Antarctic Fast Ice Thickness and Snow Transects from 2015
Updated 10y ago
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Description
November-December 2015 data contains in situ measurements of ice thickness, snow thickness, and freeboard from four transects on fast ice near Davis Station, Antarctica. The dataset was collected by the Australian Antarctic Data Centre (AU_AADC) during a field deployment. It includes measurements at specific y-positions (0m to 512m) along transects starting at x-coordinates of 60m, 70m, 80m, and 90m from a defined origin.
Use Cases
Analyze spatial variability of ice thickness and snow depth across transect y-positions from 0m to 512m.
Correlate freeboard measurements with ice thickness data to study isostatic equilibrium on fast ice.
Compare ice core density analysis results from the 0m, 128m, and 512m marks with bulk thickness measurements.
Model the relationship between transect starting x-coordinate (60m, 70m, 80m, 90m) and observed ice physics parameters.
Strengths
Contains measurements from four distinct transects (T1-T4) sampled on specific dates in late 2015.
Provides detailed positional data with sampling at defined y-intervals (e.g., 0.5m, 1m, 2m, 4m, 8m, 16m, 32m, 64m, 128m, 256m, 512m).
Includes complementary data from ice cores and snow pits collected at 0m, 128m, and 512m marks for verification.
Limitations
Limited to a single field season in late 2015, offering no multi-year temporal analysis.
Small spatial scope, with transect lengths varying from 128m to 512m in one localized area near Davis Station.
Sample sizes for detailed ice core and snowpit analysis are small, taken only at a few points per transect.
Provenance
Source
Australian Antarctic Data Centre (AU_AADC).
Collection Method
In situ field measurements along defined transects on fast ice, including ice/snow thickness gauging, freeboard measurement, and ice core/snowpit sampling.
Time Range
November 19, 2015 to December 2, 2015.
Freshness
Data is from a single collection period ending December 2015.
Geography
Fast ice areas at Davis Station, Antarctica, with a reference grid origin at -68.568904° N, +77.945439° E.
The exact column names and data file formats are not specified in the provided metadata. Transect lengths and specific measurement points varied depending on working conditions.