نتایج جستجو برای: swat model

تعداد نتایج: 2105528  

2016
Awoke Dagnew Teshager Philip W Gassman Silvia Secchi Justin T Schoof Girmaye Misgna

Applications of the Soil and Water Assessment Tool (SWAT) model typically involve delineation of a watershed into subwatersheds/subbasins that are then further subdivided into hydrologic response units (HRUs) which are homogeneous areas of aggregated soil, landuse, and slope and are the smallest modeling units used within the model. In a given standard SWAT application, multiple potential HRUs ...

2010
Manoj Jha Calvin F. Wolter Keith E. Schilling Philip W. Gassman

This supplemental material section contains detailed information on the input data assumptions for the SWAT modeling as well as the model calibration and validation results. The data sources listed in Supplemental Table 1 were used to build the SWAT TMDL modeling system for the Raccoon River watershed, most of which are accessible in the Iowa Department of Natural Resources (IDNR) on-line digit...

2015
Feras M. Ziadat Yeganantham Dhanesh David Shoemate Raghavan Srinivasan Balaji Narasimhan Jaclyn Tech

The spatial distribution of surface and subsurface soil attributes is an important input to environmental modeling. Soil attributes represent an important input to the Soil and Water Assessment Tool (SWAT), which influence the accuracy of the modeling outputs. An ArcGIS-based tool was developed to predict soil attributes and provide inputs to SWAT. The essential inputs are digital elevation mod...

2014
Mehmet B. Ercan Jonathan L. Goodall

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...

Journal: :Journal of burn care & research : official publication of the American Burn Association 2016
Manish Kumar Saraf David N Herndon Craig Porter Tracy Toliver-Kinsky Ravi Radhakrishnan Tony Chao Maria Chondronikola Labros S Sidossis

Severe burn injury produces a plethora of metabolic abnormalities which contribute to the prolonged morbidity of burn survivors. The authors have recently demonstrated trans-differentiation of white adipose tissue (WAT) after burn trauma, toward a more thermogenic phenotype. However, the impact of burn injury on subcutaneous WAT (sWAT) morphology in humans is unknown. Here, the authors studied ...

Journal: :Environmental Modelling and Software 2016
Yihun T. Dile Prasad Daggupati Chris George Raghavan Srinivasan Jeffrey G. Arnold

The Soil and Water Assessment Tool (SWAT) model is a robust watershed modeling tool. It typically uses the ArcSWAT interface to create its inputs. ArcSWAT is public domain software which works in the licensed ArcGIS environment. The aim of this paper was to develop an open source user interface for the SWAT model. The interface, QSWAT, is written in the Python programming language and uses vari...

Journal: :Advances in Engineering Software 2009
Mehmet C. Demirel Anabela Venancio Ercan Kahya

0965-9978/$ see front matter 2008 Elsevier Ltd. A doi:10.1016/j.advengsoft.2008.08.002 * Corresponding author. Present address: Civil Eng ican University of Sharjah, P.O. Box 26666, Sharjah, U E-mail addresses: [email protected] ( edu.tr, [email protected] (E. Kahya). URL: http://atlas.cc.itu.edu.tr/~kahyae (E. Kahya). 1 Present address: Department of Water Engineering of Twente, P.O. Box...

Journal: :Journal of environmental quality 2014
C Santhi J G Arnold M White M Di Luzio N Kannan L Norfleet J Atwood R Kellogg X Wang J R Williams T Gerik

A modeling framework consisting of a farm-scale model, Agricultural Policy Environmental Extender (APEX); a watershed-scale model, Soil and Water Assessment Tool (SWAT); and databases was used in the Conservation Effects Assessment Project to quantify the environmental benefits of conservation practices on cropland. APEX is used to simulate conservation practices on cultivated cropland and Cons...

2000
T. W. FitzHugh D. S. Mackay

The accuracy of agricultural nonpoint source pollution models depends in part on how well model input parameters describe the relevant characteristics of the watershed. The spatial extent of input parameter aggregation has previously been shown to have a substantial impact on model output. This study investigates this problem using the Soil and Water Assessment Tool (SWAT), a distributed-parame...

2015
Mattijs M. Heemskerk Martin Giera Fatiha el Bouazzaoui Mirjam A. Lips Hanno Pijl Ko Willems van Dijk Vanessa van Harmelen

Obese women with type 2 diabetes mellitus (T2DM) have more inflammation in their subcutaneous white adipose tissue (sWAT) than age-and-BMI similar obese women with normal glucose tolerance (NGT). We aimed to investigate whether WAT fatty acids and/or oxylipins are associated with the enhanced inflammatory state in WAT of the T2DM women. Fatty acid profiles were measured in both subcutaneous and...

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