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  • Warming effects of spring rainfall increase methane emissions from thawing permafrost: Site-level data from bog complex II - Carex Metrics 2014-2016
  • Neumann, Rebecca B; Affiliate Scientist
    Mooreberg, Colby J
    Lundquist, Jessica D
    Turner, Jesse C
    Waldrop, Mark P.; Affiliate Scientist
    McFarland, Jack W.; Affiliate Scientist
    Euskirchen, Eugenie S.; Senior Investigator
    Edgar, Colin; Technician
    Turetsky, Merritt R; Senior Investigator
    Bonanza Creek LTER
  • 2019-01-02
  • Neumann, R.B., C.J. Mooreberg, J.D. Lundquist, J.C. Turner, M.P. Waldrop, J.W. McFarland, E.S. Euskirchen, C. Edgar, M.R. Turetsky, and Bonanza Creek LTER. 2019. Warming effects of spring rainfall increase methane emissions from thawing permafrost: Site-level data from bog complex II - Carex Metrics 2014-2016 ver 2. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-29).
  • Methane emissions regulate the near-term global warming potential of permafrost thaw, particularly where loss of ice-rich permafrost converts forest and tundra into wetlands. Northern latitudes are expected to get warmer and wetter, and while there is consensus that warming will increase thaw and methane emissions, effects of increased precipitation are uncertain. At a thawing wetland complex in Interior Alaska, we found that interactions between rain and deep soil temperatures controlled methane emissions. In rainy years, recharge from the watershed rapidly altered wetland soil temperatures, warming the top ~80 cm of soil in spring and summer, and cooling it in autumn. When soils were warmed by spring rainfall, methane emissions increased by ~30%. The warm, deep soils early in the growing season likely supported both microbial and plant processes that enhanced emissions. Our study identifies an important and unconsidered role of rain in governing the radiative forcing of thawing permafrost landscapes. All site-level data from the studied bog, eddy covariance and micrometeorological data referenced in the published manuscript are available in the LTER data repository.

  • N: 64.7      S: 64.7      E: -148.3      W: -148.3
  • Data Use This work has been produced as part of the Long Term Ecological Research Program and data users should adhere to the Data Use Agreement of the Long Term Ecological Research Network. Citation It is considered a matter of professional ethics to acknowledge the work of other scientists. Thus, the Data User should properly cite the Data Set in any publications or in the metadata of any derived data products that were produced using the Data Set. Citation should take the following general form: Creator(s), Year of Data Publication, Title of Dataset, Publisher, Dataset identifier, Dataset URL, Dataset DOI. For Example: Van Cleve, Keith; Chapin, F. Stuart; Ruess, Roger W. 2016. Bonanza Creek Experimental Forest: Hourly Temperature (sample, min, max) at 50 cm and 150 cm from 1988 to Present, Bonanza Creek LTER - University of Alaska Fairbanks. BNZ:1, http://www.lter.uaf.edu/data/data-detail/id/1. doi:10.6073/pasta/725db90d86686be13e6d6b2da5d61217. Acknowledgement The Data User should acknowledge any institutional support or specific funding awards referenced in the metadata accompanying this dataset in any publications where the Data Set contributed significantly to its content. Acknowledgements should identify the supporting party, the party that received the support, and any identifying information such as grant numbers. For example: Data are provided by the Bonanza Creek LTER, a partnership between the University of Alaska Fairbanks, and the U.S. Forest Service. Significant funding for collection of these data was provided by the National Science Foundation Long-Term Ecological Research program (NSF Grant numbers DEB-1636476, DEB-1026415, DEB-0620579, DEB-0423442, DEB-0080609, DEB-9810217, DEB-9211769, DEB-8702629) and by the USDA Forest Service, Pacific Northwest Research Station (Agreement # RJVA-PNW-01-JV-11261952-231). Notification The Data User will notify the Data Set Contact when any derivative work or publication based on or derived from the Data Set is distributed. Collaboration The Data Set has been released in the spirit of open scientific collaboration. Data Users are thus strongly encouraged to consider consultation, collaboration and/or co-authorship with the Data Set Creator. Disclaimer While substantial efforts are made to ensure the accuracy of data and documentation contained in this Data Set, complete accuracy of data and metadata cannot be guaranteed. All data and metadata are made available in its present condition. The Data User holds all parties involved in the production or distribution of the Data Set harmless for damages resulting from its use or interpretation. Additional Acknowledgements This material is based upon work supported, in part, by the U.S. Department of Energy, Office of Science, Office of Biological and Environmental Research under Award Number DE-SC0010338 to Rebecca B Neumann and the USGS Land Change Science Program. Considerable logistic support was provided by the Bonanza Creek LTER Program, which is jointly funded by NSF (DEB 1026415) and the USDA Forest Service, Pacific Northwest Research Station (PNW01-JV112619320-16).
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