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岱海沉积物元素地球化学特征反映的末次冰期以来季风/干旱过渡区的水热条件变迁

, PP. 1121-1130

Keywords: 岱海,元素,化学风化,水热条件

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Abstract:

对季风/干旱过渡区封闭湖泊岱海两支沉积物岩芯进行了元素地球化学特征分析。结果揭示,沉积物中易(溶)迁移元素和难(溶)迁移的相对含量及其与铝元素的比值可以很好地表征流域化学风化强度的变化,进而指示盆地的水热状态。过去大约16.2kaB.P.以来,易迁移元素含量以及与铝元素比值较高的几个阶段,如大约14.5~11.7kaB.P.,10.3~9.0kaB.P.,6.7~3.5kaB.P.,3.2~2.6kaB.P.和1.7~1.2kaB.P.代表了岱海盆地化学风化较强、水热条件较好的时期,其中以大约6.7~3.5kaB.P.期间的水热条件最为优越,可以认为是流域气候的适宜期。而沉积物中难(溶)迁移元素在大约14.5kaB.P.前,11.7~10.3kaB.P.,3.5~3.2kaB.P.和2.6~1.7kaB.P.期间以及1.2kaB.P.以来的相对高含量则代表了流域相对较弱的化学风化强度和较为低下的水热状态。大约9.0~6.7kaB.P.期间,沉积物较高的CaO/MgO比值与降低的易迁移元素含量指示了流域较高温度条件以及由此导致的高蒸发率。综合岱海沉积物已有的有机质、碳酸盐、花粉组合、湖面变化等方面的数据,认为岱海盆地末次冰期以来,水热同期的模式涵盖了岱海除大约9.0~6.7kaB.P.外的各个阶段。而大约9.0~6.7kaB.P.期间,季风有效降水与温度变化的不一致现象可能更多地反映了岱海自身的自然环境特点对区域大尺度气候变化的反馈。

