November 25, 2021 - Bangladesh

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Bangladesh
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Situated primarily on the alluvial plains and deltas created by several
major rivers, the country of Bangladesh measures slightly larger than
the U.S. state of Iowa but it is more than 54 times more densely
populated than that state. The CIA World Factbook estimates the
population of Bangladesh as of July 2021 at about 164 million people
while Iowa provides a home for just over 3 million residents.
Bangladesh is nearly surrounded by the country of India, with a short
border (about 170 miles/270 km) shared with Burma (Myanmar) in the
east.

On November 19, 2021, the Moderate Resolution Imaging Spectroradiometer
(MODIS) on board NASA’s Terra satellite acquired a beautiful
false-color image that highlights the river systems as they coalesce in
Bangladesh and pour into the Bay of Bengal. The most notable are the
Ganges, which flows from the west and the Brahmaputra River, which
courses westward across the food of the Himalayas and turns south to
meet with other rivers to form the Ganges-Brahmaputra Delta.

Along the edge of the Delta as it meets the Bay of Bengal are the
largest remaining tract of mangrove forests in the world: the
Sundarbans. A tapestry of waterway, mudflats and forested islands, this
unique ecosystem is home to sharks, crocodiles, freshwater dolphins,
more than two hundred species of bird, and the endangered Bengal tiger.
Much of this ecosystem has been successfully protected as a National
Park, despite the dense population of the country.

This false-color image uses infrared and visible light (bands 7,2,1 on
the instrument) to create easy visualization of water. Rivers, ponds,
oceans, and other water features show up as dark blue or inky black and
contrast well with vegetation, which appears bright green, or bare
land, which appears tan in color. Clouds appear light blue or white.

Image Facts
Satellite: Terra
Date Acquired: 11/18/2021
Resolutions: 1km (2.5 MB), 500m (6.4 MB), 250m (4.2 MB)
Bands Used: 7,2,1
Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2021-11-25

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