Extended Data Fig. 4: Schematic representation of the approach used to calculate the SED. | Nature

Extended Data Fig. 4: Schematic representation of the approach used to calculate the SED.

From: Mapping the world’s free-flowing rivers

Extended Data Fig. 4

The SED ranges from 0% to 100%, assessing the degree to which sediment connectivity in any river reach is altered by upstream dams. a, River network with individual river reaches and PSL ranges. b, The SED, which accounts for the relative contribution of tributaries to the total sediment budget of the river network, and its changes in response to changes in longitudinal sediment connectivity.

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