Spectral Indices by Type

Note

All spectral indices listed here are considered broad-band spectral indices. Narrow-band spectral indices are coerced to the closest broad-band spectrum.

Vegetation

Vegetation Spectral Indices

Index

Long Name

Equation

AFRI1600

Aerosol Free Vegetation Index (1600 nm) [ref]

\((N-0.66\times S1)/(N+0.66\times S1)\)

AFRI2100

Aerosol Free Vegetation Index (2100 nm) [ref]

\((N-0.5\times S2)/(N+0.5\times S2)\)

ARI

Anthocyanin Reflectance Index [ref]

\((1/G)-(1/RE1)\)

ARI2

Anthocyanin Reflectance Index 2 [ref]

\(N\times ((1/G)-(1/RE1))\)

ARVI

Atmospherically Resistant Vegetation Index [ref]

\((N-(R-\gamma \times (R-B)))/(N+(R-\gamma \times (R-B)))\)

ATSAVI

Adjusted Transformed Soil-Adjusted Vegetation Index [ref]

\(sla\times (N-sla\times R-slb)/(sla\times N+R-sla\times slb+0.08\times (1+sla^{2.0}))\)

AVI

Advanced Vegetation Index [ref]

\((N\times (1.0-R)\times (N-R))^(1/3)\)

BCC

Blue Chromatic Coordinate [ref]

\(B/(R+G+B)\)

BNDVI

Blue Normalized Difference Vegetation Index [ref]

\((N-B)/(N+B)\)

BWDRVI

Blue Wide Dynamic Range Vegetation Index [ref]

\((\alpha \times N-B)/(\alpha \times N+B)\)

CCI

Chlorophyll Carotenoid Index [ref]

\((G1-R)/(G1+R)\)

CIG

Chlorophyll Index Green [ref]

\((N/G)-1.0\)

CIRE

Chlorophyll Index Red Edge [ref]

\((N/RE1)-1\)

CVI

Chlorophyll Vegetation Index [ref]

\((N\times R)/(G^{2.0})\)

DSI

Drought Stress Index [ref]

\(S1/N\)

DSWI1

Disease-Water Stress Index 1 [ref]

\(N/S1\)

DSWI2

Disease-Water Stress Index 2 [ref]

\(S1/G\)

DSWI3

Disease-Water Stress Index 3 [ref]

\(S1/R\)

DSWI4

Disease-Water Stress Index 4 [ref]

\(G/R\)

DSWI5

Disease-Water Stress Index 5 [ref]

\((N+G)/(S1+R)\)

DVI

Difference Vegetation Index [ref]

\(N-R\)

DVIplus

Difference Vegetation Index Plus [ref]

\(((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N-R\)

EBI

Enhanced Bloom Index [ref]

\((R+G+B)/((G/B)\times (R-B+epsilon))\)

EVI

Enhanced Vegetation Index [ref]

\(g\times (N-R)/(N+C1\times R-C2\times B+L)\)

EVI2

Two-Band Enhanced Vegetation Index [ref]

\(g\times (N-R)/(N+2.4\times R+L)\)

ExG

Excess Green Index [ref]

\(2\times G-R-B\)

ExGR

ExG - ExR Vegetation Index [ref]

\((2.0\times G-R-B)-(1.3\times R-G)\)

ExR

Excess Red Index [ref]

\(1.3\times R-G\)

FCVI

Fluorescence Correction Vegetation Index [ref]

\(N-((R+G+B)/3.0)\)

GARI

Green Atmospherically Resistant Vegetation Index [ref]

\((N-(G-(B-R)))/(N-(G+(B-R)))\)

GBNDVI

Green-Blue Normalized Difference Vegetation Index [ref]

\((N-(G+B))/(N+(G+B))\)

GCC

Green Chromatic Coordinate [ref]

\(G/(R+G+B)\)

GDVI

Generalized Difference Vegetation Index [ref]

