Landscape, Soil, Lithology, Climate and Permafrost Control on Dissolved Carbon, Major and Trace Elements in the Ob River, Western Siberia

Yuri Kolesnichenko; Larisa G. Kolesnichenko; Sergey N. Vorobyev; Liudmila S. Shirokova; Igor P. Semiletov; Oleg V. Dudarev; Rostislav S. Vorobyev; Ulyana Shavrina; Sergey N. Kirpotin; Oleg S. Pokrovsky

doi:10.20944/preprints202110.0221.v1

A peer-reviewed article of this Preprint also exists.

Kolesnichenko, I.; Kolesnichenko, L.G.; Vorobyev, S.N.; Shirokova, L.S.; Semiletov, I.P.; Dudarev, O.V.; Vorobev, R.S.; Shavrina, U.; Kirpotin, S.N.; Pokrovsky, O.S. Landscape, Soil, Lithology, Climate and Permafrost Control on Dissolved Carbon, Major and Trace Elements in the Ob River, Western Siberia. Water 2021, 13, 3189. Kolesnichenko, I.; Kolesnichenko, L.G.; Vorobyev, S.N.; Shirokova, L.S.; Semiletov, I.P.; Dudarev, O.V.; Vorobev, R.S.; Shavrina, U.; Kirpotin, S.N.; Pokrovsky, O.S. Landscape, Soil, Lithology, Climate and Permafrost Control on Dissolved Carbon, Major and Trace Elements in the Ob River, Western Siberia. Water 2021, 13, 3189.

Abstract

Assuming that climate warming in the WSL will lead to a northward shift of the forest and permafrost boundaries, a “substituting space for time” approach predicts an increase in concentration of DIC and labile major and trace elements and a decrease of the transport of DOC and low soluble trace metals in the form of colloids in the main stem of the Ob River. However, an unknown factor is the change in hydrochemistry of the largest southern tributary, the Irtysh River, which is impacted by permafrost-free steppe and forest-steppe zone. Overall, seasonally-resolved transect studies of large riverine systems of western Siberia are needed to assess the hydrochemical response of this environmentally-important territory to on-going climate change.

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Landscape, Soil, Lithology, Climate and Permafrost Control on Dissolved Carbon, Major and Trace Elements in the Ob River, Western Siberia

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