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Cheng-I Hsieh, I-Hang Huang and Chun-Te Lu
Canopy resistance is a key parameter in the Penman?Monteith (P?M) equation for calculating evapotranspiration (ET). In this study, we compared a machine learning algorithm?support vector machine (SVM) and an analytical solution (Todorovic, 1999) for esti...
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Lianglei Gu, Zeyong Hu, Jimin Yao, Genhou Sun
Pág. 1 - 16
Evapotranspiration (ET) is an important component of the surface energy balance and water cycle, especially in arid and semiarid regions. The characteristics of the actual evapotranspiration (ETa), which was calculated using the eddy covariance method, a...
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Aristoteles Tegos, Nikolaos Malamos, Andreas Efstratiadis, Ioannis Tsoukalas, Alexandros Karanasios, Demetris Koutsoyiannis
Pág. 1 - 22
We present and validate a global parametric model of potential evapotranspiration (PET) with two parameters that are estimated through calibration, using as explanatory variables temperature and extraterrestrial radiation. The model is tested over the gl...
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Lianglei Gu, Zeyong Hu, Jimin Yao and Genhou Sun
Evapotranspiration (ET) is an important component of the surface energy balance and water cycle, especially in arid and semiarid regions. The characteristics of the actual evapotranspiration (ETa), which was calculated using the eddy covariance method, a...
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Aristoteles Tegos, Nikolaos Malamos, Andreas Efstratiadis, Ioannis Tsoukalas, Alexandros Karanasios and Demetris Koutsoyiannis
We present and validate a global parametric model of potential evapotranspiration (PET) with two parameters that are estimated through calibration, using as explanatory variables temperature and extraterrestrial radiation. The model is tested over the gl...
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Lingling Zhao, Jun Xia, Leszek Sobkowiak and Zongli Li
Based on the meteorological data from 46 stations in the Hai River Basin (HRB) from 1961?2010, the annual and seasonal variation of reference evapotranspiration was analyzed. The sensitivity coefficients combined with the detrend method were used to disc...
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Patricia Oliveira Lucas,Renato Dourado Maia,Marcelo Rossi Vicente,Caio Vinícius Leite
Irrigation, when rationally used, can contribute to the efficient performance of the agribusiness. Planning irrigation, monitoring the soil moisture, the rainfall and the reference evapotranspiration (ET0) is necessary for a rational water management. Th...
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Hongsi Gao, Xiaochun Zhang, Xiugui Wang and Yuhong Zeng
The assessment of crop water productivity (CWP) is of practical significance for improving regional agricultural water use efficiency and water conservation levels. The remote sensing method is a common method for estimating large scale CWP, and the asse...
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Zhansheng Li, Yuan Yang, Guangyuan Kan and Yang Hong
The potential evapotranspiration (PET) is an important input to the hydrological model and its compatibility has an important influence on the model applications. The applicability of the Hargreaves-Samani (HS) PET estimation method in Coupled Routing an...
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Yaqun Liu, Wei Song and Xiangzheng Deng
Agricultural expansion, population growth, rapid urbanization, and climate change have all significantly impacted global water supply and demand and have led to a number of negative consequences including ecological degradation and decreases in biodivers...
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Yaqun Liu, Wei Song, Xiangzheng Deng
Pág. 1 - 21
Agricultural expansion, population growth, rapid urbanization, and climate change have all significantly impacted global water supply and demand and have led to a number of negative consequences including ecological degradation and decreases in biodivers...
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Himasha Dilshani Abeysiriwardana, Nitin Muttil and Upaka Rathnayake
Among numerous methods that have been developed to estimate potential evapotranspiration (PET), the Food and Agricultural Organization Penman?Monteith model (FAO P?M) is often recognized as a standard method to estimate PET. This study was conducted to e...
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Dengxiao Lang, Jiangkun Zheng, Jiaqi Shi, Feng Liao, Xing Ma, Wenwu Wang, Xuli Chen, Mingfang Zhang
Pág. 1 - 18
Potential evapotranspiration (PET) is crucial for water resources assessment. In this regard, the FAO (Food and Agriculture Organization)?Penman?Monteith method (PM) is commonly recognized as a standard method for PET estimation. However, due to requirem...
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Ahmed Skhiri, Ali Ferhi, Anis Bousselmi, Slaheddine Khlifi and Mohamed A. Mattar
A correct determination of irrigation water requirements necessitates an adequate estimation of reference evapotranspiration (ETo). In this study, monthly ETo is estimated using artificial neural network (ANN) models. Eleven combinations of long-term ave...
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Chouaib El Hachimi, Salwa Belaqziz, Saïd Khabba, Badreddine Sebbar, Driss Dhiba and Abdelghani Chehbouni
Smart management of weather data is an essential step toward implementing sustainability and precision in agriculture. It represents an important input for numerous tasks, such as crop growth, development, yield, and irrigation scheduling, to name a few....
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Meng Li, Ronghao Chu, Shuanghe Shen and Abu Reza Md. Towfiqul Islam
Reference evapotranspiration (ETref) is an important study object for hydrological cycle processes in the context of drought-flood risks of the Huai River Basin (HRB). In this study, the FAO-56 Penman?Monteith (PM) model was employed to calculate seasona...
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Meng Li, Ronghao Chu, Shuanghe Shen and Abu Reza Md. Towfiqul Islam
Reference evapotranspiration (ETref) is an important study object for hydrological cycle processes in the context of drought-flood risks of the Huai River Basin (HRB). In this study, the FAO-56 Penman?Monteith (PM) model was employed to calculate seasona...
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Guy Merlin Guenang, Derbetini A. Vondou and Francois Mkankam Kamga
Total water storage change (TWSC) was calculated using CRU (Climatic Research Unit) monthly gridded data for the period 1962?1993 over Cameroon. Investigations were conducted to link its annual cycle with both the beginning and the end of the rainy seaso...
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Apolinario Lujano, Miguel Sanchez-Delgado and Efrain Lujano
The FAO 56 Penman?Monteith equation (PM) is considered the most accurate method for estimating reference evapotranspiration (ETo). However, PM requires a large amount of data that is not always available. Thus, the objective of this study is to improve t...
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Julio César García-Colin, Carlos Díaz-Delgado, Humberto Salinas Tapia, Carlos Roberto Fonseca Ortiz, María Vicenta Esteller Alberich, Khalidou M. Bâ and Daury García Pulido
The present work proposes the use of green infrastructure (GI) called sustainable urban agriculture drainage systems with water reuse (SUADS-WR) to manage percolated water sustainably in urban agricultural areas (f.i. golf courses). The substrate of the ...
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