\(((N^{n})-(R^{n}))/((N^{n})+(R^{n}))\)

GEMI

Global Environment Monitoring Index [ref]

\(((2.0\times ((N^{2.0})-(R^{2.0}))+1.5\times N+0.5\times R)/(N+R+0.5))\times (1.0-0.25\times ((2.0\times ((N^{2.0})-(R^2))+1.5\times N+0.5\times R)/(N+R+0.5)))-((R-0.125)/(1-R))\)

GLI

Green Leaf Index [ref]

\((2.0\times G-R-B)/(2.0\times G+R+B)\)

GM1

Gitelson and Merzlyak Index 1 [ref]

\(RE2/G\)

GM2

Gitelson and Merzlyak Index 2 [ref]

\(RE2/RE1\)

GNDVI

Green Normalized Difference Vegetation Index [ref]

\((N-G)/(N+G)\)

GOSAVI

Green Optimized Soil Adjusted Vegetation Index [ref]

\((N-G)/(N+G+0.16)\)

GRNDVI

Green-Red Normalized Difference Vegetation Index [ref]

\((N-(G+R))/(N+(G+R))\)

GRVI

Green Ratio Vegetation Index [ref]

\(N/G\)

GSAVI

Green Soil Adjusted Vegetation Index [ref]

\((1.0+L)\times (N-G)/(N+G+L)\)

GVMI

Global Vegetation Moisture Index [ref]

\(((N+0.1)-(S2+0.02))/((N+0.1)+(S2+0.02))\)

IAVI

New Atmospherically Resistant Vegetation Index [ref]

\((N-(R-\gamma \times (B-R)))/(N+(R-\gamma \times (B-R)))\)

IKAW

Kawashima Index [ref]

\((R-B)/(R+B)\)

IPVI

Infrared Percentage Vegetation Index [ref]

\(N/(N+R)\)

IRECI

Inverted Red-Edge Chlorophyll Index [ref]

\((RE3-R)/(RE1/RE2)\)

MCARI

Modified Chlorophyll Absorption in Reflectance Index [ref]

\(((RE1-R)-0.2\times (RE1-G))\times (RE1/R)\)

MCARI1

Modified Chlorophyll Absorption in Reflectance Index 1 [ref]

\(1.2\times (2.5\times (N-R)-1.3\times (N-G))\)

MCARI2

Modified Chlorophyll Absorption in Reflectance Index 2 [ref]

\((1.5\times (2.5\times (N-R)-1.3\times (N-G)))/((((2.0\times N+1)^2)-(6.0\times N-5\times (R^{0.5}))-0.5)^{0.5})\)

MCARI705

Modified Chlorophyll Absorption in Reflectance Index (705 and 750 nm) [ref]

\(((RE2-RE1)-0.2\times (RE2-G))\times (RE2/RE1)\)

MCARIOSAVI

MCARI/OSAVI Ratio [ref]

\((((RE1-R)-0.2\times (RE1-G))\times (RE1/R))/(1.16\times (N-R)/(N+R+0.16))\)

MCARIOSAVI705

MCARI/OSAVI Ratio (705 and 750 nm) [ref]

\((((RE2-RE1)-0.2\times (RE2-G))\times (RE2/RE1))/(1.16\times (RE2-RE1)/(RE2+RE1+0.16))\)

MGRVI

Modified Green Red Vegetation Index [ref]

\((G^{2.0}-R^{2.0})/(G^{2.0}+R^{2.0})\)

MNDVI

Modified Normalized Difference Vegetation Index [ref]

\((N-S2)/(N+S2)\)

MNLI

Modified Non-Linear Vegetation Index [ref]

\((1+L)\times ((N^2)-R)/((N^2)+R+L)\)

MRBVI

Modified Red Blue Vegetation Index [ref]

\((R^{2.0}-B^{2.0})/(R^{2.0}+B^{2.0})\)

MSAVI

Modified Soil-Adjusted Vegetation Index [ref]

