نتایج جستجو برای: in highland watersheds
تعداد نتایج: 16977197 فیلتر نتایج به سال:
چکیده روش های متعددی برای برآورد رواناب حاصل از بارش در حوضه های آبریز وجود دارد. یکی از این روش ها استفاده از مدل های هیدرولوژیکی است. با استفاده از مدل های هیدرولوژیکی و شبیه سازی فرآیندهای هیدرولوژیکی می توان با صرف کمترین زمان و هزینه، رواناب و مولفه های دیگر چرخ? هیدرولوژیکی را برآورد کرد. از آنجا که در حوضه های آبریز اندازه گیری تمام کمیت های مورد نیاز برای تحلیل رواناب ممکن نیست، انتخاب...
in highland watersheds, runoff generated by snow melting plays an important role in stream water supply. srm (snowmelt runoff model) is a hydrologic model which simulates and predicts daily flow in mountain watersheds dominated by snow melting process. the srm is based on the degree-day procedure which, is a widely used method but does not consider physical factors. in the current research, the...
Nitrate is globally the most widespread and widely studied groundwater contaminant. However, few studies have been conducted in sub-Saharan Africa, where leaching potential enhanced during rainy monsoon phase. The monitoring found concentrations over drinking water standards of 10 mg N-NO3− L−1 groundwater, primary supply rural communities. Studies on nitrate movement are limited to volcanic Et...
Background and purpose: Hard ticks are the most important vectors of some diseases including babesios, theileriosis, and Crimean–Congo hemorrhagic fever that affect both animals and humans. Among the members of this family, Rhipicephalus bursa is one of the most important vectors of babesios and theileriosis in Iran and around the world. Therefore, detection of abundance and seasonal dynamics...
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Scarce farm land and water resources in the highland watersheds of northern Thailand coupled with multiple users have led to conflicts among stakeholders who play important roles in the system dynamics. Integrating companion modeling and multi-agent systems (MAS) can facilitate adaptive learning processes to result in a decentralized collective management strategy that meets the balanced needs ...
Scarce farm land and water resources in the highland watersheds of northern Thailand coupled with multiple users have led to conflicts among stakeholders who play important roles in the system dynamics. Integrating companion modeling and multi-agent systems (MAS) can facilitate adaptive learning processes to result in a decentralized collective management strategy that meets the balanced needs ...
Excessive soil loss and sediment yield in the highlands of Ethiopia are primary factors that accelerate decline land productivity, water resources, operation function existing infrastructure, as well management practices. This study was conducted at Finchaa catchment Upper Blue Nile basin to estimate rate erosion prioritize most sensitive sub-watersheds using Soil Water Assessment Tool (SWAT) m...
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