Cosmic ray neutrons provide an innovative technique for estimating intermediate scale soil moisture. South African Journal of Science 2018. Thigesh Vather, Colin Everson, Michael Mengistu, and Trenton Franz.
Climate information needs in Southern Africa: a re-view. Grantham Research Institute on Climate Change and the Environment 2018. Daleen Lötter, Claire Davis, Emma Archer, Katharine Vincent, Joanna Pardoe, Mark Tadross, Willem Landman, Sabine Stuart-Hill and Graham Jewitt.
A predictive management tool for blackfly outbreaks on the Orange River, South Africa. River Research and Applications 2018. Nick Rivers-Moore, and Trevor Hill.
Long-term trends and variability in the dryland microclimate of the Northern Cape Province, South Africa. Theoretical and Applied Climatology 2018. Shaeden Strydom, Michael Savage, and Alistair Clulow.
The South African Journal of Botany published a paper by Dr. Alistair Clulow and others on sap flow rates in indigenous trees in gold mining sites in central South Africa.
Dr. Rebecka Malinga co-authored a conceptual paper in Ecosphere, on “How spatial scale shape the generation and management of multiple ecosystem services”. Find it here!
Dr. Macdex Mutema, Dr Pauline Chivenge and others wrote a paper on “Changes in carbon and nutrient fluxes from headwaters to ocean in a mountainous temperate to subtropical basin” in Earth Surface Processes and Landforms. It’s here to read!
In the Journal (Agriculture, Ecosystems and Environment) is this published paper by Dr. Macdex Mutema and others, on the response of atmospheric carbon sequestration to different crop types.
Prof. Simon Lorenz and others have written an article about the new branch of science, Hydropedology, which offers exciting research opportunities in South Africa. Their article was published in May/June 2017 by WRC’s magazine Water Wheel.
Published in South African Geographical Journal is this article by Dr. Alistair Clulow, Prof. Colin Everson, Dr. Michael Mengistu and others, titled “Evapotranspiration from mine-affected riparian sites along the Vaal River in central South Africa”.
Prof. Roland Schulze and others contributed to a WRC technical research report titled “Vulnerability, Adaptation to and Coping with Drought: The Case of Commercial and Subsistence Rain Fed Farming in the Eastern Cape” (Ed. A.J. Jordan).
Hydrology and Earth System Sciences published this article by Bruce Scott-Shaw, Prof. Colin Everson and Dr. Alistair Clulow, titled “Water-use dynamics of an alien-invaded riparian forest within the Mediterranean climate zone of the Western Cape, South Africa”.
Bulcock H.H, Gush M.B & Jewitt,G.P.W. 2014. A comparison of productive and nonproductive green water-use efficiency of Podocarpus henkelii and Pinus patula in the KwaZulu-Natal Midlands. Southern Forests: a Journal of Forest Science. http://dx.doi.org/10.2989/20702620.2014.915451
Dallas HF and Rivers-Moore N 2014. Ecological consequences of global climate change for freshwater ecosystems in South Africa. South African Journal of Science. http://www.sajs.co.za/ecological-consequences-global-climate-change-freshwater-ecosystems-south-africa/helen-f-dallas-nicholas-rivers-moore
Eady B, Hill T and Rivers-Moore N. Shifts in aquatic macroinvertebrate community structure in response to perenniality, Southern Cape, South Africa. Journal of Freshwater Ecology. http://www.tandfonline.com/doi/abs/10.1080/02705060.2014.910146#tabModule
Fessehazion, M.K , Annandale, J.G, Everson, C.S , Stirzaker, R.J , van der Laan, M., Truter, W.F & Abraha, A.B. 2014. Performance of simple irrigation scheduling calendars based on average weather data for annual ryegrass. African Journal of Range & Forage Science 2014: 1-8. http://www.tandfonline.com/doi/abs/10.2989/10220119.2014.906504#.U3xZvnYjZmc
Gomo T, Mudhara M, Senzanje A. 2014. Farmers’ satisfaction with the performance of the Mooi River Irrigation Scheme, KZN, South Africa. Water SA 2014, Vol. 40(3):437 – 444. http://dx.doi.org/10.4314/wsa.v40i3.6
