scholarly journals Numerical modelling dam break analysis for water supply project

Author(s):  
M S Lariyah ◽  
M Vikneswaran ◽  
B Hidayah ◽  
Z C Muda ◽  
S Thiruchelvam ◽  
...  
Author(s):  
Jaan Hui Pu ◽  
Songdong Shao ◽  
Yuefei Huang ◽  
Khalid Hussain

2008 ◽  
Vol 46 (2) ◽  
pp. 176-190 ◽  
Author(s):  
Y. Zech ◽  
S. Soares-Frazão ◽  
B. Spinewine ◽  
N. Le Grelle

2009 ◽  
Vol 9 (4) ◽  
pp. 1047-1058 ◽  
Author(s):  
D. Kühlers ◽  
E. Bethge ◽  
G. Hillebrand ◽  
H. Hollert ◽  
M. Fleig ◽  
...  

Abstract. The essential processes and mechanisms of the transport of contaminants from a river to a well field via a flood water retention area are presented. The transport is conceptualized as a succession of three phases: (1) contaminant entry into the retention area, (2) passage through the soil zone and (3) transport with the groundwater flow. Depending on the conditions of a given location and on the properties of the contaminants of interest, processes within each transport phase may reduce the concentration of the contaminants at the well field. For the Kastenwoert-Rappenwoert study area, the results of the described processes are shown by chemical and ecotoxicological analyses as well as by numerical modelling. Based on the results of the analyses, it is predicted that some contaminants in the study area will be completely detained along the transport path, while others will be transported as far as the well field, although in significantly reduced concentrations.


Author(s):  
O. Mudroch ◽  
J. R. Kramer

Approximately 60,000 tons per day of waste from taconite mining, tailing, are added to the west arm of Lake Superior at Silver Bay. Tailings contain nearly the same amount of quartz and amphibole asbestos, cummingtonite and actinolite in fibrous form. Cummingtonite fibres from 0.01μm in length have been found in the water supply for Minnesota municipalities.The purpose of the research work was to develop a method for asbestos fibre counts and identification in water and apply it for the enumeration of fibres in water samples collected(a) at various stations in Lake Superior at two depth: lm and at the bottom.(b) from various rivers in Lake Superior Drainage Basin.


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