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Browsing by Author Wessels, KJ

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Issue DateTitleAuthor(s)
2011Assessing degradation across a land-use gradient in the Kruger National Park area using advanced remote sensing modalitiesVan Aardt, JAN; Mathieu, R; Cho, M; Wessels, KJ; Erasmus, B; Asner, GP; Smit, IPJ
15-May-2004Assessing the effects of human-induced land degradation in the former homelands of northern South Africa with a 1 km AVHRR NDVI time-seriesWessels, KJ; Prince, SD; Frost, PE; Van Zyl, D
Jul-2011An autocorrelation analysis approach to detecting land cover change using hyper-temporal time-series dataKleynhans, W; Salmon, BP; Olivier, JC; Wessels, KJ; Van den Bergh, F
Jul-2010Automated land cover change detection: the quest for meaningful high temporal time series extractionSalmon, BP; Olivier, JC; Kleynhans, W; Wessels, KJ; Van den Bergh, F
Jan-2007Can human-induced land degradation be distinguished from the effects of rainfall variability? A case study in South AfricaWessels, KJ; Prince, SD; Malherbe, J; Small, J; Frost, PE; Van Zyl, D
Apr-2011Can linear trend analyses of NDVI time series data truly detect land degradation? Simulations may provide the answerWessels, KJ; Van den Bergh, F; Scholes, RJ; Miteffa, S
Jul-2011Comparison of feature extraction methods within a spatio-temporal land cover change detection frameworkKleynhans, W; Salmon, BP; Olivier, JC; Wessels, KJ; Van den Bergh, F
Jul-2007Desertification in the Sahel: a reinterpretation of a reinterpretationPrince, SD; Wessels, KJ; Tucker, CJ; Nicholson, SE
2011Detecting inter-annual variability in the phenological characteristics of southern Africa’s vegetation using satellite imageryWessels, KJ; Steenkamp, K; Von Maltitz, G; Archibald, S
Jul-2012Detecting land cover change by evaluating the internal covariance matrix of the extended Kalman filterSalmon, BP; Kleynhans, W; Van den Bergh, F; Olivier, JC; Wessels, KJ
May-2011Detecting land cover change using an extended Kalman filter on MODIS NDVI time-series dataKleynhans, W; Olivier, JC; Wessels, KJ; Salmon, BP; Van den Bergh, F; Steenkamp, K
Jul-2012Detecting land cover change using a sliding window temporal autocorrelation approachKleynhans, W; Salmon, BP; Olivier, JC; Van den Bergh, F; Wessels, KJ; Grobler, T
Nov-2007Detection of land cover change using an Artificial Neural Network on a time-series of MODIS satellite dataOlivier, JC; Araya, ST; Wessels, KJ
2006Dryland systemsWessels, KJ
Aug-2012HiTempo: a platform for time-series analysis of remote-sensing satellite data in a high-performance computing environmentVan den Bergh, F; Wessels, KJ; Miteff, S; Van Zyl, TL; Gazendam, AD; Bachoo, AK
Nov-2011Human-modified landscapes: patterns of fine-scale woody vegetation structure in communal savannah rangelandsFisher, T; Witkowski, ETF; Erasmus, BFN; Van Aardt, J; Asner, GP; Wessels, KJ; Mathieu, R
Jan-2011Impact of communal land use and conservation on woody vegetation structure in the Lowveld savannas of South AfricaWessels, KJ; Mathieu, R; Erasmus, BFN; Asner, GP; Smit, IPJ; Van Aardt, JAN; Main, R; Fisher, J; Marais, W; Kennedy-Bowdoin, T; Knapp, DE; Emerson, R; Jacobson, J
Apr-2011Impact of communal land use and conservation on woody vegetation structure in the Lowveld savannas of South Africa – Lidar resultsWessels, KJ; Mathieu, R; Erasmus, BFN; Asner, GP; Smit, IPJ; Van Aardt, JAN; Main, R; Fisher, J
2011Impact of ENSO events on the Kruger National Park’s vegetationWessels, KJ; Dwyer, PC
Jul-2012Impacts of communal fuelwood extraction on lidar-estimated biomass patterns of savanna woodlandsWessels, KJ; Erasmus, BFN; Colgan, M; Asner, GP; Mathieu, R; Twine, W; Van Aardt, JAN; Smit, I
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