Holocene paleoshorelines, water levels and submerged prehistoric site potential of Rice Lake (Ontario, Canada)

Sonnenburg, Elizabeth; Boyce, Joseph I.; Suttak, Philip

doi:10.1016/j.jas.2012.05.035

Cited by 7 publications

(14 citation statements)

References 19 publications

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“…Progression has been aided by the availability of tight grids of seismic profiles offshore and a clear identifiable paleo‐landscape onshore (intertidal peat) on which to base the interpretation. An alternative approach, demonstrated by Sonnenburg, Boyce, and Suttak () for a Canadian lakebed, is to backstrip down to a level calculated from sedimentation rates, in their case derived from dated and isostatically adjusted core samples. Taken together, this shows that there are multiple approaches to creating backstripped paleo‐geographic reconstructions, which can be adopted depending on data quality and availability.…”

Section: Discussionmentioning

confidence: 99%

“…Taken together, this shows that there are multiple approaches to creating backstripped paleo‐geographic reconstructions, which can be adopted depending on data quality and availability. For example, Sonnenburg, Boyce, and Suttak () lacked seismic data, but had well‐dated core samples, enabling accurate calculation of sedimentation rates. By contrast, this study had access to offshore seismics, which were more conducive to tracing spatially extensive buried potential paleo‐landsurfaces.…”

Section: Discussionmentioning

confidence: 99%

“…Its effectiveness to date is demonstrated by identification of buried high-potential landforms, namely river dunes in a fluvio-deltaic environment, which have been successfully sampled for Mesolithic remains (Weerts et al, 2012). Nevertheless, in the absence of this quantity of data and level of analysis, backstripping methods, as shown here or by Sonnenburg, Boyce, and Suttak (2012), can provide a solution intermediate between it and the use of modern land surfaces, and/or alternatively provide the initial stage of the stepped approach described by Vos, De Kleine, and Rutten (2012).…”

Section: Wider Significancementioning

confidence: 99%

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Holocene Paleo‐Geographic Reconstructions of the Ramore Head Area, Northern Ireland, Using Geophysical and Geotechnical Data: Paleo‐Landscape Mapping and Archaeological Implications

2014

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We present early to mid-Holocene paleo-geographic reconstructions for the Ramore Head area (Northern Ireland). This coastal area is characterised by Mesolithic occupation (c. 10-6 ka) and preserved early-mid Holocene peats both on-and offshore. This paper improves on previous reconstructions by employing a backstripping methodology which removes accumulated recent deposits from identified buried paleolandsurfaces instead of using modern topography as an analogue to the past landscape. Paleo-landsurfaces are identified offshore from seismic profiles supplemented by cores, and onshore through legacy borehole records. The paleo-landsurface can be traced offshore to depths of -2 to -19 m and is buried by <5 m of modern sediment. It extends onshore under the coastal town of Portrush and is buried <2.5-10 m below modern ground level. The identified paleo-landsurface is combined with sea-level curves from recent Glacio-Isostatic-Adjustment models to reconstruct marine transgression during the early-mid-Holocene.Comparison is also made with reconstructions based on modern topography. Together, the identified paleo-landsurfaces and revised reconstructions can assist future site prospection on-and offshore and delimit high potential areas for heritage management. Revised reconstructions also allow placement of extant archaeology into a more accurate context of landscape change and help develop insights into localscale site location patterns.2

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Wider Significancementioning

confidence: 99%

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Holocene Paleo‐Geographic Reconstructions of the Ramore Head Area, Northern Ireland, Using Geophysical and Geotechnical Data: Paleo‐Landscape Mapping and Archaeological Implications

2014

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“…This is a mixed deciduous‐boreal zone, characterized by maple, ashes, beech, oaks, birch, and walnuts in warmer, well‐drained niches, alongside hemlock, pines, balsam fir, and cedars across the thin and more poorly drained soils. Yu and McAndrews () and Sonnenburg, Boyce, and Suttak () have documented sediment and shoreline history of Rice Lake, showing a long period of sediment build up and shoreline transgression to approximately 6.0 ka cal BP. This was followed by a warm and dry period corresponding to the mid‐Holocene hypsithermal.…”

