World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
5965
World Ranking
8090
National Ranking
503

Overview

Klaus Gierens is affiliated with the German Aerospace Center in Germany. Their research predominantly focuses on environmental and earth sciences, with particular attention to atmospheric and planetary changes. The main fields of study include Environmental Science and Earth and Planetary Sciences, complemented by subfields such as Global and Planetary Change, Atmospheric Science, Aerospace Engineering, Applied Mathematics, and Automotive Engineering.

The scientist's work addresses topics related to advanced aircraft design and technologies, atmospheric chemistry and aerosols, and vehicle emissions and performance. Additional key research areas include meteorological phenomena and simulations, gas dynamics and kinetic theory, air traffic management and optimization, and the behavior of atmospheric aerosols and clouds.

Frequent publication venues for Klaus Gierens include Meteorologische Zeitschrift, Atmospheric Chemistry and Physics, Aerospace, Zenodo (CERN European Organization for Nuclear Research), and Applied Sciences. Their collaborations have involved several co-authors, notably Susanne Rohs, Sina Hofer, Lena Wilhelm, D. Sperber, and Kostas Eleftheratos.

Recent notable papers by Klaus Gierens are:

  • How Well Can Persistent Contrails Be Predicted?, 2020, Aerospace
  • Theory of Contrail Formation for Fuel Cells, 2021, Aerospace
  • Weather Variability Induced Uncertainty of Contrail Radiative Forcing, 2021, Aerospace
  • Meteorological Conditions That Promote Persistent Contrails, 2022, Applied Sciences
  • Can we successfully avoid persistent contrails by small altitude adjustments of flights in the real world?, 2023, Meteorologische Zeitschrift

Best Publications

  • Transport impacts on atmosphere and climate: Aviation

    D.S. Lee;G. Pitari;Volker Grewe;Klaus Martin Gierens

  • Ice supersaturation in the ECMWF integrated forecast system

    Adrian M. Tompkins;Klaus Gierens;Gaby Rädel

  • A distribution law for relative humidity in the upper troposphere and lower stratosphere derived from three years of MOZAIC measurements

    K. Gierens;U. Schumann;M. Helten;H. Smit

  • In situ observations of particles in jet aircraft exhausts and contrails for different sulfur-containing fuels

    U. Schumann;J. Ström;R. Busen;R. Baumann

  • Water vapour measurements inside cirrus clouds in Northern and Southern hemispheres during INCA

    Joëlle Ovarlez;Jean-François Gayet;Klaus Gierens;Johan Ström

  • A Diagnostic Study of the Global Distribution of Contrails. Part I: Present Day Climate

    Robert Sausen;Klaus Martin Gierens;Michael Ponater;Ulrich Schumann

  • Global distribution of contrail radiative forcing

    Patrick Minnis;Ulrich Schumann;David R. Doelling;Klaus M. Gierens

  • How Well Can Persistent Contrails Be Predicted

    Klaus Gierens;Sigrun Matthes;Susanne Rohs

  • On the transition between heterogeneous and homogeneous freezing

    K. Gierens

  • The Global Distribution of Ice-Supersaturated Regions as Seen by the Microwave Limb Sounder

    Peter Spichtinger;Klaus Gierens;William Read

  • A note on how to avoid contrail cirrus

    Hermann Mannstein;Peter Spichtinger;Klaus Gierens

  • Modelling of cirrus clouds – Part 1a: Model description and validation

    Peter Spichtinger;Klaus Gierens

  • Ice supersaturation in the tropopause region over Lindenberg, Germany

    Peter Spichtinger;Klaus Gierens;Ulrich Leiterer;Horst Dier

  • Mitigating the Climate Impact from Aviation: Achievements and Results of the DLR WeCare Project

    Volker Grewe;Katrin Dahlmann;Jan Flink;Christine Frömming

  • Ice‐supersaturated regions and subvisible cirrus in the northern midlatitude upper troposphere

    Klaus Gierens;Ulrich Schumann;Manfred Helten;Herman Smit

  • Effective Radius of Ice Particles in Cirrus and Contrails

    Ulrich Schumann;Bernhardt Mayer;Klaus Gierens;Simin Unterstrasser

  • On the distribution of relative humidity in cirrus clouds

    P. Spichtinger;K. Gierens;H. G. J. Smit;J. Ovarlez

  • A global climatology of upper-tropospheric ice supersaturation occurrence inferred from the Atmospheric Infrared Sounder calibrated by MOZAIC

    N. Lamquin;C. J. Stubenrauch;K. Gierens;U. Burkhardt

  • On the size distribution of ice-supersaturated regions in the upper troposphere and lowermost stratosphere

    K. Gierens;P. Spichtinger

  • Numerical simulations of contrail-to-cirrus transition – Part 1: An extensive parametric study

    Simon Unterstrasser;Klaus Gierens

Frequent Co-Authors

Ulrich Schumann
Ulrich Schumann German Aerospace Center
Volker Grewe
Volker Grewe German Aerospace Center
Robert Sausen
Robert Sausen German Aerospace Center
Bernd Kärcher
Bernd Kärcher German Aerospace Center
Herman G. J. Smit
Herman G. J. Smit Forschungszentrum Jülich
Michael Ponater
Michael Ponater German Aerospace Center
Andreas Petzold
Andreas Petzold Forschungszentrum Jülich
Johannes Hendricks
Johannes Hendricks German Aerospace Center
Christos Zerefos
Christos Zerefos Academy of Athens
Patrick Jöckel
Patrick Jöckel German Aerospace Center

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Environmental Sciences in the USA opens doors to various complementary fields that enhance your expertise and career prospects. For those seeking a broader educational foundation, exploring the best affordable online general studies degree programs can be a practical and cost-effective option, allowing flexibility in course selection relevant to environmental topics.

If you're considering a degree that balances ease with value, understanding what's the easiest bachelor's degree to get might help tailor your educational path. Although Environmental Science requires dedication, pairing it with easier complementary studies can optimize your workload and skills.

For a specialized focus, online options in earth sciences are abundant. The online geoscience degree offers a targeted curriculum perfect for careers related to natural resource management, conservation, and environmental consulting.

Additionally, expertise in spatial data is increasingly vital. Top-ranked best GIS programs provide critical skills for mapping and analyzing environmental data, unlocking opportunities in urban planning, environmental monitoring, and more.

Best Scientists Citing Klaus Gierens

Trending Scientists

Recently Published Articles