基于Sentinel-2数据的草地植物功能多样性遥感反演及其与生产力的关系

赵晏平, 王忠武, 温都日根, 赵玉金, 白永飞

Remotely sensed monitoring method of grassland plant functional diversity and its relationship with productivity based on Sentinel-2 satellite data

ZHAO Yan-Ping, WANG Zhong-Wu, WENDU Rigen, ZHAO Yu-Jin, BAI Yong-Fei

表1 植被指数计算公式

Table 1 Calculating formula of vegetation index

植被指数 Vegetation index 计算公式 Calculate formula Sentinel-2波段 Sentinel-2 band used 参考文献 Reference TCARI 3[(R699.19 - R668.98) - 0.2(R699.19 - R550.67)(R699.19/R668.98)] B3, B4, B5 Kim et al., 1994 OSAVI (1 + 0.16)(R750 - R705)/(R750 + R705 + 0.16) B5, B6 Wu et al., 2008 OSAVI2 (1 + 0.16) (R800 - R670)/(R800 + R670 + 0.16) B4, B7 Rondeaux et al., 1996 D R730/R706 B5, B6 Zarco-Tejada et al., 2003 Datt (R850 - R710)/(R850 - R680) B4, B5, B8 Datt, 1999 Datt2 R850/R710 B5, B8 Datt, 1999 Gitelson 1/R700 B5 Gitelson et al., 1999 SR R750/R700 B5, B6 Gitelson & Merzlyak, 1997 SR2 R700/R670 B4, B5 McMurtrey III et al., 1994 MSI R1600/R819 B8, B11 Hunt Jr & Rock, 1989 NDVI705 (R750 - R705)/( R750 + R705) B5, B6 Sims & Gamon, 2002 CRI1 1/R510 - 1/R550 B2, B3 Gitelson et al., 2003 CRI2 1/R510 - 1/R700 B2, B5 Gitelson et al., 2002 ARI1 1/R550 - 1/R700 B3, B5 Sims & Gamon, 2002 ARI2 R800(1/R550 - 1/R700) B3, B5, B7 Gitelson et al., 2002 NDVI (R842 - R665)/(R842 + R665) B4, B8 Huete et al., 1997 GNDVI (R783 - R560)/(R783 + R560) B3, B7 Rozenstein et al., 2019 TNDVI [(R842 - R665)/(R842 + R665) + 0.5]0.5 B4, B8 Rozenstein et al., 2019 WDVI R842 - 0.5R665 B4, B8 Rozenstein et al., 2019 NDI45 (R705 - R665)/(R705 + R665) B4, B5 Delegido et al., 2011 SAVI (1 + 0.5) × (R799.09 - R680.045)/(R799.09 + R680.045 + 0.5) B4, B7 Huete, 1988 SAVI2 R799.09/(R680.045 + b/a) (a = 0.97, b = 0.08) B4, B7 Major et al., 1990 ARVI ARVI = (R799.09 -R680.045 + R444.5 + R680.045)/(R799.09 + R680.045 - R444.5 - R680.045) B1, B4, B7 Kaufman & Tanre, 1992 SARVI RB = R680.045 - (R444.5 - R680.045) SARVI = (1 + 0.5)(R799.09 -R680.045 + R444.5 + R680.045)/(R799.09 + R680.045 - R444.5 - R680.045 + 0.5) B1, B4, B7 Kaufman & Tanre, 1992 EVI 2.5(R799.09 - R680.045)/(R799.09 + 6R680.045 - 7.5R444.5 + 1) B1, B4, B7 Huete et al., 1997 IRECI (R783 - R665)/(R705/R740) B4, B5, B6, B7 Frampton et al., 2013 IPVI R842/(R842 + R665) B4, B8 Rozenstein et al., 2019 PSSRA R783/R665 B4, B7 Rozenstein et al., 2019 RVI R842/R665 B4, B8 Rozenstein et al., 2019 mNDVI705 (R750 - R705)/( R750 + R705 - 2R445) B1, B5, B6 Datt, 1999 mSR705 (R750 - R445)/( R705 + R445) B1, B6 Datt, 1999 SIPI (R800 - R445)/( R800 - R680) B1, B7 Penuelas et al., 1995 NDWI (R865 - R1614)/( R865 - R1614) B8A, B11 McFeeters, 1996