Table 4 TGSI reclassification values along with min, max, and standard deviation values from 1990 to 2020.

From: Aeolian sand migration induced land degradation and desertification hotspots identification in the semi-arid rain shadow regions of Anantapur, India

Year

Reclassification

Minimum value

Maximum value

Standard deviation

1990

 − 0.306 to − 0.087

 − 0.306

0.411

0.185

 − 0.087 to 0.003

0.003 to 0.061

0.061 to 0.129

0.129 to 0.411

2000

 − 0.225 to − 0.081

 − 0.225

0.241

0.130

 − 0.081 to 0.001

0.001 to 0.056

0.056 to 0.118

0.118 to 0.241

2010

 − 0.209 to − 0.065

 − 0.209

0.209

0.113

 − 0.065 to − 0.010

 − 0.010 to 0.038

0.038 to 0.095

0.095 to 0.209

2020

 − 0.136 to − 0.033

 − 0.136

0.202

0.092

 − 0.033 to 0.012

0.012 to 0.054

0.054 to 0.101

0.101 to 0.202

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