\(0.5\times (2.0\times N+1-(((2\times N+1)^2)-8\times (N-R))^{0.5})\)

MSI

Moisture Stress Index [ref]

\(S1/N\)

MSR

Modified Simple Ratio [ref]

\((N/R-1)/((N/R+1)^{0.5})\)

MSR705

Modified Simple Ratio (705 and 750 nm) [ref]

\((RE2/RE1-1)/((RE2/RE1+1)^{0.5})\)

MTCI

MERIS Terrestrial Chlorophyll Index [ref]

\((RE2-RE1)/(RE1-R)\)

MTVI1

Modified Triangular Vegetation Index 1 [ref]

\(1.2\times (1.2\times (N-G)-2.5\times (R-G))\)

MTVI2

Modified Triangular Vegetation Index 2 [ref]

\((1.5\times (1.2\times (N-G)-2.5\times (R-G)))/((((2.0\times N+1)^2)-(6.0\times N-5\times (R^{0.5}))-0.5)^{0.5})\)

ND705

Normalized Difference (705 and 750 nm) [ref]

\((RE2-RE1)/(RE2+RE1)\)

NDDI

Normalized Difference Drought Index [ref]

\((((N-R)/(N+R))-((G-N)/(G+N)))/(((N-R)/(N+R))+((G-N)/(G+N)))\)

NDGI

Normalized Difference Greenness Index [ref]

\((((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N-R)/(((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} ))\times G+(1.0-((\lambda_{N} -\lambda_{R} )/(\lambda_{N} -\lambda_{G} )))\times N+R)\)

NDII

Normalized Difference Infrared Index [ref]

\((N-S1)/(N+S1)\)

NDMI

Normalized Difference Moisture Index [ref]

\((N-S1)/(N+S1)\)

NDPI

Normalized Difference Phenology Index [ref]

\((N-(\alpha \times R+(1.0-\alpha )\times S1))/(N+(\alpha \times R+(1.0-\alpha )\times S1))\)

NDREI

Normalized Difference Red Edge Index [ref]

\((N-RE1)/(N+RE1)\)

NDVI

Normalized Difference Vegetation Index [ref]

\((N-R)/(N+R)\)

NDVI705

Normalized Difference Vegetation Index (705 and 750 nm) [ref]

\((RE2-RE1)/(RE2+RE1)\)

NDYI

Normalized Difference Yellowness Index [ref]

\((G-B)/(G+B)\)

NGRDI

Normalized Green Red Difference Index [ref]

\((G-R)/(G+R)\)

NIRv

Near-Infrared Reflectance of Vegetation [ref]

\(((N-R)/(N+R))\times N\)

NIRvH2

Hyperspectral Near-Infrared Reflectance of Vegetation [ref]

\(N-R-k\times (\lambda_{N} -\lambda_{R} )\)

NIRvP

Near-Infrared Reflectance of Vegetation and Incoming PAR [ref]

\(((N-R)/(N+R))\times N\times PAR\)

NLI

Non-Linear Vegetation Index [ref]

\(((N^2)-R)/((N^2)+R)\)

NMDI

Normalized Multi-band Drought Index [ref]

\((N-(S1-S2))/(N+(S1-S2))\)

NRFIg

Normalized Rapeseed Flowering Index Green [ref]

\((G-S2)/(G+S2)\)

NRFIr

Normalized Rapeseed Flowering Index Red [ref]

\((R-S2)/(R+S2)\)

NormG

Normalized Green [ref]

\(G/(N+G+R)\)

NormNIR

Normalized NIR [ref]

\(N/(N+G+R)\)

NormR

Normalized Red [ref]

\(R/(N+G+R)\)

OCVI

Optimized Chlorophyll Vegetation Index [ref]

\((N/G)\times (R/G)^{c}\)

OSAVI

Optimized Soil-Adjusted Vegetation Index [ref]

\((N-R)/(N+R+0.16)\)

PSRI

Plant Senescing Reflectance Index [ref]

