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  3. Permafrost characterization at the Alaska Peatland Experiment (APEX): Geophysical and related field data collected from 2018-2020
  4. APEX Thaw Depth Data from 2018-2019

APEX Thaw Depth Data from 2018-2019

Dates

Publication Date
Start Date
2018-06-14
End Date
2019-09-08

Citation

James, S.R, Minsley, B.J., Waldrop, M.P., McFarland, J.W., Manies, K.L., and Pastick, N.J., 2021, Permafrost characterization at the Alaska Peatland Experiment (APEX): Geophysical and related field data collected from 2018-2020: U.S. Geological Survey data release, https://doi.org/10.5066/P90M04ST.

Summary

Geophysical measurements and related field data were collected by the U.S. Geological Survey (USGS) at the Alaska Peatland Experiment (APEX) site in Interior Alaska from 2018 to 2020 to characterize subsurface thermal and hydrologic conditions along a permafrost thaw gradient. The APEX site is managed by the Bonanza Creek LTER (Long Term Ecological Research). Nine instrument sites were established in April 2018 and initially comprised a buried seismic station for continuous passive recording of the seismic wavefield, and seven of the nine sites were given a borehole for repeat nuclear magnetic resonance (NMR) logging. Between June 2018 and September 2019, measurements of active-layer thaw depth were regularly recorded at each of the [...]

Contacts

Point of Contact :
Stephanie R James
Originator :
Stephanie R James, Burke J Minsley, Mark P Waldrop, Jack W McFarland, Kristen L Manies, Neal J Pastick
Metadata Contact :
Stephanie R James, GS GGGSC DM Team
Publisher :
U.S. Geological Survey
USGS Mission Area :
Ecosystems
USGS Program :
Climate Research & Development Program
SDC Data Owner :
Geology, Geophysics, and Geochemistry Science Center
Distributor :
U.S. Geological Survey - ScienceBase

Attached Files

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APEX_2018_2019_ThawDepths.xml
Original FGDC Metadata
View 		22.12 KB application/fgdc+xml
APEX_2018_2019_ThawDepth_Data.csv 52.27 KB text/csv
Shapefile: APEX_2018_2019_ThawDepth_Data_SiteLocations.zip
APEX_2018_2019_ThawDepth_Data_SiteLocations.shx 4.61 KB
APEX_2018_2019_ThawDepth_Data_SiteLocations.shp 15.9 KB
APEX_2018_2019_ThawDepth_Data_SiteLocations.dbf 407.29 KB
APEX_2018_2019_ThawDepth_Data_SiteLocations.prj 145 Bytes
APEX_2018_2019_ThawDepth_Data_SiteLocations.cpg 10 Bytes

Purpose

These data were collected to characterize and monitor belowground changes in physical and thermal properties to better understand how ice and unfrozen water content influence permafrost thaw and soil carbon losses.

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