介紹並操作流域模式、水質模式、土地利用變遷模式、生態系服務評估模式，包括:Better Assessment Science Integrating Point and Non-point Sources (BASINS), Soil and Water Assessment Tool (SWAT), One-dimensional river and stream water quality model (QUAL2K), Water Quality Analysis Simulation Program (WASP), The Conversion of Land Use and its Effect at Small regional extent (CLUE-s), The Integrate Valuation of Ecosystem Services and Tradeoffs Tool (InVEST)等。