期刊
MARINE GEOLOGY
卷 450, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.margeo.2022.106841
关键词
Editor; Shu Gao; Sea-level indicators; Sea-level proxies; Holocene sea-level; Hydroisostasy
资金
- Brazilian Research Council-CNPq [557141/2009-5, 457714/2013-1, 442865/2015-5, 443254/2019-2]
- Inter-Ministry Commission for Ocean Resources-CIRM [557141/2009-5, 457714/2013-1, 442865/2015-5, 443254/2019-2]
- CNPq fellowships [302913/2018-1, 302983/2017-1, 307467/2019- 8, 308890/2017-5]
- Fundaca Araucaria senior fellowship [45725]
- CNPq PHD fellowship [142155/2019-5]
This study presents spatiotemporal paleo-sea-level reconstructions from Abrolhos archipelago and Abrolhos Bank, filling in a 500 km coastline gap. The data indicates sea levels up to 2.9 m higher than the current one between the Mid- to Late Holocene. There was little hydroisostatic compensation across the continental shelf between the archipelago and the mainland coast.
This study presents spatiotemporal paleo-sea-level reconstructions from Abrolhos archipelago and Abrolhos Bank, and fill in a coastline gap of 500 km where no precise paleo-sea level reconstruction exists. The reconstructions are based on sedimentary, biological and geomorphological evidences. The data indicates sealevels up to 2.9 m higher than the current one between the Mid- to Late Holocene, in agreement with the empirical sea-level envelope and with predictions of geophysical sea-level models for the Brazilian coast. The data suggests that there was little, if any, hydroisostatic compensation across 55 km of the continental shelf in the study area, between the archipelago and the mainland coast, given that similar elevations of the post-glacial sealevel maximum exist in both places.
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