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Bremen, 28.9.95 Dear Colleagues, following You find the announcement for an international workshop to be held in Bremen at the end of the year, which invites scientists from different to discuss the establishment of a widely based stratigraphic communication and data exchange network. Everybody is invited to participate, contribute his ideas and needs and join this effort to improve the quality, accessibility and usage of stratigraphic data and to allow the integration of data sets. Volkhard Spiess ============================================================================ Announcement for an International Workshop: "Objectives and Implementation of an Ocean Drilling Stratigraphic Network (ODSN)" North German Initiative Group, Bremen, Bremerhaven, Kiel, F.R.G Volkhard Spiess, Hannes Grobe, William W. Hay, Wolfgang Kuhnt, Jörn Thiede, Gerold Wefer Bremen, Germany, December, 18 - 20, 1995 Sediment stratigraphic data from deep ocean drilling have been successfully collected for several decades within the Deep Sea Drilling Project and Ocean Drilling Program. These international activities had a major impact on the understanding of the Earth's climate system and its history and provided detailed information about environmental conditions in the geologic past. New techniques and data sets, their increasing amount, quality and resolution require new approaches to produce integrated chronostratigraphic models from different data sources. Where the acquisition of data related to shipboard drilling activities is organized in a professional manner through the drilling program operator, the results of subsequent shorebased activities falls under the responsibility of the individual scientists. Part of the data are published in the scientific results volumes, but the paper medium is no longer providing an adequate archive for these scientific efforts. Part of the data is available in electronic form in the ODP database and on DSDP and ODP CDROMs, but in a variety of formats that are not readily integrated. An "Ocean Drilling Stratigraphic Network" should be established to overcome some of these deficits and provide a distributed database system and a communication network for data exchange and scientific cooperation. It should promote development and repeated calibration of integrated stratigraphies for drill sites, regions or geologic time intervals on a long-term basis. The project is viewed as a resource for further scientific programmes to provide improved age models, better time correlation between drill sites, regions and oceans and to finally maintain a homogenous stratigraphic data set. As a starting initiative a group of marine geologists and geophysicists from four North German institutions (AWI, GeoB, GEOMAR, GPI) is organizing a workshop about the perspectives for the described approach. It is planned to exchange experiences from other projects, to discuss the technical, scientific and logistic aspects of these ideas with colleagues in particular from the ODP community and to develop a final concept for an "Ocean Drilling Stratigraphic Network". The resulting document may also contain letters of intent from interested institutions and individuals for a long-term commitment to the project, can serve as a base for further scientific project proposals. The main objectives of the project and the workshop are: · Design of a network for information and data exchange between scientists related to ocean drilling activities (in particular ODP and DSDP) · Design and buildup of a database, which includes drilling-related data sets and stratigraphic results and interpretations produced after the shipboard activities. A close connection to the JANUS database project for shipboard data acquisition is essential. The database will be repeatedly updated from new calibration results and chronostratigraphic concepts to maintain age data on a high quality level. · Collection and evaluation of biostratigraphic and taxonomic microfossil data · Development of uniform micropaleontologic taxonomic concepts to provide the essential basis for comparisons between data set in space and time · Establishment of integrated, easily updatable chronostratigraphic concepts and age models for DSDP and ODP drill sites, using and combining all available stratigraphic data sets · Availability of the database in the Internet and WordWideWeb · Preparation of stratigraphic data syntheses for future drilling campaigns · Initiation of complex scientific projects, which are based on coherent data sets and permit regional analysis (e.g. paleobiogeographic) and in terms of well defined time slices To participate in the workshop or in the stratigraphic network or for further information, please contact Volkhard Spiess Department of Geoscience University of Bremen P.O. Box 33 04 40 D-28334 Bremen F.R.G. Tel. ++49 421 218-3387 Fax ++49 421 218-7179 Email: a13g@mtu.uni-bremen.de WWW: http://www.mtu.uni-bremen.de/odsn.html (under construction) ===================================================== Prof. Dr. Volkhard Spiess Fachgebiet Meerestechnik/Umweltforschung FB Geowissenschaften Universitaet Bremen Building: Klagenfurter Str. D-28359 Bremen Mail: P.O. Box 33 04 40 D-28334 Bremen Germany Tel. ++49 421 218-3387 Fax ++49 421 218-7008 EMail a13g@mtu.uni-bremen.de WWW http://www.mtu.uni-bremen.de/
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