The Dwinabusen on a map of the White Sea
The Dwinabusen (Russian Двинская губа / Dwinskaja guba, also Dwinabucht ) is a bay of the White Sea in northwestern Russia.
The Dwinabusen is next to the Onegabusen, the Mesenbusen and the Kandalakscha Golf one of the four large bays of the White Sea. To the west of Dwinabusen is limited by the Onega Peninsula and to the east by the steeply rising on the coast White Sea - Kuloi Plateau ( Беломорско - Кулойского плато ). In the 93 km long and 130 km wide bosom extends the estuary of the River Northern Dvina in which there are numerous partially inhabited islands. Are the two major port cities of Arkhangelsk and Severodvinsk on the banks of Dwinadeltas.
The average water depth of Dwinabusen is between 15 and 22 m. The maximum water depth in the northwest of the breast, is 120 m. The tidal range is about 1.4 m. In summer the water of Dwinabusens heated up to 12 ° C whereby the bosom of the warmest area of the White Sea is. In winter, the breasts for several months freezes.
Administratively Dwinabusen heard with the exception of the cities of Arkhangelsk and Severodvinsk for Rajon Primorsk the Arkhangelsk Oblast. The western coastal area of the Gulf, which includes starting from Dwinadelta the coast of the Onega Peninsula to Mys Uchtnawolok ( Мыс Ухтнаволок ) is, as Letni Bereg ( Летний берег to German Summer coast ) called. The opposite eastern coastline starting from Dwinadelta along the coast of the White Sea - Kuloi plateau until after Mys Voronov ( Мыс Воронов ) is as Simni Bereg ( Зимний берег to German winter coast) called. The names of the coasts reflect the fishing areas of the settled here since the 12th century Pomors which alternated in summers and winters.