SAMPLING VARIANCE OF A T-YEAR FLOOD ESTIMATED BY CURVE-FITTING

Authors
WANG SX SINGH VP
Citation
Sx. Wang et Vp. Singh, SAMPLING VARIANCE OF A T-YEAR FLOOD ESTIMATED BY CURVE-FITTING, Stochastic hydrology and hydraulics, 8(3), 1994, pp. 233-258
Citations number
28
Categorie Soggetti
Mathematical Method, Physical Science","Water Resources","Environmental Sciences","Statistic & Probability
Journal title
Stochastic hydrology and hydraulics → ACNP
ISSN journal
09311955
Volume
8
Issue
3
Year of publication
1994
Pages
233 - 258
Database
ISI
SICI code
0931-1955(1994)8:3<233:SVOATF>2.0.ZU;2-G
Abstract
The sampling variance of a T-year flood when estimated using a curve-f itting method results from the errors in hydrologic observations. Plot ting positions, and model-fitting. This paper develops a method to qua ntify the contribution of plotting positions to the sampling variance of the T-year flood magnitude. Application of the method to 150 flood- flow data sets of 41 rivers in the People's Republic of China show tha t the errors due to plotting positions contribute more to the sampling variance than others.