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Results of the EMODnet Sea-basin Checkpoints: geology

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This presentation gives an overview of the results of the EMODnet Sea-basin Checkpoints (Arctic, Atlantic, Baltic, Black Sea, MedSea & North Sea) related to geology. The presentation was given by Nadia Pinardi, EMODnet Mediterranean Sea Checkpoint and associate tenure professor of Oceanography at Bologna University, at the EMODnet Sea-Basin Checkpoints Stakeholder Conference held on the 14-15 February 2017 in Brussels.

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Results of the EMODnet Sea-basin Checkpoints: geology

  1. 1. EMODnet Sea-basin Checkpoints Results Geology 1 http://www.emodnet.eu/ EMODnet Stakeholder Conference & Sea-basin Workshops 14-15 February 2017 Geology theme Nadia Pinardi MedSEa Checkpoint coordinator On behalf of all Checkpoints
  2. 2. EMODnet Sea-basin Checkpoints Results Geology 2 Geology? The EMODnet geology data available includes: sea-bed substrate sediment accumulation rate sea-floor geology bedrock lithology bedrock stratigraphy coastline migration mineral resources (oil and gas, aggregates, metallic minerals) geological events (earthquakes, submarine landslides, volcanic centres) The EMODnet Coastal mapping data will include: Coastline Legal baseline Intertidal area High resolution underwater Digital Terrain Model
  3. 3. EMODnet Sea-basin Checkpoints Results Geology 3 Which Checkpoint challenges require geology data? Windfarm siting Marine Protected Areas Coasts Wind Farm Siting Marine Protected Areas Oil Platform Leaks Climate Coasts Fishery Management Fishery Impacts Eutrophication River Inputs Bathymetry Alien Species
  4. 4. EMODnet Sea-basin Checkpoints Results Geology 4 What are the requested Challenge products? Wind Farm Siting Marine Protected Areas Coasts Determine the suitability of sites for development of a wind farm. All aspects should be considered - wind strength, seafloor geology, environmental impact, distance from grid, shipping lanes Analyse the existing network of marine protected areas and determine whether the network constitute a representative and coherent network as described in article 13 in the Marine Strategy Framework Directive. Calculate average annual sea-level rise per stretch of coast And average annual sediment balance (mass gained or lost per stretch of coast) for 10, 50 and 100 years.
  5. 5. EMODnet Sea-basin Checkpoints Results Geology 5 The Checkpoint methodology in general
  6. 6. EMODnet Sea-basin Checkpoints Results Geology 6 Checkpoints Results – General (1) Mediterranean Sea The input data sets used in this theme are several: coastal geomorphology, concentration of suspended particulate material in the water column, depositional environment, lithology, sedimentary structure. The quality elements indicators (coverage, resolution, accuracy, validity) for input data sets are dominantly “not adequate” and “partly adequate” A sediment mass balance product cannot be developed for any part of the basin mainly because the sediment mass flux from rivers is not known. Data are available only in scientific literature or very locally in a myriad of scattered non- homogeneous data sets.
  7. 7. EMODnet Sea-basin Checkpoints Results Geology 7 Checkpoints Results – General (2) Black Sea General geological maps exist but the resolution should be improved. There is a general lack of the sediment sea bed data. Atlantic Only 7 data entries related to geology datasets were recorded, which hampers reliable statistics. Most of them concern the coastline and two are about seabed sediments. The literature survey stressed insufficient resolution of the seabed substrate data. A wealth of sediment samples in analogue form are still unexploited. There is a lack of information on vertical land motion (see point on GPS measurements in physics/sea level section) (…) models will need to use finer grid resolutions to account for local effects, such as coastal evolution and sediment transport.
  8. 8. EMODnet Sea-basin Checkpoints Results Geology 8 Checkpoints Results – General (3) Baltic Finer seabed slope products are needed, especially for Wind farm siting There is a lack of sediment concentration observations in river discharge; Existing seabed sediment and substrate type data are useful in general wind farm siting assessment but not in refined wind farm siting design. North Sea On the scale of the North Sea basin, no sediment data was discovered that could enable calculation of annual sediment mass balance at the coast for each NUTS3 region. Indeed, any usable data for non-experts is rare, since those datasets that are available require expert processing. For example, geology data from EMODnet, OneGeology or the European Atlas of the Seas provided only a rough indication of sediments near the coast.
  9. 9. EMODnet Sea-basin Checkpoints Results Geology 9 General conclusion for “geology” In the Mediterranean and North Sea basins, a sediment mass balance estimation is not possible. Thus a monitoring gap exists for suspended material inputs from rivers, sediments quality distribution, geomorphology and lithology of the river/seabed and the coastal transport Critical actions are required to be undertaken in order to: 1) collect and assemble the scattered existing data sets on sediment quantity and quality at the coasts 2) develop new schemes for the sediment mass balance monitoring on the basis of satellite altimetry, multi- or hyper- spectral sensors, hydrological and sedimentological in situ monitoring integrated with coastal morphodynamics modelling and predictions.

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