Extended Data Fig. 1: Observations in GRiMeDB13 and their spatial representativeness. | Nature

Extended Data Fig. 1: Observations in GRiMeDB13 and their spatial representativeness.

From: Global methane emissions from rivers and streams

Extended Data Fig. 1

Map of the globle showing the location of methane concentration observations in the database for each month (black points). The number in each panel denotates the total number of observations available each month, after aggregating temporal data for each subcatchment in GRADES. Light blue shows the snow or ice cover, and red polygons represent areas where the monthly model is extrapolating predictions (See section “Random forest modelling” in the main text for further explanation).

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