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Increase of upper troposphere/lower stratosphere wave baroclinicity during the second half of the 20th century
upper troposphere lower stratosphere wave baroclinicity 20th century
2009/12/31
A strengthening of the equatorward temperature gradient in the upper troposphere/lower stratosphere (UTLS), at subtropics and midlatitudes, is consistently reproduced in several modelling studies of t...
20th century trends and budget implications of chloroform and related tri-and dihalomethanes inferred from firn air
budget implications of chloroform tri-and dihalomethanes firn air
2009/1/13
Four trihalomethane (THM; CHCl3, CHBrCl2, CHBr2Cl and CHBr3) and two dihalomethane (DHM; CH2BrCl and CH2Br2) trace gases have been measured in air extracted from polar firn collected at the North Gre...
Evidence for a CO increase in the SH during the 20th century based on firn air samples from Berkner Island, Antarctica
CO SH firn air samples Berkner Island Antarctica
2008/11/28
Trends of carbon monoxide (CO) for the past 100 years are reported as derived from Antarctic firn drilling expeditions. Only one of 3 campaigns provided high quality results. The trend was reconstruct...
