基于时序定量遥感的冬小麦长势监测与估产研究

刘新杰,魏云霞,焦全军,孙奇,刘良云

Growth Monitoring and Yield Prediction of Winter Wheat based on Time-series Quantitative Remote Sensing Data

Xinjie Liu,Yunxia Wei,Quanjun Jiao,Qi Sun,Liangyun Liu

表4 常用植被指数及计算公式

Table 4 Equations for the frequently used vegetation indices

光谱指数	公式	参考文献
Vi_opt	(1+0.45)((R₈₀₀)²+1)/(R₆₇₀+0.45)	[11]
NDVI_g-b	(R₅₇₃-R₄₄₀)/(R₅₇₃+R₄₄₀)	[12]
RVI I	R₈₁₀/R₆₆₀	[13]
RVI II	R₈₁₀/R₅₆₀	[14]
NRI	(R₈₀₀/R_550，target/(R₈₀₀/R₅₅₀)_reference	[15]
MCARI/MTVI2	MCARI/MTVI2 MCARI：R₇₀₀-R₆₇₀-0.2(R₇₀₀-R₅₅₀)/(R₇₀₀/R₆₇₀) MTVI2:1.5(1.2(R₈₀₀-R₅₅₀)-2.5(R₆₇₀-R₅₅₀))/sqrt((2R₈₀₀+1)²- (6R₈₀₀-5sqrt(R₆₇₀))-0.5)	[16]
DCNI	(R₇₂₀-R₇₀₀)/(R₇₀₀-R₆₇₀)/(R₇₂₀-R₆₇₀+0.03)	[16]
MCARI	(R₇₀₀-R₆₇₀-0.2(R₇₀₀-R₅₅₀))(R₇₀₀/R₆₇₀)	[16]
TCARI	3((R₇₀₀-R₆₇₀-0.2(R₇₀₀-R₅₅₀))(R₇₀₀/R₆₇₀))	[17]
TCARI/OSAVI	TCARI/OSAVI TCARI:3((R₇₀₀-R₆₇₀-0.2(R₇₀₀-R₅₅₀))(R₇₀₀/R₆₇₀)) OSAVI:1.16(R₈₀₀-R₆₇₀)/(R₈₀₀+R₆₇₀+0.16)	[18]
MTCI	(R₇₅₀-R₇₁₀)/(R₇₁₀-R₆₈₀)	[19]
R-M	R₇₅₀/R₇₂₀-1	[20]
REP-LI	700+40(R_re-R₇₀₀)/(R₇₄₀-R₇₀₀) R_re：R₆₇₀+R₇₈₀)/2	[21]
NDVI	(R₈₀₀-R₆₇₀)/(R₈₀₀+R₆₇₀)	[22]
RVI	R₈₀₀/R₆₇₀	[23]
SR I	R₈₀₁/R₆₇₀	[24]
SR₇₀₅	R₇₅₀/R₇₀₅	[25]
ND₇₀₅	(R₇₅₀-R₇₀₅)/ (R₇₅₀+R₇₀₅)	[25]
GNDVI	(R₈₀₁-R₅₅₀)/ (R₈₀₁+R₅₅₀)	[17]
OSAVI	(1+0.16)·(R₈₀₁-R₆₇₀)/(R₈₀₁+R₆₇₀+0.16)	[26]
MSR₇₀₅	(R₇₅₀-R₄₄₅)/( R₇₀₅- R₄₄₅)	[25]
MND₇₀₅	(R₇₅₀-R₇₀₅)/( R₇₅₀+R₇₀₅- 2R₄₄₅)	[25]
MSAVI2	0.5{(2R₈₀₀+1)-[(2R₈₀₀+1)²-8(R₈₀₀-R₆₇₀)]^1/2}	[27]
PSRI	(R₆₈₀-R₅₀₀)/R₇₅₀	[28]
PRI	(R₅₇₀-R₅₃₁)/( R₅₇₀+R₅₃₁)	[29]
NDPI	(R₆₈₀-R₄₃₀)/( R₆₈₀+R₄₃₀)	[30]
SIPI	(R₈₀₀-R₄₄₅)/( R₈₀₀-R₆₈₀)	[30]