西昌市泸山地区典型火后泥石流特征与成因机制研究——以响水沟左岸3<sup>#</sup>支沟为例

doi:10.19388/j.zgdzdc.2020.03.11

Abstract
Figure/Table
References
Related Citation (1)

Download: PDF (4950 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract On March 30, 2020, a forest fire broke out in Liangshan area of Xichang City in Sichuan Province. After the fire, the ash and burnt soil easily developed into debris flow in case of heavy rainfall, which brought potential geological hazard risks to the ecological environment of Lushan and safety of local people's lives and properties in Qionghai and Lushan areas. Taking 3^# branch on the left bank of Xiangshuigou in Anha Town as an example, the authors conducted field investigation, UAV aerial photography, geophysical exploration, field and indoor experiments to study the fluid characteristics, dynamic parameters and genetic mechanism of the post-fire debris flow on May 1, 2020. The features of movement, provenance scale and deduced precipitation were also systematically analyzed. This achievement could provide some reference for the study of the development trend of the post-fire debris flow and the mitigation of disasters in this area.

Key words： burned areas in Xichang post-fire debris flow formation mechanism features of movement disaster prevention and mitigation

Received: 08 June 2020

ZTFLH:

P642.23

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	TIE Yongbo
	XU Ruge
	LIU Hong
	WANG Jiazhu
	BA Renji
	XIANG Anping
	YANG Jian
	OUYANG Yuan
	ZHANG Yu
	WANG Hong

Cite this article:

TIE Yongbo,XU Ruge,LIU Hong, et al. Study on the characteristics and formation mechanism of the typical post-fire debris flow in Lushan area of Xichang City: A case study of 3^# branch on the left bank of Xiangshuigou[J]. , 2020, 7(3): 82-88.

URL:

http://www.zgdzdcbjb.com/EN/10.19388/j.zgdzdc.2020.03.11 OR http://www.zgdzdcbjb.com/EN/Y2020/V7/I3/82

[1] 习近平对四川西昌市经久乡森林火灾作出重要指示:要求坚决遏制事故灾难多发势头全力保障人民群众生命和财产安全[N/OL].人民日报,2020-04-01(1).http://paper.people.com.cn/rmrb/html/2020-04/01/nw.D110000renmrb_20200401_2-01.htm.
[2] Cannon S H,Kirkham R M,Parise M.Wildfire-related debris-flow initiation processes,Storm King Mountain,Colorado[J].Geomorphology,2001,39(3/4):171-188.
[3] Cannon S H,Bigio E R,Mine E.A process for fire-related debris flow initiation,Cerro Grande fire,New Mexico[J].Hydrological Processes,2001,15(15):3011-3023.
[4] 胡卸文,王严,杨瀛.火后泥石流成灾特点及研究现状[J].工程地质学报,2018,26(6):1562-1573.
[5] 任云,胡卸文,王严,等.四川省九龙县色脚沟火后泥石流成灾机理[J].水文地质工程地质,2018,45(6):150-156.
[6] 王严,胡卸文,金涛,等.火后泥石流形成过程的物源启动模式研究[J].工程地质学报,2019,27(6):1415-1423.
[7] 四川省水利电力厅.四川省中小流域暴雨洪水计算手册[M].成都:四川省水利电力厅,1984.
[8] 四川省水文水资源勘测局.四川省暴雨统计参数图集[Z][Z].成都:四川省水文水资源勘测局,2010.
[9] 中国地质灾害防治工程行业协会.泥石流灾害防治工程勘查规范(试行)T/CAGHP 006—2018[S].武汉::中国地质大学出版社,2018.
[10] Ni H Y,Zheng W M,Song Z,et al.Catastrophic debris flows triggered by a 4 July 2013 rainfall in Shimian,SW China:formation mechanism,disaster characteristics and the lessons learned[J].Landslides,2014,11(5):909-921.
[11] 铁永波,周洪福,倪化勇.西南山区短时强降雨诱发型低频泥石流成因机制分析——以四川省宝兴县冷木沟泥石流为例[J].灾害学,2013,28(4):110-113,187.
[12] Tie Y B,Xu R G,Ba R J.The formation of runoff-generated debris flow in Southwestern of China:take Gangou as an example[J].Environ Earth Sci,2014,72(5):1479-1490.