D-Index & Metrics Best Publications

D-Index & Metrics

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Environmental Sciences D-index 36 Citations 6,062 83 World Ranking 4198 National Ranking 1829

Overview

What is he best known for?

The fields of study he is best known for:

  • Statistics
  • Agriculture
  • Ecosystem

Konrad J Wessels mostly deals with Remote sensing, Normalized Difference Vegetation Index, Land degradation, National park and Hydrology. His primary area of study in Remote sensing is in the field of Hyperspectral imaging. The concepts of his Normalized Difference Vegetation Index study are interwoven with issues in Seasonality, Desertification, Sustainability and Phenology.

His Land degradation research incorporates themes from Correlation coefficient, Change detection, Residual and Trend analysis. His work deals with themes such as Multispectral image, Tree, Lidar, Spectral bands and Tree species, which intersect with National park. Konrad J Wessels works mostly in the field of Primary production, limiting it down to topics relating to Water use and, in certain cases, Vegetation, as a part of the same area of interest.

His most cited work include:

  • Can human-induced land degradation be distinguished from the effects of rainfall variability? A case study in South Africa (425 citations)
  • Greenness in semi-arid areas across the globe 1981–2007 — an Earth Observing Satellite based analysis of trends and drivers (364 citations)
  • Vulnerability of South African animal taxa to climate change (278 citations)

What are the main themes of his work throughout his whole career to date?

His main research concerns Remote sensing, Vegetation, Land cover, Change detection and Lidar. The various areas that Konrad J Wessels examines in his Remote sensing study include Pixel, Random forest, Land degradation and Normalized Difference Vegetation Index. His study looks at the intersection of Normalized Difference Vegetation Index and topics like Physical geography with Primary production.

His Vegetation study incorporates themes from Rangeland, Canopy, Woody plant, Seasonality and Scale. His Land cover course of study focuses on Spectral bands and Classifier. His study in Lidar is interdisciplinary in nature, drawing from both Arid, Tree and Hyperspectral imaging.

He most often published in these fields:

  • Remote sensing (63.11%)
  • Vegetation (38.52%)
  • Land cover (26.23%)

What were the highlights of his more recent work (between 2016-2020)?

  • Industrial research (14.75%)
  • Alliance (14.75%)
  • Foundation (18.03%)

In recent papers he was focusing on the following fields of study:

Konrad J Wessels spends much of his time researching Industrial research, Alliance, Foundation, Remote sensing and Lidar. His Alliance research is multidisciplinary, incorporating elements of Lidar remote sensing, German and Library science. His biological study spans a wide range of topics, including Land cover, Ground truth and Support vector machine.

His research in Land cover intersects with topics in Cartography, Spatial analysis, Extended Kalman filter, Constant false alarm rate and Autocorrelation. His Lidar research integrates issues from Arid, Woody cover and Shrub. His Arid research is multidisciplinary, relying on both Training set, Vegetation, Vegetation cover, Precipitation and Backscatter.

Between 2016 and 2020, his most popular works were:

  • Humans and elephants as treefall drivers in African savannas (17 citations)
  • Humans and elephants as treefall drivers in African savannas (17 citations)
  • Recent droughts in the Kruger National Park as reflected in the extreme climate index (11 citations)

In his most recent research, the most cited papers focused on:

  • Statistics
  • Agriculture
  • Ecosystem

Population, Fire regime, Woodland, Logging and Land use are his primary areas of study. His Population research includes a combination of various areas of study, such as Nature reserve, Ecosystem engineer, Agroforestry and African elephant.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Can human-induced land degradation be distinguished from the effects of rainfall variability? A case study in South Africa

K.J. Wessels;S.D. Prince;J. Malherbe;J. Small.
Journal of Arid Environments (2007)

594 Citations

Greenness in semi-arid areas across the globe 1981–2007 — an Earth Observing Satellite based analysis of trends and drivers

Rasmus Fensholt;Tobias Langanke;Kjeld Rasmussen;Anette Reenberg.
Remote Sensing of Environment (2012)

480 Citations

Vulnerability of South African animal taxa to climate change

Barend F. N. Erasmus;Albert S. Van Jaarsveld;Steven L. Chown;Mrigesh Kshatriya.
Global Change Biology (2002)

392 Citations

Assessing the effects of human-induced land degradation in the former homelands of northern South Africa with a 1 km AVHRR NDVI time-series

Konrad J Wessels;SD Prince;PE Frost;D Van Zyl.
Remote Sensing of Environment (2004)

385 Citations

Limits to detectability of land degradation by trend analysis of vegetation index data

Konrad J Wessels;Konrad J Wessels;F Van den Bergh;RJ Scholes.
Remote Sensing of Environment (2012)

256 Citations

Mapping tree species composition in South African savannas using an integrated airborne spectral and LiDAR system

Moses Azong Cho;Renaud Mathieu;Gregory P. Asner;Laven Naidoo.
Remote Sensing of Environment (2012)

220 Citations

Desertification in the Sahel: a reinterpretation of a reinterpretation

Stephen D. Prince;Konrad J. Wessels;Compton J. Tucker;Sharon E. Nicholson.
Global Change Biology (2007)

197 Citations

Mapping regional land cover with MODIS data for biological conservation: Examples from the Greater Yellowstone Ecosystem, USA and Pará State, Brazil

K.J Wessels;R.S De Fries;J Dempewolf;L.O Anderson.
Remote Sensing of Environment (2004)

185 Citations

Relationship between herbaceous biomass and 1-km 2 Advanced Very High Resolution Radiometer (AVHRR) NDVI in Kruger National Park, South Africa

Konrad J Wessels;SD Prince;N Zambatis;S Macfadyen.
International Journal of Remote Sensing (2006)

158 Citations

Flooding Patterns of the Okavango Wetland in Botswana between 1972 and 2000

Jenny M. McCarthy;Thomas Gumbricht;Terence McCarthy;Philip Frost.
AMBIO: A Journal of the Human Environment (2003)

154 Citations

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Best Scientists Citing Konrad J Wessels

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