East Siberian Sea runoff into the East Siberian Sea is relatively small at about 250 km/year that makes only 10% of the total runoff in all the Arctic seas of Russia. The largest contribution is from the Kolyma River at 132 km, followed by the Indigirka River at 59 km. Most runoff (90%) occurs in summer; it is concentrated near the coast, owing to the weak river currents, and therefore does not significantly affect the sea hydrology. The water exchange between the neighboring seas is as follows. The annual outflow to the Laptev Sea, Chukchi Sea and Arctic Ocean is 3,240, 6,600 and
Siberian Federal District Putin. The district comprises the West Siberian (part) and East Siberian economic regions and ten federal subjects: Siberian Federal District Siberian Federal District (, "Sibirsky federalny okrug") is one of the eight federal districts of Russia. Its population was 17,178,298 (??% urban) according to the 2010 Census, living in an area of . The entire federal district lies within the continent of Asia. The district was created by presidential decree on May 13, 2000 and covers around 30% of the total land area of Russia. In November 2018, Buryatia and Zabaykalsky Krai were removed from the Siberian Federal District and