Browsing NIVA Open Access Archive by Author "Gangnus, Ivan"
Now showing items 1-3 of 3
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Biogeochemical structure of the Laptev Sea in 2015-2020 associated with the River Lena plume
Xie, Lina; Yakushev, Evgeniy; Semiletov, Igor; Grinko, Andrey; Gangnus, Ivan; Berezina, Anfisa; Osadchiev, Alexander; Zhdanov, Igor; Polukhin, Alexander; Moiseeva, Julia; Purgina, Darya; Pipko, Irina; Pugach, Svetlana; Dudarev, Oleg; Ge, Zhenming (Peer reviewed; Journal article, 2023)The discharge of rivers and the subsequent dispersion of their plumes play a pivotal role in the biogeochemical cycling of the Arctic Ocean. Based on the data collected during annual transects conducted in the autumn period ... -
Nitrous Oxide Dynamics in the Siberian Arctic Ocean and Vulnerability to Climate Change
Wild, Birgit; Ray, Nicholas E.; Lett, Céline; Davies, Amelia Jane; Kirillova, Elena; Holmstrand, Henry; Klevantceva, Elizaveta; Osadchiev, Alexander; Gangnus, Ivan; Yakushev, Evgeniy; Kosmach, Denis; Dudarev, Oleg; Gustafsson, Örjan; Semiletov, Igor; Brüchert, Volker (Peer reviewed; Journal article, 2023)Nitrous oxide (N2O) is a strong greenhouse gas and stratospheric ozone-depleting substance. Around 20% of global emissions stem from the ocean, but current estimates and future projections are uncertain due to poor spatial ... -
The Role of Coastal Yedoma Deposits and Continental Shelf Sediments in the Arctic Ocean Silicon Cycle
Ray, Nicholas E.; Martens, Jannik; Ajmar, Marco; Tesi, Tommaso; Yakushev, Evgeniy; Gangnus, Ivan; Strauss, Jens; Schirrmeister, Lutz; Semiletov, Igor; Wild, Birgit (Peer reviewed; Journal article, 2024)The availability of silicon (Si) in the ocean plays an important role in regulating biogeochemical and ecological processes. The Si budget of the Arctic Ocean appears balanced, with inputs equivalent to outputs, though it ...