Max-Planck-Institute for Meteorology: Search

109.

EPOC - Explaining and predicting the ocean conveyor (2023-present) https://epoc.blogs.uni-hamburg.de/ Current project Membership in scientific societies Deutsche Meteorologische Gesellschaft (DMG): https://www.dmg-ev.de/ Deutsche Gesellschaft für Polarforschung (DGP): https://polarforschung.de/ Membership in scientific societies Air-Sea Interactions and Water Mass Transformation During a Katabatic Storm in the Irminger Sea We use a global 5-km resolution model to…

110.

Friedhelm Jansen

My name is Friedhelm Jansen and I have been working as a graduate engineer (FH) in the field of active and passive remote sensing of the atmosphere in the department of climate physics, working group observation of tropical clouds for more than 25 years now Since the establishment of the Cloud Observatory BCO on Barbados I am the engineer responsible for the operation of the station. For the campaigns with the research aircraft HALO I work for the technical installation and…

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Permafrost hydrology plays an important role in global climate simulations, new study shows

Earth system models exhibit large inter-model differences in the simulated climate of the Arctic and subarctic zone, with varying sea ice concentrations, surface temperatures, evapotranspiration rates and precipitation levels. A new study, led by researchers at the Max Planck Institute for Meteorology in collaboration with scientists of the Universities of Hamburg and Madrid and the Norwegian Research Centre, investigated the parametrization of the soil hydrology in permafrost affected regions…

112.

Kenneth Chan

Chan, M. H. K., Wong, W. K., & Au-Yeung, K. C. (2021). Machine learning in calibrating tropical cyclone intensity forecast of ECMWF EPS. Meteorological Applications, 28(6), e2041. https://doi.org/10.1002/met.2041 Peer-reviewed Master's Thesis Chan, K. (2023): Evaluating Potential Impact of Seeding Tropical Cyclones with Aerosols in the Numerical Model ICON Supervisors: Prof. Ulrike Lohmann & Nadja Omanovic Bachelor's Thesis Chan, M.…

113.

Janina Tschirschwitz

Research Interests I am interested in (exo)planetary atmospheres, how they behave, and how different processes shape them. My PhD project focuses on the role of water vapour in the atmosphere: Despite being only a minor constituent of the terrestrial atmosphere, water vapour plays an important role in the Earth's climate; it influences radiative, convective, and dynamic processes. In a (locally or globally) moister atmosphere with a higher water vapour content, the influence of water vapour…

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Refereed Publications

Refereed Publications 2022 Rohrschneider, T., J. Baehr, V. Luschow, D. Putrasahan, and J. Marotzke, 2022: Nonlocal and local wind forcing dependence of the Atlantic meridional overturning circulation and its depth scale. Ocean Science, 18, 979-996. [173] Hedemann, C., T. Mauritsen, J. Jungclaus, and J. Marotzke, 2022: Reconciling conflicting accounts of local radiative feedbacks in climate models. Journal of Climate, 35, 3131-3146. [172] Gutjahr, O., J. H. Jungclaus, N. Bruggemann, H.…

115.

Grand Ensemble

2015 Stevens, B. (2015). Rethinking the Lower Bound on Aerosol Radiative Forcing. Journal of Climate, 28(12), 4794–4819. doi:10.1175/JCLI-D-14-00656.1 2016 Bittner, M., H. Schmidt, C. Timmreck, and F. Sienz (2016). Using a large ensemble of simulations to assess the Northern Hemisphere stratospheric dynamical response to tropical volcanic eruptions and its uncertainty. Geophysical Research Letters, 43, 9324-9332. doi: 10.1002/2016GL070587 Rädel, G., T. Mauritsen,…

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Tropical wetlands drove methane changes since the last glacial

In a new study in Climate of the Past Dr. Thomas Kleinen and Prof. Victor Brovkin, researchers at the Max Planck Institute for Meteorology, together with Dr. Sergey Gromov and Dr. Benedikt Steil from the Max Planck Institute for Chemistry, performed the first-ever simulations of the evolution of climate and methane for the entire period from the last glacial period to the present, with the model considering all relevant sources and sinks of methane. In their pioneering study, Kleinen and…

117.

Laura Köhler

DataWave DataWave is an international project with the goal to improve the understanding and parameterisation of gravity waves in models using data-driven methods. DataWave Research ships 70 % of the earth's surface is covered by oceans. However, the great majority of measurment sites is located over land. Research ships allow to collect high resolution data over the oceans. Research ships Publications Comparing Loon superpressure balloon observations of gravity waves in the tropics with…

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Climate Vegetation Dynamics

Contact: Prof. Dr. Martin Claussen Group leader Phone: +49 (0)40 41173-212 martin.claussen@mpimet.mpg.de Contact: Climate shapes vegetation, and vegetation in turn changes climate, for example, by soils and plants reflecting sunlight differently or by plants cooling an otherwise dry environment through transpiration. The Climate Vegetation Dynamics Group aims at understanding these terrestrial biogeophysical feedback processes in the Earth's climate system. To this end, we address the…

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120.

Julia Windmiller becomes new group leader at the Max Planck Institute for Meteorology

Dr. Julia Windmiller is the new scientific head of the group “Tropical Cloud Observations”. The group collects and uses observational data of tropical clouds and atmospheric convection. Its goal is to deepen the understanding of tropical clouds and to test hypotheses about the role of clouds and convection for the climate. Together with Dr. Lutz Hirsch, who has led the group so far and who will continue to serve as technical lead and coordinator, and the other team members, Dr. Windmiller will…