Contents 1. Introduction 1.1. Dynamical water quality models 1.2. Types of dynamical water quality models 1.3. Levels of model complexity 1.4. Representation of spatial structure 2. Overview of water quality models for the catchment scale 3. Ecohydrological model SWIM – a short description 4. Selected SWIM applications in the Elbe basin 4.1. Case study basin and subbasins 4.2. Model calibration...

Wise and sustainable uses of water resources are essential for an effective river-basin-management planning. Recent management strategy further addresses the fact that quantity and quality of water are closely interrelated, and both must be considered simultaneously for all water resources and water quality management practices. The aim of this paper is to explore the impacts of water resources...

The U.S. Geological Survey (USGS) began an extensive groundand surfacewater quality study in July 1989 to define the baseline water quality within a southeastern Florida drainage district and to develop a data base for future waterresource planning and management. Results were published in a USGS report (Litzetz 1996), comparing groundand surface-water quality data (1989-94) to the Florida Depa...

quality properties of groundwater is one of the major components which can used for water resources management. in this study, spatial variability of groundwater quality for drinking uses (schoeller standards) and agricultural uses (wilcox standards) was investigated during 1387-1392.in this research, we use information of 24 observation wells in fasa plain, to investigate the spatial variabili...

In response to water quality and quantity issues within the Stroubles Creek watershed in Blacksburg, Virginia, a retrofit bioretention cell (BRC) was installed to collect and treat runoff from an existing parking lot. The BRC was completed in July 2007, and 28 precipitation events were monitored between October 2007 and June 2008. For each storm, inflow and outflow flow-weighted composite sampl...

main perennial rivers of gujarat, tapi, narmada, mahi and sabarmatiare meeting arabian sea in gulf of khambhat. the out flow of mahi river intothe sea is decreased due to construction of dams like bajaj sagar, kadana, panamand wanakbori weir. so, tidal effect of sea and sea water intrusion is beingincreased on landward side. moreover, due to erratic nature of rainfall andimproper management of ...