Effects of polluting discharges on the Thames Estuary : the reports of the Thames Survey Committee and the Water Pollution Research Laboratory.
- Great Britain. Thames Survey Committee.
- Date:
- 1964
Licence: Public Domain Mark
Credit: Effects of polluting discharges on the Thames Estuary : the reports of the Thames Survey Committee and the Water Pollution Research Laboratory. Source: Wellcome Collection.
647/662 page 601
![Oxygen (contd.), dissolved (contd.), effect on (contd.) nitrification, 184 oxygen uptake by activated sludge, 215 rates of oxidation, 202, 212, 214-215, 76, 220, 275, 174 sulphide production, 188, 191-193, 67, 122-123, 259-261, 161 in fresh-water discharges, 28, 31-33, 32, 38-39, 41, 43, 42, 46-49, 22, 24-25, 111, 326, 334-336, 137, 145 in industrial discharges, 326, 337-339, 192, 145 in rain falling on estuary, 326, 339, 145 in reach 0-25 miles below London Bridge, 57-59, 69, 140, 142-143, 164, 93, 166 in sewage effluents, 326, 336-337, 145, 507 in storm sewage, 339 off Northern Outfall, 108, 111, 53, 129, 68 off Southend, 100, 339 off Southern Outfall, 108, 111, 53, 60, 80, 159, 86, 161-162 percentage saturation, expression as, 105 position of 60 per cent, 161, 89, 163, 167 supersaturation—see under Photosynthesis surveys, earliest, 105 extent of, 104-106, 108, 126-127, 168 variations in, diurnal, 178, 106 over cross-section, 172, 101, 390 seasonal, 104, 59-63, 128-130, 66-68, 56-57, 70, 144-150, 75, 77-78, 59-61, 80, 82, 86-88, 91, 93, 344, 143 summary, 150 with depth, 172, 100, 178 equivalent, 421 of ammonia, 421, 476 of nitric nitrogen, 421-422 of organic carbon, 474, 255 of organic nitrogen, 421, 474, 255 exchange coefficient for—see Exchange coefficient for oxygen exchange with atmosphere, 326, 333-334, /35, 189, 145, 347 gaseous, from mud deposits, 12], 343 in normal air, 355 nominal—see Nominal oxygen content photosynthetic production of—see Photosynthesis rate of loss from estuary, 339, 138, 145 solution—see Exchange coefficient for oxygen supply to estuary, 332-346, 135-137, 189, 139-141, 145 utilization in estuary, 326-347, 145, 433 at sag-curve minimum, 364 by dead bacterial cells, 222 estimated from B.O.D., 326 rate of entry of oxidizable matter, 327-332, 134 rate of supply of oxygen, 326, 332-346, J4/, 195 estimation of exchange coefficient from, 346, 366 solubility, 105-106, 127, 349-351 Oyster fisheries in River Crouch, 96 Paint works—see Industrial wastes Paper mills—see Industrial wastes Parliament, Houses of, stench in, 94-95 interest in estuary condition, 1, 94 sewage utilization, 98 Parrett Estuary, inapplicability of half-tide adjustment, 9 Particle size of bottom deposits, 278-279, 104-105, 287, 176, 107, 109-110 classification, 279, 103 relation to chemical constituents, 292, 179-181, 302, 311, 118 Penicillium chrysogenum, critical oxygen concentration for respiration, 76 Peptides, decomposition by bacteria, 255 Percolating filters, 77, 81, 215 Permanganate, sodium, for sewage treatment, 101 value, B.O.D. estimation from, 25, 88, 47, 499 determination, 572 of estuary water, 100, 102 of fresh-water discharges, 25, 28, 30, 32-33, 12, 38, 15, 41, 43, 18, 46-48, 25 of storm sewage, 85, 55, 45-46, 88 Phaeocystis in estuary, 175 Phenols, monohydric, in estuary, 529 Phosphate in bottom deposits, 288 fresh-water discharges, 38 sewage, 95 Photosynthesis, oxygen production by, by phytoplankton, 172-177, 569 effect in oxygen-absorption experiments, 209 effect of depth, 178, 105, 365 effects in estuary, xix, 172-178, 103-106, 62, 343-345, 143, 347, 364, 466 modification of exchange coefficient to allow for, 503, 505, 527 rate of, 365 seasonal variations in, xxi, 129, 148, 150, 334, 344-345 supersaturation due to, xix, 60, 63, 73, 145, 75, 91-92, 172, 100, 178, 106, 335, 190, 343-344, 142, 269 pH value, changes in, during denitrification experiments, 90 determination, 572 effect on equilibrium between ferrous and ferric ions, 266, 99 hydrogen sulphide and sulphide ions, 267, 269, 167, 341 nitrification, 202, 221 sulphate reduction, 264, 97 sulphide oxidation, 272, 274-275, 173 of English Channel, 182 of estuary, 182-183, 112, 64, 221, 341 variation with depth, 182 of fresh-water discharges, 25, 28, 30, 33, 38, 41, 43, 46-48, 221 of mud, 260 Phytoplankton—see Algae Pippard Committee, xv, xx Report of, xv, xxi, 520, 527 Pitsea Creek—see Nevendon Sewage Works Sewage Works, 81, 42, 84, 125, 177 Plates, list of, xiii Plating works—see Industrial wastes Platinum electrodes for redox-potential measurements, 260 Polarographic determination of dissolved oxygen, 532, 569 Polluting discharges (see also Industrial wastes, Sewage, and Storm sewage) assessment of, 1, 25-93 points of entry to estuary, 48 crude sewage, 42 electricity-generating stations, 61, 48, 90-91, 86, 337, 232, 157-158, 234, 249 — fresh-water discharges, 6, 29-31, 36, 41-42, 46, 48-49, 27, 47-48, 151, 162, 234, 182 industrial discharges, 61, 48, 48, 86, 151, 159 sewage effluents, 61, 48, 64, 72, 75, 77, 79-82, 42, 84, 151, 176, 182 storm sewage, 61, 48, 82, 42, 45-47, 56, 182 relative importance of, 1-2, 244, 151, 509-510, 279, 535-536, 182 effect of position, 1, 294-297, 540, 561-562, 299-300 to tributaries, 31-32, 38, 41, 43, 48-49 loads (see also Industrial wastes, Sewage, and Storm sewage) assessment, 25-93, 226-246, 533-537 uncertainties in, xviii, 570 calculated effects of changes in, 513-520, 282-286, 526-531, 291-293, 554-555 unit, 538-554, 294-295, 183-190,-297](https://iiif.wellcomecollection.org/image/b32170956_0647.jp2/full/800%2C/0/default.jpg)
