Rokan River Painted by the Tides

Tides and sediment form brushstroke-like patterns across the river estuary in eastern Sumatra.

This image originally appeared in the NASA Earth Observatory story Rokan River Painted by the Tides.

NASA Earth Observatory images by Lauren Dauphin, using Landsat data from the U.S. Geological Survey. Story by Kathryn Hansen.

Published August 27, 2025
Data acquired June 23, 2024