The relationship between climatic/environmental signals from high resolution snow pit studies and meteorological conditionsEntry ID: ASAC_1172
Abstract: Metadata record for data from ASAC Project 1172 See the link below for public details on this project.
---- Public Summary from Project ----
The aim of ice core drilling is to extract information which aids in the reconstruction of past climatic conditions. There has been limited research, however, towards calibrating records preserved in the ice sheet with atmospheric conditions. The intention ... of this project is to conduct a detailed study of individual snowfall events in the upper few meters of snow and their relationship with observed meteorological conditions during the events.
Na, Ca, Cl, K, Mg are all sea salt indicator species. NO3 is a summer marker (debate exists on the primary source of this species).
Work has been carried out over three field seasons to date. 1999/2000, 2001/2002, 2004/2005.
The data are held as a series of excel spreadsheets (.xls). The files relate to snow pit and PICO ice core data collected over 2 summers at Law Dome for ASAC 1172. Below is a summary of the spreadsheets.
PICO cores between 3-10m:
Snow pits to 3m:
PICO cores between 3-10m:
Snow pit to 2.25m:
The fields in this dataset are:
Concentrations of MSA (Methansulphonic acid) Concentrations of Cl Concentrations of NO3 Concentrations of SO4 Concentrations of nss SO4 (non-seasalt sulphate) Concentrations of Na Concentrations of K Concentrations of Mg Concentrations of Ca
Start Date: 1999-09-30Stop Date: 2005-03-31
ATMOSPHERE > PRECIPITATION > PRECIPITATION ANOMALIES
ATMOSPHERE > PRECIPITATION > PRECIPITATION RATE
ATMOSPHERE > PRECIPITATION > SNOW
CRYOSPHERE > SNOW/ICE
TERRESTRIAL HYDROSPHERE > SNOW/ICE
PALEOCLIMATE > ICE CORE RECORDS > IONS
PALEOCLIMATE > ICE CORE RECORDS > ISOTOPES
PALEOCLIMATE > ICE CORE RECORDS > PARTICULATE MATTER
PALEOCLIMATE > ICE CORE RECORDS > VOLCANIC DEPOSITS
Quality Trace ion data were quality checked.
Values provided in temporal coverage are approximate only.
Access Constraints These data are publicly available for download from the provided URL.
Except for the 2004-2005 data which is not yet publicly available.
Use Constraints This data set conforms to the PICCCBY Attribution License
Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1172 when using these data.
Data Set Progress
Distribution Size: 504 KB
Distribution Format: .xls
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Phone: +61 3 6226 1876
Fax: +61 3 6226 2902
Email: mark.curran at aad.gov.au
203 Channel Highway Australian Antarctic Division
Province or State: Tasmania
Postal Code: 7050
McMorrow A.J., Curran M.A.J., van Ommen T.D., Morgan V., Pook M.J., Allison I. (2001), Intercomparison of firn core and meteorological data., Antarctic Science, 13, 3, 329-337
McMorrow A.J., Curran M.A.J., van Ommen T.D., Morgan V.I., Allison I. (2002), Features of meteorological events preserved in a high-resolution Law Dome (East Antarctica) snow pit., Annals of Glaciology, 35, 463-470
McMorrow A.J., van Ommen T.D., Morgan V., Curran M.A.J. (2004), Ultra-high-resolution seasonality of trace-ion species and oxygen isotope ratios in Antarctic firn over four annual cycles. Jacka T.H., Annals of Glaciology, 39, 34-40
Becagli S., Castellano E., Cerri O., Curran M., Frezzotti M., Marino F., Morganti A., Proposito M., Severi M., Traversi R., Udisti R. (2009), Methanesulphonic acid (MSA) stratigraphy from a Talos Dome ice core as a tool in depicting sea ice changes and southern atmospheric circulation over the previous 140 years, Atmospheric Environment, 43, 5, 1051-1058
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2000-08-09
Last DIF Revision Date: 2014-01-10