Home > Research > Publications & Outputs > Spatial and temporal predictions of soil moistu...
View graph of relations

Spatial and temporal predictions of soil moisture patterns and evaporative losses using TOPMODEL and the GAS-Flux model for an Alaskan catchment.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Spatial and temporal predictions of soil moisture patterns and evaporative losses using TOPMODEL and the GAS-Flux model for an Alaskan catchment. / Quinn, P. F.; Ostendorf, B.; Beven, Keith J. et al.
In: Hydrology and Earth System Sciences, Vol. 2, No. 1, 1998, p. 51-64.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

APA

Vancouver

Author

Quinn, P. F. ; Ostendorf, B. ; Beven, Keith J. et al. / Spatial and temporal predictions of soil moisture patterns and evaporative losses using TOPMODEL and the GAS-Flux model for an Alaskan catchment. In: Hydrology and Earth System Sciences. 1998 ; Vol. 2, No. 1. pp. 51-64.

Bibtex

@article{5a61c6057548416bb67855ea1755530d,
title = "Spatial and temporal predictions of soil moisture patterns and evaporative losses using TOPMODEL and the GAS-Flux model for an Alaskan catchment.",
abstract = "By using topographic indices as derived from a Digital Terrain Models (DTM), it is possible to represent the heterogeneity within a landscape. This heterogeneity can reflect both long term evolutionary patterns seen in a landscape and the short term forcing of flow dynamics during storm events. By spatial analysis, the linkage between the geomorphological- hydrological-plant physiological phenomena can be examined. In this study, a direct link will be established between the topographically-driven hydrological phenomena and the eco-physiological response. The topographic distribution function of TOPMODEL is used to control the spatial and temporal flux of the channel flow and water table. The plant physiological model GAS-FLUX is used to give a spatially and temporally dissaggregated species-sensitive estimate of evapotranspiration flux. Evapotranspiration is sensitive to the vegetation phonology, to tundra community physiology and to the temperature regime. A simple linking of TOPMODEL and the GAS-FLUX model is applied to a summer snow-free period to the Imnavait catchment, Alaska (2.2 km2). A species-sensitive evapotranspiration model proved to give the highest quality results when validated against flow observations. Predicted dynamics of variable source area and the component hydrological processes are illustrated.",
author = "Quinn, {P. F.} and B. Ostendorf and Beven, {Keith J.} and J. Tenhunen",
year = "1998",
language = "English",
volume = "2",
pages = "51--64",
journal = "Hydrology and Earth System Sciences",
issn = "1027-5606",
publisher = "Copernicus Gesellschaft mbH",
number = "1",

}

RIS

TY - JOUR

T1 - Spatial and temporal predictions of soil moisture patterns and evaporative losses using TOPMODEL and the GAS-Flux model for an Alaskan catchment.

AU - Quinn, P. F.

AU - Ostendorf, B.

AU - Beven, Keith J.

AU - Tenhunen, J.

PY - 1998

Y1 - 1998

N2 - By using topographic indices as derived from a Digital Terrain Models (DTM), it is possible to represent the heterogeneity within a landscape. This heterogeneity can reflect both long term evolutionary patterns seen in a landscape and the short term forcing of flow dynamics during storm events. By spatial analysis, the linkage between the geomorphological- hydrological-plant physiological phenomena can be examined. In this study, a direct link will be established between the topographically-driven hydrological phenomena and the eco-physiological response. The topographic distribution function of TOPMODEL is used to control the spatial and temporal flux of the channel flow and water table. The plant physiological model GAS-FLUX is used to give a spatially and temporally dissaggregated species-sensitive estimate of evapotranspiration flux. Evapotranspiration is sensitive to the vegetation phonology, to tundra community physiology and to the temperature regime. A simple linking of TOPMODEL and the GAS-FLUX model is applied to a summer snow-free period to the Imnavait catchment, Alaska (2.2 km2). A species-sensitive evapotranspiration model proved to give the highest quality results when validated against flow observations. Predicted dynamics of variable source area and the component hydrological processes are illustrated.

AB - By using topographic indices as derived from a Digital Terrain Models (DTM), it is possible to represent the heterogeneity within a landscape. This heterogeneity can reflect both long term evolutionary patterns seen in a landscape and the short term forcing of flow dynamics during storm events. By spatial analysis, the linkage between the geomorphological- hydrological-plant physiological phenomena can be examined. In this study, a direct link will be established between the topographically-driven hydrological phenomena and the eco-physiological response. The topographic distribution function of TOPMODEL is used to control the spatial and temporal flux of the channel flow and water table. The plant physiological model GAS-FLUX is used to give a spatially and temporally dissaggregated species-sensitive estimate of evapotranspiration flux. Evapotranspiration is sensitive to the vegetation phonology, to tundra community physiology and to the temperature regime. A simple linking of TOPMODEL and the GAS-FLUX model is applied to a summer snow-free period to the Imnavait catchment, Alaska (2.2 km2). A species-sensitive evapotranspiration model proved to give the highest quality results when validated against flow observations. Predicted dynamics of variable source area and the component hydrological processes are illustrated.

M3 - Journal article

VL - 2

SP - 51

EP - 64

JO - Hydrology and Earth System Sciences

JF - Hydrology and Earth System Sciences

SN - 1027-5606

IS - 1

ER -