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  • Bonanza Creek LTER: Annual Active Layer Depths at Core Floodplain Sites from 1990 to Present in the Bonanza Creek Experimental Forest near Fairbanks, Alaska
  • Viereck, Leslie
    Van Cleve, Keith
    Chapin, F Stuart; Primary Investigator (retired)
    Ruess, Roger; Primary Investigator
    Bonanza Creek LTER
  • 2021-10-11
  • Viereck, L., K. Van Cleve, F.S. Chapin, R. Ruess, and Bonanza Creek LTER. 2021. Bonanza Creek LTER: Annual Active Layer Depths at Core Floodplain Sites from 1990 to Present in the Bonanza Creek Experimental Forest near Fairbanks, Alaska ver 24. Environmental Data Initiative. https://doi.org/DOI_PLACE_HOLDER (Accessed 2024-12-27).

  • Annual thaw depths are measured at the time of maximum thaw at any of the 35 BCEF-LTER sites that have permafrost or intermittent seasonal frost. 1. Wildfire in the black spruce permafrost sites will cause an increase in the active layer thickness and subsidence of the surface layers that may last for up to 25 years. The active layer thickness should return to the pre-fire depths between 25 and 30 years after the fire. 2. Climate warming in interior Alaska may result in an increase in the active layer thickness in black spruce permafrost sites. 3. Fire and climate warming together may result in the elimination of permafrost from some black spruce permafrost sites in interior Alaska. 4. Forest succession on the floodplain of the Tanana River results in a gradual decrease in soil temperature as the organic layer increases with time. The development of a thick feathermoss layer in later stages of succession is especially important in the development of permafrost. Permanent or intermittent permafrost should develop in the older white spruce stages. Black spruce stands on the older terraces should be underlain by permafrost with a shallow active layer. 5. Climate warming will delay the formation of permafrost until the latest stages of forest succession and may eliminate it completely from floodplain stands.

  • N: 65.15393372      S: 64.68195711      E: -147.4913325      W: -148.2640747
  • knb-lter-bnz.11.24  (Uploaded 2021-10-11)  
  • 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.
  • DOI PLACE HOLDER
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