0000000000364828

AUTHOR

Jaanus Terasmaa

0000-0002-1346-6411

showing 2 related works from this author

Contribution of local factors to the status of a groundwater dependent terrestrial ecosystem in the transboundary Gauja-Koiva River basin, North-East…

2021

Abstract A pilot study was carried out in the Matsi spring fen, southern Estonia to test a proposed methodology ( Terasmaa et al., 2020 ) for identifying potential effects of groundwater bodies on groundwater dependent terrestrial ecosystems (GDTE). A comprehensive hydrochemical and isotopic dataset was collected and analyzed using multivariate statistical methods to assess the origin of the groundwater discharging in the spring fen and to determine both the quantitative and qualitative aspects of GDTE-groundwater interdependence. The hydrochemical findings were complemented with the hydrogeological, hydrodynamical and botanical observations, and summarized into a conceptual model of the st…

Hydrologygeographygeography.geographical_feature_categoryHydrogeologySpring (hydrology)Drainage basinEnvironmental scienceContext (language use)AquiferTerrestrial ecosystemGroundwaterWater Science and TechnologyGroundwater-dependent ecosystemsJournal of Hydrology
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Joint Methodology for the Identification and Assessment of Groundwater Dependent Terrestrial Ecosystems in Estonia and Latvia

2020

Dynamic interactions between ground- and surface water are widely known, but the role of groundwater in terrestrial and aquatic ecosystems is often poorly understood and documented due to the spatiotemporal complexity. Many countries have not yet completed the assessment of groundwater dependent ecosystems (GDEs). GDEs are valuable ecosystems that depend on groundwater input and can not be considered and assessed separately. Changes in the quantity and chemical composition of groundwater recharge may result in significant and permanent damage on GDE flora and fauna. Aquifers are dynamic systems which are not subject to administrative boundaries and borders, therefore should be managed in cl…

geographygeography.geographical_feature_categoryAquiferGroundwater rechargeGDESWater Framework DirectiveEnvironmental sciencemedia_common.cataloged_instanceEuropean unionWater resource managementSurface waterGroundwatermedia_commonGroundwater-dependent ecosystems
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