TY - SER TI - Journal of Hydrology. Vol. 26 No. 3,4 (1975) PY - 0000///[date of publication not identified] CY - Amsterdam : Elsevier Scientific Publishing Company. N1 - It contains of Papers, Book Reviews and Notes on August 1975 in Vol. 26 No. 3,4; Environmental isotopic study of the Barremian - Jurassic aquifer in South Dobrogea / A. Tenu, P. Noto, G. Cortecci and S. Nuti. Inclusion of plant moisture status in combination method estimates of pasture evaporation / W. Shepard. The assessment of regional graoundwater schemes by river-flow regression equations / C. E. Wright. Dilution and decay of aquatic herbicides in flowing channels / E. M. O'Loughling and K. H. Bowmer. Variations in the natural chemical concentration of river water during flood flows and the lag effect : some further comments / D. E. Walling and M. W. Hughes. Hydrograph responses to watershed model size and similitude relations / P. E. Black and J. W. Cronn Jr. . Occurrence and distribution of potassium ions in natural waters in India / B. K. Handa. Physicochemical separations of xanthene dyes used as tracers in hydrology / J. Rochat, J. Alary, J. Molinari and R. Charriere. Water flow through mixed clays / R. C. Srivastava, A. K. Jain and S. K. Upadhyay. On the origin of pingos / H. Rychborst. Meander irregularity and wavelength estimation / R. I. Ferguson. Removal of periodicities by differencing and monthly mean subtraction / M. L. Kavvas and J. W. Delleur. Discussions : variations in the natural chemical concentration of river water during flood flows and the lag effect - a discussion / R. A. Halliwell. Variations in the natural chemical concentration of river water during flood flows and the lag effect - a reply / B. J. Glover and P. Johnson. Theories and relationships of river channel patterns - a discussion / P. Ackers and F. G. Charlton. Recent publications. Notes. Contents vol. 26, 1975 ER -