potential evapotranspiration modeling News

  • Taking earth`s temperature via satellite

    Imagine adding a thermometer to Google Earth. That's the vision of Agricultural Research Service (ARS) scientists Martha Anderson and Bill Kustas, who see the need for high-resolution thermal infrared imaging tools--such as those aboard the aging Landsat satellites--as vital to monitoring earth's health. These thermal data are especially important given the combination of global warming and the ...

  • New satellite sensing tool for improving agricultural land use observation

    FAO (Food and Agriculture Organization of the United Nations) data indicate that annually 2500 km3 of freshwater are used for agricultural production, which amounts to 70% of the water resources the whole of humanity consumes in a year. With the global population continuing to grow at a high pace, it is essential to optimize the use of water resources and to increase agricultural production in ...

  • “Efficient” irrigation tool may deplete more water

    An Israeli water engineer was sitting under a tree one day when he noticed a leaking faucet slowly drip water to the tree's roots, a nearly 50-year-old irrigation tale says. The idea inspired the invention of modern drip irrigation, also known as micro-irrigation. The method runs water through plastic tubes that release the flow through small holes directly to crop roots or stems. The precise ...


    By Worldwatch Institute

  • American society of agronomy presents 2011 class of fellows

    The American Society of Agronomy (ASA) will recognize the following individuals at the 2011 Awards Ceremony during their Annual Meeting on Oct. 16-19 in San Antonio, TX, www.acsmeetings.org. ASA has been selecting outstanding members as Fellows since 1924. Members of the Society nominate worthy colleagues based on their professional achievements ...

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