20th-Century Industrial Black Carbon Emissions Altered Arctic Climate Forcing
University of California, Irvine · Droplet Measurement Technologies (United States) · +3 more institutions
Abstract
Black carbon (BC) from biomass and fossil fuel combustion alters chemical and physical properties of the atmosphere and snow albedo, yet little is known about its emission or deposition histories. Measurements of BC, vanillic acid, and non-sea-salt sulfur in ice cores indicate that sources and concentrations of BC in Greenland precipitation varied greatly since 1788 as a result of boreal forest fires and industrial activities. Beginning about 1850, industrial emissions resulted in a sevenfold increase in ice-core BC concentrations, with most change occurring in winter. BC concentrations after about 1951 were lower but increasing. At its maximum from 1906 to 1910, estimated surface climate forcing in early…
Citation impact
- FWCI
- 18.77
- Percentile
- 100%
- References
- 21
Authors
10- JRJoseph R. McConnellCorresponding
University of California, Irvine, Droplet Measurement Technologies (United States), University of Wisconsin–Milwaukee, Desert Research Institute, Nevada System of Higher Education
- RERoss Edwards
University of California, Irvine, Droplet Measurement Technologies (United States), University of Wisconsin–Milwaukee, Desert Research Institute, Nevada System of Higher Education
- GLGregory L. Kok
University of California, Irvine, Droplet Measurement Technologies (United States), University of Wisconsin–Milwaukee, Desert Research Institute, Nevada System of Higher Education
- MFM. Flanner
University of California, Irvine, Droplet Measurement Technologies (United States), University of Wisconsin–Milwaukee, Desert Research Institute, Nevada System of Higher Education
- CSCharles S. Zender
University of California, Irvine, Droplet Measurement Technologies (United States), University of Wisconsin–Milwaukee, Desert Research Institute, Nevada System of Higher Education
Topics & keywords
- Environmental science
- Snow
- Ice core
- Radiative forcing
- Arctic
- Forcing (mathematics)
- Atmospheric sciences
- Taiga