@article{fdi:010067879, title = {{M}ineral and elemental indicators of post-glacial changes in sediment delivery and deposition under a western boundary upwelling system ({C}abo {F}rio, southeastern {B}razil)}, author = {{A}lbuquerque, {A}.{L}. and {M}eyers, {P}. and {B}elem, {A}.{L}. and {T}urcq, {B}runo and {S}ifeddine, {A}bdelfettah and {M}endoza, {U}. and {C}apilla, {R}.}, editor = {}, language = {{ENG}}, abstract = {{M}inerals and elements are important proxies that can provide information about variations in the delivery and deposition of coastal ocean sediments associated with past climate changes. {I}n this study, postglacial changes in the accumulation of sediments on the upper shelf of southeastern {B}razil are linked to the evolution of regional paleoceanographic and continental paleoclimatic conditions during the last 14.4 kyr {CAL} {BP}. {M}ineralogical and major and trace element analyses of a 14{C}-dated sediment core identify three main lithostratigraphic units of this core that reveal a succession of changes in sediment delivery and accumulation as postglacial sea level rose and {H}olocene climate on land evolved. {T}he depositional setting has transitioned in response to the large sea level rise prior to 9.9 kyr {CAL} {BP} from being a shallow water high energy environment to a deeper water one. {T}his location has since then been a lower energy environment that has persisted into modern times. {D}ue to the high marine productivity associated with the {C}abo {F}rio upwelling system in an oxygenated water column, the sediments have shown a complex and dynamic redox condition, making variations in redox-sensitive trace elements indicative of changes in primary production and organic matter diagenesis at this location. {A}fter sea level stabilized ~ 9 kyr {CAL} {BP}, variations in fluxes of {A}l, {F}e, {C}a, and minerals were small, indicating that climate driven changes had only secondary controls on delivery of detrital sediment components to the {C}abo {F}rio shelf. {M}odern coastal upwelling conditions and the onset of mid-shelf organic-rich sediment deposition were established after 9.9 {CAL} kyr {BP}.}, keywords = {{BRESIL}}, booktitle = {}, journal = {{P}alaeogeography, {P}alaeoclimatology, {P}alaeoecology}, volume = {445}, numero = {}, pages = {72--82}, ISSN = {0031-0182}, year = {2016}, DOI = {10.1016/j.palaeo.2016.01.006}, URL = {https://www.documentation.ird.fr/hor/fdi:010067879}, }