Mengistu, M.G., Everson, C.S. and Clulow, A.D. 2014. The impact of taro (Colocasia esculenta) cultivation on the total evaporation of a Cyperus latifolius marsh. HYDROLOGICAL PROCESSES. 28, 620–627. http://onlinelibrary.wiley.com/doi/10.1002/hyp.9599/abstract
Rivers-Moore N, Palmer R and Dallas H. Assessing the relative culpability of Simulium species in recent black fly (Diptera: Simuliidae) outbreaks along the middle Orange River, South Africa. Canadian Journal of Zoology. http://www.nrcresearchpress.com/doi/abs/10.1139/cjz-2014-0008#.U3CvXoGSw_g
Rivers-Moore NA and Karssing RJ. 2014. Water temperature affects life cycle duration of tadpoles of Natal cascade frog. African Journal of Aquatic Science. http://www.tandfonline.com/doi/abs/10.2989/.U5Xep3KSw_g
Siebrits, R.M., Winter, K., Barnes, J., Dent, M.C., Ekama, G., Ginster, M., Harrison, Jackson, B., Jacobs, I., Jordaan, A., Kasan, H.C., Kloppers, W., le Roux, R., Maree, J., Momba, M.N.B., Munnik, A.V., O’Keeffe, J., Schulze, R.E., Silberbauer, M., Still, D. and van Zyl, J.E. 2014. Priority water research questions for South Africa developed through participatory processes. Water SA, 40, 199-209.http://dx.doi.org/10.4314/wsa.v40i2.2
Ziervogel, G.,New, M., Archer van Garderen, E.,Midgley, G.,Taylor, A., Hamann, R., Stuart-Hill, S., Myers, J. and Warburton, M. Climate change impacts and adaptation in South Africa. WIREs Clim Change 2014. doi: 10.1002/wcc.295 http://onlinelibrary.wiley.com/doi/10.1002/wcc.295/abstract
Andersson, J; Zehnder, A; Wehrli, B; Jewitt, G; Abbaspour, K and Yang, H. 2013. Improving Crop Yield and Water Productivity by Ecological Sanitation and Water Harvesting in South Africa. Environmental Science & Technology 47 (9): 4341–4348. [online] http://pubs.acs.org/doi/abs/10.1021/es304585p
Andersson C.E.F., Everson T.M. and Everson C.S. 2013. Management of oil producing Jatropha curcas (Euphorbiaceae) silvopastoral systems: risk of herbivory by indigenous goats and competition with planted pastures. Biomass and Bioenergy 59: 50 – 58. http://www.sciencedirect.com/science/article/pii/S0961953412002139
Bulcock, LM and Jewitt,GPW. 2013. Key physical characteristics used to assess water harvesting suitability. Physics and Chemistry of the Earth, Parts A/B/C 66: 89-100. [online]. http://www.sciencedirect.com/science/article/pii/S1474706513001150
Cilliers, P; Biggs, HC; Blignaut,S; Choles, AG; Hofmeyr, JHS; Jewitt, GPW and Roux, DJ. 2013. Complexity, Modeling, and Natural Resource Management. Ecology and Society 18 (3): 1. [online] http://www.ecologyandsociety.org/vol18/iss3/art1/
Clulow, AD; Everson, CS; Price, JS; Jewitt, GPW and Scott-Shaw, B. 2013. Water-use dynamics of a peat swamp forest and a dune forest in Maputaland, South Africa. Hydrol. Earth Syst. Sci. 17: 2053-2067. [online] http://www.hydrol-earth-syst-sci.net/17/2053/2013/hess-17-2053-2013.html
Estes, L.D., Beukes, H., Bradley, B.A., Debats, S.R., Oppeheimer, M., Ruane, A.C., Schulze, R.E. and Tadross, M. 2013. Projected climate impacts to South African maize and wheat production in 2055: a comparison of empirical and mechanistic modelling approaches. Global Change Biology, 2013. http://onlinelibrary.wiley.com/doi/10.1111/gcb.12325/abstract
Estes, L.D., Bradley, B.A., Beukes, H., Hole, D.G., Lau, M., Oppenheimer, M.G., Schulze, R.E., Tadross, M.A. and Turner, W.R. 2013. Comparing mechanistic and empirical model projections of crop suitability and productivity: Implications for ecological forecasting. Global Ecology and Biogeography, 22 (8), 1007-1018. http://onlinelibrary.wiley.com/doi/10.1111/geb.12034/abstract
Everson, C.S., Mengistu, M.G. and Gush, M.B. (2013) A field assessment of the agronomic performance and water use of Jatropha curcas in South Africa. Biomass and Bioenergy., 59, 59-69. DOI: 10.1016/j.biombioe.2012.03.013. http://www.sciencedirect.com/science/article/pii/S0961953412001432
Gibson, LA; Jarmain, C; Su, Z and Eckardt, FE. 2013. Review: Estimating evapotranspiration using remote sensing and the Surface Energy Balance System – A South African perspective.Water SA 39(4): Click here to access abstract
