The contribution of tectonics to relative sea-level change during the Holocene in coastal south-eastern Sicily: New data from boreholes

2011 ◽  
Vol 232 (1-2) ◽  
pp. 214-227 ◽  
Author(s):  
C.R. Spampinato ◽  
B. Costa ◽  
A. Di Stefano ◽  
C. Monaco ◽  
G. Scicchitano
Keyword(s):  
Sea Level ◽  
Sea Level Change ◽  
Relative Sea Level ◽  
The Holocene ◽  
Level Change ◽  
South Eastern

Submerged archaeological sites along the Ionian coast of southeastern Sicily (Italy) and implications for the Holocene relative sea-level change

2008 ◽  
Vol 70 (1) ◽  
pp. 26-39 ◽  
Author(s):  
Giovanni Scicchitano ◽  
Fabrizio Antonioli ◽  
Elena Flavia Castagnino Berlinghieri ◽  
Andrea Dutton ◽  
Carmelo Monaco
Keyword(s):  
Bronze Age ◽  
Sea Level ◽  
Sea Level Change ◽  
Archaeological Sites ◽  
Relative Sea Level ◽  
The Holocene ◽  
Archaeological Data ◽  
Level Change ◽  
Direct Observations ◽  
Uplift Rates

AbstractPrecise measurements of submerged archaeological markers in the Siracusa coast (Southeastern Sicily, Italy) provide new data on relative sea-level change during the late Holocene. Four submerged archaeological sites have been studied and investigated through direct observations. Two of them are Greek archaic in age (2.5–2.7 ka) and are now 0.98–1.48 m below sea level; the other two developed during the Bronze age (3.2–3.8 ka) and are now 1.03–1.97 m below sea level. These archaeological data have been integrated with information derived from a submerged speleothem collected in a cave located along the Siracusa coast at − 20 m depth. The positions of the archaeological markers have been measured with respect to present sea level, corrected for tide and pressure at the time of surveys. These data were compared with predicted sea-level rise curves for the Holocene using a glacio-hydro-isostatic model. The comparison with the curve for the southeastern Sicily coast yields a tectonic component of relative sea-level change related to regional uplift. Uplift rates between 0.3 and 0.8 mm/yr have been estimated.

Inception of a global atlas of Holocene sea levels

2020 ◽  
Author(s):  
Nicole Khan ◽  
Erica Ashe ◽  
Robert Kopp ◽  
Ben Horton ◽  
Keyword(s):  
Sea Level Rise ◽  
Sea Level ◽  
Working Group ◽  
Research Priorities ◽  
Sea Level Change ◽  
Relative Sea Level ◽  
Sea Level Variability ◽  
Sea Levels ◽  
The Holocene ◽  
Level Change

<p>Determining the rates, mechanisms and geographic variability of sea-level change is a priority science question for the next decade of ocean research. To address these research priorities, the HOLocene SEA-level variability (HOLSEA) working group is developing the first standardized global synthesis of Holocene relative sea-level data to: (1) estimate the magnitudes and rates of global mean sea-level change during the Holocene; and (2) identify trends in spatial variability and decipher the processes responsible for geographic differences in relative sea-level change.</p><p>Here we present the efforts of the working group to compile the database, which includes over 12,000 sea-level index points and limiting data from a range of different indicators across seven continents from the Last Glacial Maximum to present. We follow a standard protocol that incorporates full consideration of vertical and temporal uncertainty for each sea-level index point, including uncertainties associated with the relationship of each indicator to past sea-level and the methods used to date each indicator. We highlight important challenges overcome to aggregate the standardized global synthesis, and discuss those that still remain. Finally. we apply a spatio-temporal empirical hierarchical statistical model to the database to estimate global sea-level variability and spatial patterns in relative sea level and its rates of change, and consider their driving mechanisms. Long-term, this effort will enhance predictions of 21st century sea-level rise, and provide a vital contribution to the assessment of natural hazards with respect to sea-level rise.</p>

scholarly journals Corrigendum: Late Devensian and Holocene relative sea-level change in North Wales, UK

2011 ◽  
Vol 26 (7) ◽  
pp. 768-768
Author(s):  
M. J. Roberts ◽  
J. D. Scourse ◽  
J. D. Bennell ◽  
D. G. Huws ◽  
C. F. Jago ◽  
...  
Keyword(s):  
Sea Level ◽  
Sea Level Change ◽  
Relative Sea Level ◽  
Level Change ◽  
North Wales

scholarly journals Relative sea‐level change and postglacial isostatic adjustment along the coast of south Devon, United Kingdom

2008 ◽  
Vol 23 (5) ◽  
pp. 415-433 ◽  
Author(s):  
Anthony C. Massey ◽  
W. Roland Gehrels ◽  
Dan J. Charman ◽  
Glenn A. Milne ◽  
W. Richard Peltier ◽  
...  
Keyword(s):  
United Kingdom ◽  
Sea Level ◽  
Sea Level Change ◽  
Relative Sea Level ◽  
Level Change ◽  
Isostatic Adjustment

Historical rates of salt marsh accretion on the outer Bay of Fundy

2001 ◽  
Vol 38 (7) ◽  
pp. 1081-1092 ◽  
Author(s):  
Gail L Chmura ◽  
Laurie L Helmer ◽  
C Beth Beecher ◽  
Elsie M Sunderland
Keyword(s):  
Salt Marsh ◽  
Sea Level ◽  
Sea Level Change ◽  
Bay Of Fundy ◽  
Relative Sea Level ◽  
Early 19Th Century ◽  
Level Change ◽  
Pollen Stratigraphy ◽  
Accretion Rates ◽  
Marsh Accretion

We examine rates of salt marsh accumulation in three marshes of the outer Bay of Fundy. At each marsh we selected a site in the high marsh with similar vegetation, and thus similar elevation. Accretion rates were estimated by 137Cs, 210Pb, and pollen stratigraphy to estimate rates of change over periods of 30, 100, and ~170 years, respectively. These rates are compared with records from the two closest tide gauges (Saint John, New Brunswick, and Eastport, Maine) to assess the balance of recent marsh accretion and sea-level change. Averaged marsh accretion rates have ranged from 1.3 ± 0.4 to 4.4 ± 1.6 mm·year–1 over the last two centuries. Recent rates are similar to the rate of sea-level change recorded at Eastport, Maine, suggesting that they are in step with recent sea-level change but very sensitive to short-term variation in relative sea level. Based on the pollen stratigraphy in the marsh sediments, the marsh accretion rate was higher during the late 18th to early 19th century. Higher rates probably were due to local increases in relative sea level as a result of neotectonic activity and may have been enhanced by increased sediment deposition through ice rafting.

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