\((R-B)/RE2\)

RCC

Red Chromatic Coordinate [ref]

\(R/(R+G+B)\)

RDVI

Renormalized Difference Vegetation Index [ref]

\((N-R)/((N+R)^{0.5})\)

REDSI

Red-Edge Disease Stress Index [ref]

\(((705.0-665.0)\times (RE3-R)-(783.0-665.0)\times (RE1-R))/(2.0\times R)\)

RENDVI

Red Edge Normalized Difference Vegetation Index [ref]

\((RE2-RE1)/(RE2+RE1)\)

RGBVI

Red Green Blue Vegetation Index [ref]

\((G^{2.0}-B\times R)/(G^{2.0}+B\times R)\)

RGRI

Red-Green Ratio Index [ref]

\(R/G\)

RI

Redness Index [ref]

\((R-G)/(R+G)\)

RVI

Ratio Vegetation Index [ref]

\(RE2/R\)

S2REP

Sentinel-2 Red-Edge Position [ref]

\(705.0+35.0\times ((((RE3+R)/2.0)-RE1)/(RE2-RE1))\)

SARVI

Soil Adjusted and Atmospherically Resistant Vegetation Index [ref]

\((1+L)\times (N-(R-(R-B)))/(N+(R-(R-B))+L)\)

SAVI

Soil-Adjusted Vegetation Index [ref]

\((1.0+L)\times (N-R)/(N+R+L)\)

SAVI2

Soil-Adjusted Vegetation Index 2 [ref]

\(N/(R+(slb/sla))\)

SEVI

Shadow-Eliminated Vegetation Index [ref]

\((N/R)+fdelta\times (1.0/R)\)

SI

Shadow Index [ref]

\(((1.0-B)\times (1.0-G)\times (1.0-R))^(1/3)\)

SIPI

Structure Insensitive Pigment Index [ref]

\((N-A)/(N-R)\)

SLAVI

Specific Leaf Area Vegetation Index [ref]

\(N/(R+S2)\)

SR

Simple Ratio [ref]

\(N/R\)

SR2

Simple Ratio (800 and 550 nm) [ref]

\(N/G\)

SR3

Simple Ratio (860, 550 and 708 nm) [ref]

\(N2/(G\times RE1)\)

SR555

Simple Ratio (555 and 750 nm) [ref]

\(RE2/G\)

SR705

Simple Ratio (705 and 750 nm) [ref]

\(RE2/RE1\)

SeLI

Sentinel-2 LAI Green Index [ref]

\((N2-RE1)/(N2+RE1)\)

TCARI

Transformed Chlorophyll Absorption in Reflectance Index [ref]

\(3\times ((RE1-R)-0.2\times (RE1-G)\times (RE1/R))\)

TCARIOSAVI

TCARI/OSAVI Ratio [ref]

\((3\times ((RE1-R)-0.2\times (RE1-G)\times (RE1/R)))/(1.16\times (N-R)/(N+R+0.16))\)

TCARIOSAVI705

TCARI/OSAVI Ratio (705 and 750 nm) [ref]

\((3\times ((RE2-RE1)-0.2\times (RE2-G)\times (RE2/RE1)))/(1.16\times (RE2-RE1)/(RE2+RE1+0.16))\)

TCI

Triangular Chlorophyll Index [ref]

\(1.2\times (RE1-G)-1.5\times (R-G)\times (RE1/R)^{0.5}\)

TDVI

Transformed Difference Vegetation Index [ref]

\(1.5\times ((N-R)/((N^{2.0}+R+0.5)^{0.5}))\)

TGI

Triangular Greenness Index [ref]

\(-0.5\times (190\times (R-G)-120\times (R-B))\)

TRRVI

Transformed Red Range Vegetation Index [ref]

\(((RE2-R)/(RE2+R))/(((N-R)/(N+R))+1.0)\)

TSAVI

Transformed Soil-Adjusted Vegetation Index [ref]

