Assel, R. A. A Computerized Ice Concentration Data Base for the Great Lakes. NOAA Data Report ERL GLERL-24, April 1983 NTIS order number: PB83-233013. Assel, R. A. Great Lakes weekly ice cover statistics. NOAA Technical Memorandum GLERL-133. NOAA, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, 27 pp. (2005).
ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-133/ Assel, R. A. Computerized National Weather Service Great Lakes ice reports for winter seasons 1899-1970. NOAA Technical Memorandum GLERL-130. NOAA, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, 31 pp. (2004).
ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-130/ Assel, R. A. A Laurentian Great Lakes ice cover climatology. Proceedings of the 61st Annual Meeting of the Eastern Snow Conference, Portland, Maine, June 9-11, 2004. 2 pp. (2004).
http://www.glerl.noaa.gov/pubs/fulltext/2004/20040027.pdf Assel, R. A., F. H. Quinn, and C. E. Sellinger. Hydro-c
limatic factors of the recent drop in Laurentian Great Lakes water levels. Bulletin of the American Meteorological Society 85(8):1143-1151 (2004).
http://www.glerl.noaa.gov/pubs/fulltext/2004/20040017.pdf Assel, R. A., S. Drobot, and T. E. Croley, II. Improving 30-day Great Lakes ice cover outlooks. Journal of Hydrometeorology 5(4):713-717 (2004).
http://www.glerl.noaa.gov/pubs/fulltext/2004/20040016.pdf Assel, R. A., S. Drobot, and T. E. CROLEY, II. Improving monthly Great Lakes ice cover outlooks. NOAA Technical Memorandum GLERL-129. NOAA, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, 22 pp. (2004).
ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-129/ Assel, R. A. Lake Erie ice cover climatology -- basin averaged ice cover: winters 1898-2002. NOAA Technical Memorandum GLERL-128. NOAA, Great Lakes Environmental Research Laboratory, Ann Arbor, MI, 15 pp. (2004).
ftp://ftp.glerl.noaa.gov/publications/tech_reports/glerl-128/