THE GRAIN SIZE AND ELEMENT RECORD OF THE DRY MID-HOLOCENE LAKE IN THE TENGGER NUUR, INNER MONGOLIA PLATEAU, CHINA
-
摘要: 对内蒙古高原腾格淖尔湖泊约400 cm剖面沉积物的粒度、碳酸盐和TOC含量以及元素地球化学特征进行分析,利用Mg/Ca、CEC、Rb/Sr、CIA、古气候指数C等的古气候古环境指示意义,结合3个AMS 14C年代结果,利用该区域湖泊"碳库效应"研究的基础进行年代校正,分析了腾格淖尔大约9 000 cal.aBP以来古环境演变过程。研究发现腾格淖尔全新世早-中期(约9 000~4 500 cal.aBP)气候暖干,有效湿度小,而湖泊为高湖面,最高湖面在约8 000~6 200 cal.aBP期间;湖泊的高水位主要是继承了早全新世夏季风增强形成的扩张湖泊;3 000~4 500 cal.aBP以来气候冷干,有效湿度稍有增加,湖面在降水持续减少情况下逐渐收缩干涸。Abstract: A 400-cm long core from Tengger Nuur of the Inner Monglia Plateau was collected and grain size, carbonate-content, TOC-content, metal elements and ratios analyzed in the environmental lab of Lanzhou University. 3 14C AMS samples were determined by the NFS Arizona AMS Laboratory of Arizona University in the USA. Carbon reservoir effect was considered for calibration of the dating data using the about 1000 year data from researching results in the past. Environmental proxies of Mg/Ca、CEC、Rb/Sr、CIA and palaeoclimatic index C were used for construction of palaeoenvironmental change model since~9 000 cal aBP. A warm and dry palaeocliamtic environment was prevailed during the mid-Holocene (~9 000~4 500cal.aBP) with high lake level and low effective humidity. The lake remained high in the Early Holocene as summer monsoon strengthened with high rainfall and temperature. The lake approached its highest level about~8 000~6 200 cal. aBP. After 3 000~4 500 cal. aBP, palaeoclimate turned dry and cold, and the increase in effective humidity was in favor of vegetation in this area. However, with decreasing rainfall, the lake shrank gradually until it dried up.
-
Key words:
- grain size /
- element /
- Tengger Nuur /
- mid-Holocene
-
-
[1] Araguas-Araguas L, Froehlich K, Rozanski K. Stable isotope composition of precipitation over Southeast Asia[J]. Journal of Geophysical Research, 1998, 103:28721-28742.
[2] Winkler M G, Wang P K. The late Quaternary vegetation and climate of China[C]//Global Climates since the Last Glacial Maximum. University of Minnesota Press, Minneapolis, 1993:221-261.
[3] 李吉均. 中国西北地区晚更新世以来环境变迁模式[J]. 第四纪研究, 1990,10(3):197-204.
[LI junji. The Patterns of environmental changes since Late Pleistocene in northwestern China[J]. Quaternary Sciences, 1990,10(3):197-204.]
[4] 施雅风. 山地冰川与湖泊萎缩所指示的亚洲中部气候干旱化趋势与未来展望[J]. 地理学报, 1990, 45(1):1-13.
[SHI Yafeng. Glacier recession and lake shrinkage indicating the climatic warming and drying trend in central Asia[J]. Acta Geographics Sinica, 1990, 45(1):1-13.]
[5] An Z S, Liu T S, Lu Y C, et al. The long-term paleomonsoon variation recorded by the loess-paleosol sequence in central China[J]. Quaternary International, 1990, 7/8:91-95.
[6] Shi Y F, Kong Z Z, Wang S M, et al. Mid-Holocene climates and environments in China[J]. Global Planetary Change, 1993, 7:219-233.
[7] Jiang Wenying, Guo Zhengtang, Sun Xiangjun, et al. Reconstruction of climate and vegetation changes of Lake Bayanchagan (Inner Mongolia):Holocene variability of the East Asian monsoon[J]. Quaternary Research, 2006, 65:411-420.
[8] An C B, Chen F H, Barton L. Holocene environmental changes in Mongolia:A review[J]. Global and Planetary Change, 2008, 63:283-289.
[9] Jin Z, Wu J, Cao J, et al. Holocene chemical weathering and climatic oscillations in north China:evidence from lacustrine sediments[J]. Boreas, 2004, 33:260-266.
