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Integrated planning on hydrogeophysical data on a national scale: From processing, interpretation and storage to visualisation Ingelise Møller, Flemming.

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Presentation on theme: "Integrated planning on hydrogeophysical data on a national scale: From processing, interpretation and storage to visualisation Ingelise Møller, Flemming."— Presentation transcript:

1 Integrated planning on hydrogeophysical data on a national scale: From processing, interpretation and storage to visualisation Ingelise Møller, Flemming Jørgensen, Verner H. Søndergaard Geological Survey of Denmark and Greenland, Denmark Esben Auken Department of Earth Sciences, University of Aarhus, Denmark

2 Outline Motivation Integrated system for management of data –The system –The geophysical database GERDA –The borehole database Jupiter –The program package Aarhus Workbench –The 3D visualisation program Geoscene3D Summary

3 Motivation Groundwater mapping on a national scale –Areas with special drinking water interests are mapped with respect to resources and protection –These areas cover 40 % (17.500 km 2 ) of Denmark

4 Motivation Groundwater mapping on a national scale –Areas with special drinking water interests are mapped with respect to resources and protection –These areas cover 40 % (17.500 km 2 ) of Denmark –The mapping programme started in 1999 and will run until about 2015 –The programme is financed by a fee of 3 cents pr m 3 of consumed water –The total cost is about 200 million Euro –Of this is spent for about 50 million Euro on geophysical mapping –The programme was administrated by the counties till 2007 and now by 7 local offices of The Agency for Spatial and Environmental Planning (Ministry of the Environment) –The main part of the work is carried out by private companies

5 Motivation TEM data Data are collected by ground based systems since 1993 Data are collected by the airborn SKYTEM system since 2003 TEM data cover 10,585 km 2

6 Motivation PACES data Data are collected by a mobile resistivity system 1200 km PACEP data are collected until 1998 8700 km PACES data are collected since 1998 The data cover about 2500 km 2

7 Motivation CVES data Data are typical collected with 5 m electrode spacing 3600 km CVES data are collected

8 Motivation Seismic data Data are collected with high resolution seismic systems About 1300 km of seismic data are collected

9 Motivation All data TEM PACES MEP Seismics

10 Integrated system for management of data

11 GERDA database Danish national database for shallow geophysical data hosted by GEUS GERDA is established in 1998-2000 GERDA is under continuous development Integrated system for management of data

12 GERDA database Danish national database for shallow geophysical data hosted by GEUS GERDA is established in 1998-2000 GERDA is under continuous development GERDA has a web page: http://gerda.geus.dk with information and documentation, upload of data, http://gerda.geus.dk Integrated system for management of data

13 GERDA database Danish national database for shallow geophysical data hosted by GEUS GERDA is established in 1998-2000 GERDA is under continuous development GERDA has a web page: http://gerda.geus.dk with information and documentation, upload of data, search and download of data. http://gerda.geus.dk There is open access to data Integrated system for management of data

14 Jupiter database In 1926 a well data archive for water supply-related wells was founded at the Geological survey. Later other types of shallow wells are also reported to the archive. The wells are now registered in the national database, Jupiter, hosted by GEUS The database contains information about more than 300.000 boreholes Jupiter has a web page: http://www.geus.dk/jupiter for search and download of data http://www.geus.dk/jupiter There is open access to the data Integrated system for management of data

15 Aarhus Workbench Program package for – Data processing and inversion of resistivity and electromagnetic data – Preparation of database for upload to GERDA – Visualization of data and models in themes on maps in themes on profiles – Data quality control – Advanced data analysis – Advanced data interpretation e.g. with mutual inversion of different data types and borehole a priori information Integrated system for management of data Raw electrical and electromagnetic data

16 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data Aarhus Workbench illustrates a theme of TEM data: The depth of a good conductor (12 ohmm) Aarhus

17 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data Aarhus Workbench illustrates a theme of TEM data: The depth of a good conductor (12 ohmm) The theme consists of ~ 83,000 soundings

18 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data The theme consists of ~ 83,000 soundings The theme consists of data from 94 projects (mapping campaigns)

19 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data The theme consists of data from 94 projects (mapping campaigns) The theme consists of data from 5 different TEM measuring methods The theme consists of ~ 83,000 soundings

20 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data Aarhus Workbench illustrates a theme of TEM data: The depth of a good conductor (12 ohmm) Aarhus

21 Aarhus Workbench Program package for – – Data processing and inversion of resistivity and electromagnetic data – – Preparation of database for upload to GERDA – – Visualization of data and models in themes on maps in themes on profiles – – Data quality control – – Advanced data analysis – – Advanced data interpretation with mutual inversion of different data types and borehole a priori information Integrated system for management of data Aarhus Workbench illustrates a theme of TEM data: The depth of a good conductor (12 ohmm) Profile crossing several buried valleys – profile length: 27 km To the northeast limestone is observed below a layer of tertiary clay (low resistivity) SW NE

22 Geoscene3D Program for 3D visualisation and interpretation of data, models and borehole information Integrated system for management of data

23 Geoscene3D Program for 3D visualisation and interpretation of data, models and borehole information Integrated system for management of data

24 Geoscene3D Program for 3D visualisation and interpretation of data, models and borehole information

25 Summary We have illustrated an integrated system for management of hydrogeophysical data consisting of –a high quality database for geophysical data –a database for borehole information –a program package for processing, inversion, interpretation and visualisation –a 3D visualisation and modelling program The integrated system enables us to handle large amounts of data collected over several years, in different mapping campaigns and with different geophysical methods.

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