\(sla\times (N-sla\times R-slb)/(sla\times N+R-sla\times slb)\)

TTVI

Transformed Triangular Vegetation Index [ref]

\(0.5\times ((865.0-740.0)\times (RE3-RE2)-(N2-RE2)\times (783.0-740))\)

TVI

Transformed Vegetation Index [ref]

\((((N-R)/(N+R))+0.5)^{0.5}\)

TriVI

Triangular Vegetation Index [ref]

\(0.5\times (120\times (N-G)-200\times (R-G))\)

VARI

Visible Atmospherically Resistant Index [ref]

\((G-R)/(G+R-B)\)

VARI700

Visible Atmospherically Resistant Index (700 nm) [ref]

\((RE1-1.7\times R+0.7\times B)/(RE1+1.3\times R-1.3\times B)\)

VI700

Vegetation Index (700 nm) [ref]

\((RE1-R)/(RE1+R)\)

VIG

Vegetation Index Green [ref]

\((G-R)/(G+R)\)

WDRVI

Wide Dynamic Range Vegetation Index [ref]

\((\alpha \times N-R)/(\alpha \times N+R)\)

WDVI

Weighted Difference Vegetation Index [ref]

\(N-sla\times R\)

mND705

Modified Normalized Difference (705, 750 and 445 nm) [ref]

\((RE2-RE1)/(RE2+RE1-A)\)

mSR705

Modified Simple Ratio (705 and 445 nm) [ref]

\((RE2-A)/(RE2+A)\)

Burn

Burn Spectral Indices

Index

Long Name

Equation

BAI

Burned Area Index [ref]

\(1.0/((0.1-R)^{2.0}+(0.06-N)^{2.0})\)

BAIM

Burned Area Index adapted to MODIS [ref]

\(1.0/((0.05-N)^{2.0})+((0.2-S2)^{2.0})\)

BAIS2

Burned Area Index for Sentinel 2 [ref]

\((1.0-((RE2\times RE3\times N2)/R)^{0.5})\times (((S2-N2)/(S2+N2)^{0.5})+1.0)\)

CSI

Char Soil Index [ref]

\(N/S2\)

CSIT

Char Soil Index Thermal [ref]

\(N/(S2\times T/10000.0)\)

MIRBI

Mid-Infrared Burn Index [ref]

\(10.0\times S2-9.8\times S1+2.0\)

NBR

Normalized Burn Ratio [ref]

\((N-S2)/(N+S2)\)

NBR2

Normalized Burn Ratio 2 [ref]

\((S1-S2)/(S1+S2)\)

NBRSWIR

Normalized Burn Ratio SWIR [ref]

\((S2-S1-0.02)/(S2+S1+0.1)\)

NBRT1

Normalized Burn Ratio Thermal 1 [ref]

\((N-(S2\times T/10000.0))/(N+(S2\times T/10000.0))\)

NBRT2

Normalized Burn Ratio Thermal 2 [ref]

\(((N/(T/10000.0))-S2)/((N/(T/10000.0))+S2)\)

NBRT3

Normalized Burn Ratio Thermal 3 [ref]

\(((N-(T/10000.0))-S2)/((N-(T/10000.0))+S2)\)

NBRplus

Normalized Burn Ratio Plus [ref]

\((S2-N2-G-B)/(S2+N2+G+B)\)

NDSWIR

Normalized Difference SWIR [ref]

\((N-S1)/(N+S1)\)

NDVIT

Normalized Difference Vegetation Index Thermal [ref]

\((N-(R\times T/10000.0))/(N+(R\times T/10000.0))\)

NSTv1

NIR-SWIR-Temperature Version 1 [ref]

\(((N-S2)/(N+S2))\times T\)

NSTv2

NIR-SWIR-Temperature Version 2 [ref]

\((N-(S2+T))/(N+(S2+T))\)

SAVIT

Soil-Adjusted Vegetation Index Thermal [ref]

