as

• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Quaternary Scie; Parry; Sea ice
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.668.8005; http://www.lter.uaf.edu/pdf/1833_He_Jones_2014.pdf

a r t i c l e i n f o namics than climatic fields within each time slice, highlighting the importance of incorporating vege-erm biogeochemical. All rights reserved. reduced extent and duration of sea ice, and ecological shifts (Bonan et al., 1992; Overpeck et al., 1997; Serreze et al., 2000; Parry et al., 2007). The impact of warming on boreal ecosystems has been well-documented and expressed as altered phenology and range., 2003; Parmesan, logical changes are which may have a, 2000; Jones et al., Reichstein, 2008). not only creates a positive feedback between ecosystem and the atmosphere via biophysical processes (increasing the radiative forcing of the land by reducing growing season albedo and increasing spring energy absorption, fluxes of sensible heat andmoisture (Bonan et al., 1992; Foley et al., 1994; Chapin et al., 2000; Grace et al., 2002)), it also causes changes in the release or absorption of globally relevant greenhouse gases (e.g., CO2 and CH4) and soil carbon (C) storage whose liberation of C into the atmosphere would have a large impact on climate (Schuur et al., 2008, 2009). Therefore, it is