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. 2013 Sep 3;110(38):15216–15221. doi: 10.1073/pnas.1302570110

Fig. 2.

Fig. 2.

(A) Precipitation percentage of the 1901–2000 mean from the Historical Instrumental Climatological Surface Time Series of the Greater Alpine Region (HISTALP) database (5) (with 30-y running mean). (B) Deviation of temperature from the 1901–2000 mean from the HISTALP database (with 30-y running mean). (C) Subset of glacier length variations normalized to the range of lengths across period 1800–2000. (D) BC concentrations in the Fiescherhorn ice core (26) and Colle Gnifetti ice core (27), and estimated BC emissions for Europe (24) and for France, Switzerland, Germany, and Italy (25).