[10] 郭兰兰, 冯兆东, 李心清, 等. 鄂尔多斯高原巴汗淖湖泊记录的全新世气候变化[J]. 科学通报, 2007, 52(5):584-590.
[GUO Lanlan, FENG Zhaodong, LI Xinqing, et al. Holocene climatic and environmental changes recorded in Baahar Nuur Lake core in the Ordos Plateau, Inner Mongolia of China[J]. Chinese Science Bulletin, 2007, 52(5):584-590.]
[11] Chen ChenTung A, Lan Hsin-Chi, Lou Jiann-Yuh, et al. The dry Holocene megathermal in Inner Mongolia[J]. Palaeogeography, Palaeoclimatology, Palaeoecology, 2003, 193:181-200.
[12] 张振克, 王苏民. 13ka以来呼伦湖湖面波动与泥炭发育、风沙-古土壤序列的比较及其古气候意义[J]. 干旱区资源与环境, 2000, 14(3):56-59.
[ZHANG Zhenke, WANG Sumin. Paleoclimate significance of lake level fluctuation,peat development and eolian sand-paleosoil series in Hulun Lake area during Past 13ka[J]. Journal of Arid Land Resources and Environment, 2000, 14(3):56-59.]
[13] Wang Weiguo, Feng Zhaodong, Lee Xinqing, et al. Holocene abrupt climate shifts recorded in Gun Nuur lake core, northern Mongolia[J]. Chinese Science Bulletin, 2004, 49(5):520-526.
[14] Schwanghart W, Frechen M, Kuhn N J, et al. Holocene environmental changes in the Ugii Nuur basin, Mongolia[J]. Palaeogeography, Palaeoclimatology, Palaeoecology, 2009, 279:160-171.
[15] Prokopenko A A, Khursevich, G K, Bezrukova E V, et al. Paleoenvironmental proxy records from Lake Hovsgol, Mongolia, and a synthesis of Holocene climate change in the Lake Baikal watershed[J]. Quaternary Research, 2007, 68:2-17.
[16] Singer M, Janitzky P. Field and laboratory procedures used in soil chronosequence study[J]. U. S. Geological Survey Bulletin, 1987:1648.
[17] Wen Ruilin, Xiao Jule, Chang Zhigang, et al. Holocene climate changes in the mid-high-latitude-monsoon margin reflected by the pollen record from Hulun Lake, northeastern Inner Mongolia[J]. Quaternary Research, 2010, 73:293-303.
[18] 任国玉. 内蒙古湖相沉积14C年代测定中"硬水"影响的发现[J]. 湖泊科学, 1998, 10(3):80-82.
[REN Guoyu. A finding of the influence of hard water on radio carbon dating for lake sediments in Inner Mongolia, China[J]. Journal of Lake Science, 1998, 10(3):80-82.]
[19] Zhang Chengjun, Feng Zhaodong, Yang Qili, et al. Holocene environmental variations recorded by organic-related and carbonate-related proxies of the lacustrine sediments from Bosten Lake, northwestern China[J]. The Holocene, 2010, 20(3):363-373.
[20] Lou J Y, Chen C T A, Wann J K. Paleoclimatological records of the Great Ghost Lake in Taiwan[J]. Science in China (Ser. D), 1997, 40:284-292.
[21] An, Z S, Porter, S C, Zhou W J, et al. Episode of strengthened summer monsoon climate of Younger Dryas age on the loess plateau of central China[J]. Quaternary Research, 1993, 39:45-54.
[22] Zhang Chengjun, Mischke S, Zheng Mianping, et al. The carbon and oxygen isotopic composition of surface-sediment carbonate in Bosten Lake (Xinjiang, China) and its controlling factors[J]. Acta Geologica Sinica, 2009, 2(83):386-395.
[23] Kelts K, Talbot M. Lacustrine carbonates as geochemical archives of environmental change and biotic and abiotic interactions[M]//Large Lakes. Springer-Verlag, Berlin, 1990:288-315.
[24] Spears, D A. Relationship between exchangeable cations and palaeosalinit[J]. Geochimica et Cosmochimica Acta, 1973, 37:77-85.
[25] Jin Zhangdong, Wang Sumin, Shen Ji, et al. Weak chemical weathering during the Little Ice Age recorded by lake sediments[J]. Science in China (Series D), 2001, 31(3):221-225.
