کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4465993 1622164 2015 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A high resolution record of sea surface temperature in southern Okinawa Trough for the past 15,000 years
ترجمه فارسی عنوان
رکورد با وضوح بالا در سطح زمین سطح دریا در اوکیناوا جنوبی در طول 15،000 سال گذشته
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات فرآیندهای سطح زمین
چکیده انگلیسی


• High resolution sea surface temperature in Okinawa Trough was reconstructed for the past 15,000 years.
• Abrupt climate changes such as the B/A warming, Older Dryas, YD and 8.2 ka events were detected in Okinawa Trough.
• Holocene sea surface temperature in Okinawa Trough was mediated by a complex sun–ocean–atmosphere coupling.

The study of long-chain alkenones in the Ocean Drilling Program (ODP) core 1202B reveals a sub-centennial resolution record of sea surface temperature (SST) in the southern Okinawa Trough for the past 15 thousand years (kyr). From the Deglaciation to Holocene, SST varied from 21.1 to 26.5 °C. The presence of Bølling (15.0–14.2 kyr BP) and Allerød (13.7–13.4 kyr BP) warming phases, Older Dryas (14.2–13.7 kyr BP) and Younger Dryas (12.8–11.6 kyr BP) cold periods reflects a tight teleconnection of climate between the Okinawa Trough and the North Atlantic region in the last Deglaciation. After rapidly increased and reached the maximum at ~ 7.4 kyr BP, SST in the southern OT gradually decreased, corresponding with the lowering of northern hemisphere summer solar insolation. However, a series of abrupt SST drops were identified at ca. 8.6–8.1, 5.8–4.8, 4.1–3.9, 3.0–2.5, 1.6–1.3 and 0.6–0.5 kyr BP, which cannot be explained by solar insolation changes alone, and instead are mediated by a complex sun–ocean–atmosphere coupling.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Palaeogeography, Palaeoclimatology, Palaeoecology - Volume 426, 15 May 2015, Pages 209–215
نویسندگان
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