Kusangaya, S, Warburton, ML, Archer van Garderen, E and Jewitt, GPW. 2013. Impacts of climate change on water resources in southern Africa: A review. Physics and Chemistry of the Earth, In press. http://www.sciencedirect.com/science/article/pii/S147470651300140X
Malinga, R; Gordon, LJ; Lindborg, R and Jewitt, GPW. 2013. Using Participatory Scenario Planning to Identify Ecosystem Services in Changing Landscapes. Ecology and Society 18 (4): 10. [online] http://www.ecologyandsociety.org/vol18/iss4/art10/
Mengistu, MG; Everson, CS and Clulow, AD. (2014). The impact of taro (Colocasia esculenta) cultivation on the total evaporation of a Cyperus latifolius marsh. HYDROLOGICAL PROCESSES. 28, 620–627. http://onlinelibrary.wiley.com/doi/10.1002/hyp.9599/abstract
Ngcobo, S, Jewitt, GPW, Stuart-Hill, SI and Warburton, ML. (2013). “Impacts of global change on southern African water resources systems.” Current Opinion in Environmental Sustainability 5(6): 655-666. http://www.sciencedirect.com/science/article/pii/S1877343513001322
Orchard, CM; Lorentz, SA; Jewitt, GPW and Chaplot, VAM. 2013. Spatial and temporal variations of overland flow during rainfall events and in relation to catchment conditions. Hydrol. Process., 27: 2325–2338. [online] http://onlinelibrary.wiley.com/doi/10.1002/hyp.9217/abstract
Pahl-Wostl, C., Arthington, A., Bogardi, J., Bunn, S.E., Hoff, H., Lebel, L., Nikitina, E., Palmer, M., Poff, L.N.., Richards, K., Schlüter, M., Schulze, R.E., St-Hilaire, A., Tharme, R., Tockner, K. and Tsegai, D. 2013. Environmental flows and water governance: managing sustainable water uses. Current Opinion in Environmental Sustainability, 5, 341-351. http://www.sciencedirect.com/science/article/pii/S187734351300078X
Riddell,ES; Lorentz, SA; Ellery, WN; Kotze, D; Pretorius, JJ and Ngetar, SN. 2013. Water table dynamics of a severely eroded wetland system, prior to rehabilitation, Sand River Catchment, South Africa. IAH Special Publication No. 18 Groundwater & Ecosystems. [online] http://www.taylorandfrancis.com/books/details/9781138000339/
Riddell, E; Pollard, S; Mallory, S and Sawunyama, T. 2013. A methodology for historical assessment of compliance with environmental water allocations: Lessons from the Crocodile (East) River, South Africa. Hydrological Sciences Journal. http://dx.doi.org/10.1080/02626667.2013.853123
Strydom, T; Riddell, E; Govender, N and Lorentz, S. 2013. The effect of long-term fire treatments on unsaturated hydraulic conductivities and soil compaction in semi-arid savannas in Kruger National Park, South Africa. Flamma 5(2): 89-91. [online] https://sites.google.com/site/flammafgr/texto/volumen-5-2014/5-2-2014/5-2-7
van Tol, JJ; Le Roux, PAL; Lorentz, SA and Hensley, M. 2013. Hydropedological Classification of South African Hillslopes.Vadose Zone Journal [online] https://www.soils.org/publications/vzj/articles/0/0/vzj2013.01.0007
Waswa, G; Clulow, AD; Freese, C; Le Roux, PAL and Lorentz,SA. 2013.Transient Pressure Waves in the Vadose Zone and the Rapid Water Table Response. Vadose Zone Journal 12(1). [online] https://www.soils.org/publications/vzj/articles/12/1/vzj2012.0054
Yashwant SR and Everson, CS. 2013. Availability and Use of Willow Species in Representative Cold Desert Areas of Northwestern Himalaya, India. Journal of Mountain Science 10(3): 472-481. [online] http://link.springer.com/article/10.1007%2Fs11629-013-2687-4
Malherbe, J., Engelbrecht, F.A., Landman, W.A., Lumsden, T. AND Theale, C. 2013. Tropical Systems from the Southwest Indian Ocean into Southern Africa: Impacts, Dynamics and Projected Changes. Water Research Commission, Pretoria, RSA, WRC Report 1847/1/12. pp152. Click here to access document
Vogel, C., Colvin, J., Scharfetter, B. 2013. Adaptation to Climate Change –
What May it Mean for the Water Resources Sector? Final Booklet. FINAL BOOKLET K5-1965
Bulcock, H. H. and G. P. W. Jewitt (2012). “Field data collection and analysis of canopy and litter interception in commercial forest plantations in the KwaZulu-Natal Midlands, South Africa.” Hydrol. Earth Syst. Sci. 16(10): 3717-3728.
