نتایج جستجو برای: swat مولفههای جریان

تعداد نتایج: 40543  

2005
Pipat Reungsang Ramesh S. Kanwar Manoj Jha Philip W. Gassman Khalil Ahmad Ali Saleh

A validation study has been performed using the Soil and Water Assessment Tool (SWAT) model with data collected for the Upper Maquoketa River Watershed (UMRW), which drains over 16,000 ha in northeast Iowa. This validation assessment builds on a previous study with nested modeling for the UMRW that required both the Agricultural Policy EXtender (APEX) model and SWAT. In the nested modeling appr...

ژورنال: :مهندسی عمران مدرس 2015
محمد حسین کوچک زاده فرزین نصیری صالح

در این مقاله، کارایی استفاده از نتایج شبیه سازی جریان آب سطحی در افزایش دقت شبیه سازی جریان آب زیرزمینی بررسی شده است. از مهمترین ورودی های شرایط مرزی در شبیه سازی جریان آب زیرزمینی مقادیر تغذیه، تبخیر و تعرق و نحوه توزیع آنها در منطقه می باشد که همواره اطلاعات کمی از آنها در دسترس است. تعریف نادرست از این مقادیر در شبیه سازی آبخوان منجر به کاهش دقت و عدم کارایی مدل در مدیریت منابع آب زیرزمینی ...

Journal: :Archives of dermatology 2002
Seth R Stevens Malcolm S Ke Eileen J Parry Julie Mark Kevin D Cooper

OBJECTIVE To develop a quantitative tool to assess severity of mycosis fungoides. DESIGN Prospective analysis of a cohort. SETTING University department of dermatology-based cutaneous lymphoma clinic. PATIENTS From 1984 to 1995, 1186 visits from 323 referred patients seen in a multidisciplinary cutaneous lymphoma program. MAIN OUTCOME MEASURES Severity-weighted assessment tool (SWAT) sc...

2008
Fayez A. Abdulla Tamer Eshtawi

Prediction of sediment yield from catchments is essential in the investigation of reservoir sedimentation and other hydrological and geological studies. Many methods have been used in the prediction of sediment yield. Soil and Water Assessment Tool (SWAT) is a newly developed model that can be applied to rural watershed. SWAT model has used Modified Universal Soil Loss Equation (MUSLE) in sedim...

2015
Ilja L. Kruglikov

Microscopic peculiarities stemming from a temperature increase in subcutaneous adipose tissue (sWAT) after applying a radio-frequency (RF) current, must be strongly dependent on the type of sWAT. This effect is connected with different electrical conductivities of pathways inside (triglycerides in adipocytes) and outside (extra-cellular matrix) the cells and to the different weighting of these ...

2014
Adeniyi G. Adeogun Bolaji F. Sule Adebayo W. Salami Michael O. Daramola

Estimation of water yield and water balance in a river catchment is critical to the sustainable management of water resources at watershed level in any country. Therefore, in the present study, Soil and Water Assessment Tool (SWAT) interfaced with Geographical Information System (GIS) was applied as a tool to predict water balance and water yield of a catchment area in Nigeria. The catchment ar...

2017
Xianyong Meng Hao Wang Xiaohui Lei Siyu Cai Hongjing Wu Xiaonan Ji Jianhua Wang

Original scientific paper Hydrological simulation in meteorological ungauged areas has always been a difficult problem for the study on atmospheric and hydrological coupling; meanwhile, it is also one of the important factors that restrict model development and basin water resource knowledge. To analyze the mechanism of atmospheric and hydrological coupling, this study quantitatively evaluated ...

Journal: :Journal of environmental quality 2014
Philip W Gassman Ali M Sadeghi Raghavan Srinivasan

The Soil and Water Assessment Tool (SWAT) model has emerged as one of the most widely used water quality watershed- and river basin-scale models worldwide, applied extensively for a broad range of hydrologic and/or environmental problems. The international use of SWAT can be attributed to its flexibility in addressing water resource problems, extensive networking via dozens of training workshop...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده علوم کشاورزی 1389

اجزای هیدرولوژیکی مورد استفاده در این تحقیق عبارتند از داده های کوچک مقیاس شده بارش و دمای خروجی مدل چرخش عمومی cgcm3 . به بیان دیگر داده های بارش و دمای کوچک مقیاس شده مدل cgcm3 به عنوان ورودی مدل هیدرولو‍یکی swat با هدف شبیه سازی جریان مورد استفاده قرار گرفته است. مدل swat یک مدل هیدرولوژیکی برای پیش بینی و بررسی تاثیر روش های مدیریتی متفاوت بر جریان، رسوب و عناصر شیمیایی در حوضه های با خاک، ...

2005
R. Jayakrishnan R. Srinivasan C. Santhi J. G. Arnold

Developments in computer technology have revolutionized the study of hydrologic systems and water resources management. Several computer-based hydrologic/water quality models have been developed for applications in hydrologic modelling and water resources studies. Distributed parameter models, necessary for basin-scale studies, have large input data requirements. Geographic information systems ...

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