globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2017.04.009
Scopus记录号: 2-s2.0-85017625418
论文题名:
Sea-surface temperatures for the last 7200 years from the eastern Sunda Shelf, South China Sea: Climatic inferences from planktonic foraminiferal Mg/Ca ratios
作者: Woodson A.L.; Leorri E.; Culver S.J.; Mallinson D.J.; Parham P.R.; Thunell R.C.; Vijayan V.R.; Curtis S.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2017
卷: 165
起始页码: 13
结束页码: 24
语种: 英语
英文关键词: East Asian Monsoon ; Foraminifera ; Holocene ; Mg/Ca ; Paleoclimatology ; Southeastern Asia ; Sunda Shelf
Scopus关键词: Atmospheric pressure ; Atmospheric temperature ; Atmospheric thermodynamics ; Climatology ; Solar energy ; Submarine geophysics ; Surface properties ; Surface waters ; East Asian monsoon ; Foraminifera ; Holocenes ; Paleoclimatology ; Southeastern Asia ; Sunda shelves ; Oceanography ; calcium ; El Nino-Southern Oscillation ; Holocene ; intertropical convergence zone ; magnesium ; paleoclimate ; planktonic foraminifera ; proxy climate record ; sea surface temperature ; solar activity ; Pacific Ocean ; South China Sea ; Southeast Asia ; Sunda Shelf ; Foraminifera
英文摘要: To test whether low latitude shallow shelf deposits can provide high resolution paleoclimatic records, we utilized two cores from the Holocene sedimentary fill of incised valleys on the Sunda Shelf off Sarawak, Malaysia. We developed a new sea-surface temperature (SST) record based on planktonic foraminiferal Mg/Ca for the last 7200 years. This record reveals several significant shifts between warmer and colder conditions. Temperatures averaged 27.5 °C ca. 7200 cal. years BP, then climbed to 28.2 °C from 6500 to 5500 cal. years BP. At 5500-4500 cal. years BP we identified the coldest period (26.8 °C) of the analyzed period. For the last 4500 years SST again averaged 27.5 °C but the profile is rather variable. The last ca. 1000 years recorded the warmest SST averaging 28.5 °C. We record, for the first time in this region, a cool interval, ca. 1000 years in duration, centered on 5000 cal years BP concomitant with a wet period recorded in Borneo. The record also reflects a warm interval from ca. 1000 to 500 cal years BP that may represent the Medieval Climate Anomaly. Variations in the East Asian Monsoon (EAM) and solar activity are considered as potential drivers of SST trends. However, hydrology changes related to the El Niño-Southern Oscillation (ENSO) variability, shifts of the Western Pacific Warm Pool and migration of the Intertropical Convergence Zone are more likely to have impacted our SST temporal trend. Our findings indicate that climatic patterns in the region might be in phase with ENSO and out of phase with the EAM. © 2017 Elsevier Ltd
资助项目: We thank Eric Tappa, Kelly Gibson, C.J. Whitley, and Chris Bender for laboratory assistance. This research was funded by the National Science Foundation (grant number OISE-1157222). We thank Dr. M. Regenberg for kindly providing Mg/Ca calibration data. Core material was provided by the Department of Minerals and Geoscience Malaysia.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59232
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作者单位: Department of Geological Sciences, Graham Building, East Carolina University, Greenville, NC, United States; Southeast Asia Disaster Prevention Research Initiative (SEADPRI), Universiti Kebangsaan Malaysia (National University of Malaysia), Malaysia; School of the Earth, Ocean and Environment, University of South Carolina, 701 Sumter Street, EWS 617, Columbia, SC, United States; Department of Minerals and Geoscience t Malaysia, Unit Geologi Marin, Bah. Perkhidmatan Teknikal, Jabatan Mineral dan Geosains Malaysia, Jalan Sultan Azlan Shah, Peti Surat 1015, Ipoh, Perak Darul Ridzuan, Malaysia; Department of Geography, Planning, and Environment, East Carolina University, Greenville, NC, United States

Recommended Citation:
Woodson A.L.,Leorri E.,Culver S.J.,et al. Sea-surface temperatures for the last 7200 years from the eastern Sunda Shelf, South China Sea: Climatic inferences from planktonic foraminiferal Mg/Ca ratios[J]. Quaternary Science Reviews,2017-01-01,165
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