By I.J. Dwyer, D.W. Reed
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Additional info for Allowance for Discretization in Hydrological and Environmental Risk Estimation
9 . 730 . 096 . . 177 . 020) 41 . . . . 021 Site-name: Leeming Location: North Yorkshire, east of Pennines Particulars: Alt. -: Melbourne Location: South east tip of Australia Particulars: 24 missing values in record B; Alt. 040) . 305 . 198 . 039 Bite-n-am: Ringway Location: Manchester airport, North-West England Particulars: Alt. 432 42 Site-name: Sydney Location: South-east coast of Australia Particulars: 133 missing values among hourly records; Alt. 028) . 323 . 005) . 227 Other daily rainfall records Record & dates mean cv skew d_( ) a(s) Alwen Reservoir, Dee, Wales: Alt.
ASCE, 90, 77-82. World Meteorological Organization. 1970. World survey of climatology. Elsevier Publishing Company, Amsterdam. 36 Appendix A: Conmments on Weiss (1964) A. 1 Weiss's formulation Weiss's theoretical treatment of the discretization effect resembles the following formulation. These theoretical arguments are clearly flawed; a proper statistical formulation is required. 2 A proper formulation XY which straddles the two fixed intervals AB and BC depicted in Figure A. Without loss of generality, let the interval width be of unit length (I XY I =I ABI =FBCI =1).
The results for (a) Eskdalemuir and Brisbane were at opposite extremes with the other sites grouped inbetween. Eskdalemuir, Brisbane and Melbourne are thus chosen as representatve of the range of results and climate regimes studied. Daily data for each of the three sites are subjected to the same analysis as the hourly data, rendering correction factors, p*, for each record. Details for the daily data are contained in Appendix C. 1. 1. 2 ilustrates that the range of correction factors for the daily data is similar to that for the hourly data.
Allowance for Discretization in Hydrological and Environmental Risk Estimation by I.J. Dwyer, D.W. Reed