Sensitivity and uncertainty analysis for river quality modelling
نویسندگان
چکیده
منابع مشابه
Sensitivity and Uncertainty Analysis for River Water Quality Modelling
Uncertainty analysis for model simulations is assuming a growing importance in the field of water quality management. The importance of this concern is provided by recent public awareness over health risks from improper disposal of toxic wastes as well as by the continuing emphasis on risk assessment. The first step in the chain of the risk assessment is the quantification of the error in predi...
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Recently the European Union has approved the EU Water Framework Directive (EU-WFD). This directive claims that by the end of 2015 a “good status of surface water“ and a “good status of groundwater” should be achieved (EU, 2000). To that end, the EU-WFD provides several guidelines for monitoring the water bodies, leaving the practical implementation to the local governments. Each region has to d...
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چکیده با توسعه شهر نشینی و دخل و تصرف غیر مجاز در حریم رودخانه ها خسارات زیادی به رودخانه و محیط زیست اطراف آن وارده می شود. در حال حاضر بر اساس آئین نامه اصلاح شده بستر و حریم رودخانه ها، حریم کمی رودخانه که بلافاصله پس از بستر قرار می گیرد از 1 تا20 متر از منتهی الیه طرفین بستر رودخانه تعیین، که مقدار دقیق آن در هر بازه از رودخانه مشخص نیست. در کشورهای دیگر روشهای متفاوتی من جمله: درصد ریسک...
15 صفحه اولSensitivity and uncertainty analysis in spatial modelling based on GIS
Uncertainty analysis (UA) and Sensitivity analysis (SA) are prerequisites for model building. UA aims to quantify the overall uncertainty associated with the model response as a result of uncertainties in the model input. SA studies how the variation in the model output can be apportioned to different sources of variations. Both UA and SA have been successfully applied in many different fields....
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Water quality modelling in small rivers is often considered unworthy from a practical and economic viewpoint. This paper shows instead that a simple model structure can be set up to describe the stationary water quality in small river basins in terms of carbon and nitrogen compounds, when the use of complex models is unfeasible. In short rivers point and nonpoint sources play a key role in shap...
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ژورنال
عنوان ژورنال: Journal of Hydroinformatics
سال: 2004
ISSN: 1464-7141,1465-1734
DOI: 10.2166/hydro.2004.0008