The GEOtop model: The GEOtop model: eco-hydrological eco-hydrological applications applications at plot and catchment at plot and catchment scale scale Institute for Alpine Environment G. Bertoldi, S. Della G. Bertoldi, S. Della Chiesa, Chiesa, S. Endrizzi, M. S. Endrizzi, M. Dall’Amico, E. Cordano, S. Dall’Amico, E. Cordano, S. Simoni, Simoni, U.Tappeiner, R. Rigon U.Tappeiner, R. Rigon Università di Trento Dip. Ing. Civile ed Ambientale QuickTime™ and a TIFF (LZW) decompress are needed to see this I° Riunione Gruppo di Lavoro SISEF Modellistica Forestale Workshop, Bologna, 18 Dicembre 2009 Università di Bologna, Facoltà di Agraria
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CoupledCoupled surface energy and hydrological fluxes. surface energy and hydrological fluxes.
Different Different spatial scalesspatial scales (plot, catchments) (plot, catchments)
Focus: mountainsFocus: mountains • Effect of Effect of topographytopography on evapotranspiration and discharge partition. on evapotranspiration and discharge partition.• Spatial Spatial variabilityvariability (precipitation, land use, vegetation, topography). (precipitation, land use, vegetation, topography).
GoalsGoals Hydrological predictionsHydrological predictions mean and long range. mean and long range.
ImpactsImpacts of of land use land use and and climate changesclimate changes
on on hydrological cyclehydrological cycle and on and on terrestrial ecosystemsterrestrial ecosystems..
Increasing need of accurate modeling
capabilities !
Modeling: research goals
GEOGEOTOPTOP
MethodMethodSVAT SVAT ModelsModels
Rainfall-Runoff Rainfall-Runoff ModelsModels
DVM DVM ModelsModels
GeoTOP model overview (I)
Plot scale: Soil Vegetation Atmosphere Transfer (SVAT)
Rigon R., Bertoldi G. and Over T.M., GEOtop: A Distributed Hydrological Model with Coupled Water and Energy Budgets, Journal of Hydrometeorology, 7, 371-388, 2006.
Soil column water and energy budget
Figure adapted from (Liang, X. et al. 1994)
GEOtop model overview (II)
Land cover /
Vegetation
Soil moisture
Runoff production
Topography
Evapotranspiration
Climate
Catchment scale: distributed hydrological model
Figure adapted from (Abbott, M. B. et al. 1986)
SnowSnow
Landscape scale ecohydrological modeling
GeoTOP hydrological model
Landscape scale: remote sensing
Plot scale: ground
observations
On-going: dynamic vegetation
Plot scalePlot scale::
Integration of a DVM model to simulate Integration of a DVM model to simulate
grassland dynamic in alpine meadowsgrassland dynamic in alpine meadows
In collaboration with:In collaboration with:
Georg Wohlfahrt (Institute of Ecology Univ. of Innsbruck)Georg Wohlfahrt (Institute of Ecology Univ. of Innsbruck)
John D. Albertson (CEE, Duke University, USA)John D. Albertson (CEE, Duke University, USA)
Modeling surface fluxes : LST
Landscape scaleLandscape scale: :
Land Surface Temperature in an alpine Land Surface Temperature in an alpine catchment catchment
In collaboration with:In collaboration with:
Riccardo Rigon and his team (CUDAM, Univ. of Trento)Riccardo Rigon and his team (CUDAM, Univ. of Trento)
Stefano Endrizzi (University of Saskatchewan, Canada)Stefano Endrizzi (University of Saskatchewan, Canada)
• R. Rigon group:• S. Simoni:hillslope stability.• S. Endrizzi: snow-melt.• M. Dall’Amico: permafrost.
Spreading World-wide …
• Xujun Han, Cold and Arid Regions
Environmental and Engineering.
Research Institute, Chinese Academy of
Sciences.
• Cuell Charles, National Hydrology
Research Center, Canada.
• Stephan Gruber, University of Zürich.
EURAC research
• S. Della Chiesa: dynamic vegetation modeling (grasslands)
Related publications
Peer reviewed GEOtop publicationsPeer reviewed GEOtop publications- Bertoldi G., Notarnicola C., Leitinger G., Endrizzi S., Zebisch M., and Tappeiner U., Morphological and Bertoldi G., Notarnicola C., Leitinger G., Endrizzi S., Zebisch M., and Tappeiner U., Morphological and
ecohydrological controls on land surface temperature in an Alpine catchment, ecohydrological controls on land surface temperature in an Alpine catchment, Ecohydrology,Ecohydrology, under under revision.revision.
- Gebremichael, M., Rigon, R., Bertoldi, G., and Over, T. M.: On the scaling characteristics of observed and Gebremichael, M., Rigon, R., Bertoldi, G., and Over, T. M.: On the scaling characteristics of observed and simulated spatial soil moisture fields, Nonlin. Processes Geophys., 16, 141-150, 2009.simulated spatial soil moisture fields, Nonlin. Processes Geophys., 16, 141-150, 2009.
- Simoni, S., Zanotti, F., Bertoldi, G., Rigon, R., 2006: Modelling the probability of occurrence of shallow Simoni, S., Zanotti, F., Bertoldi, G., Rigon, R., 2006: Modelling the probability of occurrence of shallow landslides and channelized debris flows using GEOtop-SF, Hydrological Processes,. doi: 10.1002/hyp.6886, landslides and channelized debris flows using GEOtop-SF, Hydrological Processes,. doi: 10.1002/hyp.6886, 2007.2007.
- Rigon R., G. Bertoldi and T. M. Over, GEOtop: A Distributed Hydrological Model with Coupled Water and Rigon R., G. Bertoldi and T. M. Over, GEOtop: A Distributed Hydrological Model with Coupled Water and Energy Budgets., Journal of Hydrometeorology, Vol. 7, No. 3, pages 371-388, 2006.Energy Budgets., Journal of Hydrometeorology, Vol. 7, No. 3, pages 371-388, 2006.
- Bertoldi, G., R. Rigon and T. M. Over, Impact of Watershed Geomorphic Characteristics on the Energy and Bertoldi, G., R. Rigon and T. M. Over, Impact of Watershed Geomorphic Characteristics on the Energy and Water Budgets, Journal of Hydrometeorology, Vol. 7, No. 3, pages 389-403, 2006.Water Budgets, Journal of Hydrometeorology, Vol. 7, No. 3, pages 389-403, 2006.
- Zanotti F., S. Endrizzi, G. Bertoldi and R. Rigon, The GEOTOP snow module, Hydrol. Proc., 18, 3667-3679 Zanotti F., S. Endrizzi, G. Bertoldi and R. Rigon, The GEOTOP snow module, Hydrol. Proc., 18, 3667-3679 (2004), DOI 10.1002/hyp.5794.(2004), DOI 10.1002/hyp.5794.