[Sensor_Name: Short_Name='GAS CHROMATOGRAPHS']
Annual measurements of atmospheric carbon dioxide concentrations and isotopic ratios from Arrival Heights, Ross Island since December 1996
Entry ID: K087_1996_2008_NZ_1

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Summary
Abstract: Carbon dioxide (CO2) in the earth's atmosphere is considered a trace gas and also a greenhouse gas. Levels of CO2 in the atmosphere are increasing due to anthropogenic activity. Small dry whole air samples (2L) are collected annually (between 12 to 18 samples since December 1996) by a pump system from Arrival Heights, dried using magnesium percholate and analysed to determine the mixing ratio of CO2 and the isotopic ratio of 13C/12C. Sample collection is aimed at the clean sector of the sky from the West through North to East, throughout the year. Measurements are traceable to World Meteorological Organisation CO2 scales.
Related URL
Link: GET DATA
Description: NIWA's atmospheric homepage with links to ftp sites with data
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -77.82   S: -77.82   E: 166.65   W: 166.65
Min Altitude: 0 Max Altitude: 200

Temporal Coverage
Start Date: 1996-12-24
Location Keywords
Science Keywords
ISO Topic Category
Platform
GROUND-BASED OBSERVATIONS Ancillary Description
Instrument
GAS CHROMATOGRAPHS Ancillary Description
Project
Quality All of the data is held by NIWA Ltd., New Zealand and is available via the ftp site listed on this page. Please contact Dr Gordon Brailsford for more information.
Data Set Progress
IN WORK
Data Center
Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand Supplemental Info
Data Center URL: http://www.antarcticanz.govt.nz/

Data Center Personnel
Name: SHULAMIT GORDON
Phone: +64 3 358 0200
Fax: +64 3 358 0211
Email: s.gordon at antarcticanz.govt.nz
Contact Address:
Antarctica New Zealand
Private Bag 4745
City: Christchurch
Country: New Zealand
Personnel
GORDON BRAILSFORD
Role: TECHNICAL CONTACT
Phone: +64 4 386 0300
Fax: +64 3 386 0574
Email: g.brailsford at niwa.co.nz
Contact Address:
National Institute of Water and Atmospheric Research Ltd. (NIWA)
PO BOX 14901
City: Wellington
Country: New Zealand
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Publications/References
Ferretti, D. The development and application of a new high precision GC-IRMS technique for N2O-free isotopic analysis of atmospheric CO2. PhD thesis?

Ferretti, D.F. and Lowe, D.C. 1998. A new technique for high precision N2O free isotopic analysis of δ13C and δ18O in atmospheric CO2 from small air samples: Conflo GS-IRMS and Pacific Ocean measurements. EOS Transactions American ... View entire text
Creation and Review Dates
DIF Creation Date: 2009-04-22
Last DIF Revision Date: 2009-06-06

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