The estimation of aerial inputs of metals to estuarine waters from point pattern data using an isoplething technique: Severn Estuary,U.K. |
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| Affiliation: | 1. School of Ocean Sciences, Bangor University, Marine Centre Wales, Menai Bridge LL59 5AB, UK;2. Natural Resources Wales, Maes y Ffynnon, Penrhos Rd, Penrhosgarnedd, Bangor LL57 2DW, UK;3. Cranfield University, College Way, Bedford MK43 0AL, UK;4. Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Johannesburg, South Africa;1. Seventh Street Development Group, Lafayette, Indiana;2. University of Wisconsin‐Madison, Madison, Wisconsin;1. University of Zaragoza, Economic Analysis, Gran Vía 2, 50005 Zaragoza, Spain;2. Lancaster University Management School, Lancaster University, LA1 4YX, UK;1. Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Facultad de Farmacia y Bioquímica, Buenos Aires, Argentina;2. Universidad Nacional de Luján, CONICET, Instituto de Ecología y Desarrollo Sustentable (INEDES), Buenos Aires, Argentina |
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| Abstract: | ![]()
The aerial deposition of Cd, Cr, Cu, Ni, Pb and Zn to the tidal surface of the Severn Estuary in southwest Britain was determined using the nonlinear isoplething of point data from 11 bulk-deposition sampling stations operated between January 1989 and March 1990. Previous surveys based on crude spatial bulking of deposition data from coastal sites had generated overestimates of aerial deposition of metals. The distribution of aerial deposition away from the dominant source around Avonmouth was related to weather variables. Down-estuary deposition gradients were steepest in wet westerly on-shore airflows. |
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