Journal of Hydrology. Vol. 40 No. 1,2 (1979).

It contains of Papers, Book Reviews and Notes on January 1979 in Vol. 40 No. 1,2.

Research papers : Applications of recursive estimation techniques to time variable hydrological systems / P. G. Whitehead. Translatory characteristics of the Muskingum method of flood routing / M. A. Gill. The effect of the small-slope approximation and lower boundary conditions on solutions of the Saint-Venant equations / E. M. Morris. Possible mechanism in the Chalk based on radio-isotope analyses of groundwater in the London Basin / R. A. Downing, F. J. Pearson and D. B. Smith. Alluvial hydrogeology of the lower Missouri River valley / N. G. Grannemann and J. M. Sharp, Jr. . Evaluation of the rate of decrease in the iron content of water pumped from a flooded shaft mine in County Durham, England / R. C. Frost. Regional mean Bowen ratios deduced from diurnal changes of temperature and humidity / J. C. Curran. Unit stream power equations for total load / C. T. Yang. Dispersion of soluble pollutants in non-uniform rivers, I. Theory / B. M. Chapman. Dispersion of soluble pollutants in non-uniform rivers, II. Application to experimental results / B. M. Chapman. Application of ridge regression analysis to water resources studies / S. F. Shih and W. F. P. Shih. Accuracy evaluation in the calculation of mass-discharges / H. Weber, D. Cluis and B. Bobee. An analysis of the groundwater resources of Tongatapu Island, Kingdom of Tonga / B. Hunt. Editor's Note : An analysis of the groundwater resources of Tongatapu Island, Kingdom of Tonga - Comments / W. H. van der Molen.