Gas Sampling on Mount Erebus

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Jean Wardell outfitting an A-Star helicopter with gas sampling gear for flights through the Erebus plume.
 A-Star helicopter being prepared for a CO2 gas collecting flight through the Erebus plume.
 Close-up of the gas sampling hose fixed to the nose antenna of an A-Star helicopter (used to sample gas by Jean Wardell).
Jean Wardell outfitting an A-Star helicopter with gas sampling gear for flights through the Erebus plume.
A-Star helicopter being prepared for a CO2 gas collecting flight through the Erebus plume.
Close-up of the gas sampling hose fixed to the nose antenna of an A-Star helicopter (used to sample gas by Jean Wardell).
A Trimble GPS unit that Jean Wardell used to precisely track her gas sampling flight through the Erebus plume.
 Jean Wardell measuring the CO2 content of an ice cave.
 Nelia Dunbar sampling warm ground for CO2 gas.
A Trimble GPS unit that Jean Wardell used to precisely track her gas sampling flight through the Erebus plume.
Jean Wardell measuring the CO2 content of an ice cave.
Nelia Dunbar sampling warm ground for CO2 gas.
Phil Kyle and Shauna Mikelic preparing filters in the lower Erebus hut.
 Filters used for particulate sampling of the Mt. Erebus plume.
 Preparing to sample Erebus plume gas with a vacuum pump.
Phil Kyle and Shauna Mikelic preparing filters in the lower Erebus hut.
Filters used for particulate sampling of the Mt. Erebus plume.
Preparing to sample Erebus plume gas with a vacuum pump.
Preparing to sample gas on the Mt. Erebus crater rim.
 Preparing for gas sampling on the crater rim of Mt. Erebus.
 Preparing for gas sampling on the crater rim of Mt. Erebus.
Preparing to sample gas on the Mt. Erebus crater rim.
Preparing for gas sampling on the crater rim of Mt. Erebus.
Preparing for gas sampling on the crater rim of Mt. Erebus.
Preparing for gas sampling on the crater rim of Mt. Erebus.
 Installing a filter rack on the crater rim.
 Pumping gas through filters at the Mt. Erebus crater rim.
Preparing for gas sampling on the crater rim of Mt. Erebus.
Installing a filter rack on the crater rim.
Pumping gas through filters at the Mt. Erebus crater rim.

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Mt. Erebus Volcano Observatory
New Mexico Institute of Mining and Technology