Fig. 4
Comparison of long-term mean lake ice phenology derived in this research against that from Cai et al.32, where FUS, FUE, BUS, BUE represents starting date of freezing-up, ending date of freezing-up, starting date of breaking-up, and ending date of breaking-up respectively. The unit of FUS, FUE, BUS and BUE is day of year with the number larger than 365 indicates dates in the next calendar year.
