Table 4
Statistical relationships between themelt season and open period for theNEP. Significance
levels are P b 0.001 (***), P b 0.01 (**), and P b 0.05 (*). n.s. denotes insignificant at the 0.05
level.
Chukchi East
Siberian
Laptev Kara
Melt onset vs. melt season −0.64*** −0.53** −0.83*** −0.84***
Freeze-up vs. melt season 0.89*** 0.96*** 0.94*** 0.94***
Melt onset vs. freeze-up n.s. n.s. −0.58*** −0.61***
Melt season vs. open period (75%) 0.72*** 0.89*** 0.86*** 0.81