Dependence of Evapotranspiration on the Precipitation Amount and Leaf area Index for Various Vegetated surfaces.

Evapotranspiration of Partially Vegetated Surfaces

Evapotranspiration of partially vegetated surfaces from remote sensing

Evapotranspiration (ET) estimates are required for many applications in agricultural and environmental management, from hydrological applications to crop models and irrigation scheduling. Improvement in irrigation water management is achieved when crop water use is accurately quantified in time and space. Conventionally, ET can be measured using Bowen ratio energy balance systems, eddy covarian...

Global estimation of evapotranspiration using a leaf area index-based surface energy and water balance model

a National Meteorological Center, China Meteorological Administration, Beijing 100081, China b Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China c Department of Biological Systems Engineering, University of Nebraska, NE 68583–0726, USA d Biology Department, San Diego State University, CA 92182–4614, USA e Institute of Agricultura...

Microwave backscatter and attenuation dependence on leaf area index for flooded rice fields

-Wetlands are important for their role in global climate as a source of methane and other reduced trace gases. As part of an effort to determine whether radar is suitable for wetland vegetation monitoring, we have studied the dependence of microwave backscatter and attenuation on leaf area index (LAI) for flooded rice fields. We find that the radar return from a flooded rice field does show dep...

Assessing the climate change effects on Standardized Precipitation Evapotranspiration Index (SPEI), case study: Latian dam

 Studying climate change and its effect on the intensity and frequency of drought can help the proper use of water resources and adaptation to the destructive effects of the drought phenomenon in the future decades. In recent decades, rising global temperatures have disturbed the planetchr('39')s climate balance and caused widespread climate change in most parts of the world. This research trie...