CC-TOP SIGNED
Cryosphere-Carbon on Top of the Earth (CC-Top):Decreasing Uncertainties of Thawing Permafrost and Collapsing Methane Hydrates in the Arctic
Total Cost €
0EC-Contrib. €
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Project "CC-TOP" data sheet
The following table provides information about the project.
| Coordinator |
STOCKHOLMS UNIVERSITET
Organization address contact info |
| Coordinator Country | Sweden [SE] |
| Project website | https://www.aces.su.se/research/projects/cc-top/ |
| Total cost | 2˙499˙756 € |
| EC max contribution | 2˙499˙756 € (100%) |
| Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
| Code Call | ERC-2015-AdG |
| Funding Scheme | ERC-ADG |
| Starting year | 2016 |
| Duration (year-month-day) | from 2016-11-01 to 2021-10-31 |
Partnership
Take a look of project's partnership.
| # | ||||
|---|---|---|---|---|
| 1 | STOCKHOLMS UNIVERSITET | SE (STOCKHOLM) | coordinator | 2˙499˙756.00 |
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Project objective
The enormous quantities of frozen carbon in the Arctic, held in shallow soils and sediments, act as “capacitors” of the global carbon system. Thawing permafrost (PF) and collapsing methane hydrates are top candidates to cause a net transfer of carbon from land/ocean to the atmosphere this century, yet uncertainties abound.
Our program targets the East Siberian Arctic Ocean (ESAO), the World’s largest shelf sea, as it holds 80% of coastal PF, 80% of subsea PF and 75% of shallow hydrates. Our initial findings (e.g., Science, 2010; Nature, 2012; PNAS; 2013; Nature Geoscience, 2013, 2014) are challenging earlier notions by showing complexities in terrestrial PF-Carbon remobilization and extensive venting of methane from subsea PF/hydrates. The objective of the CC-Top Program is to transform descriptive and data-lean pictures into quantitative understanding of the CC system, to pin down the present and predict future releases from these “Sleeping Giants” of the global carbon system.
The CC-Top program combines unique Arctic field capacities with powerful molecular-isotopic characterization of PF-carbon/methane to break through on:
The “awakening” of terrestrial PF-C pools: CC-Top will employ great pan-arctic rivers as natural integrators and by probing the δ13C/Δ14C and molecular fingerprints, apportion release fluxes of different PF-C pools.
The ESAO subsea cryosphere/methane: CC-Top will use recent spatially-extensive observations, deep sediment cores and gap-filling expeditions to (i) estimate distribution of subsea PF and hydrates; (ii) establish thermal state (thawing rate) of subsea PF-C; (iii) apportion sources of releasing methane btw subsea-PF, shallow hydrates vs seepage from the deep petroleum megapool using source-diagnostic triple-isotope fingerprinting.
Arctic Ocean slope hydrates: CC-Top will investigate sites (discovered by us 2008-2014) of collapsed hydrates venting methane, to characterize geospatial distribution and causes of destabilization.
Publications
| year | authors and title | journal | last update |
|---|---|---|---|
| 2019 |
Lisa Bröder, August Andersson, Tommaso Tesi, Igor Semiletov, Örjan Gustafsson Quantifying Degradative Loss of Terrigenous Organic Carbon in Surface Sediments Across the Laptev and East Siberian Sea published pages: 85-99, ISSN: 0886-6236, DOI: 10.1029/2018gb005967 |
Global Biogeochemical Cycles 33/1 | 2019-09-04 |
| 2017 |
