Karl Hemker

6 papers and 778 indexed citations i.

About

Karl Hemker is a scholar working on Artificial Intelligence, Renewable Energy, Sustainability and the Environment and Global and Planetary Change. According to data from OpenAlex, Karl Hemker has authored 6 papers receiving a total of 778 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Artificial Intelligence, 5 papers in Renewable Energy, Sustainability and the Environment and 2 papers in Global and Planetary Change. Recurrent topics in Karl Hemker’s work include Solar Thermal and Photovoltaic Systems (5 papers), Solar Radiation and Photovoltaics (5 papers) and Photovoltaic System Optimization Techniques (4 papers). Karl Hemker is often cited by papers focused on Solar Thermal and Photovoltaic Systems (5 papers), Solar Radiation and Photovoltaics (5 papers) and Photovoltaic System Optimization Techniques (4 papers). Karl Hemker collaborates with scholars based in United States, Germany and Canada. Karl Hemker's co-authors include Richard Perez, Sergey Kivalov, Thomas Hoff, James Schlemmer, D. Renné, David Pozo, Lourdes Ramírez, José A. Ruiz‐Arias, Elke Lorenz and Stefan Müller and has published in prestigious journals such as Solar Energy, Journal of Atmospheric and Oceanic Technology and 2017 IEEE 44th Photovoltaic Specialist Conference (PVSC).

In The Last Decade

Co-authorship network of co-authors of Karl Hemker i

Fields of papers citing papers by Karl Hemker

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl Hemker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karl Hemker. The network helps show where Karl Hemker may publish in the future.

Countries citing papers authored by Karl Hemker

Since Specialization
Citations

This map shows the geographic impact of Karl Hemker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karl Hemker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karl Hemker more than expected).

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar’s output or impact.

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2025