نتایج جستجو برای: مدل هیدرولوژیکی swat
تعداد نتایج: 122921 فیلتر نتایج به سال:
تجارت آب مجازی، در بخشهای صنعتی، کشاورزی و اجتماعی و در سطوح مختلف کشوری و جهانی قابلبررسی است. در پژوهش حاضر، آب مجازی در بخش آبیاری و در مقیاس درونحوزهای، در حوضه آبریز سفیدرود ارزیابی شد تا نتایج آن در تخصیص منابع آب حوضه مورداستفاده قرار گیرد. بر این اساس هشت الگوی کشت (S1- S8) در حاشیه رودخانه قزلاوزن (استانهای زنجان و آذربایجان شرقی) طی سالهای 1404-1380 توسط مدل SWAT ارزیابی شد. در...
This paper proposes and evaluates a decentralized self-healing mechanism that detects and recovers from wormhole attacks in wireless multi-hop sensor networks. Upon detecting a wormhole attack, the proposed mechanism, called SWAT, identifies the locations of malicious nodes (or wormhole nodes), isolates them from the network and recovers the routing structure distorted by them. SWAT is the firs...
Calibration of large watershed models requires multi-gage calibration, however there are limited tools available for performing these calibrations of SWAT models. Non-Dominated Sorting Genetic Algorithm II (NSGA-II) has been shown to be an effective and efficient multi-objective calibration algorithm in various disciplines. Although NSGA-II has been used with SWAT before, there is no publically...
This study explored the application of a multi-objective evolutionary algorithm (MOEA) and Pareto ordering in the multiple-objective automatic calibration of the Soil and Water Assessment Tool (SWAT). SWAT was calibrated in the Calapooia watershed, Oregon, USA, with two different pairs of objective functions in a cluster of 24 parallel computers. The non-dominated sorting genetic algorithm (NSG...
The accurate simulation of SWAT can assist the government in making correct decisions about water management practices, which are important for human health, agricultural management, industry development, environmental quality, flood risk assessment, and recreation. In this project, the PIs were trying to improve the simulation accuracy of the SWAT model through developing new algorithm to obta...
Aggressive scaling of CMOS transistors has enabled extensive system integration and building faster and more efficient systems. On the flip side, this has resulted in an increasing number of devices that fail in shipped components in-the-field for a variety of reasons including soft errors, wear-out failures, and infant mortality. The pervasiveness of the problem across a broad market demands l...
Zinc-α2-glycoprotein (ZAG) plays an important role in the regulation of body weight, body fat, and glucose metabolism. In this study, we first measured ZAG levels in serum and ZAG mRNA levels in subcutaneous white adipose tissue (sWAT) among overweight/obese patients and lean control subjects. Second, we investigated the effects of ZAG administration on the body weight, body fat and glucose met...
تغییر در سیاست و نوع استفاده از عرصه های طبیعی کشور مشکلی است که از گذشته های دور گریبان گیر کشورهای در حال توسعه و به ویژه ایران شده است. شیوه های بهره برداری اراضی، تخریب مناطق جنگلی و مرتعی، رهاسازی اراضی و توسعه مناطق مسکونی از جمله عواملی هستند که بر شدت جریان، شدت فرسایش و تولید رسوب منطقه اثر می گذارند. به همین دلیل آگاهی از میزان اثر تغییرات کاربری اراضی بر روی دبی و بار معلق یک ضرورت ا...
[1] Impact of climate change on streamflow in the Upper Mississippi River Basin is evaluated by use of a regional climate model (RCM) coupled with a hydrologic model, Soil and Water Assessment Tool (SWAT). The RCM we used resolves, at least partially, some fine-scale dynamical processes that are important contributors to precipitation in this region and that are not well simulated by global mod...
Reliable water quality models are needed to forecast the water quality consequences of different agricultural nutrient management scenarios. In this study, the Soil and Water Assessment Tool (SWAT), version 2000, was applied to simulate streamflow, riverine nitrate (NO(3)) export, crop yield, and watershed nitrogen (N) budgets in the upper Embarras River (UER) watershed in east-central Illinois...
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