Journal of Hydrology. Vol. 51 No. 1,2,3,4 (1981). 

 - Amsterdam : Elsevier Scientific Publishing Company.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Book Reviews and Notes on May 1981 in Vol. 51 No. 1,2,3,4. 
<br/><br/>I. Water for food production : Input and output constraints affecting irrigation development / G. Schramm. Design and merit of a river - aquifer model for optimal use of agricultural water / H. J. Morel-Seytoux, C. J. Daly, T. Illagasekare and A. Bazaraa. Restructuration of the water tariff system for irrigation districts in Mexico / A. Olaiz P. A perspective study of droughts in Mexico / J. Sancho y Cervera and D. Perez-Gavilan Arias. II. Water for Power Production : Daily optimization of power generation in cascade hydrosystems (a stochastic approach) / A. Diacon, I. Seteanu and R. Popa. Hydroelectrical model for optimal operation of a single multipurpose reservoir / A. Gultron. III. Water for Rural Development : Rural water supply and related services in developing countries - comparative analysis of several approaches / Y. Bajard, M. Draper and P. Veins. Food and energy production : conjunctive water planning / W. L. Lorah and K. R. Wright. A mathematical model of the hydrologic regime of the Upper Nile Basin / J. A. H. Brown, F. M. J. Ribeny, E. J. Wolanski and G. P. Codner. Statistical determination of design low flows / A. Prakash. Chemical constraints of groundwater management in the Yucatan peninsula, Mexico / W. Back and J. M. Leser.  IV. Water Resources Planning and Regional Development : Applications of simulation to specific water porjects / R. Harboe and G. A. Schultz. Multi-decision analysis for large-scale river-basin reservoir systems / M. Bonazountas and J.-M. Camboulives. Estimation of flood peaks with limited hydrologic data / E. J. Schiller and J. O. Ngana. River-basin simulation in systems with large response times / V. P. Noguiera, J. L. Wilson and K. Strzepek. Modified standard operation rules for reservoirs / F. G. Rohde and K. Naparaxawong. Preliminary model of an urban floodpain under changing land use / D. P. Smith and P. B. Bedient. Efficient water use in California : conjunctive management of ground and surface reservoirs / J. D. Jaquette. Issues in simulation model design - a case study / E. A. McBean. The search for reservoir sites in an urban environment / C. S. Sinnott and M. H. Davies. Environmental aspects of water-resources planning in England and Wales / L. E. Taylor. Management of ice-covered rivers : problems and perspectives / K. S. Davar and N. A. Elhadi.  V. Education and Research in Water Resources : Refinement of lake evaporation measurements, using an ion-balance technique / D. K. Fuhriman and L. B. Merritt. Multi-attribute decision analysis for the protection of groundwater resources / C. S. Shih and J. W. Ingram. Urgent problems in the transfer of water resources knowledge / N. S. Grigg. A nonlinear hydrologic cascade / V. P. Singh and S. Buapeng. Analysis of three-dimensional flows into draintile / S. N. Prasad, C. V. Alonso and D. G. DeCoursey. A finite-difference method to evaluate water hammer phenomena / J. L. Sanchez Bribiesca. VI. Water Problems in Modern Society and New Technology : Fresh water transport by sea / R. M. Dunlap. Design, construction and operation of a new filter approach for treatment of surface waters in Southeast Asia / R. J. Frankel. Studies for abatement of pollution from combined sewer overflows in Canada / P. E. Wisner, W. G. Clarke and A. F. Roake. New developments in automated biosensing from remote water quality stations and satellite data retrieval for resources management / E. L. Morgan, K. W. Eagleson, R. Hermann and N. D. McColough. Sources of sediment-induced reductions in water quality appraised from catchment attributes and land use / H. W. Anderson. Aquatic toxicity of forty industrial chemicals : testing in support of hazardous substance spill prevention regulation / M. W. Curtis and C. H. Ward. Integrated water management : some international dimensions / A. K. Biswas. The recommendations of the United Nations Water Conference (Mar del Plata, 1977) and related meetings, on international water laws / G. J. Cano.