期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 108, 期 27, 页码 11017-11022出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1015619108
关键词
climate; ocean; late Holocene; salt marsh
资金
- National Science Foundation (NSF) [EAR-0951686, EAR-0717364, EAR0309129, ATM-0902133]
- Geological Society of America
- North American Micropaleontology Section
- National Oceanic and Atmospheric Administration [NA05NOS4781182]
- United States Geological Survey [02ERAG0044]
- Academy of Finland [123113]
- European Cooperation in Science and Technology [ES0701]
- Division Of Earth Sciences
- Directorate For Geosciences [0951686, 0952032] Funding Source: National Science Foundation
- Academy of Finland (AKA) [123113, 123113] Funding Source: Academy of Finland (AKA)
We present new sea-level reconstructions for the past 2100 y based on salt-marsh sedimentary sequences from the US Atlantic coast. The data from North Carolina reveal four phases of persistent sea-level change after correction for glacial isostatic adjustment. Sea level was stable from at least BC 100 until AD 950. Sea level then increased for 400 y at a rate of 0.6 mm/y, followed by a further period of stable, or slightly falling, sea level that persisted until the late 19th century. Since then, sea level has risen at an average rate of 2.1 mm/y, representing the steepest century-scale increase of the past two millennia. This rate was initiated between AD 1865 and 1892. Using an extended semiempirical modeling approach, we show that these sea-level changes are consistent with global temperature for at least the past millennium.
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