Physical, biological and chemical characteristics of Canadian and Danish lake...

Winter temperatures differ markedly on the Canadian prairies compared with Denmark. Between 1 January 1998 and 31 December 2002, average weekly and monthly temperatures did not...与丹麦相比，加拿大大草原地区的冬季气温存在显著差异。在1998年1月1日至2002年12月31日期间，周平均气温与月平均气温并未……