WFRF:(Kim Jong Seung)
Sökning: WFRF:(Kim Jong Seung) > (2020-2023) > A Pulse of Meteoric...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03211naa a2200505 4500 | |
| 001 | oai:DiVA.org:su-197480 | |
| 003 | SwePub | |
| 008 | 211007s2021 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1974802 URI |
| 024 | 7 | a https://doi.org/10.1029/2021GC0097502 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Kim, Ji-Hoon4 aut |
| 245 | 1 0 | a A Pulse of Meteoric Subsurface Fluid Discharging Into the Chukchi Sea During the Early Holocene Thermal Maximum (EHTM) |
| 264 | 1 | c 2021 |
| 338 | a print2 rdacarrier | |
| 520 | a The response of Arctic Ocean biogeochemistry to subsurface flow driven by permafrost thaw is poorly understood. We present dissolved chloride and water isotopic data from the Chukchi Sea Shelf sediments that reveal the presence of a meteoric subsurface flow enriched in cations with a radiogenic Sr fingerprint. This subsurface fluid is also enriched in dissolved inorganic carbon and methane that bear isotopic compositions indicative of a carbon reservoir modified by reactions in a closed system. Such fluid characteristics are in stark contrast with those from other sites in the Chukchi Sea where the pore water composition shows no sign of meteoric input, but reflect typical biogeochemical reactions associated with early diagenetic sequences in marine sediment. The most likely source of the observed subsurface flow at the Chukchi Sea Shelf is from the degradation of permafrost that had extended to the shelf region during the Last Glacial Maximum. Our data suggest that the permafrost-driven subsurface flow most likely took place during the 2-3 degrees C warming in the Early Holocene Thermal Maximum. This time scale is supported by numerical simulation of pore water profiles, which indicate that a minimum of several thousand years must have passed since the cessation of the subsurface methane-bearing fluid flow. | |
| 650 | 7 | a NATURVETENSKAPx Geovetenskap och miljövetenskap0 (SwePub)1052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Earth and Related Environmental Sciences0 (SwePub)1052 hsv//eng |
| 653 | a subsurface meteoric fluid discharge | |
| 653 | a Arctic element | |
| 653 | a carbon cycle | |
| 653 | a permafrost | |
| 653 | a EHTM | |
| 653 | a Chukchi Sea | |
| 700 | 1 | a Hong, Wei-Liu Stockholms universitet,Institutionen för geologiska vetenskaper4 aut0 (Swepub:su)weho1955 |
| 700 | 1 | a Torres, Marta E.4 aut |
| 700 | 1 | a Ryu, Jong-Sik4 aut |
| 700 | 1 | a Kang, Moo-Hee4 aut |
| 700 | 1 | a Han, Dukki4 aut |
| 700 | 1 | a Nam, Seung-Il4 aut |
| 700 | 1 | a Hur, Jin4 aut |
| 700 | 1 | a Koh, Dong-Chan4 aut |
| 700 | 1 | a Niessen, Frank4 aut |
| 700 | 1 | a Lee, Dong-Hun4 aut |
| 700 | 1 | a Jang, Kwangchul4 aut |
| 700 | 1 | a Buchanan Rae, James William4 aut |
| 700 | 1 | a Chen, Meilian4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för geologiska vetenskaper4 org |
| 773 | 0 | t Geochemistry Geophysics Geosystemsg 22:8q 22:8x 1525-2027 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-197480 |
| 856 | 4 8 | u https://doi.org/10.1029/2021GC009750 |
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