نتایج جستجو برای: potential transpiration and evaporation

تعداد نتایج: 16925742  

2005
DAGANG WANG GUILING WANG EMMANOUIL N. ANAGNOSTOU

Precipitation exhibits significant spatial variability at scales much smaller than the typical size of climate model grid cells. Neglecting such subgrid-scale variability in climate models causes unrealistic representation of land–atmosphere flux exchanges. It is especially problematic over densely vegetated land. This paper addresses this issue by incorporating satellite-based precipitation ob...

2006
D. Wang

This paper investigates the effect of sub-grid rainfall variability on the simulation of land surface hydrologic processes of three regions (Europe, Africa and Amazon) with contrasting precipitation and vegetation characteristics. The sub-grid rainfall variability is defined in terms of the rainfall coverage fraction at the model’s grid cells, and the statistical distribution of rain rates with...

Journal: :E3S web of conferences 2022

The manifestations of climate change in precipitation, air temperature and simulated evapotranspiration for crops the Tadla perimeter central Morocco are examined. study area is characterized by a semi-arid climate, with potential agricultural vocation. This exposed to scarcity water resources crop irrigation. To this effect, it treating rainfall over 60 years (1958-2018) at 27 measuring statio...

شاهرخ زندپارسا, , علیرضا سپاسخواه, , ابوالفضل مجنونی هریس, , علی اکبر کامگار حقیقی, ,

Optimal crop water requirement is needed for precise irrigation scheduling. Prediction of crop water requirements is a basic factor to achieve this goal. In this study, maize potential evapotranspiration (ETp) was prediced by maize simulation model (MSM). Then, it was evaluated and validated using experimental field data obtained in Agricultural Research Station of Shiraz University (Bajghah, F...

2010
Nithya Rajan Stephan J. Maas James C. Kathilankal

Published in Agron. J. 102:1641–1651 (2010) Published online 30 Sept 2010 Available freely online through the author-supported open access option. doi:10.2134/agronj2010.0076 Copyright © 2010 by the American Society of Agronomy, 5585 Guilford Road, Madison, WI 53711. All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mecha...

ژورنال: علوم آب و خاک 2007
شاهرخ زندپارسا, , علیرضا سپاسخواه, , ابوالفضل مجنونی هریس, , علی اکبر کامگار حقیقی, ,

Optimal crop water requirement is needed for precise irrigation scheduling. Prediction of crop water requirements is a basic factor to achieve this goal. In this study, maize potential evapotranspiration (ETp) was prediced by maize simulation model (MSM). Then, it was evaluated and validated using experimental field data obtained in Agricultural Research Station of Shiraz University (Bajghah, F...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید