نتایج جستجو برای: basins among sub
تعداد نتایج: 1353044 فیلتر نتایج به سال:
because of insufficient factors including facilities, budget, human resources as well as time watershed operation is not applicable throughout the basin. as a result, watershed operation should be performed in the sub-basins in which is more affectionate and the risk frequency of some events such as destruction, degradation; physical and financial damage and also flooding are considerably high....
The model in this research was created based on the Artificial Neural Network (ANN) and calibrated in the Sefid-rood dam basin (excluding Khazar zone). This research was done by gathering and selecting peak flows of hydrographs from 12 sub basins, the concentration time of which was equal to or less than 24 hours and was caused only by rainfall. From all the selected sub basins, totally 661 hyd...
in this research priority of gorgan’s sub- watershed were done after normalizing the indicators using gis software. the multi-attribute decision-making methods including electre, topsis and saw were used in this study. ahp was applied in order to weighting the indicators in expert choice software. first, priority the sub-watershed were done by electre, topsis and saw using the excel. each metho...
Social-ecological fit demands that governance systems align with and function at the appropriate scales of social ecological processes being governed. While multilevel social-ecological network analysis has been applied to assess in various contexts, it not yet understand transboundary flood planning. We investigate collaborative planning efforts St. John River Basin, located New Brunswick Queb...
Watershed is regarded as a very complex system of natural, social, economic and ecological dimensions and like any similar systems, exploitation of its resources requires a comprehensive and coordinated planning and management. Given the importance of watershed management projects for the development and management of natural resources, the enhancement of the efficiency of these activities is e...
Haraz-Ghareh Su is one of the seven sub-basins of the Caspian basin, located on the southern shores of the Caspian Sea, and as such, is in danger of water crisis due to absence of proper systematic policy and strategy. In this study, the pressure factors on the Haraz-Ghareh Su water resources were identified using DPSIR model. Then, the pressure parameters on the freshwater resources in the Cas...
Haraz-Ghareh Su is one of the seven sub-basins of the Caspian basin, located on the southern shores of the Caspian Sea, and as such, is in danger of water crisis due to absence of proper systematic policy and strategy. In this study, the pressure factors on the Haraz-Ghareh Su water resources were identified using DPSIR model. Then, the pressure parameters on the freshwater resources in the Cas...
in this study reference as one of the five cohesive devices in the achievement of textuality in english and persian narrative/descripitive written texts is focused on and analysed . to do so , the theoretical framework elaborated by halliday and hasan (1976) and its version adapted by the writer to match the sub-types of reference in farsi are applied to the analysis of reference in english and...
In the formulation of scientific water resource management systems and strategies for improving utilization efficiency, effects land use change climate on temporal spatial distribution resources cannot be overlooked. And Hanjiang basin is main source supply to eastern Guangdong southwestern Fujian, China. However, experiencing a significant imbalance between demand. This study investigated spat...
The retreat and shrinkage of glaciers due to climate change are the causes for formation expansion glacial lakes in Himalayas. This study presents rapidly expanding Nepal Himalayas between 1988 2018 based on published lake inventories produced from Landsat imageries (30 m). Glacier-fed end moraine-dammed whose surface area was?0.1 km2 with an rate more than 30% 1988-2018 were regarded as lakes....
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