Bulcock, H. H. and G. P. W. Jewitt (2012). “Modelling canopy and litter interception in commercial forest plantations in South Africa using the Variable Storage Gash model and idealised drying curves.” Hydrol. Earth Syst. Sci. 16(12): 4693-4705. http://www.hydrol-earth-syst-sci.net/16/4693/2012/hess-16-4693-2012.html
Clulow, A. D., C. S. Everson, M. G. Mengistu, C. Jarmain, G. P. W. Jewitt, J. S. Price and P. L. Grundling (2012). “Measurement and modelling of evaporation from a coastal wetland in Maputaland, South Africa.” Hydrology and Earth System Sciences 16(9): 3233-3247.http://www.hydrol-earth-syst-sci.net/16/3233/2012/hess-16-3233-2012.html
Chaplot, V., C. N. McHunu, A. Manson, S. Lorentz and G. Jewitt (2012). “Water erosion-induced CO 2 emissions from tilled and no-tilled soils and sediments.” Agriculture, Ecosystems and Environment 159: 62-69. http://www.sciencedirect.com/science/article/pii/S0167880912002344
Greene, A.M., Hellmuth, M. and Lumsden, T. 2012. Stochastic decadal climate simulations for the Berg and Breede Water Management Areas, Western Cape province, South Africa. Water Resources Research 48, W06504 doi:10.1029/2011WR011152. [online] http://onlinelibrary.wiley.com/doi/10.1029/2011WR011152/abstract
Kotze, DC; Ellery, WN; Macfarlane, DM and G. P. W. Jewitt. 2012. “A rapid assessment method for coupling anthropogenic stressors and wetland ecological condition.” Ecological Indicators 13(1): 284-293. http://www.sciencedirect.com/science/article/pii/S1470160X11001944
Oakes, E. G. M., J. C. Hughes, G. P. W. Jewitt, S. A. Lorentz and V. Chaplot (2012). “Controls on a scale explicit analysis of sheet erosion.” Earth Surface Processes and Landforms 37(8): 847-854. http://onlinelibrary.wiley.com/doi/10.1002/esp.3203/abstract
Orchard, CM; Lorentz, SA; Jewitt, GPW and Chaplot, VAM. 2012. Spatial and temporal variations of overland flow during rainfall events and in relation to catchment conditions.” Hydrological Processes 27 (16): 2325–2338. http://onlinelibrary.wiley.com/doi/10.1002/hyp.9217/abstract
Warburton, M L; R. E. Schulze and G. P. W. Jewitt (2012). “Hydrological impacts of land use change in three diverse South African catchments.” Journal of Hydrology 414–415(0): 118-135. http://www.sciencedirect.com/science/article/pii/S0022169411007529
Lumsden, T.G. AND Schulze, R.E. (Eds), 2012. Development and Applications of Rainfall Forecasts for Agriculturally Related Decision Making in Selected Catchments of South Africa. Water Research Commission, Pretoria, RSA, WRC Report TT 538/12. pp 207.Click here to access document
Sabine Stuart-Hill, Roland Schulze, John Colvin. 2012. Handbook on Adaptive Management Strategies and Options for the Water Sector in South Africa under Climate Change. Water Research Commission, Pretoria, RSA, WRC Report No. 1843/2/12. Click here to access handbook.
