ABSTRACT
Organisation DAG Directed Acyclic Graph DELINEATE a UGROW component used for determining catchment areas DHI Danish Hydraulic Institute DHI-WASY GmbH the German branch of the DHI group DSS Decision Support System DTM Digital Terrain Model ESI Environmental Systems International EU the European Union FEFLOW® a finite-element groundwater model GEOLOGY a UGROW component used for handling geological layers GEOSGEN UGROW algorithm for generation of 3D solids GIS Geographical Information System GO Graphical Objects GRID a GIS reference for handling data GROW UGROW simulation model of groundwater flow GTA Greater Toronto Area GUI graphical user interface HSPF Hydrologic Simulation Program – Fortran ICU Intermediate Confining Unit IHP UNESCO’s International Hydrological Programme ISGW Integrated Surface water Ground Water software IWRM Integrated Water Resources Management MESHGEN UGROW algorithm for mesh generation MKL Middle Gravel Layer
MODFLOW a finite-difference groundwater simulation model MODFLOW-SURFACT a model which incorporates flow in the unsaturated
zone, delayed yield, and vertical flow components MODPATH a 3D particle-tracking model MS-Access a database software MT3D a 3D contaminant transport model NAPL non-aqueous phase liquid NEIMO Network Exfiltration and Infiltration Model OKL Upper Gravel Layer OROP Optimized Regional Operations Plan PEST parameter estimation and automatic calibration
software code POSI a purpose-designed unsaturated zone model PSLG Planar Straight Line Graph QA Older Quaternary SAS Surficial Aquifer System SDI SDI Environmental Services, Inc., a hydrological
consulting services firm SEAWAT a 3D, variable-density, transient groundwater flow
model SEWNET part of WATER which handles urban drainage SI International System of units SLeakI a purpose-designed unsaturated zone model STREAMNET part of WATER which handles urban streams TIN Triangular Irregular Network UFAS Upper Floridan Aquifer System UFIND UGROW algorithm for assigning sources of recharge to
individual mesh elements UGROW Urban GROroundWater modelling system UL_FLOW a purpose-designed unsaturated zone model UNSAT UGROW simulation model of flow in unsaturated zone USDA-SCS United States Department of Agriculture-Soil
Conservation Service USGS United States Geological Survey UTM Universal Transverse Mercator UVQ Urban Volume and Quality model UWP Urban Water Programme WATER a UGROW component used for operating all water
systems WATNET part of WATER which handles water supply systems W-E West-East
