GF-2

Original image

Non-soil information removed image

Element

Cu

Ba

Cu

Ba

Modeling bands

Band1, 2, 4

Band1, 2, 4

R²

0.425

0.406

0.71

0.695

RESE

53.43

396.49

52.88

284.70

Significance

0.249

0.274

0.027

0.032

Equation

Y = 10.18 − 0.34*b1 + 0.49*b2 − 0.05*b4

Y = 2212.2 − 2.92*b1 + 1.741*b2 − 0.54*b4

Y = 142.9 + 0.46*b1 − 1*b2 + 0.26*b4

Y = 2634 + 3.6*b1 − 7*b2 + 1.8*b4