ASTER Ratio Geology Indices - SIG Science

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الاثنين، 5 أغسطس 2019

ASTER Ratio Geology Indices

Name

Specific Formula

Alteration

SWIR_Band4/SWIR_Band5

Alunite/Kaolinite/Pyrophylite

(SWIR_Band4+SWIR_Band6)/SWIR_Band5

Amphibole

SWIR_Band6/SWIR_Band8

Amphibole / MgOH

(SWIR_Band6+SWIR_Band9)/SWIR_Band8

Basic Degree Index - SIO2

TIR_Band12/TIR_Band13

Carbonate

TIR_Band13/TIR_Band14

Carbonate/Chlorite/Epidote

(SWIR_Band7+SWIR_Band9)/SWIR_Band8

Dolomite

(SWIR_Band6+SWIR_Band8)/SWIR_Band7

Epidote/Chlorite/Amphibole

(SWIR_Band6+SWIR_Band9) /

(SWIR_Band7+SWIR_Band8

Ferric Oxides

SWIR_Band4/VNIR_Band3N

Ferrous iron

(SWIR_Band5/VNIR_Band3N) +

(VNIR_Band1/VNIR_Band2)

Ferrous Silicates

SWIR_Band5/SWIR_Band4

Host Rock

SWIR_Band5/SWIR_Band6

Kaolinitic

SWIR_Band7/SWIR_Band5

Laterite

SWIR_Band4/SWIR_Band5

Muscovite

SWIR_Band7/SWIR_Band6

Phengitic

SWIR_Band5/SWIR_Band6

Quartz Rich Rocks

TIR_Band14/TIR_Band12

Sericite/Muscovite/Illite/Smecite

(SWIR_Band5+SWIR_Band7) /

SWIR_Band6

Silica 1

TIR_Band11/TIR_Band10

Silica 2

TIR_Band11/TIR_Band12

Silica 3

TIR_Band13/TIR_Band10

Silica 4

(TIR_Band11TIR_Band11) /

(TIR_Band10/TIR_Band12)

Simple Ratio MIR/Red Eisenhydroxid-Index

SWIR_Band6/VNIR_Band2

Simple Ratio SWIRI/NIR Ferrous Minerals

SWIRI/VNIR_Band3N

SiO2

TIR_Band13/TIR_Band12


https://www.sig-science.com/2019/03/Remote.Sensing.in.arcgis.html

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