Tidal marshes as disequilibrium landscapes? Lags between morphology and Holocene sea level change
نویسندگان
چکیده
منابع مشابه
Influence of tidal-range change and sediment compaction on Holocene relative sea-level change in New Jersey, USA
We investigated the effect of tidal-range change and sediment compaction on reconstructions of Holocene relative sea level (RSL) in New Jersey, USA. We updated a published sea-level database to generate 50 sea-level index points and ten limiting dates that define continuously rising RSL in New Jersey during the Holocene. There is scatter among the index points, particularly those older than 7 k...
متن کاملTidal Marshes across a Chesapeake Bay Subestuary Are Not Keeping up with Sea-Level Rise
Sea-level rise is a major factor in wetland loss worldwide, and in much of Chesapeake Bay (USA) the rate of sea-level rise is higher than the current global rate of 3.2 mm yr-1 due to regional subsidence. Marshes along estuarine salinity gradients differ in vegetation composition, productivity, decomposition pathways, and sediment dynamics, and may exhibit different responses to sea-level rise....
متن کاملABSTRACT Title of Thesis: EFFECTS OF SEA LEVEL RISE ON TIDAL MARSHES
Title of Thesis: EFFECTS OF SEA LEVEL RISE ON TIDAL MARSHES Jennifer Holly Bryan, Master of Science, 2014 Thesis directed by: Assistant Professor Lora Harris University of Maryland Center for Environmental Science There is growing concern regarding the potentially negative impacts of sea level rise (SLR) on tidal wetlands in the Mid-Atlantic region of the United States. In Chapter one, I invest...
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Long-term estimates of sea level rise are essential for planning responses to anthropogenic global change. The tectonically stable, unglaciated eastern Chukchi Sea coast has numerous depositional environments for extracting long-term records in the absence of tide gauge data. Radiocarbon ages (n= 27) on paleo-marsh beds along several Seward Peninsula lagoons allows the reconstruction of sea lev...
متن کاملQuantifying Holocene Sea Level Change Using Intertidal Foraminifera: Lessons from the British Isles
Salt-marsh foraminifera have been used to reconstruct Holocene sea-level changes from coastlines around the world. In this work, we compile the results of surface foraminiferal surveys from fifteen study sites located on the east, south and west coasts of Great Britain, and the west coast of Ireland. These data, which comprise 236 samples and 84 species, are used to summarize the contemporary d...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2008
ISSN: 0094-8276
DOI: 10.1029/2008gl036050