Caine, N. 2002. Declining ice thickness on an alpine lake is generated by increased winter precipitation. Climatic Change, vol 54 pp. 463-470.
Clow, D.W. 2010. Changes in the timing of snowmelt and streamflow in Colorado: A response to recent warming. Journal of Climate, vol 23 pp. 2293-2306, doi:10.1175/2009JCLI2951.1.
Liu, F.; Williams, M.W.; Caine, N. 2004. Source waters and flow paths in an alpine catchment, Colorado Front Range, United States. Water Resources Research, vol 40 , W09401, doi:10.1029/2004WR003076.
Digging a snow pit to measure temperature, snow density, and snow grain qualities at various depths in the snow cover profile.
Ice thickness for an alpine lake, Green Lake 4, showing a decline in ice depth (and duration) over time (updated from Caine 2002).