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Service Description: Karst aquifers constitute important freshwater resources, but are challenging to manage and to protect, because of their unique hydraulic structure and behaviour, representing continuous challenges for research and development. Karst aquifers are widespread and contribute to freshwater supply of most Mediterranean countries and many cities are supplied by karst water, e.g., Rome, Vienna, Montpellier and Beirut. These land surfaces correspond to the main recharge zones of karst aquifers, which are often hydraulically connected over large areas and are highly vulnerable to contamination. The preparation of the Mediterranean Karst Aquifer Map (MEDKAM) generally followed the workflow used for the World Karst Aquifer Map (WOKAM). A new lithological classification has been developed for the MEDKAM, similar to that of the WOKAM, which groups the geological units into four meaningful hydrogeological units: 1). Karst aquifers in sedimentary and metamorphic carbonate rocks. 2). Karst aquifers in evaporite rocks. 3). Various hydrogeological settings in other sedimentary and volcanic formations (karst aquifers are possibly present at depth). 4). Local, poor and shallow aquifers in other metamorphic rocks and igneous rocks (no karst aquifers present at depth).

Map Name: Mediterranean Karst Aquifer Map (MEDKAM)

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Layers:

• Selected karst water sources, caves and karst groundwater dependent ecosystems (KGDE) (0)
  • Karst spring (1)
  • Submarine karst spring (2)
  • Cave system (3)
  • Karst groundwater dependent ecosystem (KGDE) (4)
  • Karst groundwater dependent ecosystem (KGDE) with spring (5)
  • Karst groundwater dependent ecosystem (KGDE) with cave system (6)
• Border between exposed and non-exposed karst aquifer (7)
• Sea level of the Mediterranean Sea (during the Messinian Salinity Crisis (7.25 – 5.3 million years before present), as documented by sediments (8)
• Karstifiable rocks and others (9)

Description:

Copyright Text: (C) BGR: 2023

Spatial Reference: 102100  (3857)


Single Fused Map Cache: false

Initial Extent:

XMin: 1461778.5734033524
YMin: 4325040.463473
XMax: 2910375.2205966474
YMax: 5325167.463727001
Spatial Reference: 102100  (3857)

Full Extent:

XMin: -1057083.6532999985
YMin: 2988771.592700001
XMax: 5429237.447299998
YMax: 6661436.3345
Spatial Reference: 102100  (3857)

Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info:

Title: Map
Author:
Comments:
Subject:
Category:
Keywords: Groundwater Resources,Grundwasser,Mediterranean,Geology,Karst,Mittelmeer,Groundwater,Hydrogeology,Geologie,Hydrogeologie,Aquifer,Grundwasservorkommen
AntialiasingMode: None
TextAntialiasingMode: Force

Supports Dynamic Layers: true

MaxRecordCount: 2000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true



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