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The Use of GIS to Determine a Strategy for the Removal of Urban Litter Upper Lotus and Lower Salt River Catchments, Cape Town

Chris Wise and Neil Armitage (2004)
Jeffares & Green (Pty) Ltd.; University of Cape Town
https://doi.org/10.14796/JWMM.R220-24
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Abstract

Urban litter pollution is a persistent problem in rivers, canals and drainage pipelines throughout South Africa. Part of an integrated approach to achieve a reduction of litter pollution in the stormwater systems involves the development of optimized strategies for the removal of litter from the pipelines and canals. This can only be achieved by developing a clearer understanding of the volume, source and distribution of litter within South African stormwater systems.

This chapter presents a study in which a litter generation model was developed to estimate the source and quantities of litter in the upper reaches of the Lotus River and lower reaches of the Salt River catchments. Using GIS modeling techniques, the litter generation model integrated land-use data sets with litter wash-off rates for various land-use types to determine the quantity of litter generated from discrete sub-catchments within the study area.

This model was then used as an aid in selecting the most appropriate litter removal devices in optimal locations within the study area to achieve the greatest litter removal at the lowest cost. A practical phased implementation program was thus developed for the City of Cape Town that could potentially remove 65% of the litter from the rivers and canals in the study area.

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PAPER INFO

Identification

CHI ref #: R220-24 932
Volume: 12
Cite as: CHI JWMM 2004;R220-24
https://doi.org/10.14796/JWMM.R220-24

Publication History

Received: N/A
Accepted: N/A
Published: February 15, 2004

Status

# reviewers: 2
Version: Final published

Copyright

© 2004 CHI. Some rights reserved.

The Journal of Water Management Modeling is an open-access (OA) publication. Open access means that articles and papers are available without barriers to all who could benefit from them. Practically speaking, all published works will be available to a worldwide audience, free, immediately on publication. As such, JWMM can be considered a Diamond, Gratis OA journal.

Paper and publication copyrights are summarized here. JWMM content can be downloaded, printed, copied, distributed, and linked-to when providing full attribution to both the author/s and JWMM.


AUTHORS

Chris Wise

Jeffares & Green (Pty) Ltd., Cape Town, Western Cape, South Africa

Neil Armitage

University of Cape Town, Rondebosch, Western Cape, South Africa

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