\((1.0+L)\times (N-(R\times T/10000.0))/(N+(R\times T/10000.0)+L)\)

VI6T

VI6T Index [ref]

\((N-T/10000.0)/(N+T/10000.0)\)

Water

Water Spectral Indices

Index

Long Name

Equation

ANDWI

Augmented Normalized Difference Water Index [ref]

\((B+G+R-N-S1-S2)/(B+G+R+N+S1+S2)\)

AWEInsh

Automated Water Extraction Index [ref]

\(4.0\times (G-S1)-0.25\times N+2.75\times S2\)

AWEIsh

Automated Water Extraction Index with Shadows Elimination [ref]

\(B+2.5\times G-1.5\times (N+S1)-0.25\times S2\)

LSWI

Land Surface Water Index [ref]

\((N-S1)/(N+S1)\)

MBWI

Multi-Band Water Index [ref]

\((\omega \times G)-R-N-S1-S2\)

MLSWI26

Modified Land Surface Water Index (MODIS Bands 2 and 6) [ref]

\((1.0-N-S1)/(1.0-N+S1)\)

MLSWI27

Modified Land Surface Water Index (MODIS Bands 2 and 7) [ref]

\((1.0-N-S2)/(1.0-N+S2)\)

MNDWI

Modified Normalized Difference Water Index [ref]

\((G-S1)/(G+S1)\)

MuWIR

Revised Multi-Spectral Water Index [ref]

\(-4.0\times ((B-G)/(B+G))+2.0\times ((G-N)/(G+N))+2.0\times ((G-S2)/(G+S2))-((G-S1)/(G+S1))\)

NDCI

Normalized Difference Chlorophyll Index [ref]

\((RE1-R)/(RE1+R)\)

NDPonI

Normalized Difference Pond Index [ref]

\((S1-G)/(S1+G)\)

NDTI

Normalized Difference Turbidity Index [ref]

\((R-G)/(R+G)\)

NDVIMNDWI

NDVI-MNDWI Model [ref]

\(((N-R)/(N+R))-((G-S1)/(G+S1))\)

NDWI

Normalized Difference Water Index [ref]

\((G-N)/(G+N)\)

NDWIns

Normalized Difference Water Index with no Snow Cover and Glaciers [ref]

\((G-\alpha \times N)/(G+N)\)

NWI

New Water Index [ref]

\((B-(N+S1+S2))/(B+(N+S1+S2))\)

S2WI

Sentinel-2 Water Index [ref]

\((RE1-S2)/(RE1+S2)\)

SWM

Sentinel Water Mask [ref]

\((B+G)/(N+S1)\)

TWI

Triangle Water Index [ref]

\((2.84\times (RE1-RE2)/(G+S2))+((1.25\times (G-B)-(N-B))/(N+1.25\times G-0.25\times B))\)

WI1

Water Index 1 [ref]

\((G-S2)/(G+S2)\)

WI2

Water Index 2 [ref]

\((B-S2)/(B+S2)\)

WI2015

Water Index 2015 [ref]

\(1.7204+171\times G+3\times R-70\times N-45\times S1-71\times S2\)

WRI

Water Ratio Index [ref]

\((G+R)/(N+S1)\)

Snow

Snow Spectral Indices

Index

Long Name

Equation

NBSIMS

Non-Binary Snow Index for Multi-Component Surfaces [ref]

\(0.36\times (G+R+N)-(((B+S2)/G)+S1)\)

NDGlaI

Normalized Difference Glacier Index [ref]

\((G-R)/(G+R)\)

NDSI

Normalized Difference Snow Index [ref]

\((G-S1)/(G+S1)\)

NDSII

Normalized Difference Snow Ice Index [ref]

\((G-N)/(G+N)\)

NDSInw

Normalized Difference Snow Index with no Water [ref]

\((N-S1-\beta )/(N+S1)\)

NDSaII

Normalized Difference Snow and Ice Index [ref]

\((R-S1)/(R+S1)\)