References

[1]  Hakanson L,Jansson M.Yang Song ed. Principle of Lake Sedimentology.Beijing: Science Press,1992.1~254
[2]  2 王苏民,窦鸿身主编.中国湖泊志.北京: 科学出版社,1998.22~27
[3]  Wang Sumin,Dou Hongshen eds. Lakes in China. Beijing: Science Press,1998.22~27
[4]  3 郑绵平,赵元艺,刘俊英.第四纪盐湖沉积与古气候.第四纪研究,1998,(4):297~307
[5]  Li Minghui,Kang Shichang,Zhu Liping et al.Late-Holocene lake environment reflected by the occurrence of monohydrocalcite in Nam Co,Central Tibet. Quaternary Sciences,2008, 28 (4):601~609
[6]  5 朱立平,王君波,林 晓等.西藏纳木错深水湖芯反映的8.4ka以来气候环境变化.第四纪研究,2007, 27 (4):588~597
[7]  Zhu Liping,Wang Junbo,Lin Xiao et al.Environmental changes reflected by core sediments since 8.4ka in Nam Co,Central Tibet of China. Quaternary Sciences,2007, 27 (4):588~597
[8]  6 顾兆炎,赵惠敏,王振海等.末次间冰期以来新疆巴里坤湖蒸发盐的沉积环境记录.第四纪研究,1998,(4):328~334
[9]  Gu Zhaoyan,Zhao Huimin,Wang Zhenhai et al.Evaporation salt records of environmental response to climate change in Barkol lake basin,North Western China. Quaternary Science,1998,(4):328~334
[10]  7 薛积彬,钟 巍.新疆巴里坤湖全新世环境记录及区域对比研究.第四纪研究,2008, 28 (4):610~620
[11]  Xue Jibin,Zhong Wei.Holocene climate change recorded by lacustrine sediments in Barkol Lake and its regional comparison. Quaternary Sciences,2008, 28 (4):610~620
[12]  8 Engstrom D R, Wright H E.Chemical stratigraphy of lake sediments as a record of environmental change.In: Haworth E Y,Lund J W G eds.Lake Sediments and Environmental History.Leicester: Leicester University Press,1984.11~68
[13]  4 Norton S A, Kahl J S.Progress in understanding the chemical stratigraphy of metals in lake-sediments in relation to acidic precipitation. Hydrobiologia,1991, 214 :77~84
[14]  10 Boyle J F. Geochemical methods in palaeolimnology.In: Last W M,Smol J P eds.Tracking Environmental Change Using Lake Sediments,Volume 2: Physical Chemical Techniques.Dordrecht: Kluwer Academic Publishers,2001.83~141
[15]  6 Koinig K A, Shotyk W,Lotter A F et al.9000 years of geochemical evolution of lithogenic major and trace elements in the sediment of an alpine lake——The role of climate,vegetation,and landuse history. Journal of Paleolimnology, 2003, 30 :307~320
[16]  7 王苏民,吴瑞金,蒋新禾.内蒙古岱海末次冰期以来的环境变迁与古气候.第四纪研究,1990,(3):223~232
[17]  Wang Sumin,Wu Ruijin,Jiang Xinhe.Environment evolution and paleoclimate of Daihai Lake,Inner Mongolia since the Last Glaciation. Quaternary Sciences,1990,(3):223~232
[18]  8 王苏民,余源盛,吴瑞金等.岱海-湖泊环境与气候变化.合肥:中国科学技术大学出版社,1990.1~191
[19]  Wang Sumin,Yu Yuansheng,Wu Ruijin et al.The Daihai Lake: Environment Evolution and Climate Change.Hefei: University of Science and Technology of China Press,1990.1~191
[20]  9 王苏民,冯 敏.内蒙古岱海湖泊环境变化与东南季风强弱的关系.中国科学(B辑),1991, 21 (7):759~768
[21]  Wang Sumin,Feng Min.Environmental change recorded in the Daihai Lake and its relationship with the change in strength of the southeast monsoon. Science in China(Series B),1991, 21 (7):759~768
[22]  10 凉城县志编委会.凉城县志.呼和浩特: 内蒙古人民出版社,1993.85~102
[23]  Compilatory Commission of Annals of Liangcheng County.Annals of Liangcheng County.Hohhot: Peoples Press of Inner Mongolia,1993.85~102
[24]  Zheng Mianping,Zhao Yuanyi,Liu Junying.Quaternary saline lake depsoition and paleoclimate. Quaternary Sciences,1998,(4):297~307
[25]  4 李明慧,康世昌,朱立平等.西藏纳木错沉积物单水方解石出现前后的环境变化.第四纪研究,2008, 28 (4):601~609
[26]  11 Sun Qianli, Zhou Jie,Shen Ji et al.Environmental characteristics of Mid-Holocene recorded by lacustrine sediments from Lake Daihai,north environment sensitive zone,China. Science in China(Series D),2006, 49 (9):968~981
[27]  12 Sun Qianli, Wang Sumin,Zhou Jie et al.Sediment geochemistry of Lake Daihai,north-Central China: Implications for catchment weathering and climate change during the Holocene. Journal of Paleolimnology, 2009, 13 (1):75~87,doi: 10.1007/s10933-009-9315-x
