نتایج جستجو برای: helmand river
تعداد نتایج: 83588 فیلتر نتایج به سال:
In recent years, river flow into Sistan dam changed because of construction dams and expansion irrigation areas in the upper Helmand basin. Planning for more heightening Kajaki basin shall intensify severity water shortage Hamun Lake. located at downstream on branch river, power shifts Afghanistan upstream basins absence an integrated authority/management are major problems. Political nature in...
Helmand River Hydrologic Studies Using ALOS PALSAR InSAR and ENVISAT Altimetry Zhong Lu a; Jin-Woo Kim b; Hyongki Lee b; C. K. Shum b; Jianbin Duan b; Motomu Ibaraki b; Orhan Akyilmaz c; Chung-Hye Read d a U.S. Geological Survey, Vancouver, Washington, USA b School of Earth Sciences, The Ohio State University, Columbus, Ohio, USA c Department of Geodesy and Photogrammetry, Istanbul Technical Un...
paraschistura alta , formerly reported from the eastern part of sistan basin in afghanistan, is reported for the first time from the zahak river in iranian part of this basin and its morphological characteristics, coi barcode and its phylogenetic relationship within other members of the genus paraschistura from iran are provided. all the measured meristic and morphometric characters of seven co...
This study evaluates drought at Lashkargah, Farah, Adraskan, and Gardandiwal stations in Helmand River Basin (HRB) Afghanistan to determine appropriate indices for the basin. Thirty seven years of monthly recorded precipitation data from 1979 2015 are employed with different index (DI) methods which include Standardized Precipitation Index (Normal-SPI, Log-SPI, Gamma-SPI), Percent Normal (PN), ...
the land-locked country of afghanistan has a restricted but relatively diverse ichthyofauna comprising 85 species in 10 families. the fauna is dominated by cyprinidae (50 species) and other ostariophysans (28 species). eight species are endemics to afghanistan within its political boundaries. there are three principal drainage basins: the endorheic amu darya draining to the aral sea with 29 spe...
One of the major challenges in water resources management is the operation of trans boundary watershed. This has been experienced in case of Helmand River between Iran and Afghanistan since the last century. For such a situation, application of a conceptual rainfall-runoff models that can simulate management scenarios is a relevant tool. The SWAT model can be a relevant option in this regard. H...
paracobitis vignai is a nemacheilid loach endemic to the sistan basin. it occurs in helmand river and its related reservoirs in sistan-va-baluchistan province in southeastern iran and probably in afghanistan. this species is currently endangered due to habitat loss or degradation, damming and droughts. therefore, this paper reviews the available data on taxonomy and distribution of p. vignai , ...
Abstract After protracted conflicts, Afghanistan and Iran agreed on a treaty in 1973 to share the waters of Helmand River. However, this legal arrangement became source controversy over its equitable reasonable utilization principle. The River Water Treaty reflects history political strongly contrasting views, with some labelling it “worst” others “best”. This paper scrutinizes arrangements wit...
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