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16.10.2013
The Shelf Geo-Explorer –Marine Geology for MSP and Offshore Projects
16.10.2013
30.04.2013 Dr. Manfred Zeiler 2
The Seabed
• Ecology: benthic habitat, fluxes of matter• Resource: oil and gas, marine aggregates• Soil: foundation of offshore installation
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16.10.2013 Dr. Manfred Zeiler 3
Shelf Geo-Explorer
"Shelf Geo-Explorer"Marine and engineering geology of the
German North Sea and the Baltic
R&D projects Cooperation with agencies Management of the Oceans
Reports GeoSeaPortal:SGE Web Services
intern Public
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Shelf Geo-Explorer
File-based geodatabase for vector data• module „Survey“ • module „Seabed Sediments“• module „Subsurface Sediments“• module „Morphodynamics“
Raster database• Backscatter mosaics of SSS and MBES• Datasets from geostatistical interpolation
Geotechnical database• Corings• Cone penetration testings
ArcGIS GeODin Gismo + Davit GSI3D
SHELF GEO-EXPLORER
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Shelf Geo-Explorer: Bathymetry
North Sea: R&D „AufMod“ Baltic Sea: BSH-IOW
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AufMod: Morphodynamics
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Confidence in spaceConfidence in timeTopography
Resolution: 50 m
AufMod: Morphodynamics
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Changes in bathymetries along the North Sea coast from 1948 unitl 2012
AufMod: Morphodynamics
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Morphodynamic SpaceDifference between the shallowest and deepest water depth at each point
AufMod: Morphodynamics
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AufMod: Seabed Sediments
Data sources:DE: AufMod surveys, BSH, SaM, HZG, BfG; BE: MUMM; DK: GEUS; UK: BGS; NL: TNO, Sedimentatlas Waddenzee; NO: NGU
Wei
ght-
%
Diameter [µm]
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AufMod: Seabed Sediments
Median of grain size
hydrodynamic parameter (critical bed shear stress) has been used for the interpolation
16.10.2013 Dr. Manfred Zeiler 12
AufMod: Seabed Sediments
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AufMod: Sediment Transport
Transport [ ln(m³/m/yr) ]
16.10.2013 Dr. Manfred Zeiler 14
GPDN: Seabed Sediments
Sediment Types(FOLK classification)
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GPDN: Seabed Sediments
Sediment Types(FIGGE classification)
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GPDN: Seabed Sediments
Potential for liquefaction
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Soil Types acc. DIN 18196 from 0 to 5 m from the sea floor
Geotechnical Soil Types
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Geotechnical Soil Types
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Subsurface Geology (3D)
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BSH-IOW: Seabed Sediments (2012)
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BSH-IOW: Subsurface Geology
Depth and thickness of different geological units below seabed•Mud•Glacial till•Clay
Source: IOW (W. Lemke)
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EMODNet Geology (2009-2011)
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Cooperation BfN - BSH
AWZ: ca. 4.500 km²
Natura 2000: ca. 1.800 km²
strittiges Gebiet mit Polen
AWZ: ca. 28.500 km²
Natura 2000: ca. 7.300 km²
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Full-Coverage Mapping: Methods
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Full-Coverage Mapping : Soil Types
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Full-Coverage Mapping: High Resolution
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Cooperation between geologists and benthic biologis ts
BSH (Geology)Alfred-Wegener-Institut, Außenstelle List (Sylt)Christian-Albrechts-Universität zu Kiel, Institut für GeowissenschaftenLeibniz-Institut für Ostseeforschung, Warnemünde, Marine GeologieSenckenberg am Meer, WilhelmshavensowieLandesamt für Landwirtschaft, Umwelt und ländliche Räume S-H
BfN (Biology)Leibniz-Institut für Ostseeforschung, WarnemündeAlfred-Wegener-Institut, BremerhavenBioConsult Schuchardt & Scholle GbR
Full-Coverage Mapping: Implementation
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Shelf Geo-Explorer
Data Portals
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Data Portals
http://www.bsh.de/de/Meeresdaten/Geodaten/index.jsp
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Data Portals
http://www.mdi-de.org/mdi-portal/ui
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Data Portals
www.geopotenzial-nordsee.de/Nordsee/DE/Home/nordsee_node.html
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Maps
www.bsh.de/de/Produkte/Karten/Geologische_Karten/index.jsp
