Vol. 45 No. 1 (2019)

Published: 2019-02-04

Mathematical modelling and analysis of the flocculation process in low retention time hydraulic flocculators

Danieli Soares de Oliveira, Clainer Bravin Donadel

1-11

DOI:

10.4314/wsa.v45i1.01

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Influence of litter source on soil splash rates and organic carbon loss in different soil horizons

Cosmas Parwada, Johan Van Tol

12-19

DOI:

10.4314/wsa.v45i1.02

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Activated biomass of the green microalga Chlamydomonas variabilis as an efficient biosorbent to remove methylene blue dye from aqueous solutions

Reda M. Moghazy

20-28

DOI:

10.4314/wsa.v45i1.03

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Design norms for soil and water conservation structures in the sugar industry of South Africa

Daniel Otim, Jeff Smithers, Aidan Senzanje, Rianto van Antwerpen

29-40

DOI:

10.4314/wsa.v45i1.04

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Performance evaluation and optimization studies of border irrigation system for wheat in the Indian Punjab

Samanpreet Kaur, Amina Raheja, Rajan Aggarwal

41-47

DOI:

10.4314/wsa.v45i1.05

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Optimising intra-seasonal irrigation water allocation: Comparison between mixed integer nonlinear programming and differential evolution

B Grové, M.C. Du Plessis

48-54

DOI:

10.4314/wsa.v45i1.06

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Untreated wastewater as a source of carbapenem-resistant bacteria to the riverine ecosystem

Jasna Hrenovic, Goran Durn, Snjezana Kazazic, Svjetlana Dekic, Martina Seruga Music

55-62

DOI:

10.4314/wsa.v45i1.07

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Assessing the energy and carbon footprints of exploiting and treating brackish groundwater in Cape Town

Aumashvini Gobin, Debbie Sparks, John Okedi, Neil Armitage, Fadiel Ahjum

63-74

DOI:

10.4314/wsa.v45i1.08

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Preparedness or repeated short-term relief aid? Building drought resilience through early warning in southern Africa

L Nhamo, T Mabhaudhi, A.T. Modi

75-85

DOI:

10.4314/wsa.v45i1.09

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Deterioration in the water quality of an urbanised estuary with recommendations for improvement

J.B. Adams, L Pretorius, G.C. Snow

86-96

DOI:

10.4314/wsa.v45i1.10

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Microfibre pollution hotspots in river sediments adjacent to South Africa’s coastline

Stephanie de Villiers

97-102

DOI:

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Foliar nitrogen dynamics of an invasive legume compared to native non-legumes in fynbos riparian zones varying in water availability

Casparus J. Crous, Deanne C. Drake, Anna L. Jacobsen, R. Brandon Pratt, Shayne M. Jacobs, Karen J. Esler

103-109

DOI:

10.4314/wsa.v45i1.12

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Water use of selected grain legumes in response to varying irrigation regimes

Tendai P. Chibarabada, Albert T. Modi, Tafadzwanashe Mabhaudhi

110-120

DOI:

10.4314/wsa.v45i1.13

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Modelling the unsaturated hydraulic conductivity of a sandy loam soil using Gaussian process regression

Naji Mordi N. Al-Dosary, Mohammed A. Al-Sulaiman, Abdulwahed M. Aboukarima

121-130

DOI:

10.4314/wsa.v45i1.14

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Synthesis and characterisation of ultrafiltration membranes functionalised with C18 as a modifier for adsorption capabilities of polyaromatic hydrocarbons

S.A. Mntambo, P.S. Mdluli, M.M. Mahlambi, S.C. Onwubu, N.L. Nxumalo

131-140

DOI:

10.4314/wsa.v45i1.15

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Model test and numerical investigation of the effect of the impervious layer’s slope on seepage characteristics under hydraulic structures

Rasool Ghobadian, Hamed Shekari, Parisa Koochak

141-148

DOI:

10.4314/wsa.v45i1.16

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The use of epilithic diatoms grown on artificial substrata to indicate water quality changes in the lower reaches of the St Lucia Estuary, South Africa

Monique Nunes, Janine B. Adams, Guy C. Bate

149-159

DOI:

10.4314/wsa.v45i1.17

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Water SA
Journal / Water SA / Vol. 45 No. 1 (2019) / Articles

Articles

Mathematical modelling and analysis of the flocculation process in low retention time hydraulic flocculators

DOI:

Influence of litter source on soil splash rates and organic carbon loss in different soil horizons

DOI:

Activated biomass of the green microalga Chlamydomonas variabilis as an efficient biosorbent to remove methylene blue dye from aqueous solutions

DOI:

Design norms for soil and water conservation structures in the sugar industry of South Africa

DOI:

Performance evaluation and optimization studies of border irrigation system for wheat in the Indian Punjab

DOI:

Optimising intra-seasonal irrigation water allocation: Comparison between mixed integer nonlinear programming and differential evolution

DOI:

Untreated wastewater as a source of carbapenem-resistant bacteria to the riverine ecosystem

DOI:

Assessing the energy and carbon footprints of exploiting and treating brackish groundwater in Cape Town

DOI:

Preparedness or repeated short-term relief aid? Building drought resilience through early warning in southern Africa

DOI:

Deterioration in the water quality of an urbanised estuary with recommendations for improvement

DOI:

Microfibre pollution hotspots in river sediments adjacent to South Africa’s coastline

DOI:

Foliar nitrogen dynamics of an invasive legume compared to native non-legumes in fynbos riparian zones varying in water availability

DOI:

Water use of selected grain legumes in response to varying irrigation regimes

DOI:

Modelling the unsaturated hydraulic conductivity of a sandy loam soil using Gaussian process regression

DOI:

Synthesis and characterisation of ultrafiltration membranes functionalised with C18 as a modifier for adsorption capabilities of polyaromatic hydrocarbons

DOI:

Model test and numerical investigation of the effect of the impervious layer’s slope on seepage characteristics under hydraulic structures

DOI:

The use of epilithic diatoms grown on artificial substrata to indicate water quality changes in the lower reaches of the St Lucia Estuary, South Africa

DOI:

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