白龙江中游凤安山滑坡<sup>26</sup>Al暴露年代研究

舒杰; 白世彪; 崔豫; 陈倩; 张志刚; 王建

白龙江中游凤安山滑坡²⁶Al暴露年代研究

舒杰^1, ,,
白世彪^{1, 2, 3, 4,},
崔豫¹,
陈倩¹,
张志刚^{1, 2, 3, 4},
王建^{1, 2, 3, 4}

1.
南京师范大学地理科学学院, 江苏南京 210023
2.
虚拟地理环境教育部重点实验室(南京师范大学), 江苏南京 210023
3.
江苏省地理环境演化国家重点实验室培育建设点, 江苏南京 210023
4.
江苏省地理信息资源开发与利用协同创新中心, 江苏南京 210023

基金项目:

2015年省重点研发计划（社会发展）项目 BE2015704

江苏高校优势学科建设工程 164320H101

中国科学院山地灾害与地表过程重点实验室开放基金项目 KLMHESP-17-07

详细信息

作者简介:
白世彪(1974-), 博士, 教授, 从事自然地理学和滑坡等自然灾害的相关研究。E-mail:shibiaobai@njnu.edu.cn

通讯作者:
舒杰(1993-), 硕士生, 从事滑坡宇生核素暴露年代学研究。E-mail:shujie0122@162.com

中图分类号: P642.22;P597
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出版历程
- 收稿日期: 2017-05-06
- 刊出日期: 2017-12-01

STUDY ON ²⁶Al EXPOSURE DATING OF FENG'ANSHAN LANDSLIDE IN THE MIDDLE REACHES OF BAILONG RIVER

SHU Jie^{1
, ,},
BAI Shibiao^{1, 2, 3, 4
,},
CUI Yu¹,
CHEN Qian¹,
ZHANG Zhigang^{1, 2, 3, 4},
WANG Jian^{1, 2, 3, 4}

1.
School of Geopraphy Science, Nanjing Normal University, Nanjing 210023, Jiangsu China
2.
Key Laboratory of Virtual Geographic Environment(Nanjing Normal University), Ministry of Education, Nanjing 210023, Jiangsu China
3.
State Key Laboratory Cultivation Base of Geographical Environment Evolution(Jiangsu Province), Nanjing 210023, Jiangsu China
4.
Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, Jiangsu China

摘要

摘要: 准确地重建滑坡发生年代和复活期次是滑坡灾害风险评估与管理的关键步骤之一。近年来，随着AMS技术的发展，宇宙成因核素测年逐渐成为滑坡年代测定的有效手段之一。以甘肃省东南部白龙江中游的凤安山滑坡作为研究对象，在该滑坡后壁和其下方的大石块上各采集了1个宇生核素暴露年代样品，在综合考虑了遮蔽因子以及对该区域的侵蚀速率估算的基础上，研究了该滑坡的宇生核素²⁶Al暴露年代。结果显示：该滑坡分别大约在0.72~0.75 ka和2.26~2.65 ka左右发生过，后者发生时间与该区公元前186年的地震型滑坡发生时间一致；对于年代越老的样品，侵蚀速率对宇生核素测年的年代结果影响越大。
- 凤安山滑坡 /
- 宇生核素测年 /
- 滑坡事件年代 /
- 侵蚀速率
Abstract: Knowledge about the formation age and reactivation times of paleo-landslide are critical for landslide hazard assessment and management. With the development of AMS technology, cosmogenic nuclide dating method has been effectively applied in determining the formation age of paleo-landslide. In this study, the Feng'anshan landslide, which is located at the middle reaches of Bailong River in Southeast Gansu Province, was taken as the study target. Two rock samples, Fas-2 and Fas-1, were obtained from the landslide scarp and a block below the scarp respectively. Considering the masking factors and erosion rate of the sampling site, we calculated the ²⁶Al age of the landslide by using the method of ²⁶Al exposure dating with the cosmic nuclide. The main conclusions are as follows:(1) Two landslide events occurred at about 0.72~0.75 ka and 2.26~2.65 ka respectively. The latter formation age corresponds to the documented year of 186 BC in historical descriptions, when earthquakes induced the landslide. (2) The erosion rate has more impact on the dating results of samples with old ages.
- Feng'anshan landslide /
- cosmogenic nuclide dating /
- age of the landslide event /
- erosion rate

