Correlation Analysis of Hydrometeorological Data

by Ashok N. Shahane, (A.M.ASCE), Environmental Systems Engr.; Central and Southern Florida Flood Control Dist., West Palm Beach, Fla.,
Paul Bock, Prof. of Hydrology and Water Resources; Dept.of Civ. Engrg., Univ. of Connecticut, Storrs, Conn.,
Daniel Thomas, Asst. Prof. of Statistics; Dept. of Statistics, Univ. of Connecticut, Storrs, Conn.,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 10, Pg. 1561-1572

Document Type: Journal Paper


Mean monthly time series of precipitation, runoff, atmospheric water vapor transport, terrestrial storage, and evapotranspiration for watersheds distributed over the entire continental United States were analyzed by harmonic analysis to compute Fourier coefficients (with first four harmonics) and explained variances. In addition, linear cross-correlation coefficients for 10 combinations of the five time series are computed. The observed spatial variation of these parameters should be useful to those faced with the formulation of statistical models for simulation and prediction applications.

Subject Headings: Data analysis | Correlation | Hydrometeorology | Hydrologic data | Time series analysis | Water storage | Parameters (statistics) | Precipitation | United States

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