Table 2 Correlation coefficients for extreme temperature indices in the Qilian Mountains.
TM | SU25 | TR20 | ID0 | TX10p | TX90p | TN10p | TN90p | CSDI | WSDI | FD0 | GSL | DTR | TXx | TNx | TXn | TNn | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TM | 1 | ||||||||||||||||
SU25 | 0.69** | 1 | |||||||||||||||
TR20 | 0.49** | 0.79** | 1 | ||||||||||||||
ID0 | −0.83** | −0.42** | −0.29* | 1 | |||||||||||||
TX10p | −0.84** | −0.64** | −0.39** | 0.75** | 1 | ||||||||||||
TX90p | 0.89** | 0.74** | 0.52** | −0.71** | −0.65** | 1 | |||||||||||
TN10p | −0.93** | −0.57** | −0.44** | 0.76** | 0.80** | −0.71** | 1 | ||||||||||
TN90p | 0.93** | 0.72** | 0.58** | −0.69** | −0.65** | 0.93** | −0.80** | 1 | |||||||||
CSDI | −0.49** | −0.25* | −0.26* | 0.47** | 0.43** | −0.27* | 0.65** | −0.33** | 1 | ||||||||
WSDI | 0.61** | 0.63** | 0.61** | −0.47** | −0.44** | 0.75** | −0.51** | 0.68** | −0.26* | 1 | |||||||
FD0 | −0.89** | −0.56** | −0.39** | 0.60** | 0.68** | −0.77** | 0.88** | −0.87** | 0.42** | −0.54** | 1 | ||||||
GSL | 0.73** | 0.52** | 0.28* | −0.45** | −0.62** | 0.69** | −0.68** | 0.74** | −0.24* | 0.36* | −0.84** | 1 | |||||
DTR | −0.24* | 0.04 | −0.16 | 0.06 | −0.13 | −0.07 | 0.42** | −0.33** | 0.35** | −0.05 | 0.45** | −0.22 | 1 | ||||
TXx | 0.45** | 0.84** | 0.81** | −0.25* | −0.40** | 0.48** | −0.39** | 0.48** | −0.26* | 0.52** | −0.31* | 0.20 | −0.01 | 1 | |||
TNx | 0.48** | 0.69** | 0.85** | −0.21 | −0.33** | 0.50** | −0.45** | 0.58** | −0.28* | 0.48** | −0.44** | 0.34** | −0.25* | 0.74** | 1 | ||
TXn | 0.43** | 0.26* | 0.15 | −0.47** | −0.56** | 0.32** | −0.43** | 0.26* | −0.46** | 0.25* | −0.32** | 0.20** | 0.19 | 0.11 | 0.07 | 1 | |
TNn | 0.46** | 0.22 | 0.17 | −0.49** | −0.41** | 0.37** | −0.47** | 0.32** | −0.53** | 0.28* | −0.34** | 0.12** | −0.05 | 0.12 | 0.13 | 0.84** | 1 |