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Articles 1 - 3 of 3
Full-Text Articles in Physical Sciences and Mathematics
Extreme Value Distribution In Hydrology, Bill (Tzeng-Lwen) Chen
Extreme Value Distribution In Hydrology, Bill (Tzeng-Lwen) Chen
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The problems encountered when empirical fit is used as the sole criterion for choosing a distribution to represent annual flood data are discussed. Some theoretical direction is needed for this choice. Extreme value theory is established as a viable tool for analyzing annual flood data. Extreme value distributions have been used in previous analyses of flood data. However, no systematic investigation of the theory has previously been applied. Properties of the extreme value distributions are examined. The most appropriate distribution for flood data has not previously been fit to such data. The fit of the chosen extreme value distribution compares …
A Limnological Study Of 43 Selected Maine Lakes, Derrill J. Cowing, Matthew Scott
A Limnological Study Of 43 Selected Maine Lakes, Derrill J. Cowing, Matthew Scott
Maine Collection
A Limnological Study of 43 Selected Maine Lakes
by Derrill J. Cowing and Matthew Scott
U.S. Geological Survey : Water-Resources Investigations 80-69
Prepared in cooperation with the Maine Department of Environmental Protection
U.S. Geological Survey, 26 Ganneston Drive, August, Maine 04330
Management Of The Hydrologic System In Areas Subject To Coal Mining Activities, Rollin H. Hotchkiss, Eugene K. Israelsen, J. Paul Riley
Management Of The Hydrologic System In Areas Subject To Coal Mining Activities, Rollin H. Hotchkiss, Eugene K. Israelsen, J. Paul Riley
Reports
Publicity given to the detrimental effects of mining activities on the environment has tended to overshadow somewhat the hydrologic opportunities and benfits that could be associated with these activities. For example, many areas disturbed by surface mining have proved to be excellent recharge areas for groundwater aquifers. The degree to which mine sites can be exploited to improve management of the hydrologic system depends on both the local geology and the mining techniques used. The report examines the effects of present mining activities on the associated hydrology system, and identifies specific mining procedures and management techniques which not only minimize …