Links
- International Association of Hydrogeologists: iah.org
- International Hydrological Programme, UNESCO https://www.unesco.org/en/ihp
- Salt Water Intrusion Meeting http://www.swim-site.nl/
- Isotope Hydrology Section, IAEA: https://www.iaea.org/about/organizational-structure/department-of-nuclear-sciences-and-applications/division-of-physical-and-chemical-sciences/isotope-hydrology-section
- USGS https://www.usgs.gov/mission-arUSGSeas/water-resources/science/modflow-and-related-programs
- MODFLOW https://www.usgs.gov/mission-areas/water-resources/science/modflow-and-related-programs
- FREEWAT http://www.freewat.eu/
- Symple https://hydrosymple.com/
- Acque Sotterranee: https://www.acquesotterranee.net/acque
- British Geological Survey (BGS) – Groundwater: https://www.bgs.ac.uk/geology-projects/groundwater/
- International Groundwater Resources Assessment Centre (IGRAC): https://www.un-igrac.org/
- The Groundwater Project: https://gw-project.org
- Groundwater Hydrology Group: https://www.h2ogeo.upc.edu