Oceans and Estuaries
Oceans and Estuaries
Sediments deposited in oceans and estuaries record past changes in conditions and processes that are fundamental to understanding Earth’s climate and systems. The Ecosystems Land Change Science Program conducts research on long-term patterns and drivers of ocean temperature, salinity, sea-ice, and productivity. The research supports development of models needed to inform management of marine areas
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Geologic Records of High Sea Levels
This project studies past high sea levels on coastlines that preserve fossil coral reefs or marine terraces. We ascertain the magnitudes of sea-level high stands by field mapping, stratigraphic measurements, and precise elevation measurements. Geochronology is accomplished by radiocarbon dating of mollusks (for Holocene-to-last-glacial deposits), uranium-series dating of corals (for high-sea...