Lithium Chloride Tracer Movement in Antarctic Soils at Lake Vanda

A 1994-1996 experiment tracked the movement of a lithium chloride tracer through Antarctic soils to assess contaminant spread. The study, conducted by SCIOPS, involved repeated sampling of 1x1 meter plots over two seasons to measure salt distribution and soil moisture. Soil temperature was recorded at depths up to 55 cm, and samples were analyzed for gravimetric water content and particle size fraction.

Use Cases

• Modeling contaminant transport velocity using lithium chloride concentration data from plots sampled at 1-meter intervals.
• Analyzing the relationship between soil temperature profiles (to 55 cm depth) and seasonal moisture content changes.
• Studying particle size distribution's influence on tracer movement via the <2 mm soil fraction data.
• Calibrating hydrological models for polar deserts using the multi-seasonal salt and moisture distribution records.

Strengths

• Multi-seasonal monitoring over two full years (1994-1995 and 1995-1996).
• Includes detailed soil temperature measurements at specified depths (up to 55 cm).
• Experimental design includes control sites for comparison with treated plots.

Limitations

• Dataset is temporally stale, with the last update recorded in December 1995.
• The specific row count, column names, and sample size are unknown.
• Geographic scope is limited to a single site on the north shore of Lake Vanda, Antarctica.

Provenance

Source

SCIOPS, accessed via NASA EarthData.

Collection Method

Field experiment involving application of LiCl to 1x1 m plots, with soil sampling at the plot and at 1 m intervals downslope. Soil samples were weighed, oven-dried, and sieved at Scott Base.

Time Range

1994 to 1996.

Geography

North shore of Lake Vanda, Antarctica.