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"Sea level rise drowned a vast habitable area of north-western Australi" by Kasih Norman, Corey J.A. Bradshaw et al.

For most of the period of human occupation of Sahul (the combined Pleistocene landmass of Australia and New Guinea), lower sea levels exposed an extensive area of the northwest of the Australian continent, connecting the Kimberley and Arnhem Land into one vast area. Our analysis of high-resolution bathymetric data shows this now-drowned region existed as an extensive archipelago in Marine Isotope Stage 4, transforming in Marine Isotope Stage 2 into a fully exposed shelf containing an inland sea adjacent to a large freshwater lake. These were encircled by deep gorges and escarpments that likely acted as important resource zones and refugia for human populations at that time. Demographic modelling shows the shelf had a fluctuating potential carrying capacity through Marine Isotope Stages 4–2, with the capability to support 50–500 k people at various times. Two periods of rapid global sea level rise at 14.5–14.1 ka (Meltwater Pulse 1A), and between 12 ka and 9 ka, resulted in the ra ....

New Guinea , Arnhem Land , Marine Isotope Stage , Marine Isotope Stages , Meltwater Pulse , Northwest Shelf , Australian Archaeology , Continental Shelf , Rowned Landscapes , Uman Dispersal , Human Occupation , Pleistocene Sahul , Rock Art , Sea Level Change ,

Bathymetric data optimizes hydropower generation in Switzerland

The acquisition of bathymetric and sidescan data is essential for the Swiss energy company Axpo to maintain its hydropower infrastructure, especially. ....

United Kingdom , University Of East Anglia , East Anglia , Sidescan Sonar , Bathymetric Data ,