145.

In years to come, the Arctic Ocean will absorb less CO2 than expected

 
We humans benefit from the oceans’ tremendous capacity to absorb greenhouse gases. Due to the low temperature of the water, the Arctic Ocean absorbs an especially large amount of CO2 in relation to its size. Due in part to climate change, this effect will be less pronounced in the future. A new study released by Universität Hamburg’s Cluster of Excellence CLICCS shows how much CO2 is released into the atmosphere in the Arctic Ocean by the erosion of coastal permafrost.  
146.

ORCESTRA: Exploring Tropical Clouds and their Impact on Climate

 
[Translate to English:] The ORCESTRA started his performance on August 10th in Cap Verde. The PERCUSION gives the beat by flying back and forth across the belt of deep rain over the tropical Atlantic Ocean, while the MAESTRO directs his plane around fields of broken cumuli around Cap Verde to understand how convective storms form and organize. The maestro’s BOWTIE is travelling by ship from Cap Verde to Barbados scrutinizing those convective storms from below and their interactions with the ocean. From the orchestra’s…  
147.

Summer research and discoveries: International Visiting Scientists at the Max Planck Institute for Meteorology in Hamburg

 
3 people in front of a yellow background look towards the camera It’s not just the people of Hamburg and the many tourists who know that Hamburg is particularly beautiful in the summer. The Max Planck Institute for Meteorology (MPI-M) traditionally welcomes many renowned international guest researchers to Hamburg and the Institute during the summer months. Here we introduce you to three of our guests — Dr. Martin Singh (Australia), Prof. Dr. Allison Wing and Prof. Dr. Brian Mapes (both USA) — more specifically: what research projects are they working on…  
148.

ORCESTRA

 
BOW-TIE is one of eight independent measurement campaigns carried out under the umbrella of ORCESTRA. Infrastructure: Research Vessel METEOR Region: Tropical Atlantic Campaign period: August and September 2024, continuous measurements during weather events Scientific director: Dr. Daniel Klocke, Max Planck Institute for Meteorology Coordination: Yuting Wu, Max Planck Institute for Meteorology Steckbrief PERCUSION is one of eight independent measurement campaigns carried out under…  
149.

Why stratospheric aerosol disproportionately cools the Indian and western Pacific Ocean

 
Volcanic eruption with towering ash cloud, forest and road in the foreground In a new study Moritz Günther, Hauke Schmidt, Claudia Timmreck, and Matthew Toohey show how aerosol perturbations in the stratosphere lead to a cascade of unanticipated effects with global implications. The heating from the aerosol changes the stratospheric circulation which perturbs the distribution of radiant energy flows, eventually influencing the surface temperature in ways that affect the climate system globally.  
150.

Why is climate stochastic?

 
A time series of a climate variable often resembles a random sequence. This apparent randomness is generally attributed to the unpredictable and chaotic nature of dynamical systems. So far, there exists no theory about how a climate model, as such a purely deterministic dynamical system, can produce random solutions. In a recent publication, Jin-Song von Storch shows that randomness, and with that irreversibility, in solutions of a purely deterministic dynamical system emerge from a hitherto…  
151.

Climate change amplified by permafrost cloud feedback

 
eroding permafrost cliffs Researchers at the Max Planck Institute for Meteorology shed light on what may happen if the frozen soils thaw in response to global heating. Landscapes in the Arctic and subarctic zone are often very wet with water saturated soils and an extensive lake- and wetland cover shaping the moisture and energy exchange with the atmosphere. To some extent, the abundance of water is caused by the presence of permafrost, that is those parts of the ground that remain perennially frozen. Such soil layers…  
152.

Indian Master's students visiting as part of the IISER MPG Master's internship program

 
Double portrait of 2 interns The Max Planck Institute for Meteorology is continuing its partnership with the Indian Institutes for Science Education and Research (IISERs) as part of the Max Planck Society's cooperation program launched in 2023 to enable research stays at Max Planck Institutes for talented Master's students from India. The aim of the program is to promote early interaction between Max Planck Institutes and outstanding Indian students. Both parties can get to know each other better through a research stay…  
153.

Humboldt Research Awardee Stephen Sitch at Max Planck Institute for Meteorology

 
Portrait Sitch Professor Stephen Sitch, a world-leading scientist from the University of Exeter, UK, scientist with outstanding achievements in terrestrial carbon cycle science has received the prestigious Research Award of the Alexander von Humboldt Foundation. During the years 2024 – 2025 he will stay for several months at Climate Dynamics department of the Max Planck Institute for Meteorology (MPI-M), hosted by the research group led by Prof. Victor Brovkin.  
154.

Changes to the Warming Pattern in the Tropical Pacific

 
Figure 1: Observed of sea surface temperatures trends from 1979-2022 in degrees Celsius per decade. The Earth is rapidly warming in response to human-induced greenhouse gas emissions. The warming is however not uniform, with some areas of the Earth warming much faster than others. The tropical Pacific Ocean is an area that is rather unique: While the western tropical Pacific has been warming rapidly as predicted, the eastern tropical Pacific experienced a slight cooling in recent decades, together with a strengthening of the trade winds – similar to a phenomenon called “La Niña”. However, the…  
155.

Chao Li appointed Distinguished Guest Professor at the Chinese Academy of Sciences

 
[Translate to English:] Dr. Chao Li has been awarded a Distinguished Guest Professorship at the prestigious Institute of Atmospheric Physics (IAP), the Chinese Academy of Sciences (CAS), a leading scientific institution in China. This prestigious award is granted for a period of three years and recognizes Dr. Li's outstanding contributions to researching future climate change and climate internal variability in response to anthropogenic CO2 forcing, as well as examining plausible future climate scenarios. The…  
156.

Scientific exchange: We welcome a delegation of Fudan University, Shanghai

 
A delegation of high-level representatives, led by Prof. Dr. Renhe Zhang, the former Vice-President of Fudan University, visits the Max Planck Institute for Meteorology (MPI-M) and the German Climate Computing Centre (DKRZ) on 21-22 May 2024.  
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