Table 4 \({RSEI}_{0}\) based on reconstructed ecological sequence.

From: The HANTS-fitted RSEI constructed in the vegetation growing season reveals the spatiotemporal patterns of ecological quality

Year

Eigenvectors

Contribution rate%

RSEI mean

NDVI

TCW

NDBSI

LST

2000

− 0.43

− 0.59

0.67

0.12

84.72

0.52

2001

− 0.44

− 0.52

0.61

0.38

70.03

0.54

2002

− 0.45

− 0.58

0.65

0.16

87.24

0.56

2003

− 0.42

− 0.57

0.65

0.26

86.22

0.55

2004

− 0.43

− 0.51

0.58

0.45

75.37

0.55

2005

− 0.37

− 0.54

0.61

0.43

70.11

0.54

2006

− 0.31

− 0.54

0.61

0.48

75.65

0.52

2007

− 0.34

− 0.53

0.60

0.47

74.99

0.54

2008

− 0.32

− 0.54

0.60

0.48

75.11

0.51

2009

− 0.29

− 0.55

0.61

0.47

75.35

0.52

2010

− 0.24

− 0.60

0.66

0.35

66.32

0.51

2011

− 0.23

− 0.57

0.63

0.45

73.46

0.50

2012

− 0.50

− 0.56

0.61

0.23

86.4

0.55

2013

− 0.46

− 0.52

0.57

0.42

79.47

0.52

2014

− 0.46

− 0.51

0.56

0.44

82.79

0.54

2015

− 0.47

− 0.53

0.57

0.40

78.91

0.55

2016

− 0.45

− 0.54

0.57

0.40

78.08

0.58

2017

− 0.46

− 0.52

0.56

0.43

82.9

0.55

2018

− 0.44

− 0.53

0.56

0.44

81.12

0.53

2019

− 0.45

− 0.53

0.56

0.43

81.2

0.54

2020

− 0.47

− 0.52

0.56

0.43

83.52

0.56

Mean

− 0.40

− 0.54

0.60

0.39

78.52

0.54