Results 21 to 30 of about 11,682,067 (381)

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

open access: yesScientific 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   +4 more
doaj   +1 more source

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

open access: yesWater 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   +5 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]

open access: yesSciences, 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   +4 more
doaj  

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

open access: yesFrontiers 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   +5 more
doaj   +1 more source

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

open access: yesWater 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   +5 more
doaj   +1 more source

Water as a Resource [PDF]

open access: yesThe ANNALS of the American Academy of Political and Social Science, 1909
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openaire   +3 more sources

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

open access: yesE3S 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

A new precipitation forecast method based on CEEMD-WTD-GRU

open access: yesWater Supply, 2022
The simulation of precipitation changes can provide references for the prediction and prevention of flood disasters, and has guiding significance for the comprehensive utilization of regional water resources. Precipitation forecasting is difficult due to
Xianqi Zhang   +4 more
doaj   +1 more source

The global water resources and use model WaterGAP v2.2d: model description and evaluation

open access: yesGeoscientific Model Development, 2020
. WaterGAP is a global hydrological model that quantifies human use of groundwater and surface water as well as water flows and water storage and thus water resources on all land areas of the Earth. Since 1996, it has served to assess water resources and
Hannes Müller Schmied   +14 more
semanticscholar   +1 more source

Sensitivity of Winter Wheat to Drought Occurring at Different Growth Stages

open access: yesGuan'gai paishui xuebao, 2021
【Background and objective】 Sensitivity of crop to drought is a measure of the response of its growth and yield to water stress occurring at different growth stages.
XU Hu   +4 more
doaj   +1 more source

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