Topsoil temperature data below different vegetation types at Trail Valley Creek, Canada, 2016-2018: metadata overview

The datasets were acquired at the Arctic tundra site of Trail Valley Creek (TVC), Northwest Territories, Canada, which is underlain by continuous permafrost. With the objective to quantify thaw/freeze dynamics of the ground over time, the two study sites (about 50x50 m each) were repeatedly captured...

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Bibliographic Details
Main Authors: Grünberg, Inge, Anders, Katharina, Marx, Sabrina, Lange, Stephan, Boike, Julia
Format: Dataset
Language:English
Published: PANGAEA 2020
Subjects:
Active layer depth
Aspect
AWI_Perma
AWI Arctic Land Expedition
Based on digital elevation model of 10 m spatial resolution
CA-Land_2018_TrailValleyCreek
Classification by Walker et al. (2005)
ELEVATION
Estimated from airborne data
Event label
geo.X
Identification
LATITUDE
LONGITUDE
Measurement on the ground
Modular Observation Solutions for Earth Systems
MOSES
mCan2018
Northwest Territories
Canada
Permafrost
Permafrost Research
Quality code
see comment
Slope
snow
Snow thickness
soil temperature
T_21
T_22
T_23
T_24
T_25
T_26
T_27
T_28
T_29
T_30
T_31
T_32
T_33
T_34
T_35
T_36
T_37
T_38
T_39
T_40
T_41
Arctic
permafrost
Tundra
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.918614
https://doi.org/10.1594/PANGAEA.918614
Description
Summary:The datasets were acquired at the Arctic tundra site of Trail Valley Creek (TVC), Northwest Territories, Canada, which is underlain by continuous permafrost. With the objective to quantify thaw/freeze dynamics of the ground over time, the two study sites (about 50x50 m each) were repeatedly captured in June 2015, August 2015, and August 2016 by terrestrial laser scanning (TLS) and by Real-Time Kinematic (RTK) Global Navigation Satellite System (GNSS) measurements. Additionally, 24 fiberglass poles were anchored deep in the permafrost and, therefore, assumed to be motionless. With these poles, surface displacement was estimated by measuring repeatedly the distance between ground surface and the top of the poles in June 2015, August 2015, July 2016, August 2016 and June 2017. Furthermore, thaw depths were measured around each fiberglass pole. Additionally, one-time GNSS measurements of the ground surface elevation were acquired at a number of points outside of the two study sites.

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