Dispersion and Self-purification of Pollutants in Surface Water Systems: A Contribution to the International Hydrological Programme, Volume 99P. G. Whitehead, T. Lack |
Common terms and phrases
acids algae aquatic average bacteria biochemical oxygen demand caused characteristics chemical oxygen demand compounds conservative considered cross-section depth Determinands less significant Determinands of particular discharge dispersion coefficient dispersion of pollutants dissolved oxygen downstream drainage ecosystems eddy diffusivity effects effluent environment epilimnion eutrophication factors Figure fish flow horizontal hydrogen sulphide hydrology hypolimnion important increased industrial inorganic INPUTS lakes and reservoirs larvae layer mass-balance equation measurement molecular diffusion motion natural streams nitrate nitrogen non-conservative nutrients occur organic oxidation oxygen balance oxygen concentration pesticides phosphorus photosynthesis phytoplankton plankton plants plume prediction problems production programme respiration river systems sampling sediments self-purification processes sewage significant but worth sources of pollution stratification surface waters suspended solids temperature thermocline tracer transport turbidity turbulent diffusion Unesco Unesco/WHO variables velocity vertical waste water water body water quality models zone zooplankton Δ Δ Δ Δ Π Π Δ әс ㅁㅁ