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Carbon monoxide (CO) is a naturally occurring atmospheric trace gas, a regulated pollutant, and one of the main components determining the oxidative capacity of the atmosphere. Evaluating climate…
Changes in sea ice conditions and atmospheric circulation over the Southern Ocean play an important role in modulating Antarctic climate. However, observations of both sea ice and wind conditions are limited in Antarctica and the Southern Ocean, both temporally and spatially…
Radiative forcing resulting from stratospheric aerosols produced by major volcanic eruptions is a dominant driver of climate variability in the Earth's past.
The oxygen and deuterium isotopic composition of ice represent a prodigal source of information for the reconstruction of past climate.
Southern Hemisphere climate reconstructions are limited by quantity and spatial coverage of well resolved paleoclimaterecords from the last 2000 years. This was the motivation to drill an ice core at a new site in East Antarctica…
Black carbon (BC), the primary light-absorbing aerosol in the atmosphere, is emitted by the incomplete combustion of biomass and fossil fuels affecting the radiative balance of the atmosphere. As a contributor to climate change, BC may rival greenhouse gases such as methane.
In situ cosmogenic 10Be exposure dating, radiocarbon determinations, salt and sediment geochemistry, and rock weathering observations indicate that parts of Larsemann Hills, East Antarctica have been subaerially exposed throughout much of the last glacial cycle…
Sea ice is a critical but poorly understood component of … Earth’s climate system. A rapid decline in Arctic sea ice over … recent decades has been documented using historical ship … charts and satellite images. However…
The Antarctic ice cap is a unique vantage point from which to … observe the global background of black carbon aerosol (BC). Far … removed from sources, BC in the Antarctic atmosphere is largely … due to biomass burning at low- to mid-latitudes modulated by … upper tropospheric…