HTML全文

图 1 凤安山滑坡区地质图^[11]

Figure 1. Geological map of Feng'anshan landslide area^[11]

下载: 全尺寸图片幻灯片

图 2 凤安山滑坡主剖面图^[9]

(五角星标注位置为采样位置)

Figure 2. Principle profile map of Feng'anshan landslide^[9]

下载: 全尺寸图片幻灯片

图 3 凤安山滑坡及采样点

a-滑坡全貌图; b-滑坡后壁全貌图; c-局部滑坡后壁图; d-采样点位置图

Figure 3. Feng'anshan landslide and sampling location

下载: 全尺寸图片幻灯片

表 1 凤安山滑坡样品²⁶Al浓度

Table 1. ²⁶Al concentration of the samples from Feng'anshan landslide

样品编号	石英质量/g	²⁶Al/²⁷Al/×10^-15	AMS²⁶Al测量相对误差/%	²⁶Al浓度/×10⁴atoms/g
Fas-1	29.76048	22.7569	19.10	2.56±0.49
Fas-2	24.15329	14.6552	24.25	7.56±1.83
*B3	-	1.39007
注：-表示该数据为空，*表示所标注的样品为空白样

下载: 导出CSV

表 2 不同侵蚀速率下凤安山滑坡TCN ²⁶Al暴露年代数据

Table 2. TCN ²⁶Al Exposure ages in Feng'anshan landslide at different erosion rates

样品编号		Fas-1	Fas-2
采样深度/cm		3	4
遮蔽因素		0.58	0.58
²⁶Al浓度		25658.104	75633.413
不同侵蚀速率情境下基于Lal(1991)/Stone(2000)模型所换算得到的年代(¹⁰Be, ka)	ε=0 mm/ka	0.69±0.14	2.02±0.52
	ε=8 mm/ka	0.70±0.15	2.05±0.54
	ε=11 mm/ka	0.70±0.15	2.06±0.54
	ε=29 mm/ka	0.71±0.15	2.12±0.58
	ε=60 mm/ka	0.72±0.16	2.26±0.65
	ε=130 mm/ka	0.75±0.17	2.65±0.92
注：ε代表侵蚀速率

下载: 导出CSV

参考文献(47)

