全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
地理科学  2013 

江淮平原地区晚冰期以来的气候与环境变化记录

, PP. 1377-1382

Keywords: 磁化率,粒度,晚冰期,气候与环境变化,江淮平原

Full-Text   Cite this paper   Add to My Lib

Abstract:

选择江淮平原中部湖沼沉积为研究对象,进行AMS14C、磁化率与粒度组合特征的综合分析。结果表明,晚冰期以来江淮平原地区古气候经历冷干-暖湿-冷干-暖湿-温干-暖湿的变化过程,钻孔沉积物还清晰的记录到了中仙女木、新仙女木、8250calaB.P.、3500~2500calaB.P.等气候事件。江淮平原晚冰期以来的各种环境代用指标与古里雅冰芯、格陵兰冰芯、三宝/葫芦洞石笋等记录具有较好的可比性,表明了研究区的气候环境演化过程可能具有全球背景。

References

[1]  王心源,吴立,张广胜,等.安徽巢湖全新世湖泊沉积物磁化率与粒度组合的变化特征及其环境意义[J].地理科学,2008,28 (4):548~553.
[2]  单树模,王庭槐,金其铭.江苏省地理[M].南京:江苏教育出版社,1986:34~51.
[3]  Dell C I.An occurrence of greigite in lake superior sediments[J]. Am. Mineralogist,1972,57(7):1303-1304.
[4]  Hilton J,Lishman J P.The effect of redox change on the magnetic susceptibility of sediments from a seasonally anoxic lake[J]. Limnol. Oceanogr.,1985,30(4):907-909.
[5]  刘勇,赵志军,陈晔.苏北盆地兴化1#钻孔沉积物的岩石磁学特征[J].地球物理进展,2006, 21(3):762~767.
[6]  王建,刘泽纯,姜文英,等.磁化率与粒度、矿物的关系及其古环境意义[J].地理学报,1996,51(2):155~163.
[7]  杨小强,李华梅.泥河湾盆地沉积物粒度组分与磁化率变化相关性研究[J].沉积学报,2002,20(4): 675~679.
[8]  张卫国,俞立中.长江口潮滩沉积物的磁学性质及其与粒度的关系[J].中国科学(D辑),2002,32(9):783~792.
[9]  舒强,张茂恒,赵志军,等.苏北盆地XH-1 钻孔晚新生代沉积记录特征及其与长江贯通时间的关联[J].地层学杂志,2008,32 (3):308~314.
[10]  Brook E J,T Sowers,J Orchardo.Rapid variations in atmospheric methane concentration during the past 110 000 years[J].Science, 1996, 273 (5278):1087-1091.
[11]  Wang Yongjin,Hai Cheng,R Lawrence Edwards,et al.Millennial-and orbital-scale changes in the East Asian monsoon over the past 224 000 years[J].Nature,2008,451:1090-1093.
[12]  何元庆,姚檀栋,沈永平,等.冰芯与其它记录所揭示的中国全新世大暖期变化特征[J].冰川冻土,2003,25(1):11~18.
[13]  Hughen K A,Overpeck J T,Trumbore S,et al.Rapid climate changes in the tropical Atlantic region during the last deglaciation[J].Nature,1996,380 (6569):51-54.
[14]  DeMenocal P,Ortiz J,Guilderson T,et al.Coherent high-and low-latitude climate variability during the Holocene warm period[J].Science,2000,288(5474):2198-2202.
[15]  Hu F S, Slawinski D,Wright Jr H E,et al.Abrupt changes in North American climate during early Holocene times[J].Nature, 1999,400(6743):437-440.
[16]  Korhola A,Weckstrom J,Holmstrom L,et al.A quantitative Holocene climatic record from diatoms in Northern Fennoscandia[J]. Quaternary Research,2000,54(2):284-294.
[17]  Dansgarrd W,Johnsen S J,Clausen H B,et al.Evidence for general instability of past climate from a 250-kyr ice-core record[J]. Nature,1993,364(6434):218-220.
[18]  Klitgaard-Kristensen D,Sejrup H P,Haflidason H,et al.A regional 8 200 cal. yr BP cooling event in northwest Europe, induced by final stages of the Laurentide ice-sheet deglaciation?[J].Journal of Quaternary Science,1998, 13(2):165-169.
[19]  刘兴起,王永波,沈吉,等.16 000 a 以来青海茶卡盐湖的演化过程及其对气候的响应[J].地质学报,2007,81(6):843~849.
[20]  Yuan D X,Cheng H,Edwards R L,et al.Timing,duration and transitions of the last Interglcial Asian monsoon[J].Science,2004, 304(5670):575-579.
[21]  施雅风,崔之久,李吉均,等.中国东部第四纪冰川与环境问题[M].北京:科学出版社,1989:179~180.
[22]  舒强,陈晔,张茂恒,等.苏北平原周庄镇浅钻沉积物粘土矿物分布特征及其环境意义[J].地理科学,2012,32 (2): 238~243.
[23]  李枫,吴立,朱诚,孙伟,等.江汉平原12.76 cal. ka B.P. 以来环境干湿变化的高分辨率研究[J].地理科学,2012, 32(7): 878~884.
[24]  舒强,赵志军, 陈晔,等.江苏兴化DS浅孔沉积物地球化学元素与粒度所揭示的古环境意义[J].地理科学,2009, 29(6): 923~928.
[25]  成都地质学院陕北队.沉积岩(物)粒度分析及其应用[M].北京:地质出版社,1978:1~2.
[26]  汤普森R,F 奥尔德费尔德.环境磁学[M].北京:地质出版社, 1995.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133