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. 2018 Feb 7;13(2):e0192467. doi: 10.1371/journal.pone.0192467

Table 2. Relationships between the residuals from the regression of GPP-Rn and environmental variables at the daily time scale.

Variable Regression equation R2
RH Residuals = 0.140RH-5.91987 0.402
Ustar Residuals = -67.142Ustar2+21.762Ustar-1.47297 0.016
VPD Residuals = -11.004log2(VPD)+29.911log(VPD)-20.148 0.171
SWC Residuals = 16.640SWC-3.382 0.032