01287nam##2200229za#45009.697533CaOODSP20210624235525cr |||||||||||150407|2010||||xxc|||||o f|0| 0 eng|dCaOODSPengn-cn---En56-192/2010E-PDFCanada.Environment Canada. Canadian Ice Service.Lake ice climatic atlas. Great Lakes, 1981-2010 [electronic resource]Downsview - Ontario : Environment Canada. [2010].157p."This Ice Atlas follows from other Canadian Ice Atlases published in 1980, 1990 and in 2000. The ice years 1980-81 through 2009-10 have been used for this publication and cover a climatological time period of 30 years, the standard for representing statistical averages and extremes. ... In addition to what was contained in the previous atlas, we have added the 30 year Median of Ice Concentration When Ice Is Present."--Page 2 of 157, Introduction.13-10-Supp2013-04-13Climate changegcpdsAtlas climatique des glaces de lac. Grands Lacs, 1981-2010 (CaOODSP)9.641649http://publications.gc.caPDF9725 KBhttps://publications.gc.ca/collections/collection_2013/ec/En56-192-2010-eng.pdf