Sensitivity of a GCM simulation of global climate to the representation of land-surface hydrology

J. F. Stamm; Eric F. Wood; D. P. Lettenmaier

doi:10.1175/1520-0442(1994)007<1218:SOAGSO>2.0.CO;2

Sensitivity of a GCM simulation of global climate to the representation of land-surface hydrology

J. F. Stamm, Eric F. Wood, D. P. Lettenmaier

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46 Scopus citations

Abstract

The results of the VIC fixed runs (15 cm) showed that global average soil moisture was considerably lower (about 2.5 cm on average) as compared with the bucket runs, global evaporation and precipitation were reduced, and surface temperature was increased, especially in the Northern Hemisphere in summer. The results argue for representation of the surface hydrology in GCMs with two-layer soil models, which are capable of representing the cycling of moisture during dry periods by means of surface evaporation, which is generally underestimated by single-layer models. -from Authors

Original language	English (US)
Pages (from-to)	1218-1239
Number of pages	22
Journal	Journal of Climate
Volume	7
Issue number	8
DOIs	https://doi.org/10.1175/1520-0442(1994)007<1218:SOAGSO>2.0.CO;2
State	Published - 1994

All Science Journal Classification (ASJC) codes

Atmospheric Science

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10.1175/1520-0442(1994)007<1218:SOAGSO>2.0.CO;2

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title = "Sensitivity of a GCM simulation of global climate to the representation of land-surface hydrology",

abstract = "The results of the VIC fixed runs (15 cm) showed that global average soil moisture was considerably lower (about 2.5 cm on average) as compared with the bucket runs, global evaporation and precipitation were reduced, and surface temperature was increased, especially in the Northern Hemisphere in summer. The results argue for representation of the surface hydrology in GCMs with two-layer soil models, which are capable of representing the cycling of moisture during dry periods by means of surface evaporation, which is generally underestimated by single-layer models. -from Authors",

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AU - Stamm, J. F.

AU - Wood, Eric F.

AU - Lettenmaier, D. P.

PY - 1994

Y1 - 1994

N2 - The results of the VIC fixed runs (15 cm) showed that global average soil moisture was considerably lower (about 2.5 cm on average) as compared with the bucket runs, global evaporation and precipitation were reduced, and surface temperature was increased, especially in the Northern Hemisphere in summer. The results argue for representation of the surface hydrology in GCMs with two-layer soil models, which are capable of representing the cycling of moisture during dry periods by means of surface evaporation, which is generally underestimated by single-layer models. -from Authors

AB - The results of the VIC fixed runs (15 cm) showed that global average soil moisture was considerably lower (about 2.5 cm on average) as compared with the bucket runs, global evaporation and precipitation were reduced, and surface temperature was increased, especially in the Northern Hemisphere in summer. The results argue for representation of the surface hydrology in GCMs with two-layer soil models, which are capable of representing the cycling of moisture during dry periods by means of surface evaporation, which is generally underestimated by single-layer models. -from Authors

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Sensitivity of a GCM simulation of global climate to the representation of land-surface hydrology

Abstract

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