Open Session - SWISS GEOSCIENCE MEETINGs

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Figure 1: Current market volume categorized by providers (left) and applications (right). REFERENCES http://www.swisstopo.admin.ch/internet/swisstopo/de/home/docu/pub/kogis.parsys.5303.downloadList.7391.DownloadFile. tmp/analysegeoinformationsmarkt080813.pdf http://www.swisstopo.admin.ch/internet/swisstopo/de/home/docu/pub/kogis.parsys.31452.downloadList.83198.DownloadFile. tmp/giflyerde.pdf http://www.m-spinatsch.ch/d/DetailsPublikationen/Ueberblick/StaatsaufgabeLG-Ueberblick-d.html 12. GIS-supported Geology and Fieldwork in the Eastern Greater Caucasus Bochud Martin*, Mosar Jon* *Science de la Terre, Département des Géosciences, Université de Fribourg, Chemin du Musée 6, CH-1700 Fribourg (martin.bochud@unifr.ch) The evolution of new GIS-supported technologies allowed modifying the habits of geologist, especially in the field, during data acquisition and mapping. Sturdy field-computers and GPS have the same importance as field-books and maps. For the last 5 years, the tectonics group of the University of Fribourg works with portable field-computers and GPS in remote locations of the Eastern Greater Caucasus. Expeditions often require work in areas with no electricity other than supplied by batteries. Presently we use Xplore field-computers equipped with GPS and ArcGIS Desktop capabilities. In addition, we use sophisticated high precision Trimble GeoXH GPS mini-computers with antennas and ArcPad (both from ESRI) to work in the field. Using this tools makes it possible to introduce all types of measurements directly in a geodatabase. Our geodatabase includes all structural data such as: bedding, schistosity, faults and associated lineations such as striations, axial planes, fold axis, samples location and description as well as pictures. Each datum can be linked with a detailed description, drawings and/or photos. More importantly it allows the geologist in such remote areas to always find its exact position. This is important in regions with no detailed topographic maps and no geology maps. We than rely on satellite imagery and documents scanned and georeferenced. It allows us also at any time to retrieve data already available in the database. In Azerbaijan the availability of essential data such as topographic maps turned out to be impossible. Especially topographic or geological maps at scales 1:25000 or 1:50000 fall under military restrictions. However the large resources of the www made it possible to find Russian maps at 1:100’000, free satellite images from Landsat (Geocover and ETM+ with the seven spectral bands), digital elevation model at 90 meters from the Shuttle Radar Topography Mission (SRTM) and a geodatabase 303 Symposium 12: Data acquisition, Geo-processing, GIS, digital mapping and 3D visualisation
30 Symposium 12: Data acquisition, Geo-processing, GIS, digital mapping and 3D visualisation with all locality and place names of Azerbaijan. The place name geodatabase allowed to homogenize the place names and to avoid some misunderstanding in papers. Before leaving to the field, we export the data from the geodatabase to the GPS PDA. In the field we work mostly with the handheld GPS (Trimble GeoXH), and the computer tablets (Explore). At the end of each field day, we transfer new measurements in our geodatabase, where it is than possible to make more detailed annotations, but also modifications or corrections. The updated database is subsequently available for the following days. It can also be used by different groups working in neighbouring areas. The use of a GIS-database improves the efficiency and extends the boundaries of the geological research, making it possible to share them with co-workers and making them available through the www. The biggest problem with geodatabase is generally not to create, but to fill them with data. Working in the field with PDA and field computer allows filling the geodatabase directly. GIS software now offers numerous possibilities and tools for mapping but also for sophisticated calculations, to compare data, to combine maps and data and to create our own maps. Similar databases have been developed in international projects such as MEBE in response to the demands and needs of supporting groups from the oil industry. On a more local scale similar needs are expressed by local authorities and other institutions collecting data and surveying the environment. In addition, we are in the process of implementing these tools for mapping exercises in geology on a bachelor level. It allows the students to develop a multidisciplinary approach to “classic geological mapping”! This is perceived by students as a stimulating exercise otherwise often considered “uninteresting”. 5-years experience in field-work in remote areas of the Greater Caucasus have shown that the field computer and GPS handheld computer are rugged enough to tolerate difficult field conditions such as heat and shock as well as rain, or even short immersion in water (student falling into river with equipment!). The only shortcomings are that they cannot (should not!) be used as hammer or as magnifying lens! 12.8 The National Spatial Data Infrastructure Buogo Alain*, Buser Rolf*, Sonney René*, Wiget Adrian** *Federal Office of Topography swisstopo, Coordination, Geo-Information and Services (COGIS), Seftigenstrasse 264, CH-3084 Wabern ** Federal Office of Topography swisstopo, Geodesy, Seftigenstrasse 264, CH-3084 Wabern (adrian.wiget@swisstopo.ch) Geographical information is data which is spatially referenced by means of coordinates, place names, postal addresses or similar criteria. 60 to 80 percent of all political and economic decisions are of spatial nature. The Swiss federal administration, mandated by the Federal Act on Geoinformation (GeoIG) and lead-managed by COGIS, the Coordination, Geo- Information and Services Division of the federal office of topography swisstopo (www.swisstopo.ch) follows the strategy to facilitate the integration of the widest possible selection of data, to make access easier and to promote the application of this data through the coordination and harmonisation of geographical information. With wider and more intensive usage, greater economic benefit can be achieved from the geographic information which is already available. This will add value for all those involved – federal, cantonal and local government, organisations in the private sector and the scientific community as well as the general public. The federal strategy for geographical information is also in accordance with the EU directive INSPIRE (Infrastructure for Spatial Information in Europe). In order to implement the strategy and to access the enormous amount of available data, it is proposed to set up a user-friendly, decentralised but networked system. Such a national spatial data infrastructure (NSDI) depends on political, organisational, financial, legal and technical components. First of all it is essential to create an organisational framework for the activities of partners in Switzerland involved in the implementation of the NSDI: Federal, cantonal and local governmental bodies and other organisations like SOGI, the Swiss Organisation for Geographic Information (www.sogi.ch). To this end, the e-geo.ch “impulse programme” was launched in order to build and promote a network of contacts and a project management organisation covering the whole of Switzerland. REFERENCES http://www.swisstopo.admin.ch/internet/swisstopo/de/home/topics/geodata_inf.html http://www.swisstopo.admin.ch/internet/swisstopo/fr/home/topics/geodata_inf.html http://www.swisstopo.admin.ch/internet/swisstopo/en/home/topics/geodata_inf.html
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Abstract Volume 6 th Swiss Geoscien
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2 Plenary Session
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Plenary Session 0. Plenary Session
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6 Plenary Session 3 Annual Opening
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8 Plenary Session Hochwasserschutz
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10 Symposium 1: Structural Geology,
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2 Symposium 2: Mineralogy-Petrology
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11 Symposium 3: Palaeontology 3. Pa
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120 Symposium 3: Palaeontology AG 0
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122 Symposium 3: Palaeontology 3. F
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12 Symposium 3: Palaeontology Figur
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128 Symposium 3: Palaeontology REFE
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130 Symposium 3: Palaeontology REFE
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