EMODnet Bathymetry. By Dick M.A. Schaap Coordinator. 20 th April 2016, EGU 2016, Vienna - Austria

Transcription

1 EMODnet Bathymetry By Dick M.A. Schaap Coordinator 20 th April 2016, EGU 2016, Vienna - Austria

2 EMODNet Bathymetry Ongoing in 3 consecutive projects since 2009 with expanding consortium (at present >30 partners) Consortium consisting of bathymetric and IT experts and data providers from National Hydrography Services, marine research institutes and SME s Overall objective: to bring together bathymetric surveys of European seas and to produce, publish and serve a harmonised and medium resolution Digital Terrain Model of all European seas

3 EMODNet Bathymetry consortium

4 Standards are instrumental Adoption of SeaDataNet standards and infrastructure SeaDataNet provides a set of common standards for the marine domain, adapting ISO and OGC standards and achieving INSPIRE compliance Adoption of ISO standard for describing metadata on data sets (surveys) and composite DTMs => marine metadata profiles, schema s, schematron rules Controlled vocabularies for the marine domain (> terms and > 60 lists), with international governance and web services Common SeaDataNet Data Policy and SeaDataNet License

5 Services and tools SeaDataNet provides: Set of tools to be used by each data centre and freely available from the SeaDataNet portal such as metadata editor, and download manager, online content management system Pan-European services for harmonised discovery, access, and visualisation through the SeaDataNet CDI service for data and the SeaDataNet Sextant service for data products

6 SeaDataNet as driver and contributing to many portals Total collection GEOSS portal Aggregated collection IODE ODP portal Data discovery And access Regional subsets Regional subsets Black Sea portal Caspian portal Geo-Seas portal > 100 data centres NODCs; HOs; GEOs; BIOs; ICES; PANGAEA Thematic subsets Thematic subsets Thematic subsets Bathymetry Physics > 500 European data originators CDI Data Discovery and Access service Thematic subsets Thematic subsets Chemistry Geology Biology

7 EMODnet Bathymetry: Common Methodology From local data to regional DTMs to EMODnet DTM

8 EMODNet Bathymetry Regional DTMs + IPMA

9 Common tool Use is made of common software for processing bathymetric data at local level and at regional level: GLOBE software as developed and provided by IFREMER

10 Use of GLOBE software Norwegian and Icelandic seas Arctic example

11 Process flow and services Adoption of SeaDataNet standards and services Common method and software (Globe) used by data providers and regional sea coordinators

12 Data gathering results Up till today, survey CDI metadata records from 27 data centres and 166 data originators from 1816 to 2016 have been collated and imported into the dedicated EMODnet Bathymetry CDI data discovery and access service. This service was launched in May 2010 and has been upgraded over time with extra functionality The SeaDataNet Data Products Catalogue service (Sextant) gives 46 metadata records about composite DTMs that have been used next to survey data sets

13 DTM generation results The gathered survey data and composite DTMs have been collated into regional EMODnet DTM s by regional working groups in a number of releases The regional DTMs have been integrated into the EMODnet DTM. The harmonized EMODnet DTM is made available for interactions and viewing as well as for downloading in 16 tiles in several formats via the Bathymetry Products portal service. The dedicated EMODnet Bathymetry Products portal has been launched in May It sits atop of the central DTM database and interacts with the CDI service and Sextant service and provides OGC WMS services. Over time more functionality has been added.

14 DTM releases in time May 2010: first release of EMODnet DTM for selected European seas - 1/4 * 1/4 arc minutes June 2011: second release of EMODnet DTM for more European seas - 1/4 * 1/4 arc minutes August 2012: third release of EMODnet DTM for more European seas - 1/4 * 1/4 arc minutes August 2013: fourth release of EMODnet DTM - 1/4 * 1/4 arc minutes February 2015: fifth release of EMODnet DTM now covering all European seas - 1/8 * 1/8 arc minutes September 2015: sixth release of EMODnet DTM now covering all European seas - 1/8 * 1/8 arc minutes + 3 pilot coastal areas with high resolution DTMs July 2016: seventh release of EMODnet DTM planned

15 Bathymetry Viewing and Download service with EMODnet DTM

16 DTM for European sea basins

17 CDI layer of survey data

18 CDI layer of survey data with metadata retrieval

19 Source references layer to survey data (CDI), composite DTM (Sextant) or GEBCO

20 Source references layer with retrieval of metadata

21 UKHO Wrecks database layer as WMS service (via OceanWise)

22 UKHO Wrecks database layer as WMS service (via OceanWise)

23 High Resolution DTMs for 3 pilot areas

24 Depth profile following user drawn transect

25 Download DTM tiles in various formats

26 Bathymetric DTM 3D-Viewer DTM loaded into 3D-Viewer as developed and freely downloadable from Geo-Seas, based upon NASA World Wind software

27 Bathymetric DTM 3D-Viewer DTM loaded into 3D-Viewer

28 Comparison with GEBCO GEBCO General Bathymetric Chart of the Oceans (IHO IOC) and EMODnet Bathymetry DTM example in Tyrrhenian Sea near Sicily Italy and South Italy resolution EMODnet is 16 times higher

29 Cooperation with GEBCO Cooperation and synergy with GEBCO: EMODnet uses GEBCO to cover gaps. GEBCO uses EMODnet to improve its DTM

30 Example of use Example of usage: SOCIB (Baleares Spain) use WMS as baselayer for display where marine observation instruments are deployed

31 Services CDI Data Discovery and Access service: WMS and WFS service: GetCapabilities vice=wms&request=getcapabilities Bathymetry Viewing and Downloading service: WMS: WFS: WMST: WCS: under development for downloading user drawn polygons

32 EMODNet Bathymetry next phase Expanding partnership to include more data, also from third parties through the new EMODnet Data Ingestion project Expanding coverage from open sea to include coastal areas (Possibly) increasing overall resolution Multi-resolution layer with HRDTM where released by owners 3D viewing without plug-in Innovation: Latest DTM uses > survey data sets and composite DTMs from 31 data providers from 18 countries and GEBCO_2015 Latest DTM contains data points ( rows x columns) Reaching the limit => developing cloud process around GLOBE for higher performance of computations and improved quality by more interaction between regions and extra viewing and qc services

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