[1]	袁兆德. 帕米尔活动造山带东北部大型滑坡体特征与年代[D]. 北京: 中国地震局地质研究所, 2012. YUAN Zhaode. Nature and timing of large landslides within an active orogeny, NE Pamir, China[D]. Beijing:Institute of Geology, China Earthquake Administration, 2012. (in Chinese with English abstract)
[2]	杨丽娟, 李华亮, 易顺华.陕西五曲湾滑坡发育特征和¹⁴C测龄[J].灾害学, 2010, 25(3):49~52. http://d.wanfangdata.com.cn/Periodical/zhx201003010 YANG Lijuan, LI Hualiang, Yi Shunhua. Development characteristics and ¹⁴C dating of a landslide in Wuquwan in Shaanxi Province[J]. Journal of Catastrophology, 2010, 25(3):49~52. (in Chinese with English abstract) http://d.wanfangdata.com.cn/Periodical/zhx201003010
[3]	洪婷, 白世彪, 王建.树轮地貌学重建滑坡事件研究进展[J].地质论评, 2014, 60(4):755~764. http://www.oalib.com/paper/4884591 HONG Ting, BAI Shibiao, WANG Jian. A review on study of landslide activities using Dendrogeomorphological methods[J]. Geological Review, 2014, 60(4):755~764. (in Chinese with English abstract) http://www.oalib.com/paper/4884591
[4]	田婷婷, 吴中海, 张克旗, 等.第四纪主要定年方法及其在新构造与活动构造研究中的应用综述[J].地质力学学报, 2013, 19(3):242~266. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?file_no=20130302&flag=1 TIAN Tingting, WU Zhonghai, ZHANG Keqi, et al. Overview of quaternary dating methods and their application in neotectonics and active tectonics research[J]. Journal of Geomechanics, 2013, 19(3):242~266. (in Chinese with English abstract) http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?file_no=20130302&flag=1
[5]	Sewell R J, Barrows T T. Exposure dating (¹⁰Be, ²⁶Al) of natural terrain landslides in Hong Kong, China[J]. Special Paper of the Geological Society of America, 2006, 415:131~146. https://pubs.geoscienceworld.org/books/book/570/chapter/3803210/Exposure-dating-10Be-26Al-of-natural-terrain
[6]	Dortch J M, Owen L A, Haneberg W C, et al. Nature and timing of large landslides in the Himalaya and Transhimalaya of northern India[J]. Quaternary Science Reviews, 2009, 28(11/12):1037~1054. https://www.sciencedirect.com/science/article/pii/S0277379108001169
[7]	Hewitt K, Gosse J, Clague J J. Rock avalanches and the pace of late Quaternary development of river valleys in the Karakoram Himalaya[J]. Geological Society of American Bulletin, 2011, 123(9/10):1836~1850. http://gsabulletin.gsapubs.org/content/123/9-10/1836.abstract
[8]	Pánek T. Recent progress in landslide dating:A global overview[J]. Progress in Physical Geography, 2015, 39(2):168~198. doi: 10.1177/0309133314550671
[9]	谌文武, 赵志福, 刘高, 等.兰州~海口高速公路甘肃段工程地质问题研究[M].兰州:兰州大学出版社, 2006. 70~73. ZHAN Wenwu, ZHAO Zhifu, LIU Gao, et al. Geoengineering Question in Gansu Province of the Highwar Form Lanzhou to Haikou[M]. Lanzhou:Lanzhou University Press, 2006. 70~73. (in Chinese)
[10]	刘高, 张帆宇, 李新召, 等. 凤安山滑坡地质过程研究[A]. 第二届全国岩土与工程学术大会[C]. 北京: 科学出版社, 2006. LIU Gao, ZHANG Fanyu, LI Xinzhao, et al. Study on geological process of the Feng'anshan Landslide[A]. National Geotechnical and Engineering Conference[C]. Beijing:Science Press, 2006. (in Chinese)
[11]	原俊红. 白龙江中游滑坡堵江问题研究[D]. 兰州: 兰州大学, 2007. YUAN Junhong. Study on the landslide damming of river in the middle reaches of the Bailong River[D]. Lanzhou:Lanzhou University, 2007. (in Chinese with English abstract)
