Analysis of the rainfall threshold for post-fire debris flow initiation: A case study of the debris flow at Ren’eyong gully in Xiangcheng County, Sichuan Province [PDF]
In the early summer of 2014, a wildfire ravaged the Ren’eyong valley in the central Mt. Hengduan region of southwestern China. Following the blaze, debris flows were triggered three times in branch No. 3 due to short-term, low intensity rainfall.
Guisheng HU +4 more
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Development Status and Prospect of Smelting Reduction Ironmaking Technology in China [PDF]
This is an article in the field of metallurgical engineering. With the increasing attention of iron and steel enterprises to pollutant emission, non blast furnace ironmaking process has gradually become a hot issue.
Chenchen LAN +5 more
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Shuitu Baochi Xuebao, 2004 进入新世纪,我国土壤侵蚀与水土保持科学研究迎来了新的发展机遇和挑战。在分析我国土壤侵蚀与水土保持学科研究的社会需求、科学需求及其特殊性的基础上,指出了我国土壤侵蚀与水土保持科学研究中存在的主要问题,提出了该领域亟待解决的前沿科学问题,如土壤侵蚀过程与机理,土壤侵蚀预报模型,水土保持措施防蚀机理及其适用性,流域生态过程和水土保持措施配置,大尺度土壤侵蚀与水土保持的格局及其变化规律,土壤侵蚀与水土保持环境效应评价,土壤侵蚀研究新技术与方法等。
冷疏影 冯仁国 李锐 刘宝元 郑粉莉 刘国彬 王占礼 杨勤科 傅伯杰 宋长青
doaj
Responses of Loess Ground with Different Slopes and Vegetation Covers to Rainfall Infiltration [PDF]
[Objective] To investigate the soil moisture response to rainfall in loess ground with different slopes and vegetation types. [Methods] Eight in-situ observation plots were established, including flat surfaces with bare soil, Artemisia cover, and Robinia
HU Xiangyang +6 more
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Shuitu Baochi Xuebao, 2011 利用野外模拟降雨试验,分析不同植被条件覆盖下坡面降雨入渗产流和侵蚀产沙过程特征及其互作关系,阐明不同植被类型对坡面降雨侵蚀产沙过程的调控机理及其差异。结果表明:荒地、草地和坡耕地坡面产流产沙过程线均较林地的强烈,呈现出多峰多谷的特点,产沙过程较产流过程波动更为剧烈;坡面累计产沙量随累计径流量增加呈幂函数显著递增趋势,坡面侵蚀产沙过程表现为发育期、活跃期和稳定期3个阶段。在水沙调控方式上,林地主要通过植被根系削减侵蚀动力、增加入渗、削减径流及减缓流速等途径实现水沙调控,具有蓄水减沙的水土保持功效 ...
朱智勇 +3 more
doaj
Effect of Freezing on Wind Erosion Resistance of Sand Dune Soil [PDF]
[Objective] To investigate the effect of winter soil freezing on soil erodibility and anti-erodibility in the Yellow River section of the Ulan Buh Desert.
DOU Chunhua +4 more
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Dynamic process of the “8•31” debris flow in Luoxi gulley of Ganluo County, Sichuan Province [PDF]
Heixiluo gully, located in Suxiong Town, Ganluo County of Sichuan Province, experienced a catastrophic debris flow disaster at 8:00 a.m. on August 31, 2020, causing significant losses to local residents, as well as to the Chengdu–Kunming railway bridges ...
Jishuai SHI +2 more
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Shuitu Baochi Xuebao, 2017 为了探究崩岗崩积体长时间序列的侵蚀变化，在崩积体典型坡度（30°）及研究区强降雨（3.33 mm/min）条件下，进行了持续20场次降雨的崩积体侵蚀过程模拟试验。结果表明，在本试验条件下降雨溅蚀和径流冲刷对崩积体产沙的平均贡献率分别为47.6%和52.4%，在崩积体侵蚀过程中，其产沙量呈幂函数减小；弗劳德数、径流功率、达西-韦斯巴赫阻力系数与崩积体产沙量具有较好的相关关系，在沙源充足时，其参数可用于定量描述坡面径流产沙效能；崩积体侵蚀过程可分为4个阶段：（1）含沙量为0.099 kg/L，以片蚀为主 ...
廖义善 +7 more
doaj
Susceptibility assessment of debris flow in the upper reaches of the Minjiang River before and after the Wenchuan earthquake [PDF]
Accurately and scientifically mapping debris flow susceptibility and the determination of key controlling factors and their contribution rates are essential foundations for regional debris flow early warning, forecasting and risk management.
Jiayi ZHAO +3 more
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Distribution Characteristics and Coupling Relationship Between Soil Erosion and Hydrologic and Sediment Connectivity in Changchong River Basin [PDF]
[Objective] To clarify the distribution characteristics and coupling relationship between soil erosion and hydrologic and sediment connectivity in Changchong River Basin, and to provide basis for soil erosion control and soil erosion prevention in this ...
LI Jianing +4 more
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