GV7 Snow Pit Water Isotope Composition from Antarctica, 2013-2014

Antarctic snow pit data from the GV7 site collected during the 2013-2014 summer season. The dataset contains water isotope composition measurements (dD, d18O) determined using cavity ringdown spectroscopy (PICARRO). It was created by AMD_KOPRI and last updated on October 10, -2014.

Use Cases

• Detect annual or seasonal snow layering based on water isotope composition.
• Analyze deuterium (dD) and oxygen-18 (d18O) isotope ratios in Antarctic snow.
• Study snow accumulation and climate proxies in the Antarctic cryosphere.
• Validate or calibrate models of isotopic fractionation in polar snowpack.

Strengths

• Data is from a specific Antarctic site (GV7) and season (2013-2014).
• Water isotope composition includes two key measurements: dD and d18O.
• Measurement method is specified as cavity ringdown spectroscopy (PICARRO).

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last updated 2014-10-10 00:00:00; freshness should be verified.

Provenance

Source

AMD_KOPRI via nasa_earthdata

Collection Method

Collected from a 3-meter snow pit; isotopes measured via cavity ringdown spectroscopy (PICARRO).

Time Range

2013-2014 summer season

Freshness

Last updated 2014-10-10 00:00:00.

Geography

GV7, Antarctica