The Padma River

  • Released Monday, March 25, 2019

The Padma River is one of the major rivers of Bangladesh, as thousands of people rely on the river for transportation and farm irrigation. These natural-color satellite images from the Landsat satellites show the changes to the shape and width of the Padma since 1988. Each twist and zigzag tells a different geologic story about the river—often tied to erosion.

Over the past three decades, the river has changed from a relatively narrow, straight line to meandering to braided and, most recently, back to straight. In the image sequence, the most noticeable change occurs upstream near the Harirampur upazila region, which experienced the most erosion over the past three decades.

In recent years, Padma’s erosion rates have decreased, but that does not mean the area is free from erosion. Any disturbance in the ecosystem, such as floods, landslides, or construction, could influence the morphology of the river.

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Credits

Please give credit for this item to:
NASA's Goddard Space Flight Center

Release date

This page was originally published on Monday, March 25, 2019.
This page was last updated on Monday, July 15, 2024 at 12:22 AM EDT.