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From: Dan Richter (1:317/3)
To: All
Date: Mon, 24.05.21 13:00
MODIS Pic of the Day 24 May 2021
May 24, 2021 - Beaufort Sea Thaw


Beaufort Sea Thaw

Each spring, as hours of sunlight increase and temperatures rise, the
expansive pack of sea ice that coats the Beaufort Sea during winter
begins to melt. The maximum extent of Arctic sea ice usually occurs in
mid-March and sea ice minimum typically is reached across the Arctic
shortly after the end of summer, as sunlight shortens and temperatures

The Beaufort Sea is a part of the Arctic Ocean off the coast of
Northern Territories and the Yukon, Canada and the state of Alaska, the
United States. It is also one part of the storied “Northwest
complex, winding maze of sounds, channels, bays, and straits that
(during part of the year) permit ship traffic to travel between the
Pacific Ocean and the Atlantic Ocean by way of the Artic Ocean. Ice
typically begins to break up in the Beaufort Sea in mid-May, with open
water first appearing near the shoreline.

On May 20, 2021, the Moderate Resolution Imaging Spectroradiometer
(MODIS) on board NASA’s Aqua satellite acquired a true-color image of
open water in the Beaufort Sea north of Northern Territories, Canada.
Thanks to the NASA Worldview app, we can easily compare two images
acquired nearly a month apart to visualize the changes in the area over
time. On April 24, the same area was covered in floating sea ice. To
compare the two images, click here

Image Facts
Satellite: Aqua
Date Acquired: 5/20/2021
Resolutions: 1km (380.2 KB), 500m (1.1 MB), 250m (3.2 MB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC

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