high Atlantic native Kuhnert

Core/Site name:

Northeast Breakers north of the Bermuda islands

Country/Region:

the Bermuda islands

Elevation:

-1

Archive:

corals

Species:

Diploria labyrinthiformis

Proxy measurement:

18O, Sr/Ca

Sampling resolution:

seasonal

Startyear:

1520 AD

Endyear:

1603 AD

Description:

Records of skeletal δ18O in monthly and Sr/Ca ratios in half-yearly resolution were obtained from a Bermuda coral (Diploria labyrinthiformis) for the time period 1520–1603 (±15 yr) AD within the Little Ice Age. Annual and decadal averages of both sea-surface temperature proxies indicate temperature variabilities of 0.5°C (standard deviation) and 0.3°C, respectively. Both numbers are close to recent instrumental observations. Approximately 30% of the interannual time series variance of δ18O is concentrated in broad bands centered at periods of ∼30, 16, and 7.8 yr, the last two reflecting the influence of the North Atlantic Oscillation. Although this large-scale climate signal is present in the record, there is no correlation with other contemporaneous northern hemisphere proxy data, resulting from spatial differences in climate variability.

Data entered by name:

Filipsson, Helena

Data entered by email:

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Main reference(s):

Kuhnert, H., J. Pätzold, B. Schnetger, and G.Wefer, 2002,Sea-surface temperature variability in the 16th century at Bermuda inferred from coral records. Palaeogeography, Palaeoclimatology, Palaeoecology, 179: 159-171, 20 May 2002.DOI: 10.1016/S0031-0182(01)00410-2

Link to reference 1:

http://www.sciencedirect.com/science/article/pii/S0031018201004102#sec1.1

Data storage link 1:

http://hurricane.ncdc.noaa.gov/pls/paleox/f?p=519:1:2924806122352392::::P1_STUDY_ID:1872

Current dating method:

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Annual snow acc rate:

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Category: Ocean2k