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Christian Tulungen and Soni M. Pradhanang
A combination of annual peak water demand due to seasonal population spikes along with small and shallow aquifers has prompted an assessment of the region?s watersheds as operating at a net water deficit. This study uses the Soil and Water Assessment Too...
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Frank Joseph Wambura
Sound estimates of drought characteristics are very important for planning intervention measures in drought-prone areas. Due to data scarcity, many studies are increasingly using less data-intensive approaches, such as the evapotranspiration deficit inde...
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Yong Chen, Gary W. Marek, Thomas H. Marek, David K. Brauer and Raghavan Srinivasan
In the semi-arid Texas High Plains, the underlying Ogallala Aquifer is experiencing continuing decline due to long-term pumping for irrigation with limited recharge. Accurate simulation of irrigation and other associated water balance components are crit...
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Yong Chen, Gary W. Marek, Thomas H. Marek, David K. Brauer, Raghavan Srinivasan
Pág. 1 - 16
In the semi-arid Texas High Plains, the underlying Ogallala Aquifer is experiencing continuing decline due to long-term pumping for irrigation with limited recharge. Accurate simulation of irrigation and other associated water balance components are crit...
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Wenjun Yu, Yanzhong Li, Yanping Cao and Tayler Schillerberg
Climate warming can result in increases in the frequency and magnitude of drought events, leading to water shortages and socioeconomic losses. Gravity Recovery and Climate Experiment (GRACE) satellite data have been used to monitor and estimate drought e...
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Jesús Efren Ospina-Noreña,Paula Andrea Bermeo Fúquene,Enrique Darghan Contreras,Juan Carlos Barrientos-Fuentes
Pág. 197 - 211
This study proposes a method for averaging future climate scenarios from multiple global models through a multivariate statistical analysis. The method gives more weight to the most relevant variables in a specific system, which is associated with the av...
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Zhifang Pei and Bin Wu
With the intensification of global warming, food production will face serious drought risk. In view of the insufficient applicability of the existing crop drought index, a standardized crop water deficit index (SCWDI) was constructed based on the constru...
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Jesús Efren Ospina Noreña,Carlos Alberto Domínguez-Ramírez,Emel Enrique Vega-Rodríguez,Aquiles Enrique Darghan-Contreras,Luis Ernesto Rodríguez-Molano
Pág. 63 - 76
This workdiscusses in detail the parameters involved in water balance. The analysis is performed by considering the current conditions and climate change in a climatic zone that represents the arid regions of Colombia: The municipality of Uribia (desert)...
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Haomiao Cheng, Shu Ji, Hengjun Ge, Mohmed A. M. Abdalhi, Tengyi Zhu, Xiaoping Chen, Wei Ding and Shaoyuan Feng
Deficit irrigation (DI) is a widely recognized water-saving irrigation method, but it is difficult to precisely quantify optimum DI levels in tomato production. In this study, the Root Zone Water Quality-Simultaneous Heat and Water (RZ-SHAW) model was us...
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Chiara Corbari, Imen Ben Charfi and Marco Mancini
Remote sensing data of canopy cover and leaf area index are used together with the AquaCrop model to optimize irrigation water use efficiency for tomato and maize fields across Italy, which differ in climate, soil types and irrigation technique. An optim...
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Paulo Cañete-Salinas,Francisco Zamudio,Marco Yañez,Héctor Valdés-Gómez,Cristian Espinosa,Jaime Venegas,Luis Retamal,Javier Gyenge,César Acevedo-Opazo
Pág. eSC01
Aim of study: The productivity of poplar plantations in Mediterranean climates might be reduced due to lower precipitations in a climate change scenario. Therefore, understanding the water consumption in these plantations is essential for their managemen...
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Ali Khoshnazar, Gerald A. Corzo Perez and Vitali Diaz
Drought characterization and risk assessment are of great significance due to drought?s negative impact on human health, economy, and ecosystem. This paper investigates drought characterization and risk assessment in the Lempa River basin in Central Amer...
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Xiaofang Sun, Meng Wang, Guicai Li, Junbang Wang and Zemeng Fan
As a newly emerging satellite form of data, solar-induced chlorophyll fluorescence (SIF) provides a direct measurement of photosynthetic activity. The potential of SIF for drought assessment in different grassland ecosystems is not yet clear. In this stu...
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Sang-Hyun Lee, Seung-Hwan Yoo, Jin-Yong Choi, Seungjong Bae
Pág. 1 - 19
North Korea is a food-deficit nation in which climate change could have a significant impact on drought. We analyzed drought characteristics in the Hwanghae Plain, North Korea using both the multiple timescales of the standardized precipitation index (SP...
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Xiaohua Xiang, Xiaoling Wu, Xi Chen, Qifeng Song, Xianwu Xue
Pág. 1 - 15
The understanding of the temporal and spatial dynamics of soil moisture and hydraulic property of soil is crucial to the study of hydrological and ecological processes. The purpose of this study was to derive equations that describe spatial soil water st...
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Sang-Hyun Lee, Seung-Hwan Yoo, Jin-Yong Choi and Seungjong Bae
North Korea is a food-deficit nation in which climate change could have a significant impact on drought. We analyzed drought characteristics in the Hwanghae Plain, North Korea using both the multiple timescales of the standardized precipitation index (SP...
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Vanessa de Arruda Souza, Débora Regina Roberti, Anderson Luis Ruhoff, Tamíres Zimmer, Daniela Santini Adamatti, Luis Gustavo G. de Gonçalves, Marcelo Bortoluzzi Diaz, Rita de Cássia Marques Alves and Osvaldo L. L. de Moraes
Evapotranspiration (ET) is an important component of the hydrological cycle. Understanding the ET process has become of fundamental importance given the scenario of global change and increasing water use, especially in the agricultural sector. Determinin...
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Polina Lemenkova
This articles presents a new series of maps showing the climate and environmental variability of Botswana. Situated in southern Africa, Botswana has an arid to semi-arid climate, which significantly varies in its different regions: Kalahari Desert, Makga...
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Xiaopei Tang, Haijun Liu, Li Yang, Lun Li and Jie Chang
Understanding the impact of sprinkler irrigation on field energy balance, microclimate, and crop evapotranspiration is of great importance for optimizing irrigation scheduling and enhancing crop growth. In this study, the microclimate variables, energy, ...
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Muhammad Asif Javed, Sajid Rashid Ahmad, Wakas Karim Awan and Bilal Ahmed Munir
There is a global realization in all governmental setups of the need to provoke the efficient appraisal of crop water budgeting in order to manage water resources efficiently. This study aims to use the satellite remote sensing techniques to determine th...
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