S3

S3 Snow Index [ref]

\((N\times (R-S1))/((N+R)\times (N+S1))\)

SWI

Snow Water Index [ref]

\((G\times (N-S1))/((G+N)\times (N+S1))\)

Soil

Soil Spectral Indices

Index

Long Name

Equation

BI

Bare Soil Index [ref]

\(((S1+R)-(N+B))/((S1+R)+(N+B))\)

BITM

Landsat TM-based Brightness Index [ref]

\((((B^{2.0})+(G^{2.0})+(R^{2.0}))/3.0)^{0.5}\)

BIXS

SPOT HRV XS-based Brightness Index [ref]

\((((G^{2.0})+(R^{2.0}))/2.0)^{0.5}\)

BaI

Bareness Index [ref]

\(R+S1-N\)

DBSI

Dry Bareness Index [ref]

\(((S1-G)/(S1+G))-((N-R)/(N+R))\)

EMBI

Enhanced Modified Bare Soil Index [ref]

\(((((S1-S2-N)/(S1+S2+N))+0.5)-((G-S1)/(G+S1))-0.5)/((((S1-S2-N)/(S1+S2+N))+0.5)+((G-S1)/(G+S1))+1.5)\)

MBI

Modified Bare Soil Index [ref]

\(((S1-S2-N)/(S1+S2+N))+0.5\)

NBLI

Normalized Difference Bare Land Index [ref]

\((R-T)/(R+T)\)

NBLIOLI

Normalized Difference Bare Land Index for Landsat-OLI [ref]

\((R-T1)/(R+T1)\)

NDBaI

Normalized Difference Bareness Index [ref]

\((S1-T)/(S1+T)\)

NDSIWV

WorldView Normalized Difference Soil Index [ref]

\((G-Y)/(G+Y)\)

NDSoiI

Normalized Difference Soil Index [ref]

\((S2-G)/(S2+G)\)

NSDS

Normalized Shortwave Infrared Difference Soil-Moisture [ref]

\((S1-S2)/(S1+S2)\)

NSDSI1

Normalized Shortwave-Infrared Difference Bare Soil Moisture Index 1 [ref]

\((S1-S2)/S1\)

NSDSI2

Normalized Shortwave-Infrared Difference Bare Soil Moisture Index 2 [ref]

\((S1-S2)/S2\)

NSDSI3

Normalized Shortwave-Infrared Difference Bare Soil Moisture Index 3 [ref]

\((S1-S2)/(S1+S2)\)

RI4XS

SPOT HRV XS-based Redness Index 4 [ref]

\((R^{2.0})/(G^4.0)\)

Urban

Urban Spectral Indices

Index

Long Name

Equation

BLFEI

Built-Up Land Features Extraction Index [ref]

\((((G+R+S2)/3.0)-S1)/(((G+R+S2)/3.0)+S1)\)

BRBA

Band Ratio for Built-up Area [ref]

\(R/S1\)

DBI

Dry Built-Up Index [ref]

\(((B-T1)/(B+T1))-((N-R)/(N+R))\)

EBBI

Enhanced Built-Up and Bareness Index [ref]

\((S1-N)/(10.0\times ((S1+T)^{0.5}))\)

IBI

Index-Based Built-Up Index [ref]

\((((S1-N)/(S1+N))-(((N-R)\times (1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)/(((S1-N)/(S1+N))+(((N-R)\times (1.0+L)/(N+R+L))+((G-S1)/(G+S1)))/2.0)\)

NBAI

Normalized Built-up Area Index [ref]

\(((S2-S1)/G)/((S2+S1)/G)\)

NBUI

New Built-Up Index [ref]

\(((S1-N)/(10.0\times (T+S1)^{0.5}))-(((N-R)\times (1.0+L))/(N-R+L))-(G-S1)/(G+S1)\)

NDBI

Normalized Difference Built-Up Index [ref]

\((S1-N)/(S1+N)\)

