- SepHydro for hydrograph separation [using 11 algorithms];
- ETCalc for the estimation of evapotranspiration forms [using 8 methods];
- SWIB for crop water stress, soil water balance, irrigation requirements and impact on aquifer storage;
- SNOSWAB for soil water content and soil water balance;
- GWRech for groundwater recharge (Water Table Fluctuation method);
- TotPrePart for precipitation partitioning into snowfall and rainfall.
Free Software
Groundwater Modelling Tools
- GSI Environmental – e.g. Excel tools for contamination hydrogeology.
- SERDP & ESTCP Simple tools for contamination hydrogeology.
- US EPA search
- Hydrus-1D for unsaturated zone
Online groundwater tools (calculators)
- Calculators (GroundwaterSoftware.com)
- HTS – Hydrology Tool Set – tools and models for hydrograph separation, evapotranspiration, soil water content and budget, irrigation and aquifer storage, groundwater recharge and precipitation partitioning.1)
- Contamination Assessment and Site management Tool (CAST) – New complex tool focused on BTEX and steady-state plumes. Free registration.
- The fluid flow calculations (Ken Edwards, LMNO Engineering)
- pH calculator (aqion)
- Dissolved oxygen solubility tables (DOTABLES)
- INOWAS DSS – Free web-based modeling platform for planning, management and optimisation of Managed Aquifer Recharge (MAR)
- ESlog – free online borehole profile
Excel Add-ins for data processing
Microsoft Power Query for Excel (in Excel 2016 and later – available directly: Data → Get & Transform Data):
cross table (pivot table) to list (normalization) – details.
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