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Methyl Chloride, Methyl Bromide, and Carbonyl Sulfide in Deep Antarctic Ice Cores

Entry ID: saltzman_0636953

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Summary

Abstract: This award supports a project to measure methyl chloride, methyl bromide, and carbonyl sulfide in air extracted from Antarctic ice cores.

Purpose: Previous measurements in firn air and shallow ice cores suggest that the ice archive contains paleo-atmospheric signals for these gases. The goal of this study is to extend these records throughout the Holocene and into the last Glacial period to examine the behavior of these trace gases over longer time scales and a wider range of climatic conditions. These studies are exploratory, and both the ...

Related URL

Link: VIEW PROFESSIONAL HOME PAGE

Description: Professor, Earth System Science
School of Physical Sciences

Geographic Coverage

(Click for Interactive Map)

Spatial coordinates

	N: -80.02	S: -80.02	E: 119.52	W: 119.52
Min Altitude: 1530 M Max Altitude: 1530 M
Max Depth: 2164 M

	N: -72.47	S: -72.47	E: 106.8	W: 106.8

Max Depth: 3623 M

	N: -81.66	S: -81.66	E: 148.8	W: 148.8
Max Altitude: 615 M

	N: -74.67	S: -74.67	E: 158.0	W: 158.0
Max Altitude: 2440 M

Temporal Coverage

Start Date: 1947-01-01

Location Keywords

CONTINENT > ANTARCTICA

GEOGRAPHIC REGION > POLAR

Science Keywords

HUMAN DIMENSIONS > BOUNDARIES

ISO Topic Category

BOUNDARIES

IMAGERY/BASE MAPS/EARTH COVER

Platform

AERIAL PHOTOGRAPHS

Quality The major part of the coastline of the Australian Antarctic Territory was photograped in 1947 by the US Navy. The photos are stored as 9 inch B/W prints at the AAD. Selected photos have been scanned at 600 pixels/inch, 256 gray tones, and converted to JPEG files. These have then been written to single session CD roms of 650 MByte capacity. Consistent Position data for each scanned photo has been calculated by linear interpolation along the flight line. There may be large errors in the positions of some of the photos. Each image is approximately 15 MB in size.

Access Constraints Contact the investigator for access to the cd's or the photos.

Use Constraints This data set conforms to the PICCCBY Attribution License
(http://creativecommons.org/licenses/by/3.0/).

Must be cited properly

Ancillary Keywords

AERIAL PHOTOGRAPHY

HIGHJUMP

US NAVY

Data Set Progress

COMPLETE

Originating Center

AAD

Data Center

Australian Antarctic Data Centre, Australia

Data Center URL: http://data.aad.gov.au

Data Center Personnel
Name: DATA OFFICER AADC Phone: +61 3 6232 3244 Fax: +61 3 6232 3351 Email: metadata at aad.gov.au Contact Address: Australian Antarctic Division 203 Channel Highway City: Kingston Province or State: Tasmania Postal Code: 7050 Country: Australia