[26] Nesbitt, H W, Yong G M.Early Proterozoic climates and plate motions inferred from major element chemistry of lutites[J]. Nature, 1982. 299:715-717.
[27] 关有志. 科尔沁沙地的元素、粘土矿物与沉积环境[J]. 中国沙漠, 1992, 12(1):9-15.
[GUAN Youzhi. The element, clay mineral and depositional environment in Horqin sand land[J]. Journal of Desert Research, 1992, 12(1):9-15.]
[28] 杨志荣, 史培军, 方修琦. 大青山调角海子地区11 kaBP以来的植被与生态环境演化[J]. 植物生态学报, 1997, 21(6):551-563.
[YANG Zhirong, SHI Peijun, FANG Xiuqi. Preliminary study on paleovegetation and environmental changes since 11 kaBP in Diaojiaohaizi lake area, Daqing mountains, Inner Mongolia[j]. Acta Phytoecologica Sinica, 1997, 21(6):551-563.]
[29] Shen J, Liu X, Wang S, et al. Palaeoclimatic changes in the Qinghai Lake area during the last 18000 years[J]. Quaternary International, 2005, 136:131-140.
[30] Li Xiaoqiang, Zhou Weijian, An Zhisheng, et al. The vegetation and monsoon variations at the desert-loess transition belt at Midiwan in northern China for the last 13 ka[J]. Holocene, 2003, 13(5):779-784.
[31] 陈发虎, 吴薇, 朱艳. 阿拉善高原中全新世干旱事件的湖泊记录研究[J]. 科学通报, 2004, 49(1):1-9.
[CHEN Fahu, WU Wei, ZHU Yan. A mid-Holocene drought interval as evidenced by lake desiccation in the Alashan plateau, Inner Mongolia China[J]. Chinese Science Bulletin, 2004, 49(1):1-9.]
[32] 周卫健, 李小强, 董光荣, 等. 新仙女木期沙漠/黄土过渡带高分辨率泥炭记录——东亚季风气候颤动的实例[J]. 中国科学D辑, 1996, 26(2):118-124.
ZHOU Weijian,LI Xiaoqiang,DONG Guangrong.[High-resolution peat records for desert-loess transition zone of the Younger Dryas-A case of oscillation events in East Asia monsoon climate[J]. Science in China (Ser.D), 1996, 26(2):118-124.]
[33] 许清海, 肖举乐, 中村俊夫, 等. 全新世以来岱海盆地植被演替和气候变化的孢粉证据[J]. 冰川冻土, 2004, 26(1):73-80.
[XU Qinghai, XIAO Jule, Toshio Nakamura, et al. Pollen evidence of vegetation and climate changes in Daihai lake area during the Holocene[J]. Journal of Glaciology and Geocryology, 2004, 26(1):73-80.]
[34] 申洪源, 张红梅, 贾玉连. 内蒙古黄旗海湖泊沉积物δ13Corg记录的环境演变信息[J]. 海洋地质与第四纪地质, 2005, 25(4):35-40.
[SHEN Hongyuan, ZHANG Hongmei, JIA Yulian. An organic carbon isotopic record from sediments of the Huangqihai Lake, Inner Mongolia:Implications of environmental evolution[J]. Marine Geology and Quaternary Geology, 2005, 25(4):35-40.]
[35] 王燕, 王书兵, 赵志中, 等. 内蒙古克什克腾旗地区距今16000 a以来的孢粉组合特征与环境变迁[J]. 地球学报, 2005, 26(5):449-453.
[WANG Yan, WANG Shubing, ZHAO Zhizhong, et al. Vegetation and environmental changes in Hexiqten Qi of Inner Mongolia in the past 16000 years[J]. Acta Geosicentia Sinica, 2005, 26(5):449-453.]
[36] 高尚玉, 陈渭南, 靳鹤龄, 等. 全新世中国季风区西北缘沙漠演化初步研究[J]. 中国科学B辑, 1993, 23(2):202-208.
[GAO Shangyu, CHEN Weinan, JIN Heling. A preliminary study on the desert evolution of northwestern margin in Holocene monsoon region in China[J]. Science in China (Ser.B),1993, 23(2):202-208.]
-
计量
- 文章访问数: 1047
- PDF下载数: 3
- 施引文献: 0
下载: