A reassessment of the Eurasian river input of water, sediment, major elements, and nutrients to the Arctic Ocean

A new assessment of water, suspended sediment, major elements, and nutrients discharged by rivers into the Arctic ocean is made. The comparison of this main characteristics of the river basins and water compositions between the two large Eurasian regions located westward and eastward of the Lena River shows some significant differences, Some eastern Siberian rivers such as Yana, Alazcya, Indigirka, Kolyma)... are even more similar to the Canadian Arctic rivers than to those located to the west of the Lena river, This river flows at the boundary between the Eurasian and North America tectonic plates, We concluded that tectonic/topographic factors could partly control the composition in suspended sediment of the Eurasian rivers, Tentative mass balances of major elements and silica do not indicate any significant trapping over the Arctic shelf, The river input of nutrients is shown to play a minor role in the primary productivity of this area.