laser Interferometer Gravitational-wave Observatory (LIGO) have detected gravitational waves.
More at https://www.nsf.gov/news/special_reports/ligoevent/?WT.mc_id=USNSF_51

This is an NSF News item.