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Latest Evapotranspiration Stories

Sierra Nevada snowpack
2014-09-03 02:00:01

Laura Rico, University of California - Irvine The cause? Increased high-elevation plant growth fueled by climate warming Freshwater runoff from the Sierra Nevada may decrease by as much as one-quarter by 2100 due to climate warming on the high slopes, according to scientists at UC Irvine and UC Merced. Accelerated plant growth at higher elevations caused by increasing temperatures would trigger more water absorption and evaporation, accounting for the projected runoff declines, the...

Satellite Data Brought To African Agriculture
2014-04-30 03:47:59

Kate Ramsayer, NASA From hundreds of miles in orbit, NASA satellites can measure how much rain falls in Niger or detect plant health in Mali. But on the ground, many African farmers and food distributors don't have good information about the growing conditions a few dozen miles down the road. A new program is bringing together scientists in two branches of NASA’s Goddard Space Flight Center in Greenbelt, Md., as well as an African non-profit organization in order to get relevant...

Impact Of El Niño On Continental Evaporation
2014-01-22 12:05:08

ESA As global temperatures gradually increase, more water is expected to evaporate into the atmosphere. But using satellite data, scientists have discovered that El Niño-induced droughts have caused global declines in evapotranspiration despite rising temperatures. Terrestrial evaporation, or evapotranspiration, is the transfer of water from soil and vegetation into the atmosphere. It’s a critical component of the global water cycle and, in recent years, it has gained increased...

2014-01-22 11:37:41

The recent Arctic blast that gripped much of the nation will likely contribute to a healthy rise in Great Lakes water levels in 2014, new research shows. But the processes responsible for that welcome outcome are not as simple and straightforward as you might think. Yes, extreme winter cold increases ice cover on the Great Lakes, which in turn reduces evaporation by preventing water vapor from escaping into the air. But this simplistic view of winter ice as a mere "cap" on Great Lakes...

Measuring Earth’s Temperature
2014-01-14 08:16:14

ESA Like thermometers in the sky, satellite instruments can measure the temperatures of Earth’s surfaces. ESA’s new GlobTemperature project is merging these data from a variety of spaceborne sensors to provide scientists with a one-stop shop for land, lake and ice temperature data. Information on land surface temperature is a key parameter for studying the Earth system. It plays an important role in physical processes such as atmospheric convection and surface evaporation,...

Researchers Determine How Much Water Is Enough Where Water Is Limited
2013-12-12 17:05:01

[ Watch The Video: Surface Renewal: An Advanced Micrometeorological Method ] The Journal of Visualized Experiments Today, December 12, JoVE, the Journal of Visualized Experiments, has published an environmental research technique that could turn the age-old task of watering crops into an exact science. A collaboration of scientists from the US Department of Agriculture and the University of California Davis, among others, has introduced a precision instrument that can determine...

2013-12-05 23:23:46

InventHelp is a leading inventor service company in America, and is submitting the Pet Pan to interested companies for their consideration. Pittsburgh, PA (PRWEB) December 05, 2013 "I love pets and have had them all of my life, but they’re always spilling their food and water on the floor, which is a hassle and can cause carpet damage," said an inventor from Lyons, Neb. "This inspired me to design a better way to contain the spilling of pet food and water." She then...

2013-06-27 23:16:16

A one-of-its kind sustainable site in Middle Georgia. Ft. Valley, GA (PRWEB) June 27, 2013 Super-Sod's new office for Middle Georgia is a handsome dark gray building, but the building is really “green” in philosophy and practice. Super-Sod vice president Ben Copeland, Jr. decided to move ahead with the new office and surrounding gardens after a visit to Israel to study water use with a Georgia Department of Agriculture trade mission. There he learned that, with a combination of...

LDCM Satellite Takes Temperature Of The Salton Sea
2013-04-22 10:58:37

NASA An image from an instrument aboard NASA's Landsat Data Continuity Mission or LDCM satellite may look like a typical black-and-white image of a dramatic landscape, but it tells a story of temperature. The dark waters of the Salton Sea pop in the middle of the Southern California desert. Crops create a checkerboard pattern stretching south to the Mexican border. If you looked at the Salton Sea in person, your eyes would not see anything presented in the LDCM image. Instead of showing...


Latest Evapotranspiration Reference Libraries

22_319d33a1f9f347feb9c006816dbc1357
2009-07-06 17:58:20

The water cycle (or hydrologic cycle) describes the continuous movement of water above, below, and on the planet. Since the water cycle is in fact a "cycle", there is no beginning or end. Water exists in three states: liquid, vapor, and ice. Although the balance of water on our planet is fairly constant, individual water molecules may come and go. The water cycle is driven by the sun. The sun heats the oceans and allows water to evaporate into the air. The sun also heats snow and ice which...

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Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'