Science Explorer Interactive view Map

Johan U. Grobbelaar

Johan U. Grobbelaar publishes mostly in Renewable Energy, Sustainability and the Environment, Environmental Chemistry and Oceanography, on topics such as Algal biology and biofuel production, Aquatic Ecosystems and Phytoplankton Dynamics and Marine and coastal ecosystems.

World rank
#113,667
of 1,633,909 ranked researchers
Rank in South Africa
#245
of 5,570
Works
31
Citations
199
Citations per work
6.4

What does Johan U. Grobbelaar research?

Renewable Energy, Sustainability and the Environment: 34.8%Environmental Chemistry: 17.4%Oceanography: 13.0%Ecology: 4.3%other fields: 30.5%35%top field
Renewable Energy, Sustainability and the Environment34.8%Environmental Chemistry17.4%Oceanography13.0%Ecology4.3%other fields30.5%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Renewable Energy, Sustainability and the Environment35% of their works
  2. 2Environmental Chemistry17% of their works
  3. 3Oceanography13% of their works
  4. 4Ecology4% of their works
  5. 5Environmental Engineering4% of their works
  6. 6Statistical and Nonlinear Physics4% of their works

Research topics

Which keywords describe Johan U. Grobbelaar's research?

The keywords of their largest research topics: Biodiesel, Climate Change, Eutrophication, Microalgae, Harmful Algal Blooms, Cyanobacteria, Water Quality and Freshwater Ecosystems.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 21 words, with their numbers
  1. Biodiesel81 topic
  2. Climate Change83 topics
  3. Eutrophication83 topics
  4. Microalgae81 topic
  5. Harmful Algal Blooms72 topics
  6. Cyanobacteria52 topics
  7. Water Quality52 topics
  8. Freshwater Ecosystems41 topic
  9. Nutrient Control41 topic
  10. Dissolved Organic Matter31 topic
  11. Oceanic Carbon Cycle31 topic
  12. Biological Control11 topic
  13. Biological Soil Crusts11 topic
  14. Emergy Analysis11 topic
  15. Invasive Species11 topic
  16. Isothermal Titration Calorimetry11 topic
  17. Lake Tanganyika11 topic
  18. Lake Victoria11 topic
  19. Thermodynamics11 topic
  20. UV Protection11 topic
  21. Urban Metabolism11 topic

Where does Johan U. Grobbelaar work?

Johan U. Grobbelaar's main affiliation in the publication record is University of the Free State, South Africa.

How many publications and citations does Johan U. Grobbelaar have?

Science Explorer counts 31 works and 199 citations for Johan U. Grobbelaar, ranking #113,667 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.