Alaska
Earth from Space: Nushagak Bay, Alaska
04/11/2022
214 views
8 likes
The complicated and numerous panorama that surrounds Nushagak Bay in Alaska is featured on this true-colour picture captured by the Copernicus Sentinel-2 mission.
Click on on the picture beneath to discover it in its full decision.
Nushagak Bay is a big estuary protecting over 100 sq km in southwest Alaska, US. The bay runs primarily north to south from the mouth of the Nushagak River earlier than exiting into Nushagak Bay – an inlet of Bristol Bay some 50 km southwards.
The bay is primarily fed by the Nushagak River (seen within the high proper), which begins within the Alaska Vary and flows southwest roughly 450 km. The bay can also be fed by a number of extra rivers together with the Wooden, Igushik, Snake and Weary rivers.
This true-colour picture was captured by the Copernicus Sentinel-2 mission. The darkish colors of the Nushagak River are more than likely because of tannins or lignins (chemical substances present in crops). Tannins and lignins from roots, leaves, seeds, bark and soil can leach into the water and provides it a brown and even black color. The sediments then circulate southwards the place it’s blended with the bluer waters of the bay.
The most important metropolis within the space is Dillingham, house to round 2000 individuals, and is surrounded by forests, shrublands, grasslands and mosses. The rivers, in addition to the lowlands round Nushagak Bay, are wealthy with deciduous bushes. The darkish purple areas alongside the bay are intertidal mud and sand flats. If you happen to zoom in to the picture, a white rim across the southern elements of the bay is seen. A number of thaw ponds can be seen dotted across the picture.
Nushagak Bay is a vital staging and stopover website for dozens of migratory shorebird and waterfowl species, and it accommodates one of many largest and most pristine sockeye salmon fisheries on the earth.
Sentinel-2 carries a multispectral imager with a swath of 290 km. In addition to offering detailed details about Earth’s vegetation, Sentinel-2 is designed to play a key function in mapping variations in land cowl to know the panorama, map how it’s used and monitor adjustments over time.
This picture can also be featured on the Earth from Area video programme.