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1
題名:A Late Quaternary Planktonic Foraminiferal Oxygen Isotope Record of the Banda Sea: Chronostratigraphy, Orbital Forcing, and Paleoceanographic Implications    
著者:Chih-Wei ChenKuo-Yen WeiHorng-Sheng MiiTien-Nan Yang
出版地區:台灣
出版城市:台北市
學科:地球科學
關鍵字:Age model ; Oxygen isotope stratigraphy ; Quaternary ; Banda Sea
刊名:Terrestrial, Atmospheric and Oceanic Sciences
卷期:19卷4期(2008.8)
頁碼:331-339
語言:英語
摘要: 英文摘要PDF

A detailed oxygen isotope time-scale based on planktonic foraminifera Globigerinoides sacculifer at site MD012380 in the Banda Sea was established for the past 820 kyrs by correlating the record to the astronomically tuned benthic oxygen isotope chronology of MD972143. Ages for marine isotope stratigraphic (MIS) events from 2.0 back to 21.1 were designated for this western tropical Pacific record. Spectral analysis of the δ18O time-series reveals distinct periodicities of 100, 41, and 23 kyrs, indicating strong orbital forcing, yet the power of each band varies through time. The time-series of three other paleo-proxies, namely, coarse fraction (CF), lightness of sediments and δ13C of Globigerinoides sacculifer, were subjected to cross-spectral analyses against the oxygen isotope record. The Mid-Brunhes (MIS 13 -10, 535-333 ka) divides the record into two time domains characterized by different spectral behaviors. Before the Mid-Brunhes, the analyzed proxies show relatively stronger powers at the 41-kyr band, and the coherence among various proxies is relatively high. After the Mid-Brunhes, 100-kyr periodicity becomes to dominate the δ18 O and coarse fraction records while coherence among the various proxies becomes weaker. The spectral behaviors of the various paleo-proxies appear to vary through the late Quaternary and are fundamentally changed by the Mid-Brunhes event, suggesting the existence of an ever changing, internally complicated system of the Banda Sea under the influence of orbital forcing during the last 820 kyrs.




本卷期目次
Terrestrial, Atmospheric and Oceanic Sciences 19卷4期 (2008.8)
A Late Quaternary Planktonic Foraminiferal Oxygen Isotope Record of the Banda Sea: Chronostratigraphy, Orbital Forcing, and Paleoceanographic Implications/ Chih-Wei ChenKuo-Yen WeiHorng-Sheng MiiTien-Nan Yang
Slow Warming of the Northern South China Sea during the Last Deglaciation/ Tomoya ShintaniMasanobu YamamotoMin-Te Chen
Late Quaternary Planktic Foraminifer Fauna and Monsoon Upwelling Records from the Western South China Sea, Near the Vietnam Margin (IMAGESMD012394)/ Pai-Sen YuHorng-Sheng MiiMasafumi MurayamaMin-Te Chen
Sea Surface Temperature, Productivity, and Terrestrial Flux Variations of the Southeastern South China Sea over the Past 800000 Years (IMAGES MD972142)/ Liang-Jian ShiauPai-Sen YuKuo-Yen WeiMasanobu YamamotoTeh-Quei LeeEin-Fen YuTien-Hsi FangMin-Te Chen
Biomarker Evidence of Relatively Stable Community Structure in the Northern South China Sea during the Last Glacial and Holocene/ Juan HeMei-Xun ZhaoLi LiHui WangPin-Xian Wang
Millennial-Scale Planktic Foraminifer Faunal Variability in the East China Sea during the Past 40000 Years (IMAGES MD012404 from the Okinawa Trough)/ Yuan-Pin ChangWei-Lung WangYusuke YokoyamaHiroyuki MatsuzakiHodaka KawahataMin-Te Chen
Reconstruction of Oceanographic Changes Based on the Diatom Records of the Central Okhotsk Sea over the last 500000 Years/ Wei-Lung WangLiang-Chi Wang
Insight into the Geothermal Structure in Chingshui, Ilan, Taiwan/ Lun-Tao TongShoung OuyangTai-Rong GuoChing-Ray LeeKou-Hsin HuChun-Li LeeChun-Jao Wang
Ionospheric Responses to the July 15-16, 2000 Magnetic Storm around Geographic Longitude 121°E/ Yu-Jung ChuoChien-Chih LeeJann-Yenq LiuKenro Nozaki
Evaluation of Tidal Removal Method Using Phase Average Technique from ADCP Surveys along the Peng-Hu Channel in the Taiwan Strait/ Yu-Chia ChangRuo-Shan TsengCho-Teng Liu
Introduction to the Special Section "Proxy Records and Mechanistic Studies of the Late Quaternary Paleoceanography of the Western Pacific Marginal Seas Using IMAGES Cores"/ Mei-Xun ZhaoMin-Te ChenLuc Beaufort
 
   
 
   

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