Cabauw Experimental Results from the Project for Intercomparison of Land-Surface Parameterization Schemes

Chen, T.H.; Henderson‐Sellers, A.; Milly, P. C. D.; Pitman, Andrew J.; Beljaars, A.; Polcher‬, Jan; Abramopoulos, Frank; Boone, Aaron; Chang, Sam; Chen, F.; Dai, Yongjiu; Desborough, C. E.; Dickinson, Robert E.; Dümenil, Lydia; Ek, Michael; Garratt, J. R.; Gedney, Nicola; Gusev, Yeugeniy M.; Kim, J.; Koster, Randal D.; Kowalczyk, Eva; Laval, K.; Lean, J.; Lettenmaier, Dennis P.; Liang, Xu; Mahfouf, Jean‐François; Mengelkamp, Heinz-Theo; Mitchell, K. J.; Насонова, О. Н.; Noilhan, J.; Robock, Alan; Rosenzweig, Cynthia; Schaake, John C.; Schlosser, C. Adam; Schulz, Jan-Peter; Shao, Yaping; Шмакин, А. Б.; Verseghy, Diana; Wetzel, Peter J.; Wood, Eric F.; Xue, Yongkang; Yang, Zong‐Liang; Zeng, Qingle

doi:10.1175/1520-0442(1997)010<1194:cerftp>2.0.co;2

Cited by 299 publications

(199 citation statements)

References 39 publications

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“…On the other hand, Theta seems to overestimate runoff as compared to Psi1 in Ž . summer according to Chen et al 1997 .…”

Section: Seasonal Changes Of Water Balance Componentssupporting

confidence: 70%

“…Differences in the parameterization of atmospheric demand and of moisture availability may be the ultimate cause for the differences between the various PILPS models as Ž . presented by Chen et al 1997 and reproduced in our Figs. 4 and 5.…”

Section: Resultsmentioning

confidence: 99%

“…Southern France Henderson-Sellers, 1996 at Ž . Cabauw in the Netherlands Chen et al, 1997 or at Ž . Valdai in Russia Schlosser et al, 1997 .…”

Section: Introductionmentioning

confidence: 99%

“…Cabauw in the Netherlands Chen et al, 1997 or at Ž . Valdai in Russia Schlosser et al, 1997 . These studies showed that there was considerable scatter between the PILPS models; further, it was impossible to establish a link between the model's performance and the responsible mechanisms because most Ž LSS differed in various aspects simultaneously Shao .…”

Section: Introductionmentioning

confidence: 99%

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The land-surface flux model PROGSURF

Ács

Hantel

1998

Global and Planetary Change

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Ž. The land-surface flux model PROGSURF designed jointly at the Universities of Vienna and Budapest is reviewed; it belongs to the broad spectrum of PILPS 1 models. PROGSURF comprises one vegetation layer and three soil layers. Temperature prediction is made by the heat conduction equation in conjunction with the force-restore method. Turbulent heat fluxes are parameterized by gradient laws using the resistance concept. The formula for the canopy surface resistance involves both a parameter describing atmospheric demand and one describing moisture availability. Soil moisture prediction is made with Richards' equation. PROGSURF is tested in off-line mode for the Cabauw data set. The observed annual mean values of the state and flux quantities at the earth's surface are well reproduced. For example, the model yields latent and sensible heat fluxes of y35.3 and y2.4 Wrm 2 , respectively; evapotranspiration and runoff is y449 and 326 mmryr; and root zone soil moisture content is 0.344 m 3 rm 3 . Further, the seasonal changes of water and energy balance components are well simulated. The sensitivity of PROGSURF to the canopy resistance formulation is analysed. We find that the atmospheric demand is largely represented by the saturation value of the evapotranspirationrsoil moisture curve with maximum summer impact upon the annual value and further that the moisture availability is represented by the slope of the evapotranspiration curve. Both saturation value and slope control the amplitude of the seasonal fluctuation of the water balance components; at Cabauw site the saturation value is the governing parameter. These results fit satisfactorily into the other PILPS models. In particular, we are able to reproduce with PROGSURF the total variability of most other PILPS models by simply changing the atmospheric demand and soil moisture availability parameters. PROGSURF presently serves to simulate observed surface fluxes for an atmospheric diagnostic model. q 1998 Elsevier Science B.V. All rights reserved.

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“…On the other hand, Theta seems to overestimate runoff as compared to Psi1 in Ž . summer according to Chen et al 1997 .…”

Section: Seasonal Changes Of Water Balance Componentssupporting

confidence: 70%

Section: Resultsmentioning

confidence: 99%

“…Southern France Henderson-Sellers, 1996 at Ž . Cabauw in the Netherlands Chen et al, 1997 or at Ž . Valdai in Russia Schlosser et al, 1997 .…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The land-surface flux model PROGSURF

Ács

Hantel

1998

Global and Planetary Change

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“…Chen et al [1997] was clearly a landmark paper for PILPS, scoring the top citation mark in the review recently published by Linda Butler {Monitoring Australia's Scientific Research, Linda Butler, October 2001, Australian Academy of Sciences, 173 pp. ).The top-cited Earth sciences paper describes the international comparison of 23 participating land-surface schemes, each designed for use in climate and weather pre diction models.…”

Section: Offline Lss Intercomparisonsmentioning

confidence: 99%

Land‐surface simulations improve atmospheric modeling

et al. 2002

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Because weather and climate near the land surface influence most of our social and economic activities, realistic simulation of continental near‐surface climate is important for day‐to‐day decision‐making and for policy development relating to—for example—climate change.The need for correct and validated land‐surface processes in atmospheric simulations, acknowledged by many scientists in the past few decades, has prompted the development of a large number of land‐surface parameterization schemes with varying degrees of complexity designed to improve the prediction of near‐surface climate in global atmospheric models. The Project for Intercomparison of Land‐Surface Parameterization Schemes (PUPS) offers a methodology for intercomparing and analyzing land‐surface simulations that benefits the atmospheric modeling community worldwide.

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The validation of a snow parameterization designed for use in general circulation models

1998

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A snow model designed for use in general circulation models is tested using atmospheric forcing derived from observations. Using data for four sites from the former Soviet Union, simulations of snow mass, snow density, snow depth, albedo and net radiation are validated. While we find the model works well in capturing the general patterns of the seasonal cycles and interannual variability in these quantities, there are systematic problems in the modelling of snow density and snow albedo towards the end of each snow season. An analysis of the snow densification parameterization shows that the model is very sensitive to the value of a poorly known parameter describing the temperature dependence of the snow compactive viscosity. Many problems in the simulation of snow stem from the simplification of complex processes occurring over time, such as layering and ripening, by a single bulk snow layer which prevents the model responding dynamically to changes in the forcing. In the simulation of the four sites, we used various methods for downward longwave radiation, and we find that the simulation of snow by the model is very sensitive to this quantity. Climate models do not provide this flux accurately in transitional seasons at high latitudes which suggests that it is probably premature to include very complex snow schemes into climate models. In this paper, we were able to obtain far better simulations by choosing the 'right' method for downward longwave radiation than by tuning parameters or increasing the complexity of the snow parameterization. However, the ability of the model to capture seasonal and interannual variability irrespective of which downward longwave radiation was used is important, and provides some support for the inclusion of complex snow schemes into climate models.

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Cabauw Experimental Results from the Project for Intercomparison of Land-Surface Parameterization Schemes

Cited by 299 publications

References 39 publications

The land-surface flux model PROGSURF

The land-surface flux model PROGSURF

Land‐surface simulations improve atmospheric modeling

The validation of a snow parameterization designed for use in general circulation models

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