The prediction of hillslope flow paths for distributed hydrological modelling using digital terrain models Export

@article{QuinnP1991, abstract = {The accuracy of the predictions of distributed hydrological models must depend in part on the proper specification of flow pathways. This paper examines some of the problems of deriving flow pathways from raster digital terrain data in the context of hydrological predictions using TOPMODEL. Distributed moisture status is predicted in TOPMODEL on the basis of spatial indices that depend on flow path definition. The sensitivity of this index to flow path algorithm and grid size is examined for the case where the surface topography is a good indicator of local hydraulic gradients. A strategy for the case where downslope subsurface flow pathways may deviate from those indicated by the surface topography is described with an example application.}, address = {Centre for Research on Environmental Systems, Lancaster University, Lancaster, LAI 4YQ, U.K.; Instituto de Pesquisas Hidraulicas, Universidade Federal do Rio Grande do Sol, CP 530, 90001 Porto Allegre RS, Brasil; ORSTOM, Centre de Montpellier, 2051 Ave du Val de Montferrand, 34032 Montpellier, France}, author = {Quinn, P. and Beven, K. and Chevallier, P. and Planchon, O.}, citeulike-article-id = {3046356}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/hyp.3360050106}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/113375225/ABSTRACT}, doi = {10.1002/hyp.3360050106}, journal = {Hydrological Processes}, keywords = {data, digital, distributed, flow, hydrological, models, pathways, terrain}, number = {1}, pages = {59--79}, posted-at = {2008-07-27 18:32:25}, priority = {2}, title = {The prediction of hillslope flow paths for distributed hydrological modelling using digital terrain models}, url = {http://dx.doi.org/10.1002/hyp.3360050106}, volume = {5}, year = {1991} }

TY - JOUR ID - QuinnP1991 L3 - citeulike-article-id:3046356 N2 - The accuracy of the predictions of distributed hydrological models must depend in part on the proper specification of flow pathways. This paper examines some of the problems of deriving flow pathways from raster digital terrain data in the context of hydrological predictions using TOPMODEL. Distributed moisture status is predicted in TOPMODEL on the basis of spatial indices that depend on flow path definition. The sensitivity of this index to flow path algorithm and grid size is examined for the case where the surface topography is a good indicator of local hydraulic gradients. A strategy for the case where downslope subsurface flow pathways may deviate from those indicated by the surface topography is described with an example application. IS - 1 JF - Hydrological Processes AD - Centre for Research on Environmental Systems, Lancaster University, Lancaster, LAI 4YQ, U.K.; Instituto de Pesquisas Hidraulicas, Universidade Federal do Rio Grande do Sol, CP 530, 90001 Porto Allegre RS, Brasil; ORSTOM, Centre de Montpellier, 2051 Ave du Val de Montferrand, 34032 Montpellier, France EP - 79 TI - The prediction of hillslope flow paths for distributed hydrological modelling using digital terrain models VL - 5 SP - 59 KW - data KW - digital KW - distributed KW - flow KW - hydrological KW - models KW - pathways KW - terrain AU - Quinn, P AU - Beven, K AU - Chevallier, P AU - Planchon, O PY - 1991/// UR - http://dx.doi.org/10.1002/hyp.3360050106 ER -