PSI PolyPen RP400 Instruction Guide

Page | 6
Equation: TSARI = 3 * [(R
700
- R
670
) - 0.2 * (R
700
- R
550
) * (R
700
/ R
670
)]
Triangular Vegetation Index (TVI)
Reference:Broge and Leblanc (2000)
Equation: TVI = 0.5 * [120 * (R
750
- R
550
) - 200 * (R
670
- R
550
)]
Zarco-Tejada & Miller Index (ZMI)▪
Reference: Zarco-Tejada et al. (2001)
Equation: ZMI = R
750
/ R
710
Simple Ratio Pigment Index (SRPI)
Reference: Peñuelas et al. (1995)
Equation: SRPI = R
430
/ R
680
Normalized Phaeophytinization Index (NPQI)
Reference: Barnes et al. (1992)
Equation: NPQI = (R
415
- R
435
) / (R
415
+ R
435
)
Photochemical Reflectance Index (PRI)
Reference: Gamon et al. (1992)
Equation: PRI = (R
531
- R
570
) / (R
531
+ R
570
)
Normalized Pigment Chlorophyll Index (NPCI)
Reference: Peñuelas et al. (1994)
Equation: NPCI = (R
680
- R
430
) / (R
680
+ R
430
)
Carter Indices
Reference: Carter (1994), Carter et al. (1996)
Equation: Ctr1 = R
695
/ R
420
; Ctr2▪ = R
695
/ R
760
Lichtenthaler Indices
Reference: Lichtenthaler et al. (1996)
Equation: Lic1▪ = (R
790
- R
680
) / (R
790
+ R
680
); Lic2 = R
440
/ R
690
Structure Intensive Pigment Index (SIPI)
Reference: Peñuelas et al. (1995)
Equation: SIPI = (R
790
- R
450
) / (R
790
+ R
650
)
Gitelson and Merzlyak Indices
Reference: Gitelson & Merzlyak (1997)
Equation: GM1 = R
750
/ R
550
; GM2 ▪= R
750
/ R
700
Anthocyanin Reflectance Indices (ARI1; ARI2)
Reference: Gitelson et al. (2001)
Equation: ARI1 = 1/R
550
-1/R
700
; ARI2 = R
790
*(1/R
550
-1/R
700
)
Carotenoid Reflectance Indices (CRI1; CRI2)
Reference: Gitelson et al. (2002)
Equation: CRI1 = 1/R
510
-1/R
550
; CRI2 = 1/R
510
-1/R
700
Renormalized Difference Vegetation Index (RDVI)
Reference: Roujean & Breon (1995)
Equation: RDVI = (R
780
-R
670
)/((R
780
+R
670
)^0.5)
▪ indices measured also by RP 410 NIR

PSI PolyPen RP400 Specifications

General

Brand	PSI
Model	PolyPen RP400
Category	Measuring Instruments
Language	English