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Application of various approaches of multispectral and radar data fusion for modelling of aboveground forest biomass

Dmytro Movchan
Dmytro Movchan
, 
Andrii Bilous
Andrii Bilous
, 
Lesia Yelistratova
Lesia Yelistratova
, 
Alexander Apostolov
Alexander Apostolov
 and 
Artur Hodorovsky
Artur Hodorovsky
   | Jun 12, 2023
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Article Category: ORIGINAL ARTICLE
Published Online: Jun 12, 2023
Page range: 55 - 67
Received: Dec 12, 2022
Accepted: Mar 27, 2023
DOI: https://doi.org/10.2478/ffp-2023-0006
© 2023 Dmytro Movchan et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Results visualization of merging the PALSAR band (HH mode) with RapidEye multispectral image using various data fusion approaches
Results visualization of merging the PALSAR band (HH mode) with RapidEye multispectral image using various data fusion approaches

Figure 2.

Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using HPF approach
Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using HPF approach

Figure 3.

Relation of forest AGB with the merged RapidEye 4st spectral band and HH PALSAR band using IHS approach
Relation of forest AGB with the merged RapidEye 4st spectral band and HH PALSAR band using IHS approach

Figure 4.

Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using WT approach
Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using WT approach

Figure 5.

Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using WIHS approach
Relation of forest AGB with the merged RapidEye 4th spectral band and HH PALSAR band using WIHS approach

Some spectral vegetation indices used for vegetation cover estimation

Index Equation Reference
Simple ratio
TM4/3 TM4/TM3 Jordan, 1969
TM5/3 TM5/TM3 Lu et al., 2004
TM5/4 TM5/TM4 Lu et al., 2004
TM5/7 TM5/TM7 Lu et al., 2004
Normalized different vegetation indices
NDVI (TM4 – TM3)/(TM4 + TM3) Rouse et al., 1974
NDVI53 (TM5 – TM3)/(TM5 + TM3) Lu et al., 2004
NDVI54 (TM5 – TM4)/(TM5 + TM4) Lu et al., 2004
NDVI57 (TM5 – TM7)/(TM5 + TM7) Lu et al., 2004
NDVI32 (TM3 – TM2)/(TM3 + TM2) Lu et al., 2004
GNDVI (TM4 – TM2)/(TM4 + TM2) Gitelson et al., 1996
NDII (TM4 – TM5)/(TM4 + TM5) Hardisky et al, 1983
NDII7 (TM4 – TM7)/(TM4 + TM7) Hardisky et al, 1983
NDWI (TM2 – TM5)/(TM2 + TM5) Lacaux et al., 2007
NDWI7 (TM2 – TM7)/(TM2 + TM7) Lacaux et al., 2007
Complex vegetation indices
SAVI (TM4 – TM3)/(TM4 + TM3 + L)(1 + L) Huete, 1988
EVI G(TM4 – TM3)/(TM4 + C1TM3 – C2TM1)+L Huete, 1997
ARVI (TM4 – 2TM3 + TM1)/(TM4 + 2TM3 – TM1) Lu et al., 2004
GEMI ξ(1 – 0.25ξ) – ((TM3 – 0.125)/(1 – TM3)) Lu et al., 2004
ASVI ((2TM4 + 1) – √((2TM4 + 1)2 – 8(TM4 – 2TM3 + TM1)))/2 Lu et al., 2004
MSAVI ((2TM4 + 1) – √((2TM4 + 1)2 – 8(TM4 – 2TM3)))/2 Lu et al., 2004

Parameters of the models for the accuracy estimation

Fusion techniques R2 Correlation MMA
MLR (RapidEye, 4th band ++ PALSAR, HH band) 0.698 0.837 0.575
IHS (RapidEye, 4st band + PALSAR, HH band) 0.530 0.731 0.591
HPF (RapidEye, 4th band + + PALSAR, HH band) 0.643 0.804 0.652
WT (RapidEye, 4th band + PALSAR, HH band) 0.370 0.614 0.623
WIHS (RapidEye, 4th band + +PALSAR, HH band) 0.476 0.694 0.604
eISSN:
2199-5907
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Life Sciences, Plant Science, Medicine, Veterinary Medicine
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