Table 2: Goodness of fit for the linear model describing theSIF-GPP relationship.
Month R2 Month R2 Month R2
Jan. 0.239 May. 0.645 Sept. 0.748
Feb. 0.286 Jun. 0.804 Oct. 0.782
Mar. 0.419 Jul. 0.790 Nov. 0.575
Apr. 0.616 Aug. 0.697 Dec. 0.295