Konrad Steffen
| Konrad Steffen | |
|---|---|
| Born | 1952 (age 64–65) Switzerland |
| Citizenship | Swiss-American |
| Fields | Glaciology |
| Institutions | University of Colorado Boulder, Swiss Federal Institute for Forest, Snow and Landscape Research |
| Alma mater | ETH Zurich |
| Thesis | Surface temperature and sea ice of an arctic polynya: north water in winter : Canad. and greenlandic high arctic (1985) |
| Doctoral advisor | Atsumu Ohmura |
| Notable students | Jason Box |
| Known for | Research into climate change in the Arctic and Arctic sea ice |
| Spouse | Yes |
| Children | Two |
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Website www |
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Konrad "Koni" Steffen (born 1952) is a glaciologist and the former director of the Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder, a position he held from 2005 until he took office as the director of the Swiss Federal Institute for Forest, Snow and Landscape Research on July 1, 2012. He is known for his research into Arctic sea ice and the glaciers of Greenland, and how they are affected by global warming. He has often traveled to Greenland to study these glaciers firsthand; for example, when studying Petermann Glacier for three weeks in 2004, Steffen did so from a camp set up 4,000 feet up the flanks of the glacier's ice cap. He also operates a network of 20 weather stations on the Greenland ice sheet, the first of which, Swiss Camp, he established in 1990. He has argued that due to this ice sheet melting faster than anticipated, sea levels could rise by about 3 feet by 2100, considerably higher than the IPCC's upper limit of 59 centimetres (1.94 ft), and that Greenland might lose all its ice in 10,000 years, but Antarctica would take considerably longer, since it is so much bigger.
Steffen attended ETH Zurich, from which he received a Doctor of Science degree in 1977 and a Diplom in 1983.
Steffen was an associate professor of geography at the University of Colorado Boulder from 1991 to 1997, whereupon he became a full professor there. He was a lead author of the "Observations: Cryosphere" chapter of the IPCC AR5, released in 2013.
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