Results 11 to 20 of about 412,375 (262)

Study on deformation control measures of urban levee road combination

open access: yesShuili Shuiyun Gongcheng Xuebao, 2023
Effective control of deformation is an important guarantee for the urban levee road combination works to play the dual role of flood control and transportation. Based on the typical section of the levee road combination project along the Yangtze River in
WANG Zhangchun   +5 more
doaj   +1 more source

The 2022 extreme drought in the Yangtze River Basin: Characteristics, causes and response strategies

open access: yesRiver, 2022
An extreme drought occurred in the Yangtze River Basin in 2022, inflicting huge impacts nationwide. To provide a reference for drought prevention and mitigation, this paper presents a comprehensive analysis of the drought in the Yangtze River Basin in ...
Miaomiao Ma   +11 more
doaj   +1 more source

MAPPING IRRIGATED AREAS USING RANDOM FOREST BASED ON GF-1 MULTI-SPECTRAL DATA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The irrigation districts need high-resolution spatial distribution information of irrigated fields to manage irrigation water effectively and achieve sustainable water resources management, especially for fragmented croplands such as China. However, most
Y. Lu   +5 more
doaj   +1 more source

REMOTE SENSING MONITORING AND ANALYSIS OF AGRICULTURAL DROUGHT IN SPRING CONSIDERING IRRIGATION AREA: A CASE STUDY OF DONGLEI IRRIGATION DISTRICT (PHASE II) [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
As one of the common natural disasters, drought is extremely destructive to agriculture. Drought has risen in recent years, so how to effectively monitor drought has become the focus of attention of relevant government departments.
H. Liu   +8 more
doaj   +1 more source

Finite element analysis on piping control effect of the suspended cut-off wall in two-stratum dike foundations

open access: yesLHB Hydroscience Journal, 2022
With the permeability enlargement method, we carried out Finite Element Analysis on the piping development in a double-stratum dike foundation with suspended cut-off wall.
Shunfu Zhang   +8 more
doaj   +1 more source

A Comparative Analysis of Spatial-Temporal Precipitation Accuracy of TRMM and Synoptic Stations [PDF]

open access: yesWater Harvesting Research, 2022
The Tropical Rainfall Measurement Mission (TRMM) provides an important rainfall database for hydrological applications in aquatic basins. However, its accuracy and usage have not been sufficiently studied due to the occurrence of network-scale rainfall ...
Massoud Goodarzi   +2 more
doaj   +1 more source

Regulation of Evapotranspiration in Different Precipitation Zones and Its Application in High-Temperature and Drought Monitoring

open access: yesRemote Sensing, 2022
When drought occurs in different regions, evapotranspiration (ET) changes differently with the process of drought. To achieve an accurate monitoring of large-scale drought using remote sensing, it is particularly necessary to clarify the temporal and ...
Lijuan Wang   +5 more
doaj   +1 more source

Comprehensive evaluation of saline-alkali tolerance in different wheat (Triticum aestivum) varieties throughout the entire growth cycle [PDF]

open access: yesEmirates Journal of Food and Agriculture
To investigate the salt tolerance of different wheat varieties and identify those suitable for cultivation in saline-alkali soil, 64 predominantly promoted wheat varieties were cultivated in artificial salt ponds.
LiYa Niu   +8 more
doaj   +3 more sources

Progress in research on historical extreme drought in China

open access: yesShui kexue jinzhan, 2018
Current drought-related laws, regulations, plans and standards are targeted to deal with droughts once in 5 to 10 years, without any consideration for extreme droughts characterized by large scope and long duration.
QU Yanping   +4 more
doaj   +1 more source

Stability analysis of temporary dam constructed by fabricated rapid closure devices

open access: yesShuili Shuiyun Gongcheng Xuebao, 2021
A three-dimensional numerical model of the dam is established based on the CFD software Fluent to investigate the feasibility and effectiveness of applying the assembled quick closure devices to address the dyke breach issue in flood season.
LIU Junyi   +4 more
doaj   +1 more source

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