A reply to “Relative sea level during the Holocene in Uruguay”

Bracco, Roberto; Inda, Hugo; Puerto, Laura del; Capdepont, Irina; Panario, Daniel; Castiñeira, Carola; García-Rodríguez, Felipe

doi:10.1016/j.palaeo.2013.10.012

Cited by 21 publications

(16 citation statements)

References 16 publications

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“…Most contain bivalve shell remains that allowed for the development of radiocarbon chronologies (Fig. ; Bracco et al., , ). Such deposits are highly significant for reconstructing the evolution of the lagoon, as they are a spatially constrained record at the same height as the average sea level that in turn provides information on environmental conditions elsewhere.…”

Section: Methodsmentioning

confidence: 99%

“…6.0 ka; since then, a regressive sea‐level trend has been apparent. Within this general trend, a minor transgressive event was identified at 2.5 ka (3 m above mean sea level) and then the regressive phase continued until it reached current sea level around 1.0 ka (Bracco et al., , ). We note that tectonic processes, such as the submergence and/or uplift of the coastline, played no role in these sea‐level changes (Isla & Angulo, ).…”

Section: Introductionmentioning

confidence: 98%

“…Investigations conducted on the Atlantic coastline of Uruguay, supported by 27 radiocarbon ages, allowed for the construction of a local relative sea‐level curve (Bracco et al., , ; Martínez & Rojas, ). This curve is in agreement with relative sea‐level changes inferred for the coastline of Brazil (Angulo, Lessa, & de Souza, ; Martin & Suguio, ; Tomazelli, ) and Argentina (Cavallotto, Violante, & Parker, ; Isla, , Fig.…”

Section: Introductionmentioning

confidence: 99%

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Formation processes of coastal archaeological sites: A changing prehistoric scenario on the Atlantic shore of Uruguay

et al. 2017

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Paleoenvironmental reconstructions coupled with archaeological research are useful tools for discriminating natural versus anthropogenic environmental variability and identifying local environmental responses to global changes and consequent human adaptations. Here we present a multidisciplinary study focused on the identification of drivers and mechanisms that shaped environments along the Uruguay coast and how those environments influenced prehistoric settlement patterns, subsistence strategies, and site formation processes at the archaeological sites of Cape Polonio and Castillos Lagoon. We identify a strong linkage between environmental dynamics and the timing, spatial allocation, and subsistence strategies of prehistoric inhabitants. Human occupation took place in very specific landscape settings where contemporaneous settlements were identified in persistent eolian landscape features. An opportunistic exploitation of more dynamic locations was also identified, where sea‐level shifts created land surfaces preferred by humans. The results of our study represent a useful tool not only for identifying archaeological sites in similar contexts but also for providing insights into how modern coastal populations might adapt to changing environments associated with rising sea level.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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Formation processes of coastal archaeological sites: A changing prehistoric scenario on the Atlantic shore of Uruguay

et al. 2017

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“…Current data by Martínez and Rojas (2013) indicate that present-day sea level was reached in Uruguay by around 6000 cal yr BP and that there was a major marine high stand, attaining 3.75 m on average, at around 5000 cal yr BP. Bracco et al (2014), however, contest these data. In southern Brazil, Angulo et al (2006) claim that sea level has been above that of the present and has been gradually declining over the last 5000-5800 cal yr BP, with a maximum height of no more than 4 m. Despite this controversy, a general pattern has emerged showing that the present sea level in the region was reached between 6000 and 5000 cal yr BP.…”

Section: Constructores De Cerritosmentioning

confidence: 96%

Emergent Complexity, Changing Landscapes, and Spheres of Interaction in Southeastern South America During the Middle and Late Holocene

et al. 2016

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Newly created academic programs at Brazilian universities have provided the impetus for new archaeological projects in southeastern South America during the last two decades. The new data are changing our views on emergent social complexity, natural and human-induced transformation of the landscape, and transcontinental expansions and cultural interactions across the Río de la Plata basin during the Middle and Late Holocene. We concentrate on six major archaeological traditions/regions: the Sambaquis, the Pantanal, the Constructores de Cerritos, the Tupiguarani, the Southern Proto-Jê, and the middle and lower Paraná River. Diverse and autonomous complex developments exhibit distinct built landscapes in a region previously thought of as marginal compared with cultural developments in the Andes or Mesoamerica. The trajectories toward increased sociopolitical complexity flourished in very different and changing environmental conditions. While some groups were pushed to wetland areas during a drier mid-Holocene, others took advantage of the more humid Late Holocene climate to intensively manage Araucaria forests. The start of the second millennium AD was a critical period marked by an increased number of archaeological sites, the construction of ceremonial architecture, and the intensification of landscape transformation; it also was marked by the rapid expansion of influences from outside the La Plata basin. The Amazonian Tupiguarani and Arawak newcomers brought with them significant changes in technologies and social and political structures, as well as novel landscape management practices.

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“…According to Martínez and Rojas (2013), who statistically used data from old berm deposits corrected for the height of the deposition, the maximum sea level (around 3 m above the present sea level) was reached also around 6,000 years ago, but that after that there was a smooth lowering of the sea level ( Fig. 2.14) (see also Bracco et al 2014;Martínez and Rojas 2014;Mourelle et al 2015). According to numerical ages, arranged in updated tables, correlation with the Marine Isotope Stage 3 (MIS-3) and MIS-2 is discussed for southern and northern Late Pleistocene beds.…”

Section: Sea Levelmentioning

confidence: 99%