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Fluvio-hydrological characteristics and diverse bedrock geology control the dynamic growth,truncation,and amalgamation of bedrock streambed and marine potholes: 《River》2025年第1期84-105,共22页Biswajit Bera Sumana Bhattacharjee Uttam Mukhopadhyay Debasis Sengupta Pravat Kumar Shit Nairita Sengupta Supriya Ghosh Arijit Ghosh Soumik Saha Sudipa Sarkar; A total of 393 potholes(368 fluvial and 25 marine potholes)were studied at seven different sites in both the fluvial and marine environments.Diverse bedrock properties and large-scale delivery of tools and grinders re...; 关键词：bedrock structures rock strength Schmidt hammer rebound values toolsand grinders truncation and amalgamation

Microbial Degradation of Organic Contaminants in Streambed/Floodplain Sediments in Passaic River—New Jersey Area: 《American Journal of Analytical Chemistry》2024年第4期139-150,共12页Taheim Evans English Meghann Trombetta Alyssa Beres Yusuf Yildiz; This paper is intended to explore soil organic matter and carbon isotope fractionation at three locations of the Passaic River to determine if microbial degradation of organic contaminants in soil is correlated to the...; 关键词：Organic Contaminant PCBS Microbial Degradation Passaic River

Flood routing model incorporating intensive streambed infiltration被引量：1: 《Science China Earth Sciences》2015年第5期718-726,共9页CHENG Liang WANG ZongZhi HU SiYi WANG YinTang JIN JuLiang ZHOU YuLiang; supported by the National Natural Science Foundation of China(Grant Nos.51279223,51109055,51409169,51309004,51409141);the Public Welfare Industry Funding for Research and Special Projects of Ministry of Water Resources of China(Grant Nos.201001074,201201022);the Open Foundation of State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering(Grant No.2013491011); Flood routing models are critical to flood forecasting and confluence calculations. In the streams that dry up and disconnect from groundwater, the streambed infiltration is intensive and has a significant effect on f...; 关键词：flood simulation flood forecasting flood routing streambed inf＇dtration Muskingum-Cunge method Haihe River Basin

Determination of seepage velocity in streambed using temperature record of Russian River, USA: 《Journal of Hydrodynamics》2013年第3期388-395,共8页吴志伟宋汉周霍吉祥; supported by the National Natural Science Foundation of China (Grant No. 41272265);the Scientific Research and innovate Foundation to support college graduate of Jiangsu Province (Grant No. CX09B_167Z); The vertical seepage velocity is an important parameter in the groundwater-surface water （GW-SW） exchange process. It is reported that the periodical fluctuated temperature record of the streambed can be used to det...; 关键词：temperature record groundwater-surface water （GW-SW） exchange STREAMBED analytical model Russian River

Bed load transport under different streambed conditions-a field experimental study in a mountain stream被引量：3: 《International Journal of Sediment Research》2012年第4期426-438,共13页Guo-an YU Zhao-yin WANG He Qing HUANG Huai-xiang LIU Brendon BLUE Kang ZHANG; supported by the National Natural Science Foundation of China(NSFC,Nos.41001008, 51179089,40788001,51009096);State Key Laboratory of Hydro-science and Engineering (2009-ZY-2); Bed load transport in mountain streams is closely linked to streambed structures. Strambed structures are arrangements of boulders and cobbles deposited during extreme floods, in a stable configuration exhibiting high...; 关键词：Bed load transport Streambed structure Mountain stream Underwater observation andVideo capturing system

Scour prevention in bottomless arch culverts: 《International Journal of Sediment Research》2012年第2期213-225,共13页B.M.CROOKSTON B.P.TULLIS; Funding for this study was provided by the Alaskan Department of Transportation and Public Facilities and the State of Utah(Utah Water Research Laboratory); Bottomless arch culverts are employed as ecological bridges at road crossings with their most common application being fish passage. The simulated culvert streambed should mimic the existing natural channel but be eng...; 关键词：Scour prevention Bottomless arch culvert Fish passage RIPRAP Gravel streambed

Effects of fluvial processes and human activities on stream macro-invertebrates被引量：9: 《International Journal of Sediment Research》2011年第4期416-430,共15页Xue-hua DUAN Zhao-Yin WANG Meng-zhen XU; supposed by the Ministry of Water Resources of China(Grant No.200901078);Tsinghua University(Grant No.2009THZ02234);the Natural Science Foundation of Jiangsu Province of China (Grant No.BK2010168);the Environmental Monitoring Center of Jiangsu Province of China(Grant No.1002); Benthic macro-invertebrates are vital components of river ecosystems. The effects of fluvial processes and human activities on the distribution of macro-invertebrates were studied through field investigations and expe...; 关键词：Macro-invertebrate Streambed stability SUBSTRATUM Isolation Habitat suitability Water pollution

Observation of bioturbation and hyporheic flux in streambeds被引量：2: 《Frontiers of Environmental Science & Engineering》2010年第3期340-348,共9页Jinxi SONG Xunhong CHEN Cheng CHENG; the Program for Changjiang Scholars and Innovative Research Team of China Ministry of Education(No.IRT0811).; In the Elkhorn River,burrows,tubes,and sediment mounds created by invertebrate bioturbation were observed in the exposed streambed and commonly concentrated on the fine-sediment patches,which consist of silt,clay,and ...; 关键词：invertebrate bioturbation CLOGGING hyporheic exchange STREAMBED the Elkhorn River

DEVELOPMENT OF STEP-POOL SEQUENCE AND ITS EFFECTS IN RESISTANCE AND STREAM BED STABILITY被引量：18: 《International Journal of Sediment Research》2004年第3期161-171,共11页Zhao-YinWANG JiangXU ChangzhiLI; Experiments were conducted and field investigations were performed to study the development of step-pool sequence and its effects on resistance to the flow and stream bed stability. Step-pool sequence develops in inci...; 关键词：STEP-POOL Streambed stability Erosion RESISTANCE Rate of energy dissipation Manning's roughness n

NUMERICAL SIMULATION OF STREAMBED HEAT TRANSFER: 《Journal of Hydrodynamics》1999年第3期83-88,共6页Mao Ze yu, Chen Chang zhi Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, P.R.China (Received Nov.11,1998); Conductive heat exchange between streambed and the water contacted is a significant heat balance component in a full thermal budget model, especially in ice covered rivers or shallow streams. A numerical model based ...; 关键词：heat transfer water temperature ice covered river DISPERSION

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