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The Second Phase of...
The Second Phase of the Global Land–Atmosphere Coupling Experiment: Soil Moisture Contributions to Subseasonal Forecast Skill
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Koster, R. D. (author)
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Mahanama, S. P. P. (author)
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Yamada, T. J. (author)
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Balsamo, Gianpaolo (author)
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Berg, A. A. (author)
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Boisserie, M. (author)
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Dirmeyer, P. A. (author)
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Doblas-Reyes, F. J. (author)
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Drewitt, G. (author)
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Gordon, C. T. (author)
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Guo, Z. (author)
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- Jeong, Jee-Hoon, 1976 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences
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Lee, W. S. (author)
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Li, Z. (author)
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Luo, L. (author)
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Malyshev, S. (author)
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Merryfield, W. J. (author)
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Seneviratne, S. I. (author)
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Stanelle, T. (author)
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van den Hurk, B. J. J. M. (author)
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Vitart, F. (author)
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Wood, E. F. (author)
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(creator_code:org_t)
- 2011-10-01
- 2011
- English.
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In: Journal of Hydrometeorology. - : American Meteorological Society. - 1525-755X .- 1525-7541. ; 12:5, s. 805-822
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Abstract
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- The second phase of the Global Land–Atmosphere Coupling Experiment (GLACE-2) is a multi-institutional numerical modeling experiment focused on quantifying, for boreal summer, the subseasonal (out to two months) forecast skill for precipitation and air temperature that can be derived from the realistic initialization of land surface states, notably soil moisture. An overview of the experiment and model behavior at the global scale is described here, along with a determination and characterization of multimodel “consensus” skill. The models show modest but significant skill in predicting air temperatures, especially where the rain gauge network is dense. Given that precipitation is the chief driver of soil moisture, and thereby assuming that rain gauge density is a reasonable proxy for the adequacy of the observational network contributing to soil moisture initialization, this result indeed highlights the potential contribution of enhanced observations to prediction. Land-derived precipitation forecast skill is much weaker than that for air temperature. The skill for predicting air temperature, and to some extent precipitation, increases with the magnitude of the initial soil moisture anomaly. GLACE-2 results are examined further to provide insight into the asymmetric impacts of wet and dry soil moisture initialization on skill.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Koster, R. D.
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Mahanama, S. P. ...
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Yamada, T. J.
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Balsamo, Gianpao ...
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Berg, A. A.
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Boisserie, M.
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show more...
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Dirmeyer, P. A.
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Doblas-Reyes, F. ...
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Drewitt, G.
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Gordon, C. T.
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Guo, Z.
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Jeong, Jee-Hoon, ...
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Lee, W. S.
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Li, Z.
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Luo, L.
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Malyshev, S.
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Merryfield, W. J ...
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Seneviratne, S. ...
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Stanelle, T.
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van den Hurk, B. ...
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Vitart, F.
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Wood, E. F.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Oceanography Hyd ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Meteorology and ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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Journal of Hydro ...
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University of Gothenburg