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💧🌏 Greg Cocks

Sea Level Rise Drowned A Vast Habitable Area Of North-Western Australia Driving Long-Term Cultural Change
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doi.org/10.1016/j.quascirev.20 <-- shared paper
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[By modelling these geographic features, the team estimates that the region could have supported a population of between 50,000 and 500,000 people.]
#GIS #spatial #mapping #sealevelrise #demographics #remotesensing #climatechange #Pleistocene #Sahu #human #occupation #dispersal #archaeology #rockart #indigeneous #aborgines #firstnation #ancientpeoples #paleogeography #drownedlandscapes #Continentalshelf #Sealevelchange #bathymetry #topobathy #SLR #sealevel #sealevelrise #NewGuinea #PapuaNewGuinea #kimberley #arnhemland #NorthernAustralia #WesternAustralia #marine #ocean #innundation #model #modeling #archipelago
#australia #Wallacea #habitation #settlement #civilisation #maritime #economics #ancienthistory #sediment #sampling #geology #holocene

photo - rock gorge - Western Australia
pictures of artifacts - indicated location of map of Australia - Map of Sahul showing the extent of the now-submerged continental shelf (dark grey), with the area of the Northwest Shelf demarcated by a dashed black box, and the present-day distribution of the Köppen climate groups (seasonal precipitation and temperature) showing the extent of modern-day Australia and New Guinea. The tropical distribution of Late Pleistocene sites containing early axe technology are shown as black circles, sites without early axe technology as grey circles, and sites demonstrating Late Pleistocene occupation of the now submerged continental shelves as white circles.
maps and cross sections - kimberley depression and lake kimberley
maps and charts : A Rate of change of sea-level rise (m of sea level rise per 200 year increment) adapted from Ishiwa et al. (2019) and Williams et al. (2018). Accelerated sea level rise occurs during Meltwater Pulse 1A, and during a series of rapid pulses with the onset of the Holocene. B Sea level rise for the Northwest Shelf projected onto high-resolution bathymetric data in 500-year increments, with periods of rapid sea level rise and land submergence in red. Archaeological sites registering a corresponding pulse in occupation are in red (Pulse 1) and brown (Pulse 2), with site letters a–f relating to panel C. C Artefact discard rates at sites in the Kimberley and Arnhem Land with pulses in discard rates that correspond to rapid sea-level rise highlighted (Pulse 1: red; Pulse 2: brown). Bathymetric data: High-resolution depth model for Northern Australia - 30 m (Beaman, 2018).
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