Patrik Winiger, August Andersson, Sabine Eckhardt, Andreas Stohl, Igor P. Semiletov, Oleg V. Dudarev, Alexander Charkin, Natalia Shakhova, Zbigniew Klimont, Chris Heyes, Örjan Gustafsson Siberian Arctic black carbon sources constrained by model and observation published pages: E1054-E1061, ISSN: 0027-8424, DOI: 10.1073/pnas.1613401114 |
Proceedings of the National Academy of Sciences 114/7 | 2019-09-04 |
| 2019 |
P. Winiger, T. E. Barrett, R. J. Sheesley, L. Huang, S. Sharma, L. A. Barrie, K. E. Yttri, N. Evangeliou, S. Eckhardt, A. Stohl, Z. Klimont, C. Heyes, I. P. Semiletov, O. V. Dudarev, A. Charkin, N. Shakhova, H. Holmstrand, A. Andersson, Ö. Gustafsson Source apportionment of circum-Arctic atmospheric black carbon from isotopes and modeling published pages: eaau8052, ISSN: 2375-2548, DOI: 10.1126/sciadv.aau8052 |
Science Advances 5/2 | 2019-09-04 |
| 2017 |
Irina I. Pipko, Svetlana P. Pugach, Igor P. Semiletov, Leif G. Anderson, Natalia E. Shakhova, Örjan Gustafsson, Irina A. Repina, Eduard A. Spivak, Alexander N. Charkin, Anatoly N. Salyuk, Kseniia P. Shcherbakova, Elena V. Panova, Oleg V. Dudarev The spatial and interannual dynamics of the surface water carbonate system and air–sea CO<sub>2</sub> fluxes in the outer shelf and slope of the Eurasian Arctic Ocean published pages: 997-1016, ISSN: 1812-0792, DOI: 10.5194/os-13-997-2017 |
Ocean Science 13/6 | 2019-09-04 |
| 2017 |
Natalia Shakhova, Igor Semiletov, Orjan Gustafsson, Valentin Sergienko, Leopold Lobkovsky, Oleg Dudarev, Vladimir Tumskoy, Michael Grigoriev, Alexey Mazurov, Anatoly Salyuk, Roman Ananiev, Andrey Koshurnikov, Denis Kosmach, Alexander Charkin, Nicolay Dmitrevsky, Victor Karnaukh, Alexey Gunar, Alexander Meluzov, Denis Chernykh Current rates and mechanisms of subsea permafrost degradation in the East Siberian Arctic Shelf published pages: , ISSN: 2041-1723, DOI: 10.1038/ncomms15872 |
Nature Communications 8/1 | 2019-09-04 |
| 2017 |
Tommaso Tesi, Marc C. Geibel, Christof Pearce, Elena Panova, Jorien E. Vonk, Emma Karlsson, Joan A. Salvado, Martin Kruså, Lisa Bröder, Christoph Humborg, Igor Semiletov, Örjan Gustafsson Carbon geochemistry of plankton-dominated samples in the Laptev and East Siberian shelves: contrasts in suspended particle composition published pages: 735-748, ISSN: 1812-0792, DOI: 10.5194/os-13-735-2017 |
Ocean Science 13/5 | 2019-09-04 |
| 2018 |
Robert B. Sparkes, Melissa Maher, Jerome Blewett, Ayça Doğrul Selver, Örjan Gustafsson, Igor P. Semiletov, Bart E. van Dongen Carbonaceous material export from Siberian permafrost tracked across the Arctic Shelf using Raman spectroscopy published pages: 3293-3309, ISSN: 1994-0424, DOI: 10.5194/tc-12-3293-2018 |
The Cryosphere 12/10 | 2019-09-04 |
| 2019 |
Sarah Conrad, Johan Ingri, Johan Gelting, Fredrik Nordblad, Emma Engström, Ilia Rodushkin, Per S. Andersson, Don Porcelli, Örjan Gustafsson, Igor Semiletov, Björn Öhlander Distribution of Fe isotopes in particles and colloids in the salinity gradient along the Lena River plume, Laptev Sea published pages: 1305-1319, ISSN: 1726-4189, DOI: 10.5194/bg-16-1305-2019 |
Biogeosciences 16/6 | 2019-09-04 |
| 2018 |
Jannik Martens, Birgit Wild, Christof Pearce, Tommaso Tesi, August Andersson, Lisa Bröder, Matt O’Regan, Martin Jakobsson, Martin Sköld, Laura Gemery, Thomas M. Cronin, Igor Semiletov, Oleg V. Dudarev, Örjan Gustafsson Remobilization of old permafrost carbon to Chukchi Sea sediments during the end of the last deglaciation published pages: , ISSN: 0886-6236, DOI: 10.1029/2018gb005969 |
Global Biogeochemical Cycles | 2019-09-04 |
| 2019 |
Birgit Wild, August Andersson, Lisa Bröder, Jorien Vonk, Gustaf Hugelius, James W. McClelland, Wenjun Song, Peter A. Raymond, Örjan Gustafsson Rivers across the Siberian Arctic unearth the patterns of carbon release from thawing permafrost published pages: 10280-10285, ISSN: 0027-8424, DOI: 10.1073/pnas.1811797116 |
