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Suzuki Lab
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The lab explores how clouds and aerosols affect Earth's climate using satellite observations and numerical models.
AboutAbout the lab
Capturing clouds to understand climate
The Suzuki Lab studies how clouds, rain, and particles in the atmosphere affect Earth's climate.
Clouds both cool the Earth by reflecting sunlight back to space and warm it by trapping heat.
Which effect wins out depends on the height and thickness of the clouds, and this is one reason why predicting climate change is so difficult.
The lab investigates these cloud effects by combining analysis of satellite observation data with numerical models.
Key terms
- Aerosols
- Tiny particles suspended in the atmosphere, including air pollution particles. Some of them serve as seeds for cloud droplets to form.
- Energy budget
- The balance between the energy coming in from the Sun and the energy leaving Earth for space.
- Climate model
- A computer program that calculates the motion of the atmosphere and oceans in order to reproduce and predict Earth's climate.
NewsLab news
Characteristics of tropical convective clouds with strong updrafts revealed using the EarthCARE satellite
Studying how air pollution changes the "whiteness" of Arctic clouds
Developing a foundation for evaluating clouds in global climate models using EarthCARE satellite observations
Quantifying with a climate model the climate impact of aerosols that form ice clouds
Estimating cloud thickness and cloud base height from the GCOM-C satellite
ResearchResearch themes
To understand how Earth's present climate is maintained and how it will change in the future, the lab studies the effects of aerosols, clouds, and precipitation on climate. By combining analysis of satellite observation data with numerical modeling, the lab uses observations to test models and models to interpret observations.
*Illustrative imageEffects of clouds on Earth's energy budget
Low clouds mainly cool the Earth, while high clouds mainly warm it. To learn how clouds change under global warming, and whether they speed up or slow down climate change, the lab works on quantifying the effects of clouds.
*Illustrative imageCapturing clouds as they really are with satellites
Current climate models have coarse resolution and cannot represent clouds well. The lab therefore uses satellite observation data to capture in detail the features of clouds that models cannot directly represent.
*Illustrative imageImproving clouds in climate models with satellite observations
The lab combines cloud information obtained from satellite observations with a global high-resolution model to evaluate and improve how clouds are represented in climate models.
*Illustrative imageHow aerosols alter clouds and climate
Aerosols such as air pollution particles act as seeds for cloud droplets and change the properties of clouds. The lab is developing a numerical model that can represent particle size, and is running experiments that couple it with the global high-resolution model NICAM.
MembersFaculty
The Suzuki Lab consists of faculty members, project researchers, and doctoral and master's students.As of 2025
- ProfessorKentaroh SuzukiPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images.
- Top image: “Ship Tracks over the Pacific (MODIS )” MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Effects of clouds on Earth's energy budget: “World Heat Engine” NASA / Goddard / Public domain (cropped)
- Capturing clouds as they really are with satellites: “Open-cell and closed-cell clouds, Pacific Ocean (MODIS )” Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Improving clouds in climate models with satellite observations: “NPP Ceres Shortwave Radiation ( )” NASA Goddard Space Flight Center from Greenbelt, MD, USA / Public domain (cropped)
- How aerosols alter clouds and climate: “Ship tracks off Spain (MODIS )” Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Related lab (Yokoyama Lab (Climate Variability Research Division)): “Terra MODIS Stationary front cloud over Japan” NASA / Public domain (cropped)
- Related lab (Watanabe Lab): “Blue Marble Western Hemisphere” NASA / Reto Stöckli / Public domain (cropped)
- Related lab (Oka Lab (Division of Climate System Research)): “Deciphering the Maud Rise Polynya in normal color” NASA Earth Observatory images by Lauren Dauphin, using MODIS data from NASA EOSDIS/LANCE and GIBS/Worldview. Story by Kathryn Hansen. / Public domain (cropped)
- Related lab (Yoshimori Lab): “Mosaic of the Arctic” NASA / Public domain (cropped)
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