KNICKPOINT

作品数：8被引量：23H指数：2
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Recent tectonic activity in Central Alborz Mountain,Iran:morphometric analysis and knickpoint identification被引量：1
《Journal of Mountain Science》2020年第12期3137-3161,共25页Parisa SHOKRI Maryam DEHBOZORGI Saeid HAKIMI ASIABAR 
Alborz,as part of the Alpine-Himalayan orogeny belt,has been the result of the convergence of the Central Iranian and Eurasian plate since the late Triassic.The study area located in Central Alborz encompasses differe...
关键词：Morphotectonic Bedrock rivers KNICKPOINT Quaternary Fault UPLIFT Central Alborz 
Performance of riffle structures on the stabilization of two successive knickpoints over a sandy bed
《International Journal of Sediment Research》2020年第4期377-385,共9页Afshin Fouladi Semnan Mohammad Reza Jaefarzadeh 
The support of the research council of Ferdowsi University of Mashhad(FUM),Iran,[grant number 30077]during the preparation of this work is kindly acknowledged.
Two successive knickpoints with a 10% slope were constructed 1 m apart on a sandy bed in a rectangular flume with a longitudinal slope of 0.003.Bed erosion and knickpoint migration were studied experimentally for diff...
关键词：Control STRUCTURES Cross-vane RIFFLE KNICKPOINT migration Newbury rock RIFFLE RIVERBED STABILIZATION 
Regional- to local-scale controls on waterfalls in Rocky Mountain National Park,Colorado
《Journal of Mountain Science》2020年第8期1874-1890,共17页Jose A.ORTEGA-BECERRIL Bridget LIVERS Ellen WOHL 
supported by the Jose Castillejo Grant(CAS14/00073,Ministry of Education,Spain)。
Previous work on the eastern side of Rocky Mountain National Park(RMNP),Colorado indicated correlations among waterfall location,waterfall morphology,and the characteristics of bedrock joints.Characteristics of waterf...
关键词：WATERFALL Rocky Mountain National Park KNICKPOINT BEDROCK Mountain stream regional-scale controls 
Application of River Longitudinal Profile Morphometrics to Reveal the Uplift of Lushan Mountain被引量：1
《Acta Geologica Sinica(English Edition)》2017年第5期1644-1652,共9页HAN Zhiyong LI Xusheng WANG Nairui CHEN Gang WANG Xianyan LU Huayu 
provided by the National Science Foundation of China grants(Grant No.J1210071,41671191 and 41571188)
The stream power model was applied to Lushan Mt. in South China in order to verify its capability of interpreting the uplift of a small block mountain. On a log-log plot, the longitudinal profiles of 9 rivers derived ...
关键词：KNICKPOINT river longitudinal profile normalized steepness index uplift rate 
Stability Analysis of Cliff Face around Kegon Falls in Nikko, Eastern Japan: An Implication to Its Erosional Mechanisms被引量：1
《International Journal of Geosciences》2013年第6期8-16,共9页Yuichi S. Hayakawa 
A waterfall highlights the locus of active fluvial erosion of bedrock, and its mechanism has been the subject of several studies;however, erosional processes remain to be clarified for specific rock structures composi...
关键词：BEDROCK Erosion KNICKPOINT WATERFALL RECESSION Terrestrial Laser Scanning 
Initiation and recession of the fluvial knickpoints:A case study from the Yalu River-Wangtian'e volcanic region,northeastern China被引量：13
《Science China Earth Sciences》2011年第11期1746-1753,共8页ZHANG HuiPing ZHANG PeiZhen FAN QiCheng 
supported jointly by National Science Foundation of China (Grant Nos. 40702028, 41030317);State Key Laboratory of Earthquake Dynamics (Grant Nos. LED2009A06,LED2008A02);Zhang Huiping was also supported as a visiting professor to CU by China Scholarship Council (Grant No. 2007106279)
Initiation and recession of the knickpoints are significant boundary condition for processes of fluvial system. The distribution and recession rates of knickpoints contain information that provides a fundamental under...
关键词：Yalu River-Wangtian＇e volcanic region KNICKPOINT knickpoint celerity model landscape evolution 
RETROGRESSIVE EROSION AND LONGITUDINAL PROFILE EVOLUTION IN NONCOHESIVE MATERIAL被引量：7
《International Journal of Sediment Research》2006年第2期113-122,共10页Lien-Kuang CHEN Su-Chin CHEN 
Retrogressive erosion plays a significant role in soil erosion and in channel morphology evolution. Retrogressive erosion occurs and migrates when the flow conditions and/or channel bed slope change. This study invest...
关键词：Headcuts Retrogressive erosion KNICKPOINT Stepped and rotating 
A MATHEMATICAL MODEL OF RESERVOIR SEDIMENTATION
《International Journal of Sediment Research》2001年第2期244-250,共7页HUANG Jincbi1 1 China Institute of Water Resources and Hydroelectric Power Research, Fuxinglu A-1, Beijing 100038, China. E-Mail: HJC@IWHR.COM 
the National Natural Science Foundation and the Ministry of Water Resources of China under the grant No.59890200
Reliable quantitative estimation of bed aggradation or degradation is important for river-training and water management projects. With the development of water resources, sediment problems associated ...
关键词：Numerical model Density current Knickpoint movement RESERVOIR Sediment flushing 
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