Distributed Geocomputation for Modeling the Hydrology of the Black Sea Watershed

  • Nicolas Ray
  • Gregory Giuliani
  • Dorian Gorgan
  • Anthony Lehmann
Conference paper
Part of the NATO Science for Peace and Security Series C: Environmental Security book series (NAPSC)

Abstract

The surface of the Black Sea watershed amounts to about 2 mil. km2 with a population of 160 mil. Inhabitants over 25 countries. In light of the current and forthcoming climate, land cover and population changes in this region, it is becoming extremely important to better understand how the quantity and quality of waters will vary in the catchment over the coming decades. To model the hydrology of this catchment, three steps are needed: (1) a large transnational data collection effort, (2) adequate management and sharing processes of the environmental data in a dedicated Spatial Data Infrastructure, and (3) distributed computing in order to allow running a high-resolution model. The EU/FP7 enviroGRIDS project (running 2009–2013) is addressing these steps with a 30-partner consortium mainly located in the Black Sea region. In this paper we are discussing how enviroGRIDS is approaching the various data-related challenges of the project. We particularly address the important issue of sharing data through international initiative such as GEOSS, the specificity of the hydrological modeling tool SWAT (Soil and Water Assessment Tool), and the technical requirement for using Grid computing infrastructures to optimize computationally-intensive simulations.

Keywords

Black Sea Hydrological modeling SWAT Web Processing Service Grid computing Geospatial data Spatial Data Infrastructure 

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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Nicolas Ray
    • 1
    • 2
    • 3
  • Gregory Giuliani
    • 1
    • 2
    • 3
  • Dorian Gorgan
    • 4
  • Anthony Lehmann
    • 1
    • 2
    • 3
  1. 1.Institute of Environmental Sciences, Climatic Change and Climate Impacts, enviroSPACE Lab.University of GenevaCarougeSwitzerland
  2. 2.Division of Early Warning and Assessment, Global Resource Information Database – EuropeUnited Nations Environment ProgrammeChâtelaineSwitzerland
  3. 3.Forel InstituteUniversity of GenevaVersoixSwitzerland
  4. 4.Technical University of Cluj-NapocaCluj-NapocaRomania

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