Temperature variability at Siple Dome, West Antarctica, derived from ECMWF re-analyses, SSM/I and SMMR brightness temperatures and AWS records

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dc.contributor.authorDas, Sarah B.
dc.contributor.authorAlley, Richard B.
dc.contributor.authorReusch, David B.
dc.contributor.authorShuman, Christopher
dc.date.accessioned2022-02-21T15:42:49Z
dc.date.available2022-02-21T15:42:49Z
dc.date.issued2017-09-14
dc.description.abstractWe produced four independent temperature time series derived from different sensors for the Siple Dome region of West Antarctica to investigate seasonal to interannual temperature variability over the last 20 years. We use data from automatic weather station air-temperature records (1997–99), European Centre for Medium-range Weather Forecasts surface temperature from the 15 year re-analyses (ERA-15, 1979–93), and emissivity-corrected brightness temperatures from the Special Sensor Microwave/Imager (1987–99) and the Scanning Multichannel Microwave Radiometer (1978–87). Each technique has limitations and errors, but all respond to temperature, and all agree in the large patterns of temperature variability over time. Our results show that there is high seasonal to interannual variability in both mean temperature and variance in the Siple Dome region during the study period. In particular, fluctuations in seasonal to interannual temperature variance occur on an approximately 5 year cycle and correlate with variations in the Southern Oscillation Index.en_US
dc.description.sponsorshipWe thank J.-G. Winther and two anonymous reviewers for constructive comments. The SSM/I and SMMR data used in this study were provided by the NSIDC, University of Colorado. We thank C. Stearns and the Antarctic Automatic Weather Station Project, University of Wisconsin, for the AWS data. The ERAdatawere provided by the U.S.National Center for Atmospheric Research, Boulder, CO. This research is supported by NASA grant NAG5-7776 and by U.S. National Science Foundation grant OPP-9814485 to The Pennsylvania State University, and by a NASA Earth System Science Fellowship to S. B. Das.en_US
dc.description.urihttps://www.cambridge.org/core/journals/annals-of-glaciology/article/temperature-variability-at-siple-dome-west-antarctica-derived-from-ecmwf-reanalyses-ssmi-and-smmr-brightness-temperatures-and-aws-records/5EDA16088E12C6DBDFA4023B7439016Fen_US
dc.format.extent7 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2xwgv-eld0
dc.identifier.citationDas, Sarah B., Richard B. Alley, David B. Reusch, and Christopher A. Shuman. 2002. “Temperature Variability at Siple Dome, West Antarctica, Derived from ECMWF Re-Analyses, SSM/I and SMMR Brightness Temperatures and AWS Records.” Annals of Glaciology 34. Cambridge University Press: 106–12. doi:10.3189/172756402781817699.en_US
dc.identifier.urihttps://doi.org/10.3189/172756402781817699
dc.identifier.urihttp://hdl.handle.net/11603/24297
dc.language.isoen_USen_US
dc.publisherCambridge University Pressen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleTemperature variability at Siple Dome, West Antarctica, derived from ECMWF re-analyses, SSM/I and SMMR brightness temperatures and AWS recordsen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0001-9606-767Xen_US

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