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Article: A modeling study of the ENSO influence on the terrestrial energy profile in North America

TitleA modeling study of the ENSO influence on the terrestrial energy profile in North America
Authors
Issue Date2004
PublisherAmerican Meteorological Society. The Journal's web site is located at http://ams.allenpress.com
Citation
Journal Of Climate, 2004, v. 17 n. 8, p. 1657-1670 How to Cite?
AbstractThe influence of the El Niño-Southern Oscillation (ENSO) on the terrestrial energy profile over North America is studied using a 15-yr model simulation. A large-area basin scale (LABs) land surface model is driven using the European Centre for Medium-Range Weather Forecasts 15-yr Re-Analyses (1979-93) dataset. It is found that the fluctuations of the soil temperature anomalies at different soil depths, in certain geographic regions, are correlated with the ENSO signal. In other words, the temperature anomaly can penetrate into the deeper soil layers due to the long wavelength associated with the ENSO signal. Using a simplified theoretical method, it is shown that the propagation of the ENSO-related long-wavelength temperature anomaly from the land surface to deep soil needs several months. In addition, it is found that the variation of the anomaly of the terrestrial enthalpy, consisting of the soil water enthalpy and soil particle enthalpy, in the shallow soil zone is dominated by the variation of the soil water storage, while that in the deep soil zone is determined by the variation of the soil temperature. © 2004 American Meteorological Society.
Persistent Identifierhttp://hdl.handle.net/10722/70607
ISSN
2015 Impact Factor: 4.85
2015 SCImago Journal Rankings: 5.000
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, Jen_HK
dc.contributor.authorKumar, Pen_HK
dc.date.accessioned2010-09-06T06:24:30Z-
dc.date.available2010-09-06T06:24:30Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal Of Climate, 2004, v. 17 n. 8, p. 1657-1670en_HK
dc.identifier.issn0894-8755en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70607-
dc.description.abstractThe influence of the El Niño-Southern Oscillation (ENSO) on the terrestrial energy profile over North America is studied using a 15-yr model simulation. A large-area basin scale (LABs) land surface model is driven using the European Centre for Medium-Range Weather Forecasts 15-yr Re-Analyses (1979-93) dataset. It is found that the fluctuations of the soil temperature anomalies at different soil depths, in certain geographic regions, are correlated with the ENSO signal. In other words, the temperature anomaly can penetrate into the deeper soil layers due to the long wavelength associated with the ENSO signal. Using a simplified theoretical method, it is shown that the propagation of the ENSO-related long-wavelength temperature anomaly from the land surface to deep soil needs several months. In addition, it is found that the variation of the anomaly of the terrestrial enthalpy, consisting of the soil water enthalpy and soil particle enthalpy, in the shallow soil zone is dominated by the variation of the soil water storage, while that in the deep soil zone is determined by the variation of the soil temperature. © 2004 American Meteorological Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Meteorological Society. The Journal's web site is located at http://ams.allenpress.comen_HK
dc.relation.ispartofJournal of Climateen_HK
dc.rightsJournal of Climate. Copyright © American Meteorological Society.en_HK
dc.titleA modeling study of the ENSO influence on the terrestrial energy profile in North Americaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0894-8755&volume=17&issue=8&spage=1657&epage=1670&date=2004&atitle=A+modeling+study+of+the+ENSO+influence+on+the+terrestrial+energy+profile+in+North+Americaen_HK
dc.identifier.emailChen, J:jichen@hkucc.hku.hken_HK
dc.identifier.authorityChen, J=rp00098en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1175/1520-0442(2004)017<1657:AMSOTE>2.0.CO;2en_HK
dc.identifier.scopuseid_2-s2.0-2342464904en_HK
dc.identifier.hkuros140031en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2342464904&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume17en_HK
dc.identifier.issue8en_HK
dc.identifier.spage1657en_HK
dc.identifier.epage1670en_HK
dc.identifier.isiWOS:000220802400004-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, J=16443980300en_HK
dc.identifier.scopusauthoridKumar, P=7403961132en_HK

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