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Sustainability | Free Full-Text | Water Conservation Implications Based on Tempo-Spatial Characteristics of Water Footprint in the Water-Receiving Areas of the South-to-North Water Diversion Project, China

In order to continuously promote water conservation efforts to alleviate the pressure of water diversion, water footprint (WF) is used as an effective tool to measure water utilization in the water-receiving areas of the Middle Route and Eastern Route of the South-to-North Water Diversion Project (SNWDP). The tempo-spatial variations of WF and spatial equilibrium of water footprint intensity (WFI) in the study area are quantified using the Mann–Kandle trend test, Sen’s slope, and Dagum Gini coefficient decomposition method for the years of 2005–2020. The results show that WF has a significant decreasing trend (Sen’s slop < 0, significant level < 0.05) in 17 cities in the study area, whereas WF shows a significant increasing trend (Sen’s slop > 0, significant level < 0.05) in 10 cities. Cities in the water-receiving areas are categorized into three types based on the contribution of the water utilization sector to changes in WF as follows: agric ....

North China Plain , China General , Dagum Gini , Water Conservancy Bureau , United Nations Sustainable Development Goals Sdgs , Northern China , South To North Water Diversion Project , Eastern Route , Middle Route , Western Route , United Nations Sustainable Development Goals , Northeastern China , Yellow River Basin , Gross Domestic Product , Jiangsu Province , Anhui Province , Water Resources Bulletin , Statistical Yearbooks , Temporal Variation , Beach Sector , Water Footprint , Spatial Equilibrium , Henan Province , Shandong Province , Spatial Variations , Water Receiving Areas ,

Water | Free Full-Text | Impacts of Climate Change on Ecological Water Use in the Beijing&#x2013;Tianjin&#x2013;Hebei Region in China

The Beijing–Tianjin–Hebei region in China is experiencing a serious ecological water scarcity problem in the context of climate warming and drying. There is an urgent need for practical adaptation measures to cope with the adverse impacts of climate change and provide a scientific basis for urban water supply planning, water resource management, and policy formulation. Urban ecological water can maintain the structure and function of urban ecosystems, both as an environmental element and as a resource. Current research lacks quantitative analysis of the impact of regional meteorological factors on ecological water use at the small and medium scales. Based on the meteorological data and statistical data of water resources in the Beijing–Tianjin–Hebei (BTH) region, this paper analyzed the trend of climate change and established an ecological climatic water model using gray correlation analysis, polynomial simulation, and singular spectrum analysis to predict the e ....

Nei Mongol , International Coupled Model Comparison Program , China Meteorological Administration , Heihe River , Irtysh River , Gansu Province , North China Plain , China Meteorological Data , Water Resources Bulletin , Hebei Statistical Yearbook , Climate Models , Climate Team , Primary Industries , New South Wales , Climate Change , Ecological Water Use , Ecological Climatic Water Use Model , Hebei Province , Ecological Climatic Water Use , Hebei Region , Hebei Provinces , South To North Water Diversion ,