Situated in the Bengal Basin, the Ganges-Brahmaputra river delta comprises one of the largest fluviodeltaic systems in the world, comprising [special characters omitted]100,000 km2 of floodplain and delta plain and a 40,000 km2 subaqueous delta on the shelf. Sediment load of the…
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Prediction of future climate change relies on the accuracy of models that can be calibrated using paleoclimate proxy data. The longest and most continuous records are based on marine sediment and ice cores, but cannot be dated using absolute radiometric techniques. Analyses of s…
Coccoliths, the minute calcareous plates produced by photosynthetic algae, were studied in high-resolution, AMS ¹⁴C-dated sediment cores from two sites of tropical upwelling located in climatically-sensitive regions, the Cariaco Basin (Venezuela) and the Arabian Sea. The Cariaco…
Glacial-interglacial cycles drive changes in the discharge and sediment flux from the headwaters of glaciated basins, which are recorded by proglacial fluvial sediments. Linking braided river stratigraphy to the Quaternary climate record could indicate the control of climate-dri…
The main objective of this dissertation is to improve the knowledge of glacial chronology and paleoclimate of Turkey during the Late Quaternary. The 36 Cl cosmogenic exposure ages of moraines show that Last Glacial Maximum (LGM) glaciers were the most extensive ones in Turkey in…
This study provides insights into the age, extent, and depositional history of a 23 kilometer-long sequence of eolian sands that overlies a paleosol of previously undetermined age along the southwestern margin of the Delmarva Peninsula, VA. References in past literature and maps…
Contemporary species are undergoing population declines and extinction at rates unprecedented in recorded history. These ongoing global biodiversity losses are largely caused by human overpopulation and other anthropogenic impacts on the environment such as natural habitat destr…