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Christina M. Botai, Joel O. Botai, Lucky C. Dlamini, Nosipho S. Zwane, Elelwani Phaduli
Pág. 1 - 23
The Free State (FS) and North West (NW) Provinces are often hard hit by droughts with impacts on water availability, farm production and livestock holdings. The South African government declared the two Provinces drought disaster areas in the 2015/2016 h...
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Christina M. Botai, Joel O. Botai, Lucky C. Dlamini, Nosipho S. Zwane and Elelwani Phaduli
The Free State (FS) and North West (NW) Provinces are often hard hit by droughts with impacts on water availability, farm production and livestock holdings. The South African government declared the two Provinces drought disaster areas in the 2015/2016 h...
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Fei Wang, Zongmin Wang, Haibo Yang, Yong Zhao, Zezhong Zhang, Zhenhong Li and Zafar Hussain
Drought is a complex natural phenomenon that occurs throughout the world. Analyzing and grasping the occurrence and development of drought events is of great practical significance for preventing drought disasters. In this study, the Standardized Precipi...
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Weijie Zhang, Kai Feng, Fei Wang, Wenjun Wang, Zezhong Zhang, Yingying Wang and Shengzhi Huang
Meteorological drought is a continuous spatiotemporal phenomenon that poses a serious threat to water resource security. Dynamic evolution and multivariable frequency analysis of meteorological drought are important for effective drought mitigation and r...
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Fengping Liu, Xu Wang, Yuhu Chang, Ye Xu, Yinan Zheng, Ning Sun and Wei Li
This study analyzed the multivariate drought risks for the Wei River basin by characterizing the interdependence between the standardized precipitation index (SPI) and the standardized precipitation evapotranspiration index (SPEI). Both parametric and no...
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Ahmad Abu Arra and Eyüp Sisman
As a catastrophic phenomenon, drought has destructive impacts on water resources, the environment, and the ecosystem. Consequently, drought plays a vital role in risk assessment, water resources management, and drought mitigation plans. The main aim of t...
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Elsa Moreira, Ana Russo and Ricardo M. Trigo
Drought class transitions over a sector of Eastern Europe were modeled using log-linear models. These drought class transitions were computed from time series of two widely used multiscale drought indices, the Standardized Preipitation Evapotranspiration...
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Valentin Aich, Noor Ahmad Akhundzadah, Alec Knuerr, Ahmad Jamshed Khoshbeen, Fred Hattermann, Heiko Paeth, Andrew Scanlon and Eva Nora Paton
Past and the projected future climate change in Afghanistan has been analyzed systematically and differentiated with respect to its different climate regions to gain some first quantitative insights into Afghanistan?s vulnerability to ongoing and future ...
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Yansong Li, Yaning Chen, Yapeng Chen, Weili Duan, Jiayou Wang and Xu Wang
Global changes in drought and wetness and their future trends in arid regions have recently become a major focus of research attention. The Tarim River Basin (TRB) in Xinjiang, China, is among the most climate-sensitive regions in the world. This study u...
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Aristoteles Tegos, Stefanos Stefanidis, John Cody and Demetris Koutsoyiannis
This paper examines the impacts of three different potential evapotranspiration (PET) models on drought severity and frequencies indicated by the standardized precipitation index (SPEI). The standardized precipitation-evapotranspiration index is a recent...
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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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Binquan Li, Wei Zhou, Yaoyang Zhao, Qin Ju, Zhongbo Yu, Zhongmin Liang and Kumud Acharya
The Yarlung Zangbo River (YZR) is the largest river system in the Tibetan Plateau, and its basin is one of the centers of human economic activity in Tibet. Large uncertainties exist in several previous climate change studies in this basin because of limi...
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Jae Young Seo and Sang-Il Lee
Drought is a complex phenomenon caused by lack of precipitation that affects water resources and human society. Groundwater drought is difficult to assess due to its complexity and the lack of spatio-temporal groundwater observations. In this study, we p...
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Zihan Gui, Heshuai Qi, Faliang Gui, Baoxian Zheng, Shiwu Wang and Hua Bai
Poyang Lake, the largest freshwater lake in China, is an important regional water resource and a landmark ecosystem. In recent years, it has experienced a period of prolonged drought. Using appropriate drought indices to describe the drought characterist...
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Bowen Zhang, Ying Chen, Xingwei Chen, Lu Gao and Meibing Liu
Under climate change, the frequency of drought-flood abrupt alternation (DFAA) events is increasing in Southeast China. However, there is limited research on the evolution characteristics of DFAA in this region. This study evaluated the effectiveness of ...
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Cem Polat Cetinkaya and Mert Can Gunacti
Dry periods and drought are inherent natural occurrences. However, due to the increasing pressures of global warming and climate change, these events have become more frequent and severe on a global scale. These phenomena can be traced with various indic...
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Souad Ben Salem, Abdelkrim Ben Salem, Ahmed Karmaoui and Mohammed Yacoubi Khebiza
Water resources in Morocco have been severely influenced by climate change and prolonged drought, particularly in the pre-Saharan zone. The Ziz watershed faces increasing pressure due to the high demographic growth, increased demand for water, excessive ...
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Nunziarita Palazzolo, David J. Peres, Brunella Bonaccorso and Antonino Cancelliere
Assessing and monitoring the spatial extent of drought is of key importance to forecasting the future evolution of drought conditions and taking timely preventive and mitigation measures. A commonly used approach in regional drought analysis involves spa...
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Irina Zheleznova, Daria Gushchina, Zhiger Meiramov and Alexander Olchev
The spatial and temporal variability of dryness conditions in the territory of Kazakhstan during the period 1979?2021 was investigated using monthly and hourly ERA5 reanalysis data on air temperature and precipitation as well as various aridity indices. ...
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Tamara Brlekovic and Lidija Tadic
Hydrological drought is critical from both water management and ecological perspectives. Depending on its hydrological and physical features, the resilience level of a catchment to groundwater drought can differ from that of meteorological drought. This ...
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