نتایج جستجو برای: swat cup
تعداد نتایج: 13959 فیلتر نتایج به سال:
distribution of water vapor in the atmosphere of the room poultry houses is usually an effective and economical solution to reduce heat stress of the chickens. experimental studies were conducted in a small saloon located in the farm machinery department of shiraz university. the rotary cup fogging system consisted of a cup which was derived by dc motor. rotational speed of the cup caused the w...
In this paper we introduce a new algorithm for assigning sensors and weapons to targets in the dynamic environment, where sensors, weapons, and targets are allowed to move freely (but predictably) over a certain region of a battlefield. In addition, we determine when such an assignment should be executed. This new algorithm for Sensors/Weapons And Targets pairings is named SWAT. In SWAT the opt...
Understanding the hydrological process associated with Land Use/Land Cover (LU/LC) change is vital for decision-makers in improving human wellbeing. LU/LC significantly affects hydrology of landscape, caused by anthropogenic activities. The scope this study to investigate impact on Upper Baro Basin years 1987, 2002, and 2017. Soil Water Assessment Tool (SWAT) model was used simulation streamflo...
Results of modelling studies for the evaluation of water quality impacts of agricultural conservation practices depend heavily on the numerical procedure used to represent the practices. Herein, a method for the representation of several agricultural conservation practices with the Soil and Water Assessment Tool (SWAT) is developed and evaluated. The representation procedure entails identifying...
The Pukhtun of Swat in Northern Pakistan refer to Islam to justify the local practice of polygamy and female subordination. However, a survey of Islamic law shows its intent is far more egalitarian than Pukhtun practice. Using a mixture of case studies and statistical evidence, this paper argues that in Swat husbands take second wives mainly in a spirit of revenge, reflecting the endemic hostil...
This study assessed the impact of potential climate change on the nutrient loads to surface and sub-surface waters from agricultural areas and was conducted using the Soil and Water Assessment Tool (SWAT) model. The study focused on a 3500 km2 catchment located in northern England, the Yorkshire Ouse. The SWAT model was calibrated and validated using sets of five years’ measurements of nitrate ...
تغییرات کاربری موجب تغییر مؤلفههای مختلف چرخه هیدرولوژیکی و افزایش و یا کاهش مقادیر رواناب می شوند. هدف از این تحقیق بررسی پاسخ هیدرولوژیکی حوزه آبخیز قزاقلی در پاسخ به تغییر کاربری اراضی متناظر آن است. بدین صورت بعد از تغییر نوع کاربری در محیط gis ، چهار سناریو مدیریتی در دو جهت گرایش مثبت و منفی به مدل معرفی گردید و بعد از هر اجرای مدل خروجی مدل استخراج و با در نظر گرفتن تابع هدف ناش- ساتکلی...
This study assessed fecal coliform contamination in the Wachusett Reservoir Watershed in Massachusetts, USA using Soil and Water Assessment Tool (SWAT) because bacteria are one of the major water quality parameters of concern. The bacteria subroutine in SWAT, considering in-stream bacteria die-off only, was modified in this study to include solar radiation-associated die-off and the contributio...
در این پژوهش، تأثیر بهرهبرداری و جادهسازی جنگل بر تولید رواناب سطحی و بار رسوب حوزۀ ذیلکیرود بررسی شد. از مدل SWAT،SWAT-CUP و الگوریتم SUFI-2 در شبیهسازی رواناب و بار رسوب و بهینهسازی پارامترهای این مدل و تعیین حساسیت پارامترهای مدل در حوزۀ آبخیز ذیلکیرود استفاده شد. مقادیر تابع هدف ضرایب NS و برای مرحلۀ واسنجی رواناب بهترتیب 72/0 و 88/0و برای مرحلۀ اعتبارسنجی آن 83/0 و 89/0 و این ضرایب...
introduction simulations of river flow and understanding different components of hydrologic cycle are important for programming of the conservation aspects of water resources. since the study area is located in the site of dam construction, the estimation of rainfall runoff and sediment yield are very important for better management of water resources. therefore, in this study, the swat model w...
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