نتایج جستجو برای: sub watershed 25
تعداد نتایج: 570420 فیلتر نتایج به سال:
This paper presents a synthesis of four case studies of watershed management experiences in the Philippines, primarily to provide insight on why watershed management approach has not gained wider recognition in the country despite being renowned internationally. A brief description was presented for each case study involving the watersheds of Maasin, Magat, Manupali, and Balian sub-watershed to...
Prioritization of sub-watersheds is very important and necessary in order to implement soil and water conservation practices. This study has prioritized 13 sub-watersheds based on morphometric and land use characteristics using RS and GIS techniques in Haraz watershed to identify erosion-prone sub-watersheds. Morphometric characteristics including bifurcation ratio, drainage density, stream fre...
UNLABELLED BACKGROUND Mongolia's riverine landscape is divided into three watersheds, differing in extent of permafrost, amount of precipitation and in hydrological connectivity between sub-drainages. In order to assess the vulnerability of macroinvertebrate communities to ongoing climate change, we consider the taxonomic and functional structures of stream communities in two major watershed...
Identifying and determining the flood potential and prioritizing of the flood discharge in the sub-basins is very important in terms of watershed management, flood control and watershed management projects. In many watersheds, it is difficult to investigate and determine the impact of each of the factors and even upstream sub-basins on creating an outlet flood, especially in the sub-basins w...
in iran, most mountainous watersheds do not have enough hydrometery stations and defective stations have sparse data. because of limited availability of hydrologic data, watershed modeling plays a crucial role in development of local resources. in this study, swat was applied to simulate runoff in marun dam (idanak) watershed, a sub-basin of marun catchment. calibration and sensivity analyses w...
A Watershed is a land area that an integral part of the river and its tributaries, which functions to accommodate, store drain water from rainfall lakes or sea naturally, whose boundaries on are topographical separators. And at up areas still affected by activities. This study aims as follows: 1) To assess current quality in Boentuka Sub-watershed, Timor Tengah Selatan Regency, 2) Identify fact...
Surface water samples of baseflow were collected from 20 headwater sub-watersheds which were classified into three types of watersheds (natural, urban and agricultural) in the flood, dry and transition seasons during three consecutive years (2010-2012) within a coastal watershed of Southeast China. Integrating spatial statistics with multivariate statistical techniques, river water quality vari...
Background: Mongolia’s riverine landscape is divided into three watersheds, differing in extent of permafrost, amount of precipitation and in hydrological connectivity between sub-drainages. In order to assess the vulnerability of macroinvertebrate communities to ongoing climate change, we consider the taxonomic and functional structures of stream communities in two major watersheds: The Centra...
The aim of this paper is to assess the extent which Sad-Kalan watershed in Iran participates floods and rank sub-watersheds terms flooding potential by utilizing multi-criteria decision-making approaches. We employed entropy a drainage network, stream power index (SPI), slope, topographic control (TCI), compactness coefficient (Cc) investigation. After forming decision matrix with 25 possibilit...
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