[28]  13 Brown E T, Le Callonnec L,German C R.Geochemical cycling of redoxsensitive metals in sediments from Lake Malawi: A diagnostic paleotracer for episodic changes in mixing depth. Geochimica et Cosmochimica Acta,2000, 64 :3515~3523
[29]  14 White A F, Blum A E.Effects of climate on chemical weathering in watersheds. Geochimica et Cosmochimica Acta,1995, 59 :1729~1747
[30]  15 Blands W, Rolls D.Weathering,An Introduction to the Scientific Principles.New York: Oxford University Press,1998.1~271
[31]  16 陈 骏,王鹤年.地球化学.北京: 科学出版社,2004.301~327
[32]  Chen Jun,Wang Henian.Geochemistry.Beijing: Science Press,2004.301~327
[33]  17 顾兆炎,刘嘉麒,袁宝印等.12000年来青藏高原季风变化——色林错沉积物的地球化学证据.科学通报,1993, 38 (1):61~64
[34]  Guo Zhaoyan,Liu Jiaqi,Yuan Baoyin et al.12000 years——Evidence of geochemistry from Seling Lake sediments. Chinese Science Bulletin,1993, 38 (1):61~64
[35]  18 顾兆炎,刘嘉麒,袁宝印等.湖相自生沉积作用与环境——兼论西藏色林错沉积物记录.第四纪研究,1994,(2):162~173
[36]  Guo Zhaoyan,Liu Jiaqi,Yuan Baoyin et al.Lacustrine authigenic deposition expressive of environment and the sediment record from Siling Co,Xizang(Tibet),China. Quaternary Sciences,1994,(2):162~173
[37]  19 陈敬安,万国江,陈振楼等.洱海沉积物化学元素与古气候演化.地球化学,1999, 28 (6):562~570
[38]  Chen Jing''an,Wan Guojiang, Chen Zhenlou et al.Chemical elements in sediments of Lake Erhai and palaeoclimate evolution. Geocheimica,1999, 28 (6):562~570
[39]  20 Xiao Jule, Wu Jintao,Si Bin et al.Holocene climate changes in the monsoon/arid transition reflected by carbon concentration in Daihai Lake of Inner Mongolia. The Holocene,2006, 16 :551~560
[40]  21 Weinert H H. Climatic factors affecting the weathering of igneous rocks. Agricultural Meteorology,1965, 2 :27~42
[41]  22 Lasaga A C, Soler J M,Ganor J et al.Chemical weathering rate laws and global geochemical cycles. Geochimica et Cosmochimica Acta, 1994, 58 :2361~2386
[42]  23 施雅风,孔昭宸,王苏民等.中国全新世大暖期的气候波动与重要事件.中国科学(B辑),1992,(12):1300~1308
[43]  Shi Yafeng,Kong Zhaochen,Wang Sumin et al.The climatic fluctuations and important events of Holocene Megathermal in China. Science in China(Series B),1992,(12) :1300~1308
[44]  24 Shi Yafeng, Kong Zhaozhen,Wang Sumin et al.Middle Holocene climates and environments in China. Global and Planetary Change,1993, 7 :219~233
[45]  25 施雅风,孔昭宸,王苏民.中国全新世大暖期鼎盛阶段的气候与环境.中国科学(B辑),1993, 23 (8):865~873
[46]  Shi Yafeng,Kong Zhaochen,Wang Sumin.The Holocene Megathermal climate and environment in China. Science in China(Series B),1993, 23 (8):865~873
[47]  26 Wang Yongjin, Cheng Hai,Edwards R L et al.The Holocene Asian monsoon: Links to solar changes and North Atlantic Climate. Science,2005, 308 :854~867
[48]  27 Yuan Daoxian, Cheng Hai,Edwards R L et al.Timing,duration,and transitions of the last interglacial Asian monsoon. Science,2004, 304 :575~578
[49]  28 An Zhisheng, Porter S C,Kutzbach J E et al.Asynchronous Holocene Optimum of the East Asian monsoon. Quaternary Science Reviews,2000, 19 :743~762
[50]  29 Sun Qianli, Wang Sumin,Zhou Jie et al.Lake surface fluctuations since the late glaciation at Lake Daihai,North Central China: A direct indicator of hydrological processes responded to East Asian monsoon climate. Quaternary International,2009, 194 :45~54
[51]  1 (瑞典) L.霍坎松,M.杨 松著.湖泊沉积学原理.北京: 科学出版社,1992.1~254
[52]  30 Lu Huayu, Miao Xiaodong,Zhou Yali et al.Late Quaternary aeolian activity in the Mu Us and Otindag dune fields(North China)and lagged response to insolation forcing. Geophysical Research Letters,2005, 32 (21): L21716,doi: 10.1029/2005GL024560
[53]  31 Chen T A, Chen H L,Lou J Y et al.The dry Holocene Megathermal in Inner Mongolia. Palaeogeography,Palaeoclimatology,Palaeoecology, 2003, 193 :181~200
[54]  32 孙千里,肖举乐.岱海沉积记录的季风/干旱过渡区全新世适宜期特征.第四纪研究,2006, 26 (5):781~790
[55]  Sun Qianli,Xiao Jule.Characteristics of the Holocene Optimum in the mosoon/arid transition belt recorded by core sediments of Daihai Lake,North China. Quaternary Sciences,2006, 26 (5):781

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