Anomalous Circulation in July 2019 Resulting in Mass Loss on the Greenland Ice Sheet

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dc.contributor.authorCullather, Richard I.
dc.contributor.authorAndrews, Lauren C.
dc.contributor.authorCroteau, Michael J.
dc.contributor.authorDigirolamo, Nicolo E.
dc.contributor.authorHall, Dorothy K.
dc.contributor.authorLim, Young-Kwon
dc.contributor.authorLoomis, Bryant D.
dc.contributor.authorShuman, Christopher
dc.contributor.authorNowicki, Sophie M. J.
dc.date.accessioned2022-02-15T13:25:53Z
dc.date.available2022-02-15T13:25:53Z
dc.date.issued2020-08-30
dc.description.abstractCurrent mass loss on the Greenland Ice Sheet (GrIS) includes a significant contribution fromsurface runoff. The circumstances associated with melt events are important for understanding the globalsea level contribution of the GrIS. In late July 2019, surface melt occurred over 62% of the GrIS, includingSummit Station. The general circulation leading to the event is found to be dissimilar to 2012 and otherevents documented in the 21st century, with warm air associated with remote atmospheric blocking overwestern Europe eventually transiting west to the GrIS. Gravimetric data indicate that the 2019 summer massloss was 137 Gt more than the 2004–2010 median, or about 92% of the 2012 record. Mass loss during theevent was significant in GrIS northeastern regions in 2019. As compared to 2012, the southwest did not fullyparticipate. Similar circulation patterns have not previously been associated with significant melt.en_US
dc.description.sponsorshipThe authors thank G.S. Partyka foruseful discussions. This work wasfunded by the NASA Sea Level ChangeTeam and the Modeling, Analysis, andPrediction programs. Michael Croteau'swork was also supported by anappointment to the NASA PostdoctoralProgram at Goddard Space FlightCenter as administered by UniversitiesSpace Research Association.en_US
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2020GL087263en_US
dc.format.extent10 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m29vx7-q1bo
dc.identifier.citationCullather, R. I., Andrews, L. C., Croteau, M. J., Digirolamo, N. E., Hall, D. K., Lim, Y.-K., et al. (2020). Anomalous circulation in July 2019 resulting in mass loss on the Greenland Ice Sheet. Geophysical Research Letters, 47, e2020GL087263. https://doi.org/10.1029/2020GL087263en_US
dc.identifier.urihttps://doi.org/10.1029/2020GL087263
dc.identifier.urihttp://hdl.handle.net/11603/24271
dc.language.isoen_USen_US
dc.publisherAGUen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.relation.ispartofUMBC Faculty Collection
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.titleAnomalous Circulation in July 2019 Resulting in Mass Loss on the Greenland Ice Sheeten_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0001-9606-767Xen_US

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