[1] Krimmel R M. Glaciers of the conterminous United States[J]. Satellite image atlas of glaciers of the world:North America:US Geological Survey Professional Paper, 2002:J329-J381. [2] Fountain A G. Glaciers online:glaciers of the American West[J/OL]. 2006.[2015-09-20]. http://glaciers.research.pdx.edu. [3] Reardon B A, Harper J T, Fagre D B. Mass balance of a cirque glacier in the US Rocky Mountains[C]//Proceedings of the mass balance measurement and modeling workshop, Skeikampen, Norway. 2008:26-28. [4] Hoffman M J, Fountain A G, Achuff J M. 20th-century variations in area of cirque glaciers and glacierets, Rocky Mountain National Park, Rocky Mountains, Colorado, USA[J]. Annals of Glaciology, 2007, 46(1):349-354. [5] O'Neal M A, Hanson B, Carisio S, et al. Detecting recent changes in the areal extent of North Cascades glaciers, USA[J]. Quaternary Research, 2015, 84(2):151-158. [6] Belmecheri S, Babst F, Wahl E R, et al. Multi-century evaluation of Sierra Nevada snowpack[J]. Nature Climate Change, 2016, 6(1):2-3. [7] Péwé T L. Alpine permafrost in the contiguous United States:a review[J]. Arctic and Alpine Research, 1983:145-156. [8] Walker J, McGraw M. Alaska[M]//Encyclopedia of the World's Coastal Landforms. Springer Netherlands, 2010:5-14. [9] Shiklomanov N I, Streletskiy D A, Nelson F E, et al. Decadal variations of active-layer thickness in moisture-controlled landscapes, Barrow, Alaska[J]. Journal of Geophysical Research:Biogeosciences, 2010, 115(G4). [10] Smith S L, Romanovsky V E, Lewkowicz A G, et al. Thermal state of permafrost in North America:a contribution to the international polar year[J]. Permafrost and Periglacial Processes, 2010, 21(2):117-135. [12] Molnia B F. Late nineteenth to early twenty-first century behavior of Alaskan glaciers as indicators of changing regional climate[J]. Global and Planetary Change, 2007, 56(1):23-56. [13] Viens R J. Dynamics and mass balance of temperate tidewater calving glaciers of southern Alaska[M]. Washington:University of Washington, 1995. [14] Schultz C. Widespread Alaska glacier retreat likely not due to climate change[J]. Eos, Transactions American Geophysical Union, 2014, 95(24):208-208. |