Articles | Volume 17, issue 23
Biogeosciences, 17, 5883–5908, 2020
https://doi.org/10.5194/bg-17-5883-2020
Biogeosciences, 17, 5883–5908, 2020
https://doi.org/10.5194/bg-17-5883-2020

Research article 01 Dec 2020

Research article | 01 Dec 2020

Monsoonal forcing of cold-water coral growth off southeastern Brazil during the past 160 kyr

André Bahr et al.

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Cited articles

Addamo, A. M., Vertino, A., Stolarski, J., García-Jiménez, R., Taviani, M., and Machordom, A.: Merging scleractinian genera: the overwhelming genetic similarity between solitary Desmophyllum and colonial Lophelia, BMC Evol. Biol., 16, 108, https://doi.org/10.1186/s12862-016-0654-8, 2016. 
Aguiar, A. L., Cirano, M., Pereira, J., and Marta-Almeida, M.: Upwelling processes along a western boundary current in the Abrolhos–Campos region of Brazil, Cont. Shelf Res., 85, 42–59, https://doi.org/10.1016/j.csr.2014.04.013, 2014. 
Albuquerque, A. L., Meyers, P., Belem, A. L., Turcq, B., Siffedine, A., Mendoza, U., and Capilla, R.: Mineral and elemental indicators of post-glacial changes in sediment delivery and deposition under a western boundary upwelling system (Cabo Frio, southeastern Brazil), Palaeogeogr. Palaeocl., 445, 72–82, https://doi.org/10.1016/j.palaeo.2016.01.006, 2016. 
Auscavitch, S. R., Deere, M. C., Keller, A. G., Rotjan, R. D., Shank, T. M., Cordes, E. E.: Oceanographic drivers of deep-sea coral species distribution and community assembly on seamounts, islands, atolls, and reefs within the Phoenix Islands Protected Area, Front. Mar. Sci., 7, 42, doi:10.3389/fmars.2020.00042, 2020. 
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We explore the sensitivity of cold-water corals (CWCs) to environmental changes utilizing a multiproxy approach on a coral-bearing sediment core from off southeastern Brazil. Our results reveal that over the past 160 kyr, CWCs flourished during glacial high-northern-latitude cold events (Heinrich stadials). These periods were associated with anomalous wet phases on the continent enhancing terrigenous nutrient and organic-matter supply to the continental margin, boosting food supply to the CWCs.
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