Wu, Weichao; Tan, Wenbing; Zhou, Liping; Yang, Huan; Xu, Yunping (2012): Sea surface temperature oscillations in southern Okinawa Trough during last 2700 years from ODP Hole 195-1202B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.803648
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Abstract:
Most of the temperature reconstructions for the past two millennia are based on proxy data from various sites on land. Here we present a bidecadal resolution record of sea surface temperature (SST) in Southern Okinawa Trough for the past ca. 2700 years by analyzing tetraether lipids of planktonic archaea in the ODP Hole 1202B, a site under the strong influence of Kuroshio Current and East Asian monsoon. The reconstructed SST anomalies generally coincided with previously reported late Holocene climate events, including the Roman Warm Period, Sui-Tang dynasty Warm Period, Medieval Warm Period, Current Warm Period, Dark Age Cold Period and Little Ice Age. However, the Medieval Warm Period usually thought to be a historical analogue for the Current Warm Period has a mean SST of 0.6-0.8°C lower than that of the Roman Warm Period and Sui-Tang dynasty Warm Period. Despite an increase since 1850 AD, the mean SST in the 20th century is still within the range of natural variability during the past 2700 years. A close correlation of SST in Southern Okinawa Trough with air temperature in East China, intensity of East Asian monsoon and the El-Niño Southern Oscillation index has been attributed to the fluctuations in solar output and oceanic-atmospheric circulation.
Related to:
Wu, Weichao; Tan, Wenbing; Zhou, Liping; Yang, Huan; Xu, Yunping (2012): Sea surface temperature variability in southern Okinawa Trough during last 2700 years. Geophysical Research Letters, 39, L14705, https://doi.org/10.1029/2012GL052749
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 24.804080 * Longitude: 122.500130
Date/Time Start: 2001-04-28T19:00:00 * Date/Time End: 2001-04-29T04:45:00
Minimum Elevation: -1274.1 m * Maximum Elevation: -1274.1 m
Event(s):
195-1202B * Latitude: 24.804080 * Longitude: 122.500130 * Date/Time Start: 2001-04-28T19:00:00 * Date/Time End: 2001-04-29T04:45:00 * Elevation: -1274.1 m * Penetration: 140.5 m * Recovery: 143.28 m * Location: East China Sea * Campaign: Leg195 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 16 cores; 140.5 m cored; 0 m drilled; 102 % recovery
Comment:
The chronology was established based on six 14C datings using planktonic foraminifera. Each sample was run in duplicate and the average standard deviation is 0.003, corresponding to 0.2 degree. The SST data in highlight is from the satellite derived mean annual SST (http://www.nsof.noaa.gov)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Age | Age | a AD/CE | Wu, Weichao | ||
| 2 | Sea surface temperature | SST | °C | Wu, Weichao | Calculated from TEX86 (Kim et al., 2010) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
218 data points