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Table 6 Summary of the correlations between AGB and the backscatter of HV polarization

From: Time-series maps of aboveground biomass in dipterocarps forests of Malaysia from PALSAR and PALSAR-2 polarimetric data

Year

Sensor

Prediction equation

R2

Number of samples (n)

RMSE

(Mg ha−1)

2010

PALSAR

y = 2182.9e0.1442x

0.2735

254

115.89

2016

PALSAR-2

y = 8665e0.2535x

0.5581

80

117.45

2010 and 2016

PALSAR+PALSAR-2

y = 3166.7e0.1744x

0.3541

334

116.91

  1. Backscatter is in gamma naught (γ°, dB) and AGB in (Mg ha − 1). All correlations are significant at p < 0.05