[12]	郭长宝, 张永双, 王涛, 等.南北活动构造带中段地质灾害与重大工程地质问题概论[J].地质力学学报, 2017, 23(5):707~722. http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?file_no=20170508&flag=1 GUO Changbao, ZHANG Yongshuang, Wang Tao, et al. Discussion on geological hazards and major engineering geological problems in the north-south active tectonic zone, China[J]. Journal of Geomechanics, 2017, 23(5):707~722. (in Chinese with English abstract) http://journal.geomech.ac.cn/ch/reader/view_abstract.aspx?file_no=20170508&flag=1
[13]	郑龙, 王文丽, 马紫娟.宕昌县地震活动性分析与评价[J].甘肃科技, 2016, 32(2):12~16. http://www.cqvip.com/QK/90793A/201602/667998090.html ZHENG Long, Wang Liwen, MA Zijuan. Analysis and evaluation of seismic activity in Dangchang[J]. Gansu Science and Technology, 2016, 32(2):12~16. (in Chinese) http://www.cqvip.com/QK/90793A/201602/667998090.html
[14]	温晓婧.甘肃省陇南市宕昌县山洪灾害现状、防治存在问题及治理措施研究[J].西北水电, 2011, (4):12~14. http://www.cqvip.com/QK/98045X/201104/39014483.html WEN Xiaojing. Study on status of mountain flood disasters in Tuochang county of Gansu province and counter measures[J]. Northwest Hydropower, 2011, (4):12~14. (in Chinese with English abstract) http://www.cqvip.com/QK/98045X/201104/39014483.html
[15]	胡凯, 方小敏, 赵志军, 等.宇宙成因核素¹⁰Be揭示的北祁连山侵蚀速率特征[J].地球科学进展, 2015, 30(2):268~275. doi: 10.11867/j.issn.1001-8166.2015.02.0268 HU Kai, FANG Xiaomin, ZHAO Zhijun, et al. Erosion rates of northern Qilian Mountains revealed by cosmogenic ¹⁰Be[J]. Advances in Earth Science, 2015, 30(2):268~275. (in Chinese with English abstract) doi: 10.11867/j.issn.1001-8166.2015.02.0268
[16]	Lal D. Cosmic ray labeling of erosion surfaces:in situ nuclide production rates and erosion models[J]. Earth & Planetary Science Letters, 1991, 104(2/4):424~439. https://www.sciencedirect.com/science/article/pii/0012821X9190220C
[17]	Dunai T J. Influence of secular variation of the geomagnetic field on production rates of in situ produced cosmogenic nuclides[J]. Earth & Planetary Science Letters, 2001, 193(1~2):197~212. http://adsabs.harvard.edu/abs/2001E%26PSL.193..197D
[18]	Gosse J C, Phillips F M. Terrestrial in situ cosmogenic nuclides:theory and application[J]. Quaternary Science Reviews, 2001, 20(14):1475~1560. doi: 10.1016/S0277-3791(00)00171-2
[19]	张志刚, 王建, 徐孝彬, 等.利用宇生核素¹⁰Be暴露测年技术重建冰川漂砾运动历史[J].山地学报, 2017, (4):590~597. http://www.geog.com.cn/CN/abstract/abstract39694.shtml ZHANG Zhigang, WANG Jian, XU Xiaobin, et al. Reconstructing movement history of glacial boulders by using¹⁰Be exposure dating method[J]. Mountain Research, 2017, (4):590~597. (in Chinese with English abstract) http://www.geog.com.cn/CN/abstract/abstract39694.shtml
[20]	Ivy-Ochs S, Kober F. Surface exposure dating with cosmogenic nuclides[J]. Quaternary Science Journal, 2008, 57(1/2):179~209.
[21]	Brown E T, Edmond J M, Raisbeck G M, et al. Examination of surface exposure ages of Antarctic moraines using in situ, produced ¹⁰Be and ²⁶Al[J]. Geochimica et Cosmochimica Acta, 1991, 55(8):2269~2283. doi: 10.1016/0016-7037(91)90103-C
[22]	Kohl C P, Nishiizumi K. Chemical isolation of quartz for measurement of in-situ-produced cosmogenic nuclides[J]. Geochimica et Cosmochimica Acta, 1992, 56(9):3583~3587. doi: 10.1016/0016-7037(92)90401-4
[23]	徐孝彬, 王建, 陈仕涛.陆面岩石中生成的同位素¹⁰Be与²⁶Al的实验室提取方法[J].南京师大学报(自然科学版), 2003, 26(1):111~115. http://image.hanspub.org:8080/xml/17644.xml XU Xiaobin, WANG Jian, CHEN Shitao. Samples selection in terrestrial cosmogenic isotopes dating and extraction of ¹⁰Be and ²⁶Al[J]. Journal of Nanjing Normal University (Natural Science), 2003, 26(1):111~115. (in Chinese with English abstract) http://image.hanspub.org:8080/xml/17644.xml
