Zobrazeno 1 - 10
of 16
pro vyhledávání: '"D. J. Leggett"'
Autor:
P. Shaffer, D. J. Leggett
Publikováno v:
Proceedings of the Institution of Civil Engineers - Municipal Engineer. 151:189-196
Water is a precious and limited resource. The demand for water is projected to increase in the future while the supply may be adversely affected by global factors such as climate change. This results in an increasing need to use water more wisely. Th
Publikováno v:
Water and Environment Journal. 14:79-88
Whilst beach-profile surveying is a relatively long-established and widely utilised shoreline monitoring technique, a considerable gap exists between theoretical and practical requirements from, and uses of, beach-profile data. The paper bridges this
Autor:
D J Leggett, P V W Arthey
Publikováno v:
Proceedings of the Institution of Civil Engineers - Civil Engineering. 132:56-64
The eastern end of the Jubilee Line Extension comes out of the ground at Canning Town and runs for 3·5 km at ground level to Stratford via West Ham. The extremely confined route meant that the engineering challenges on the at-grade section were no l
Publikováno v:
Estuarine, Coastal and Shelf Science. 49:411-426
This paper presents quantitative evidence for the effectiveness of a meso- to macro-tidal open coast salt marsh in attenuating incoming waves over a range of tidal and meteorological conditions. Field measurements of wind waves at three locations on
Publikováno v:
Water and Environment Journal. 12:107-112
Relative sea-level fluctuations during the Holocene period have combined with medieval to present saline floodplain embanking to reduce the inter-tidal saltmarsh area in Essex from 40 000 ha to 4400 ha. The present loss by erosion is estimated at 2%/
Autor:
D. J. Leggett
Publikováno v:
Analytical Chemistry. 50:718-722
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 315:47-50
A flow injection method for automating the DPD reaction with free Cl in water samples has been described. The carrier stream consists of a 1∶1 (v/v) mixture of N,N-diethyl-p-phenylene diamine (DPD) indicator and phosphate buffer. A sampling rate of
Autor:
D. J. Leggett
Publikováno v:
Analytical Chemistry. 49:276-281
Publikováno v:
Fresenius' Zeitschrift für analytische Chemie. 311:687-690
Flow-injection determination of chloramine-T, dichloramine-T, dibromamine-T, bromamine-T, chloramine-B, dichloramine-B, dibromamine-B, bromamine-B and dichloramine-N in solution, through a spectrophotometric procedure is described. A simplified flow-
Publikováno v:
Inorganic Chemistry. 21:3618-3622