Research Articles (Earth Sciences): Recent submissions
Now showing items 141-160 of 268
-
Leveraging Google Earth engine platform to characterize and map small seasonal wetlands in the semi-arid environments of South Africa
(Elsevier, 2022)Although significant scientific research strides have been made in mapping the spatial extents and ecohydrological dynamics of wetlands in semi-arid environments, the focus on small wetlands remains a challenge. This is ... -
Contemporaneous opening of the Alpine Tethys in the Eastern and Western Alps: Constraints from a Late Jurassic gabbro intrusion age in the Glockner Nappe, Tauern Window, Austria
(Springer, 2021)Metabasic rocks of the ophiolitic sequences of the Glockner Nappe and Eclogite Zone in the south-central Tauern Window, Austria, reveal important insights into rifting and spreading of the Alpine Tethys. U–Pb dating of ... -
GIS-based modelling of climate variability impacts on groundwater quality: Cape Flats aquifer, Cape Town, South Africa
(Elsevier, 2021)The need to improve groundwater security remains critical, especially in urban areas where demand for groundwater as an alternative source of water supply is increasing following unprecedented population growth. Climate ... -
Radio spectral properties of star-forming galaxies in the MIGHTEE-COSMOS field and their impact on the far-infrared-radio correlation
(Oxford University Press, 2021)We study the radio spectral properties of 2094 star-forming galaxies (SFGs) by combining our early science data from theMeerKAT International GHz Tiered Extragalactic Exploration (MIGHTEE) survey with VLA, GMRT ... -
Nanostructured Mn-doped CeO2 thin films with enhanced electrochemical properties for pseudocapacitive applications
(Elsevier, 2021-06)Cerium oxides with variable oxidation states, high interfacial charge transfer rate have demonstrated to be a potential pseudocapacitive material. In this paper, we present the structural and electrochemical properties of ... -
On the road to per cent accuracy - V. The non-linear power spectrum beyond ΛCDM with massive neutrinos and baryonic feedback
(Oxford University Press, 2021-12)In the context of forthcoming galaxy surveys, to ensure unbiased constraints on cosmology and gravity when using non-linear structure information, per cent-level accuracy is required when modelling the power spectrum. This ... -
Leveraging Google Earth Engine platform to characterize and map small seasonal wetlands in the semi-arid environments of South Africa
(Elsevier, 2021-07)Although significant scientific research strides have been made in mapping the spatial extents and ecohydrological dynamics of wetlands in semi-arid environments, the focus on small wetlands remains a challenge. This is ... -
Static reservoir modeling using stochastic method: A case study of the cretaceous sequence of Gamtoos Basin, Ofshore, South Africa
(Springer, 2021)Gamtoos Basin is an echelon sub-basin under the Outeniqua ofshore Basin of South Africa. It is a complex rift-type basin with both onshore and ofshore components and consists of relatively simple half-grabens bounded by ... -
Polyphase deformation of the high-grade metamorphic rocks along the Neusspruit shear zone in the Kakamas domain: Insights into the processes during the Namaquan orogeny at the eastern margin of the Namaqua metamorphic province, South Africa
(MPDI, 2021)The central part of the Namaqua Metamorphic Province was subjected to intense deformation under high-grade metamorphic conditions up to granulite facies, but also shows greenschist facies overprints denoting the metamorphic ... -
A new modified spatial approach for monitoring non-perennial river water availability using remote sensing in the Tankwa Karoo, Western Cape, South Africa
(AJOL, 2021)Non-perennial rivers (N-PRs) make up two thirds of all rivers in South Africa, yet many are ungauged. Traditionally, it has been assumed that when a flow is recorded, there is water throughout that river. These assumptions ... -
Neighbourhood responses to drought in the Western Cape
(Springer, 2021-10)An extreme drought event occurred in the Western Cape when the mean level of water supply dams declined to 28% of capacity in August 2017 (Odendaal 2019). Our survey of 240 households and 71 businesses identified ... -
Implementation of groundwater protection measures, particularly resource directed measures in South Africa: a review paper
(Water Policy, 2021)This review paper on groundwater protection measures in South Africa focuses on the actual implementation of groundwater protection measures, in particular, the resource-directed measures (RDM) as described in Chapter 3 ... -
Permian to cretaceous granites and felsic volcanics from SW Vietnam and S Cambodia: Implications for tectonic development of Indochina
(Asian Earth Sciences, 2021)Zircon ages and geochemistry are presented for igneous rocks from SW Vietnam and S Cambodia. Four main age groupings occur: Cretaceous (107–75 Ma), Early Jurassic (195 Ma), Late Triassic (230–222 Ma), and Permian (294–265 ... -
Hope as a critical resource for small scale farmers in Mpumalanga
(SAGE, 2015)I contrast formal institutional structures that are part of water resources management policy and practice with more fluid ‘outside’ spaces that I claim are more apt for participatory engagement around food production. ... -
Assessing the relationship between youth capabilities and food security: A case study of a rainwater harvesting project in South Africa
(AJOL, 2015)Rainwater harvesting presents a viable option for securing water availability in order to increase food production. The study focuses on rural youth in Luphisi and Dwaleni villages in the Mpumalanga Province and considers ... -
Towards an ethnography of climate change variability: Perceptions and coping mechanisms of women and men from Lambani village, Limpopo province
(SAGE, 2017)Attention to gender and equity has lagged behind in climate change research, programming, national policy-making and in the international negotiations. Studies on climate change and gender links with climate change ... -
Factors influencing sustainability of communally-managed waterfacilities in rural areas of Zimbabwe
(Elsevier, 2017)Sustainability of point water facilities is a major development challenge in many rural settings ofdeveloping countries not sparing those in the Sub-Saharan Africa region. This study was done inZimbabwe to investigate the ... -
Water futures and solutions: Options to enhance water security in sub-Saharan Africa
(Springer, Cham, 2018)Water security is one of the greatest health, ecological, environmental, and human rights challenges of our time. Africa sits at the epicenter of this quandary, with the need to build resilience into already over allocated ... -
Establishing the link between urban land cover change and the proliferation of aquatic hyacinth (Eichhornia crassipes) in Harare Metropolitan, Zimbabwe
(Elsevier, 2018)Urbangrowthisakeyprocessaffectingthefunctioningofnaturalecosystems,andconsequentlythegloballand-surface process. This work aimed at establishing the link between land cover changes around HarareMetropolitancityandtheprol ... -
Discrimination of tomato plants (solanum lycopersicum) grown under anaerobic baffled reactor effluent, nitrified urine concentrates and commercial hydroponic fertilizer regimes using simulated sensor spectral settings
(MPDI, 2019)We assess the discriminative strength of three different satellite spectral settings (HyspIRI, the forthcoming Landsat 9 and Sentinel 2-MSI), in mapping tomato (Solanum lycopersicum Linnaeus) plants grown under hydroponic ...