GeoERA RESOURCE CHAKA Deliverable 5.1 - 5.7 5.1 Karst typology in Europe: state of the art, 5.2 Detailed conceptual hydrogeological models for pilot areas, 5.3 Karst Typology Tool, 5.4 Groundwater management recommendations for karst and chalk aquifers. 5.5 Pilot area database. 5.6 Treatment tool 5.7 XLKarst tool