NDISIb

Normalized Difference Impervious Surface Index Blue [ref]

\((T-(B+N+S1)/3.0)/(T+(B+N+S1)/3.0)\)

NDISIg

Normalized Difference Impervious Surface Index Green [ref]

\((T-(G+N+S1)/3.0)/(T+(G+N+S1)/3.0)\)

NDISImndwi

Normalized Difference Impervious Surface Index with MNDWI [ref]

\((T-(((G-S1)/(G+S1))+N+S1)/3.0)/(T+(((G-S1)/(G+S1))+N+S1)/3.0)\)

NDISIndwi

Normalized Difference Impervious Surface Index with NDWI [ref]

\((T-(((G-N)/(G+N))+N+S1)/3.0)/(T+(((G-N)/(G+N))+N+S1)/3.0)\)

NDISIr

Normalized Difference Impervious Surface Index Red [ref]

\((T-(R+N+S1)/3.0)/(T+(R+N+S1)/3.0)\)

NHFD

Non-Homogeneous Feature Difference [ref]

\((RE1-A)/(RE1+A)\)

PISI

Perpendicular Impervious Surface Index [ref]

\(0.8192\times B-0.5735\times N+0.0750\)

UI

Urban Index [ref]

\((S2-N)/(S2+N)\)

VIBI

Vegetation Index Built-up Index [ref]

\(((N-R)/(N+R))/(((N-R)/(N+R))+((S1-N)/(S1+N)))\)

VgNIRBI

Visible Green-Based Built-Up Index [ref]

\((G-N)/(G+N)\)

VrNIRBI

Visible Red-Based Built-Up Index [ref]

\((R-N)/(R+N)\)

Kernel

Warning

All kernel indices listed here were extracted from the Supplementary Material of Camps-Valls et al., 2021. Please note that the kEVI and kVARI indices may have more than one implementation, but for simplicity, just one is presented here.

Kernel Spectral Indices

Index

Long Name

Equation

kEVI

Kernel Enhanced Vegetation Index [ref]

\(g\times (kNN-kNR)/(kNN+C1\times kNR-C2\times kNB+kNL)\)

kIPVI

Kernel Infrared Percentage Vegetation Index [ref]

\(kNN/(kNN+kNR)\)

kNDVI

Kernel Normalized Difference Vegetation Index [ref]

\((kNN-kNR)/(kNN+kNR)\)

kRVI

Kernel Ratio Vegetation Index [ref]

\(kNN/kNR\)

kVARI

Kernel Visible Atmospherically Resistant Index [ref]

\((kGG-kGR)/(kGG+kGR-kGB)\)

RADAR

RADAR Spectral Indices

Index

Long Name

Equation

DPDD

Dual-Pol Diagonal Distance [ref]

\((VV+VH)/2.0^{0.5}\)

DpRVIHH

Dual-Polarized Radar Vegetation Index HH [ref]

\((4.0\times HV)/(HH+HV)\)

DpRVIVV

Dual-Polarized Radar Vegetation Index VV [ref]

\((4.0\times VH)/(VV+VH)\)

NDPolI

Normalized Difference Polarization Index [ref]

\((VV-VH)/(VV+VH)\)

QpRVI

Quad-Polarized Radar Vegetation Index [ref]

\((8.0\times HV)/(HH+VV+2.0\times HV)\)

RFDI

Radar Forest Degradation Index [ref]

\((HH-HV)/(HH+HV)\)

VDDPI

Vertical Dual De-Polarization Index [ref]

\((VV+VH)/VV\)

VHVVD

VH-VV Difference [ref]

\(VH-VV\)

VHVVP

VH-VV Product [ref]

\(VH\times VV\)

VHVVR

VH-VV Ratio [ref]

\(VH/VV\)

VVVHD

VV-VH Difference [ref]

\(VV-VH\)

VVVHR

VV-VH Ratio [ref]

\(VV/VH\)

VVVHS

VV-VH Sum [ref]

\(VV+VH\)