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dc.contributor.authorSu, Hua
dc.contributor.authorYang, Zong-Liang
dc.contributor.authorDickinson, Robert E.
dc.contributor.authorWei, Jiangfeng
dc.date.accessioned2016-02-28T06:07:53Z
dc.date.available2016-02-28T06:07:53Z
dc.date.issued2014-02-22
dc.identifier.citationSu H, Yang Z-L, Dickinson RE, Wei J (2014) Spring soil moisture-precipitation feedback in the Southern Great Plains: How is it related to large-scale atmospheric conditions? Geophysical Research Letters 41: 1283–1289. Available: http://dx.doi.org/10.1002/2013GL058931.
dc.identifier.issn0094-8276
dc.identifier.doi10.1002/2013GL058931
dc.identifier.urihttp://hdl.handle.net/10754/599702
dc.description.abstractThe Southern Great Plains (SGP) has been shown as a region of significant soil moisture-precipitation (S-P) coupling. However, how strong evapotranspiration (ET) can affect regional precipitation remains largely unclear, impeding a full grasp of the S-P feedback in that area. The current study seeks to unravel, in a spring month (April), the potential role played by large-scale atmospheric conditions in shaping S (ET)-P feedback. Our regional climate modeling experiments demonstrate that the presence of anomalous low (high) pressure and cyclonic (anticyclonic) flows at the upper/middle troposphere over the relevant areas is associated with strongest (minimum) positive S-P feedback in the SGP. Their impacts are interpreted in terms of large-scale atmospheric dynamical disturbance, including the intensity and location of synoptic eddies. Further analyses of the vertical velocity fields corroborate these interpretations. In addition, the relationship between lower tropospheric moisture conditions (including winds) and feedback composites is evaluated. Key Points The S-P feedback strength in SGP in April varies inter-annually The atmospheric dynamic features affect significantly the feedback strength composite moisture conditions are related to atmospheric circulation structure ©2014. American Geophysical Union. All Rights Reserved.
dc.description.sponsorshipThis research was supported by NASA Interdisciplinary Research in Earth Science (IDS) (NNX11AE42G) and King Abdullah University of Science and Technology (KAUST).
dc.publisherWiley-Blackwell
dc.subjectland-atmosphere interaction
dc.subjectprecipitation
dc.subjectsoil moisture-precipitation feedback
dc.subjectSouthern Great Plains
dc.titleSpring soil moisture-precipitation feedback in the Southern Great Plains: How is it related to large-scale atmospheric conditions?
dc.typeArticle
dc.identifier.journalGeophysical Research Letters
dc.contributor.institutionDepartment of Geological Sciences; The John A. and Katherine G. Jackson School of Geosciences; The University of Texas at Austin; Austin Texas USA


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