David Hopkins collecting gas samples from chambers to quantify carbon dioxide efflux from dry valley soils
David Hopkins collecting gas samples from chambers to quantify carbon dioxide efflux from Dry Valley soils
David Hopkins, barefoot, crossing the Onyx River near Bull Pass hut
Taking a lunch break on Bull Pass, Wright Valley, Jan 2006
K052 Garwood Valley campsite, Jan 2006.
A "lost" Adelie penguin visits K052's Garwood Valley campsite, Jan 2006
David Hopkins measuring soil surface temperature and moisture content on our spatial subsidies experimental plots
Event members at the Taylor Glacier (Taylor Valley)