[24]	张志刚. 稻城古冰帽第四纪冰川年代学研究[D]. 南京: 南京师范大学, 2014. ZHANG Zhigang. Quaternary glacial chronology of Paleo-Daocheng ice cap, Southeastern Tibetan plateau, China[D]. Nanjing:Nanjing Normal University, 2014. (in Chinese with English abstract)
[25]	徐孝彬, 王建, Yiou F, 等.地貌学与第四纪研究的新手段——陆地宇生核素研究[J].地理科学, 2002, 22(5):587~591. http://www.cqvip.com/qk/95809x/2002005/6992860.html XU Xiaobin, WANG Jian, Yiou F, et al. New means in the study of geomorphology and quaternary-research of terrestrial cosmogenic isotopes[J]. Scientia Geographica Sinica, 2002, 22(5):587~591. (in Chinese with English abstract) http://www.cqvip.com/qk/95809x/2002005/6992860.html
[26]	李英奎, Harbor J, 刘耕年, 等.宇宙核素地学研究的应用现状与存在问题[J].水土保持研究, 2005, 12(4):146~152. http://d.wanfangdata.com.cn/Periodical_stbcyj200504042.aspx LI Yingkui, Jon Harbor, LIU Gengnian, et al. Applications and limitations of in-situ cosmogenic nuclides in earth sciences[J]. Research of Soil and Water Conservation, 2005, 12(4):146~152. (in Chinese with English abstract) http://d.wanfangdata.com.cn/Periodical_stbcyj200504042.aspx
[27]	Dunne J, Elmore D, Muzikar P. Scaling factors for the rates of production of cosmogenic nuclides for geometric shielding and attenuation at depth on sloped surfaces[J]. Geomorphology, 1999, 27(1/2):3~11. https://www.sciencedirect.com/science/article/pii/S0169555X98000865
[28]	Gillespie A R, Bierman P R. Precision of terrestrial exposure ages and erosion rates estimated from analysis of cosmogenic isotopes produced in situ[J]. Journal of Geophysical Research Atmospheres, 1995, 100(B12):24637~24650. doi: 10.1029/95JB02911
[29]	Zerathe S, Braucher R, Lebourg T, et al. Dating chert (diagenetic silica) using in-situ-produced ¹⁰Be:Possible complications revealed through a comparison with ³⁶Cl applied to coexisting limestone[J]. Quaternary Geochronology, 2013, 17(3):81~93. http://www.sciencedirect.com/science/article/pii/S1871101413000046
[30]	Zerathe S, Lebourg T, Braucher R, et al. Mid-Holocene cluster of large-scale landslides revealed in the Southwestern Alps by ³⁶Cl dating. Insight on an Alpine-scale landslide activity[J]. Quaternary Science Reviews, 2014, 90:106~127. doi: 10.1016/j.quascirev.2014.02.015
[31]	Balco G, Stone J O, Lifton N A, et al. A complete and easily accessible means of calculating surface exposure ages or erosion rates from Be and Al measurements[J]. Quaternary Geochronology, 2008, 3(3):174~195. doi: 10.1016/j.quageo.2007.12.001
[32]	Desilets D, Zreda M. Spatial and temporal distribution of secondary cosmic-ray nucleon intensities and applications to in situ cosmogenic dating[J]. Earth & Planetary Science Letters, 2003, 206(1/2):21~42. https://www.sciencedirect.com/science/article/pii/S0012821X02010889
[33]	Desilets D, Zreda M, Prabu T. Extended scaling factors for in situ cosmogenic nuclides:New measurements at low latitude[J]. Earth & Planetary Science Letters, 2006, 246(3/4):265~276. https://www.sciencedirect.com/science/article/pii/S0012821X06002871
[34]	Lifton N A, Bieber J W, Clem J M, et al. Addressing solar modulation and long-term uncertainties in scaling secondary cosmic rays for in situ cosmogenic nuclide applications[J]. Earth & Planetary Science Letters, 2005, 239(1/2):140~161. http://www.sciencedirect.com/science/article/pii/S0012821X05004437
[35]	Stone J O. Air pressure and cosmogenic isotope production[J]. Journal of Geophysical Research Solid Earth, 2000, 105(B10):23753~23759. doi: 10.1029/2000JB900181
