MSGID: 1:317/3 646121ae
PID: hpt/lnx 1.9.0-cur 2019-01-08
TID: hpt/lnx 1.9.0-cur 2019-01-08
May 14, 2023 - Lake Tana

   Lake Tana
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   Lake Tana is Ethiopia’s largest lake, the main source of the Blue Nile
   River, and a hotspot of biodiversity. It was designated as a UNESCO
   Biosphere Reserve in 2014 and is also recognized by BirdLife
   International as an Important Bird Area (IBA).

   The lake sits in the northwest corner of the Ethiopian plateau about
   350 miles (563 km) northwest of Addis Ababa. Lake Tana is very shallow,
   with a maximum depth of 45 feet (14 meters). This shallow depth allows
   sediment to swirl in the lake, carried by currents caused by the 60
   rivers that pour into the lake or by strong winds. Sediment can color
   the water in shades of tan or green, and frequent algae blooms can also
   tint the lake with a green tone. There are 37 islands in Lake Tana,
   many of which support large colonies of birds while others are sites of
   ancient churches and monasteries.

   Because of the location of Lake Tana, it is an important stopover and
   wintering site for many migratory birds on the flyway between Europe,
   Asia and Africa. The large undisturbed reedbeds around the lake serve
   as breeding, feeding, and roosting sites for endemic and rare species,
   such as the Wattled Crane and Black-crowned Crane and are essential for
   their survival.

   On May 11, 2023, the Moderate Resolution Imaging Spectroradiometer
   (MODIS) on board NASA’s Terra satellite acquired a true-color image of
   Lake Tana. The multi-colored waters of the lake stand out in high
   contrast to the rugged Ethiopian plateau surrounding the lake. Dek
   Island, the largest of Lake Tana’s many islands, is easily visible in
   the southwestern section of the lake.

   Image Facts
   Satellite:  Terra
   Date Acquired: 5/11/2023
   Resolutions:  1km (178.6 KB),  500m (501.7 KB),  250m (351.8
   KB)
   Bands Used: 1,4,3
   Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-05-14
 
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