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The water resources development has changed the water and sediment situation in the waterway and ruined the balance between the lake system and the eco-environment. It is important to realize the new environment after the change of the water and sediment situation, and to explore the effective environmental improvement measures for the sustainable development and the lake health. Healthy lake is a...
This article set up a surface water quality fuzzy evaluation model, information entropy is used to determine weight of each factor of effect water quality, and then fuzzy comprehensive assessment is developed to evaluate Luanhe downstream surface water environment. The results showed that the method solved weight distribution problem better, and more reasonable and reliable conclusions are made by...
Evaluation of groundwater environment carrying capacity is a multi-objective, multi-criteria and multi-level comprehensive issue. Evaluation index system of groundwater environment carrying capacity was built and divided into some subsystems in accordance with each index's inherent stratification link. Every index's effect on carrying capacity system was obtained by normalization operations catastrophe-based,...
Ecological carrying capacity indexes of Hegang of Heilongjiang province, Naiman country of Inner Mongolia and Luzhou of Sichuan province are calculated respectively by the comprehensive assessment based on AHP and the ecological footprint model. The results show that the CCPS is below 1 before and after the three regional planning, and the regions have room for development; there are still some constraints:...
Eco-water (layer) refers to the water body closely related to the ground vegetation layer. It is conserved in leaves, roots, vegetation humus layers and root soil layers, which is capable of precipitation interception and rivers and/or groundwater supplementation. As a challenging issue in the hydrological cycle field, the eco-water and its resource quantity are difficult to be quantified by ordinary...
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