Eustatic and Relative Sea Level Changes
نویسندگان
چکیده
منابع مشابه
Late Quaternary Eustatic Sea-Level Changes Along TheMalibu Coast, Los Angeles County, California
Late Quaternary relative sea-level changes along the Malibu coast can be deciphered by study of geomorphic features and marine and associated stream deposits. Evidence for such changes includes (a) stream downcutting in large valleys during low stands of sea level, (b) stream aggradation in the same valleys during high stands of sea level, and (c) marine shoreline angles whose altitudes coincid...
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[1] During the last glacial period, eustatic lowering of sea level exposed large areas of continental shelves that are presently submerged. By a series of direct numerical simulations we investigate the sensitivity of the atmosphere-ocean system to exposure of the extensive Sunda shelf in the western tropical Pacific. We demonstrate that this specific forcing factor triggers increased convectio...
متن کاملMass extinctions and sea-level changes
Review of sea-level changes during the big five mass extinctions and several lesser extinction events reveals that the majority coincide with large eustatic inflexions. The degree of certainty with which these eustatic oscillations are known varies considerably. Thus, the late Ordovician and end Cretaceous extinctions are associated with unequivocal, major regressions demonstrated from numerous...
متن کاملIce-sheet and sea-level changes.
Future sea-level rise is an important issue related to the continuing buildup of atmospheric greenhouse gas concentrations. The Greenland and Antarctic ice sheets, with the potential to raise sea level approximately 70 meters if completely melted, dominate uncertainties in projected sea-level change. Freshwater fluxes from these ice sheets also may affect oceanic circulation, contributing to cl...
متن کاملTectonic velocities, dynamic topography, and relative sea level
[1] A simple dynamic model based on boundary layer theory shows that dynamic topography is unlikely to vary significantly in response to short term ( 20 Myr) variations in the mean tectonic velocity. Tectonic velocities essentially mirror variations in mantle viscosity, but are not indicative of substantial modification of dynamic topography, which primarily reflects mass anomalies in the mantl...
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ژورنال
عنوان ژورنال: Current Climate Change Reports
سال: 2016
ISSN: 2198-6061
DOI: 10.1007/s40641-016-0045-7