Global patterns of lake ice phenology and climate: Model simulations and observations

dc.contributorVirginia Tech. Department of Forest Resources and Environmental Conservationen
dc.contributor.authorWalsh, Sinead E.en
dc.contributor.authorVavrus, Stephen J.en
dc.contributor.authorFoley, Jonathan A.en
dc.contributor.authorFisher, Veronica A.en
dc.contributor.authorWynne, Randolph H.en
dc.contributor.authorLenters, John D.en
dc.contributor.departmentForest Resources and Environmental Conservationen
dc.coverage.spatialWisconsinen
dc.date.accessed2014-04-16en
dc.date.accessioned2015-09-27T23:48:14Zen
dc.date.available2015-09-27T23:48:14Zen
dc.date.issued1998-11-27en
dc.description.abstractLake ice phenology parameters (dates of ice onset and thaw) provide an integrative climatic description of autumn to springtime conditions. Interannual variations in lake ice duration and thickness allow estimates of local climatic variability. In addition, long-term changes in lake ice phenology may provide a robust indication of climatic change. The relationship between lake ice and climate enables the use of process-based models for predicting the dates of freeze-up and thaw. LIMNOS (Lake Ice Model Numerical Operational Simulator) is one such model, which was originally designed to simulate the ice phenology of several lakes in southern Wisconsin. In this study, LIMNOS is modified to run globally on a 0.5° by 0.5° latitude-longitude grid using average monthly climate data. We initially simulate the ice phenology for lakes of 5- and 20-m mean depths across the northern hemisphere to demonstrate the effects of lake depth, latitude, and elevation on ice phenology. To evaluate the results of LIMNOS we also simulate the ice phenology of 30 lakes across the northern hemisphere which have long-term ice records. LIMNOS reproduces the general geographic patterns of ice-on and ice-off dates, although ice-off dates tend to occur later in the model. Lakes with extreme depths, surface areas, or precipitation are simulated less accurately than small, shallow lakes. This study reveals strengths and weaknesses of LIMNOS and suggests aspects which need improving. Future investigations should focus on the use of geographically extensive lake ice observations and modeling to elucidate patterns of climatic variability and/or climate change.en
dc.description.sponsorshipNational Science Foundation (U.S.) - DEB-9011660en
dc.description.sponsorshipNational Science Foundation (U.S.) - DEB-9416810en
dc.description.sponsorshipUnited States. National Aeronautics and Space Administration - NGT-30346en
dc.description.sponsorshipUnited States. National Aeronautics and Space Administration – NAG5-3513en
dc.description.sponsorshipUniversity of Wisconsin–Madison. Institute for Environmental Studies. Climate, People, and Environment Program (CPEP)en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWalsh, S. E., Vavrus, S. J., Foley, J. A., Fisher, V. A., Wynne, R. H., & Lenters, J. D. (1998). Global Patterns of Lake Ice Phenology and Climate: Model Simulations and Observations. Journal of Geophysical Research: Atmospheres, 103(D22), 28825-28837. doi: 10.1029/98JD02275en
dc.identifier.doihttps://doi.org/10.1029/98JD02275en
dc.identifier.issn2169-897Xen
dc.identifier.urihttp://hdl.handle.net/10919/56651en
dc.language.isoen_USen
dc.publisherAmerican Geophysical Unionen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSea iceen
dc.subjectTemperatureen
dc.titleGlobal patterns of lake ice phenology and climate: Model simulations and observationsen
dc.title.serialJournal of Geophysical Research-Atmospheresen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

Files

Original bundle
Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
1998_Walsh_et_al.pdf
Size:
1.56 MB
Format:
Adobe Portable Document Format
Description: