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Climate Change Science Lab
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The lab uses numerical models to investigate climate change and air pollution caused by aerosols and clouds.
AboutAbout the lab
Reading climate change and air pollution from aerosols and clouds
The Climate Change Science Lab conducts research related to both climate change and air pollution.
It focuses in particular on climate change caused by suspended particulate matter (aerosols) such as PM2.5 and Asian dust and by clouds, as well as the behavior of trace gas components including greenhouse gases.
The lab has developed SPRINTARS, a numerical model that reproduces and predicts the global distribution of aerosols, and uses it to assess climate change and to produce week-ahead aerosol forecasts.
Research is carried out together with graduate students in the Earth System Science and Technology Major of the Interdisciplinary Graduate School of Engineering Sciences, as well as with groups in Japan and abroad.
Key terms
- Aerosol
- Tiny particles floating in the atmosphere. Natural sources include soil particles and sea salt particles, and anthropogenic sources include fossil fuels and slash-and-burn agriculture
- SPRINTARS
- A numerical model that uses computers to reproduce and predict the global distribution of aerosols
- Aerosol-cloud interaction
- The effect by which aerosols act as cloud condensation nuclei or ice nucleating particles and change the properties of clouds
NewsLab news
The first paper on SCALE-SPRINTARS, a new regional aerosol climate model, has been published
A master's student received the Matsuno Award from the Meteorological Society of Japan
A master's student received the Matsuno Award from the Meteorological Society of Japan
ResearchResearch themes
The lab is advancing the assessment of climate change caused by aerosols such as PM2.5 and Asian dust. It develops SPRINTARS, a numerical model that reproduces and predicts the distribution of aerosols, and works on improving climate models and operating a forecasting system.
*Illustrative imageA Numerical Model That Reproduces Aerosols
The lab develops SPRINTARS, a numerical model that reproduces and predicts the global distribution of aerosols, including natural ones such as soil particles and sea salt particles and anthropogenic ones from fossil fuels and slash-and-burn agriculture.
*Illustrative imageAssessing Climate Change Caused by Aerosols
Aerosols cause climate change by scattering and absorbing solar and terrestrial radiation, and by changing cloud properties through their roles as cloud condensation nuclei and ice nucleating particles (aerosol-cloud interactions). The lab advances this assessment by improving climate models and Earth system models that incorporate SPRINTARS, and through research using them.
*Illustrative imageWeek-Ahead Aerosol Forecasting System
Deterioration of the air environment due to PM2.5 and Asian dust is a social problem. The lab operates SPRINTARS-based week-ahead aerosol forecasts every day and conducts research aimed at improving forecast accuracy.
MembersFaculty
The members of the Climate Change Science Lab consist of faculty, technical staff, and doctoral and master's students.As of 2026
- Senior ProfessorToshihiko Takemura
- Associate ProfessorNaho Eguchi
- Associate ProfessorTakuro Michibata
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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: “Thick Aerosol Haze over India and Bangladesh (MODIS )” MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- A Numerical Model That Reproduces Aerosols: “Malaysian Haze 2005 Aerosol Index” NASA / OMI Science Team / Public domain (cropped)
- Assessing Climate Change Caused by Aerosols: “Elongated smoke plume from the oil refinary crossing clouds at sunset 2” W.carter / CC0 (cropped)
- Week-Ahead Aerosol Forecasting System: “Asian Dust, NASA aerospace photography” Image courtesy the SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE / Public domain (cropped)
- Related lab (気候モデリング分野): “GEOS-FP Precipitation and Clouds (SVS5149)” NASA's Scientific Visualization Studio - NASA/GSFC/Joseph V. Ardizzone / Public domain (cropped)
- Related lab (海洋
変動力学分野): “Argo float deployed from research vessel” NOAA GOMO (Global Ocean Monitoring and Observing Program) / Public domain (cropped) - Related lab (海洋力学分野): “Scooping up marine debris ( )” NOAA Marine Debris Program / Public domain (cropped)
- Related lab (大気環境科学分野): “Upperatmosphereresearchsatellite” NASA/MSFC / Public domain (cropped)
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