Search Results - "Kemp, Jaco"

Effect of pan-sharpening multi-temporal Landsat 8 imagery for crop type differentiation using different classification techniques by Gilbertson, Jason Kane, Kemp, Jaco, van Niekerk, Adriaan

“…•Machine learning can be employed to accurately differentiate between crops (∼95%).•Pan-sharpening Landsat 8 imagery dramatically improves crop classification…”
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A Simple Normalized Difference Approach to Burnt Area Mapping Using Multi-Polarisation C-Band SAR by Engelbrecht, Jeanine, Theron, Andre, Vhengani, Lufuno, Kemp, Jaco

“…In fire-prone ecosystems, periodic fires are vital for ecosystem functioning. Fire managers seek to promote the optimal fire regime by managing fire season and…”
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The Use of C-Band and X-Band SAR with Machine Learning for Detecting Small-Scale Mining by Janse van Rensburg, Gabrielle, Kemp, Jaco

“…Illicit small-scale mining occurs in many tropical regions and is both environmentally and socially hazardous. The aim of this study was to determine whether…”
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Temporal Autocorrelation of Sentinel-1 SAR Imagery for Detecting Settlement Expansion by Kapp, James, Kemp, Jaco

“…Urban areas are rapidly expanding globally. The detection of settlement expansion can, however, be challenging due to the rapid rate of expansion, especially…”
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Extreme 1-day rainfall distributions : analysing change in the Western Cape by de Waal, Jan H., Chapman, Arthur, Kemp, Jaco

“…Severe floods in the Western Cape Province of South Africa have caused significant damage to property and infrastructure over the past decade (2003–2014). The…”
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A review of spatial planning in Ghana's socio-economic development trajectory: A sustainable development perspective by Fuseini, Issahaka, Kemp, Jaco

“…•Spatial planning in Ghana has been used in different contexts.•Pre-independence spatial planning was limited but implemented successfully.•Post-independence…”
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Characterising urban growth in Tamale, Ghana: An analysis of urban governance response in infrastructure and service provision by Fuseini, Issahaka, Kemp, Jaco

“…This study sought to characterise urban growth dynamics of Tamale, Ghana, and to analyse urban governance response to the growth dynamics regarding urban…”
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Spatiotemporal analysis of encroachment on wetlands: a case of Nakivubo wetland in Kampala, Uganda by Isunju, John Bosco, Kemp, Jaco

“…Wetlands provide vital ecosystem services such as water purification, flood control, and climate moderation among others, which enhance environmental quality,…”
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Wind erosion susceptibility modelling along the Eastern Cape Wild Coast, South Africa by Singh, Rebekah, Musekiwa, Chiedza, Botha, Greg, Ncume, Mawande, Kemp, Jaco

“…•Research revealed areas susceptible to wind erosion along the Wild Coast.•Two GIS-based modelling approaches were applied and compared.•The modelling…”
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Detection of Sinkhole Precursors Through SAR Interferometry: Radar and Geological Considerations by Theron, Andre, Engelbrecht, Jeanine, Kemp, Jaco, Kleynhans, Waldo, Turnbull, Terence

“…Sinkholes are an unpredictable geohazard that endanger life and property in dolomitic terrains. Sinkholes are a significant threat in Gauteng, South Africa's…”
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Hazards and vulnerabilities among informal wetland communities in Kampala, Uganda by Isunju, John Bosco, Orach, Christopher Garimoi, Kemp, Jaco

“…Population pressure, urbanization and industrial developments, among other factors, have resulted in severe degradation of environmental resources such as…”
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Community-level adaptation to minimize vulnerability and exploit opportunities in Kampala’s wetlands by Isunju, John Bosco, Orach, Christopher Garimoi, Kemp, Jaco

“…This paper discusses benefits that informal wetland communities in Kampala, Uganda derive from their location in the wetland and how they adapt to minimize…”
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Parameters Affecting Interferometric Coherence-The Case of a Dynamic Agricultural Region by Engelbrecht, Jeanine, Musekiwa, Chiedza, Kemp, Jaco, Inggs, Michael R.

“…In South Africa, the need exists for a long-term monitoring system to detect deformation because of mining. Differential radar interferometry (dInSAR) is…”
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Using remote sensing in support of environmental management: A framework for selecting products, algorithms and methods by de Klerk, Helen M., Gilbertson, Jason, Lück-Vogel, Melanie, Kemp, Jaco, Munch, Zahn

“…Traditionally, to map environmental features using remote sensing, practitioners will use training data to develop models on various satellite data sets using…”
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The indirect impact of encroaching trees on gully extension: A 64year study in a sub-humid grassland of South Africa by Grellier, Séraphine, Kemp, Jaco, Janeau, Jean-Louis, Florsch, Nicolas, Ward, David, Barot, Sébastien, Podwojewski, Pascal, Lorentz, Simon, Valentin, Christian

“…Gully erosion and woody plant encroachment are frequently observed in grasslands worldwide. Gully erosion driven by water processes is usually affected by…”
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The indirect impact of encroaching trees on gully extension : A 64 year study in a sub-humid grassland of South Africa by GRELLIER, S, KEMP, J, JANEAU, J.-L, FLORSCH, N, WARD, D, BAROT, S, PODWOJEWSKI, P, LORENTZ, S, VALENTIN, C

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The indirect impact of encroaching trees on gully extension: A 64ANByear study in a sub-humid grassland of South Africa by Grellier, Seraphine, Kemp, Jaco, Janeau, Jean-Louis, Florsch, Nicolas, Ward, David, Barot, Sebastien, Podwojewski, Pascal, Lorentz, Simon, Valentin, Christian

“…Gully erosion and woody plant encroachment are frequently observed in grasslands worldwide. Gully erosion driven by water processes is usually affected by…”
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Predicting modis EVI from SAR parameters using random forests algorithms by Haupt, Shelley, Engelbrecht, Jeanine, Kemp, Jaco

“…Vegetation indices derived from optical and multispectral data, such as Enhanced Vegetation Index (EVI), have been widely used to monitor the health and…”
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Detection of sinkhole precursors through SAR interferometry: First results from South Africa by Theron, Andre, Engelbrecht, Jeanine, Kemp, Jaco, Kleynhans, Waldo, Turnbull, Terrence

“…Sinkholes are an unpredictable geohazard that endangers life and property in dolomitic terrains. They are a significant threat in Gauteng, South Africa's most…”
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The phenology of an agricultural region as expressed by polarimetric decomposition and vegetation indices by Engelbrecht, Jeanine, Kemp, Jaco, Inggs, Michael

“…The monitoring of vegetation biophysical characteristics in agricultural regions has traditionally been achieved using visible and infrared data. However,…”
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