نتایج جستجو برای: potential evapotranspiration

تعداد نتایج: 1073205  

2015
Watcharee Ruairuen Gilberto J. Fochesatto Elena B. Sparrow William Schnabel Mingchu Zhang Yongwon Kim Gil Bohrer

As the acreages of agricultural lands increase, changes in surface energetics and evapotranspiration (ET) rates may arise consequently affecting regional climate regimes. The objective of this study was to evaluate summertime ET dynamics and surface energy processes in a subarctic agricultural farm in Interior Alaska. The study includes micrometeorological and hydrological data. Results coverin...

Journal: :بوم شناسی کشاورزی 0
هدیه پوریزدان خواه تیمور رضوی پور محمدرضا خالدیان مجتبی رضایی

estimating and determining of rice water requirement, being the main cultivate of rasht region, is crucial for devoting water to this region. equations which are used to calculate the reference evapotranspiration (et0) are not match to all climatic conditions, due to their empirical bases. so, it is necessary to clarify proper methods for each region. crop coefficient (kc) is also the main para...

2010
CRISTINA SERBAN ALINA BARBULESCU

Estimating evapotranspiration is essential for understanding the water cycle of natural systems and for the management of the water resources in landscape systems. This paper presents a procedure to calculate the evapotranspiration using the remote sensing data and Grid Computing. Evapotranspiration was retrieved during satellite overpass and integrated for 24 hours on pixel-by-pixel base for d...

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