Open AccessUNIFORMITY AND STATIONARITY OF INFORMATION ON THE RIVER FROW IN NOVOSIBIRSK REGION
Author(s) -
Vladimir Mihaylovich Toporov,
Olesya I. Pishchimko
Publication year - 2021
Publication title -
interèkspo geo-sibirʹ
Language(s) - English
Resource type - Journals
ISSN - 2618-981X
DOI - 10.33764/2618-981x-2021-4-1-217-225
Subject(s) - series (stratigraphy) , hydrology (agriculture) , environmental science , statistics , sample (material) , population , section (typography) , point (geometry) , flow (mathematics) , mathematics , geology , physics , computer science , geotechnical engineering , demography , paleontology , geometry , sociology , thermodynamics , operating system
The series of mean annual and maximum water discharges of the rivers of the Novosibirsk region are considered from the point of view of compliance with the necessary conditions for the use of statistical processing methods in their analysis. Hydraulic calculations necessary for the design of hydraulic engineering and other structures associated with water bodies require for uniformity and stationarity of observations forming the hydrologic series. Uniformity is related to the compliance with the condition that all values should be taken from the same distribution of “general population”. Stationarity means there were no statistically significant changes in the estimates of flow characteristics in the analyzed period (the average values and dispersions do not depend much on the number of sample members). The article presents tables with calculated criteria for the uniformity of the observation series (Dixon and Smirnov-Grubbs) and stationarity (Fischer and Student) for mean and maximum water discharges, for 33 hydrologic measuring section for water run-off observations in rivers of Novosibirsk region.