Section: The Kawartha Lake‐wetland Complex: Paleogeography and Settlementioning

confidence: 99%

“…In the Kawarthas, sites from this warming period are known from the Balsam Lake (Ramsden, ) and Pigeon Lake regions, including a large and regionally early cemetery adjacent of what has been predicted to have been a former wetland and along a significant riverine travel corridor (Conolly et al, ). Cores from Rice Lake indicate aridity led to a sedimentation hiatus (Yu & McAndrews, , p. 150; Sonnenburg et al, , p. 3562) for at least 2,000 years. After 4.0 ka cal BP, water levels rose to reach the modern sill height and predam levels by approximately 2,000 years before the present (Sonnenburg et al, , p. 3563).…”

Section: The Kawartha Lake‐wetland Complex: Paleogeography and Settlementioning

confidence: 99%

Archaeology and paleogeography of a Lake‐Wetland complex: Modeling the postglacial evolution of the Kawartha Lakes, Ontario

Conolly

2020

Geoarchaeology

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This study uses a combination of isostatic rebound, hydrological flow, and sedimentation models to generate predictions about the postglacial evolution (from ca. 12.0 ka cal BP to the modern‐day) of the Kawartha Lakes region of central Ontario, Canada. Changes in shoreline and wetland configuration are mapped and quantified so as to inform understanding of the environmental history of the region and illuminate the manner of its evolution. This knowledge is discussed in the context of the human history of the region, particularly the relationship between ancestral Indigenous communities and their relationship to lakes and wetlands. Areas of significant shoreline transgression are identified and thus where inundated archaeological sites are likely to exist. The scale of loss of wetland areas as a result of 19th‐century dam construction is also estimated along with the impacts of settler dams on Michi Saagigg Nishaabeg First Nations traditional harvesting practices.

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Archaeological Landscapes during the 10–8 ka Lake Stanley Lowstand on the Alpena‐Amberley Ridge, Lake Huron

Sonnenburg

O’Shea

2016

Geoarchaeology

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Archaeologists have long been interested in the Lake Stanley lowstand event (ß10-8 ka) in the Lake Huron basin, as archaeological sites from the Late Paleoindian/Early Archaic cultural periods were inundated by subsequent high water levels. Recent archaeological and paleoenvironmental investigations of this submerged landscape have documented stone structures that were likely utilized for caribou hunting by these cultural groups during the late Lake Stanley lowstand phase of Lake Huron. In 2011 and 2012, a total of 67 core, sediment, and rock samples were collected in a 50 km 2 area by divers and a ponar sampler deployed from a survey vessel. These samples were analyzed for sediment size, sorting, morphology and source, organic and carbonate content, testate amoebae, and organic materials. A series of indicators, including distinct microfossil assemblages (such as species only found in sphagnum moss and boggy arctic ponds), rooted trees (tamarack and spruce), and charcoal (ca. 8-9000 yr old) reveal a series of microenvironments that are consistent with a subarctic climate. The analysis of the Alpena-Amberley Ridge provides a detailed picture of the environment exploited by ancient peoples during the Lake Stanley lowstand period. The methodologies employed in this study can in turn help identify other unique microregions that may yield more archaeological sites with less obvious archaeological footprints. C 2016 Wiley Periodicals, Inc.

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Holocene paleoshorelines, water levels and submerged prehistoric site potential of Rice Lake (Ontario, Canada)

Cited by 7 publications

References 19 publications

Holocene Paleo‐Geographic Reconstructions of the Ramore Head Area, Northern Ireland, Using Geophysical and Geotechnical Data: Paleo‐Landscape Mapping and Archaeological Implications

Holocene Paleo‐Geographic Reconstructions of the Ramore Head Area, Northern Ireland, Using Geophysical and Geotechnical Data: Paleo‐Landscape Mapping and Archaeological Implications

Archaeology and paleogeography of a Lake‐Wetland complex: Modeling the postglacial evolution of the Kawartha Lakes, Ontario

Archaeological Landscapes during the 10–8 ka Lake Stanley Lowstand on the Alpena‐Amberley Ridge, Lake Huron

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