[36]	Hein A S, Hulton N R J, Dunai T J, et al. The chronology of the Last Glacial Maximum and deglacial events in central Argentine Patagonia[J]. Quaternary Science Reviews, 2010, 29(9/10):1212~1227. http://www.sciencedirect.com/science/article/pii/S0277379110000326
[37]	Owen L A, Frankel K L, Knott J R, et al. Beryllium-10 terrestrial cosmogenic nuclide surface exposure dating of Quaternary landforms in Death Valley[J]. Geomorphology, 2011, 125(4):541~557. doi: 10.1016/j.geomorph.2010.10.024
[38]	Hippolyte J C, Bourlès D, Braucher R, et al. Cosmogenic ¹⁰Be dating of a sackung and its faulted rock glaciers, in the Alps of Savoy (France)[J]. Geomorphology, 2009, 108(3/4):312~320. http://www.sciencedirect.com/science/article/pii/S0169555X09000828
[39]	Lebourg T, Zerathe S, Fabre R, et al. A Late Holocene deep-seated landslide in the northern French Pyrenees[J]. Geomorphology, 2014, 208(2):1~10. https://www.sciencedirect.com/science/article/pii/S0169555X13005849
[40]	Portenga E W, Bierman P R. Understanding Earth's eroding surface with ¹⁰Be[J]. GSA Today, 2011, 21(8):4~10. doi: 10.1130/G111A.1
[41]	许刘兵, 周尚哲.基于宇宙成因核素¹⁰Be的青藏高原东南部地区末次间冰期以来地表岩石剥蚀速率研究[J].地质学报, 2009, 83(4):487~495. http://www.geog.com.cn/CN/abstract/abstract39334.shtml XU Liubing, ZHOU Shangzhe. Quantifying erosion rates in the southeastern Tibetan plateau since the last interglacial using in-situ cosmogenic radionuclide ¹⁰Be[J]. Acta Geologica Sinica, 2009, 83(4):487~495. (in Chinese with English abstract) http://www.geog.com.cn/CN/abstract/abstract39334.shtml
[42]	Small E E, Anderson R S, Repka J L, et al. Erosion rates of alpine bedrock summit surfaces deduced from in situ ¹⁰Be and ²⁶Al[J]. Earth & Planetary Science Letters, 1997, 150(3/4):413~425. http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V61-4177RWJ-K&_user=6894003&_coverDate=08%2F31%2F1997&_rdoc=17&_fmt=high&_orig=browse&_origin=browse&_zone=rslt_list_item&_srch=doc-info(%23toc%235801%231997%23998499996%23567143%23FLP%23display%2
[43]	刘蓓蓓, 张威, 崔之久, 等.青藏高原东北缘玛雅雪山晚第四纪冰川发育的气候和构造耦合[J].冰川冻土, 2015, 37(3):701~710. http://d.wanfangdata.com.cn/Periodical/bcdt201503017 LIU Beibei, ZHANG Wei, CUI Zhijiu, et al. Climate-tectonics coupling effect on late quaternary glaciation in the Mayaxue Shan, Gansu Province[J]. Journal of Glaciology and Geocryology, 2015, 37(3):701~710. (in Chinese with English abstract) http://d.wanfangdata.com.cn/Periodical/bcdt201503017
[44]	Clapp E M, Bierman P R, Caffee M, et al. Using ¹⁰Be and ²⁶Al to determine sediment generation rates and identify sediment source areas in aft arid region drainage basin[J]. Geomorphology, 2002, 45(1/2):89~104. doi: 10.1086/598945
[45]	Kong P, Na C G, Fink D, et al. Erosion in northwest Tibet from in-situ-produced cosmogenic ¹⁰Be and ²⁶Al in bedrock[J]. Earth Surface Processes and Landforms, 2007, 32(1):116~125. doi: 10.1002/(ISSN)1096-9837
[46]	Lal D, Harris N B W, Sharma K K, et al. Erosion history of the Tibetan Plateau since the last interglacial:constraints from the first studies of cosmogenic ¹⁰Be from Tibetan bedrock[J]. Earth & Planetary Science Letters, 2003, 217(1/2):33~42. http://www.sciencedirect.com/science/article/pii/S0012821X03006009
[47]	顾功叙.中国地震目录(公元前1831年~公元1969年)[M].北京:科学出版社, 1983. GU Gongxu. China Seismic Catalogue (1831BC~1969AD)[M]. Beijing:Science Press, 1983. (in Chinese)