North Temperate Lakes LTER: Ice Duration - Trout Lake Area 1981 - current
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资源简介：
Data include day of freeze-up and thaw dates of seven northern primary lakes (Allequash,
Big Muskellunge, Crystal, Sparkling, Trout, unnamed 27-02 [Crystal Bog] and 12-15 [Trout
Bog]) as well as Little Rock Lake. Observations are made approximately every other day
during times of freeze and thaw. A lake is considered ice covered when the sampling station
(the deepest part of the lake) is ice covered. The lake is considered thawed when it is
possible to drive a boat from the boat landing to the sampling station without encountering
ice. Sampling Frequency: annually Number of sites: 8
创建时间：
2015-03-11