Bossio, D., G. Jewitt and P. van der Zaag (2011). “Smallholder system innovation for integrated watershed management in Sub-Saharan Africa.” Agricultural Water Management 98(11): 1683-1686. http://www.sciencedirect.com/science/article/pii/S0378377411001636
Chaplot, V., G. Jewitt and S. Lorentz (2011). “Predicting plot-scale water infiltration using the correlation between soil apparent electrical resistivity and various soil properties.” Physics and Chemistry of the Earth, Parts A/B/C 36(14-15): 1033-1042. http://www.sciencedirect.com/science/article/pii/S1474706511002373
Chaplot, V., J. Brown, P. Dlamini, T. Eustice, J. L. Janeau, G. Jewitt, S. Lorentz, L. Martin, C. Nontokozo-Mchunu, E. Oakes, P. Podwojewski, S. Revil, C. Rumpel and N. Zondi (2011). “Rainfall simulation to identify the storm-scale mechanisms of gully bank retreat.” Agricultural Water Management 98(11): 1704-1710.http://www.sciencedirect.com/science/article/pii/S0378377410001848
Dlamini, P., C. Orchard, G. Jewitt, S. Lorentz, L. Titshall and V. Chaplot (2011). “Controlling factors of sheet erosion under degraded grasslands in the sloping lands of KwaZulu-Natal, South Africa.” Agricultural Water Management 98(11): 1711-1718. http://www.sciencedirect.com/science/article/pii/S0378377410002477
Gheewala, S. H., G. Berndes and G. Jewitt (2011). “The bioenergy and water nexus.” Biofuels, Bioproducts and Biorefining 5(4): 353-360. http://onlinelibrary.wiley.com/doi/10.1002/bbb.295/abstract
Jewitt, G. and R. Kunz (2011). “The impact of biofuel feedstock production on water resources: a developing country perspective.” Biofuels, Bioproducts and Biorefining 5(4): 387-398.http://onlinelibrary.wiley.com/doi/10.1002/bbb.314/abstract
Graham, L.P., Andersson, L., Horan, M., Kunz, R., Lumsden, T., Schulze, R., Warburton, M., Wilk, J. and Yang, W. 2011. Using multiple climate projections for assessing hydrological response to climate change in the Thukela River Basin, South Africa. Physics and Chemistry of the Earth 36, 727-735. [online] http://www.sciencedirect.com/science/article/pii/S1474706511002245
Mchunu, C. N., S. Lorentz, G. Jewitt, A. Manson and V. Chaplot (2011). “No-Till Impact on Soil and Soil Organic Carbon Erosion under Crop Residue Scarcity in Africa.” Soil Sci. Soc. Am. J. 75(4): 1503-1512. https://www.soils.org/publications/sssaj/abstracts/75/4/1503
Mupangwa, W. and G. P. W. Jewitt (2011). “Simulating the impact of no-till systems on field water fluxes and maize productivity under semi-arid conditions.” Physics and Chemistry of the Earth, Parts A/B/C 36(14-15): 1004-1011. http://www.sciencedirect.com/science/article/pii/S1474706511001859
Kongo, M. V., G. W. P. Jewitt and S. A. Lorentz (2011). “Evaporative water use of different land uses in the upper-Thukela river basin assessed from satellite imagery.” Agricultural Water Management 98(11): 1727-1739. http://www.sciencedirect.com/science/article/pii/S0378377410002027
Schulze, R.E., Hewitson, B.C., Barichievy, K.R., Tadross, M.A., Kunz, R.P., Horan, M.J.C. and Lumsden, T.G. 2010. Methodological Approaches to Assessing Eco-Hydrological Responses to Climate Change in South Africa. Water Research Commission, Pretoria, RSA, WRC Report 1562/1/10. pp 197.Click here to access document
Lumsden, T.G. and Schulze, R.E. 2007. Application of Seasonal Climate Forecasts to Predict Regional Scale Crop Yields in South Africa. In Sivakumar, M.V.K. and Hansen, J. (Eds.) Climate Prediction and Agriculture: Advances and Challenges. Springer Berlin Heidelberg, New York, USA. ISBN 978-3-540-44649-1. Chapter 21, 213-224. Clck here for more information