Proceedings of the National Academy of Sciences 116/21 | 2019-09-04 |
| 2018 |
Svetlana P. Pugach, Irina I. Pipko, Natalia E. Shakhova, Evgeny A. Shirshin, Irina V. Perminova, Örjan Gustafsson, Valery G. Bondur, Alexey S. Ruban, Igor P. Semiletov Dissolved organic matter and its optical characteristics in the Laptev and East Siberian seas: spatial distribution and interannual variability (2003–2011) published pages: 87-103, ISSN: 1812-0792, DOI: 10.5194/os-14-87-2018 |
Ocean Science 14/1 | 2019-09-04 |
| 2017 |
Kirsi Keskitalo, Tommaso Tesi, Lisa Bröder, August Andersson, Christof Pearce, Martin Sköld, Igor P. Semiletov, Oleg V. Dudarev, Örjan Gustafsson Sources and characteristics of terrestrial carbon in Holocene-scale sediments of the East Siberian Sea published pages: 1213-1226, ISSN: 1814-9332, DOI: 10.5194/cp-13-1213-2017 |
Climate of the Past 13/9 | 2019-06-13 |
| 2017 |
Joan A. Salvadó, Lisa Bröder, August Andersson, Igor P. Semiletov, Örjan Gustafsson Release of Black Carbon From Thawing Permafrost Estimated by Sequestration Fluxes in the East Siberian Arctic Shelf Recipient published pages: 1501-1515, ISSN: 0886-6236, DOI: 10.1002/2017GB005693 |
Global Biogeochemical Cycles 31/10 | 2019-06-13 |
| 2017 |
Alexander N. Charkin, Michiel Rutgers van der Loeff, Natalia E. Shakhova, Örjan Gustafsson, Oleg V. Dudarev, Maxim S. Cherepnev, Anatoly N. Salyuk, Andrey V. Koshurnikov, Eduard A. Spivak, Alexey Y. Gunar, Alexey S. Ruban, Igor P. Semiletov Discovery and characterization of submarine groundwater discharge in the Siberian Arctic seas: a case study in the Buor-Khaya Gulf, Laptev Sea published pages: 2305-2327, ISSN: 1994-0424, DOI: 10.5194/tc-11-2305-2017 |
The Cryosphere 11/5 | 2019-06-13 |
| 2017 |
Jorien E. Vonk, Tommaso Tesi, Lisa Bröder, Henry Holmstrand, Gustaf Hugelius, August Andersson, Oleg Dudarev, Igor Semiletov, Örjan Gustafsson Distinguishing between old and modern permafrost sources in the northeast Siberian land–shelf system with compound-specific <i>δ</i><sup>2</sup>H analysis published pages: 1879-1895, ISSN: 1994-0424, DOI: 10.5194/tc-11-1879-2017 |
The Cryosphere 11/4 | 2019-06-13 |
| 2017 |
Irina I. Pipko, Svetlana P. Pugach, Igor P. Semiletov, Leif G. Anderson, Natalia E. Shakhova, Örjan Gustafsson, Irina A. Repina, Eduard A. Spivak, Alexander N. Charkin, Anatoly N. Salyuk, Kseniia P. Shcherbakova, Elena V. Panova, Oleg V. Dudarev The spatial and interannual dynamics of the surface water carbonate system and air–sea CO<sub>2</sub> fluxes in the outer shelf and slope of the Eurasian Arctic Ocean published pages: 997-1016, ISSN: 1812-0792, DOI: 10.5194/os-13-997-2017 |
Ocean Science 13/6 | 2019-06-13 |
| 2016 |
Joan A. Salvadó, Tommaso Tesi, Marcus Sundbom, Emma Karlsson, Martin Kruså, Igor P. Semiletov, Elena Panova, Örjan Gustafsson Contrasting composition of terrigenous organic matter in the dissolved, particulate and sedimentary organic carbon pools on the outer East Siberian Arctic Shelf published pages: 6121-6138, ISSN: 1726-4189, DOI: 10.5194/bg-13-6121-2016 |
Biogeosciences 13/22 | 2019-06-13 |
| 2018 |
Lisa Bröder, Tommaso Tesi, August Andersson, Igor Semiletov, Örjan Gustafsson Bounding cross-shelf transport time and degradation in Siberian-Arctic land-ocean carbon transfer published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-03192-1 |
Nature Communications 9/1 | 2019-06-13 |
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