Results 11 to 20 of about 3,548,030 (339)

Water risk assessment in China based on the improved Water Risk Filter [PDF]

Proceedings of the International Association of Hydrological Sciences, 2014
Finding an effective way to deal with the water crisis and the relationship between water and development is a major issue for all levels of government and different economic sectors across the world.
G. Hong, G. Hong, Q. Yaqin, Q. Yaqin, L. Qiong, N. Cunwen, W. Na, L. Jiajia, G. Jongde, Z. Na, D. Xiangyi   +10 more
doaj   +1 more source

Combinaison de modèles de bilan hydrique et d’indicateurs de stress hydrique pour le pilotage de l’irrigation : étude de cas au Portugal [PDF]

Sciences, Eaux & Territoires, 2020
Après avoir présenté le contexte de l’irrigation au Portugal, les auteurs de cet article examinent la robustesse de deux approches et leur combinaison afin de mieux programmer les campagnes d’irrigation à l’échelle de la parcelle.
FERREIRA, Maria Isabel, CARRILHO, Vasco, CONCEIÇÃO, Nuno, LOURENÇO, Sonia, LOURENÇO, Sonia   +4 more
doaj  

Hydrologic regime alteration and influence factors in the Jialing River of the Yangtze River, China

Scientific Reports, 2022
Under the influence of climate alteration and human activities, the hydrological regime of rivers is changing dramatically, which has become a hot spot for water environment research.
Wenxian Guo, Xuyang Jiao, Haotong Zhou, Yongwei Zhu, Hongxiang Wang   +4 more
doaj   +1 more source

Water and soil environmental vulnerability of artificial oases in arid areas and its temporal and spatial differentiation and evolution

Water Supply, 2021
The water and soil environmental vulnerability in arid areas is mainly affected by vegetation, hydrology, terrain, and climate. To accurately evaluate the water and soil environmental vulnerability and its evolution in the Jingtaichuan Pumping Irrigation
Cundong Xu, Zijin Liu, Xinglin Zhu, Junjiao Tian, Fengyou Gu, Yan Wang   +5 more
doaj   +1 more source

A Study on the Response of Surface Water and Groundwater Interaction to River Runoff in the Taoer River Alluvial Fan [PDF]

E3S Web of Conferences
Understanding the transformation mechanisms of surface water and groundwater positively impacts the rational utilization of water resources and the more scientific allocation of their uses.
Meng Fanao, Shao Wenbin
doaj   +1 more source

Water as a Resource [PDF]

The ANNALS of the American Academy of Political and Social Science, 1909
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openaire   +2 more sources

Analysis of sediment variation and influencing factors in the upper Yangtze River in the past 50 years, China

Water Supply, 2022
River sediment load has a profound impact on river geomorphology and river ecosystems. We selected sediment load data from 1965 to 2019 from three key hydrological stations in the upper reaches of the Yangtze River: Pingshan, Cuntan, and Yichang. We have
Wenxian Guo, Xuyang Jiao, Lintong Huang, Haotong Zhou, Ruichao Zhao, Hongxiang Wang   +5 more
doaj   +1 more source

A new experimental method to measure and calculate the tensile strength of concrete

Frontiers in Materials, 2023
Introduction: A new method is introduced to test the tensile strength of concrete: the cylinder transverse splitting test. Compared with the cylinder splitting (or Brazilian) test, the cylinder transverse splitting test involves different load positions ...
Qihui Chai, Qihui Chai, Shasha Huang, Fang Wan, Feng Wu, Lingyun Feng   +5 more
doaj   +1 more source

Study on reservoir optimal operation based on coupled adaptive ε constraint and multi strategy improved Pelican algorithm

Scientific Reports, 2023
The optimal operation of reservoir groups is a strongly constrained, multi-stage, and high-dimensional optimization problem. In response to this issue, this article couples the standard Pelican optimization algorithm with adaptive ε constraint methods ...
Ji He, Xiaoqi Guo, Songlin Wang, Haitao Chen, Fu-Xin Chai   +4 more
doaj   +1 more source

Forecasting of runoff in the lower Yellow River based on the CEEMDAN–ARIMA model

Water Supply, 2023
Runoff is one of the important hydrological variables of rivers, and its accurate prediction can provide a reliable basis for water resources system characterization and efficient utilization.
Minghui Zhang, Xianqi Zhang, Wenbao Qiao, Yaohui Lu, Haiyang Chen   +4 more
doaj   +1 more source