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Orbital and Suborbital Observations Lab (Joji Ishizaka)
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A lab that studies marine phytoplankton through observation from space.

AboutAbout the lab
Observing ocean phytoplankton from space
The Center for Orbital and Suborbital Observations is one of the centers at the Institute for Space–Earth Environmental Research that link specialized fields.
Project Professor Joji Ishizaka uses remote sensing from space to study the dynamics of phytoplankton in the ocean.
Phytoplankton are important for fish production and for material cycles such as that of carbon, and they can also cause problems such as red tides.
The center investigates how human activity and climate change affect the waters around Japan.
Key terms
- Phytoplankton
- Microscopic organisms living in the ocean. They are considered important for fish production and for material cycles such as that of carbon
- Remote sensing
- A method of investigating an object from a distance using observation instruments such as satellites
- Material cycle
- The flow by which materials such as carbon circulate among the atmosphere, ocean, and land
ResearchResearch themes
The Center for Orbital and Suborbital Observations is one of the centers at the Institute for Space–Earth Environmental Research that link specialized fields. Project Professor Joji Ishizaka of the center uses remote sensing from space to study phytoplankton in the ocean.
View More ↗MembersFaculty
The members of the Center for Orbital and Suborbital Observations are faculty members.As of 2026
- ProfessorNobuhiro Takahashi
- Project ProfessorJoji Ishizaka
- Associate ProfessorTaro Shinoda
- Associate ProfessorKazuki Yamaoka
- Project Associate ProfessorRyota Kikuchi
- Project Assistant ProfessorCHEN Yi-Chien
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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. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Phytoplankton bloom in the North Atlantic Ocean (MODIS )” Jeff Schmaltz, MODIS Land Rapid Response Team, NASA GSFC / Public domain (cropped)
- Ocean phytoplankton seen from space: “NASA satellite view of Southern Ocean phytoplankton bloom (crop)” NASA Suomi NPP satellite / CC BY-SA 4.0 (cropped)
- Related lab (Terrestrial and Marine Biosphere Ecology Lab (Yoshiki Fukutomi)): “Earth Observation (iss069e054648)” NASA Johnson Space Center / Sultan Alneyadi / Public domain (cropped)
- Related lab (Integrated Analysis Division (Kanya Kusano) Lab): “Strong Solar Flare Erupts from Sun, May 27, 2024 and Another May 29th (SVS14597)” NASA's Scientific Visualization Studio - KBR Wyle Services, LLC/Scott Wiessinger / Public domain (cropped)
- Related lab (Ionospheric and Magnetospheric Research Division Lab): “EISCAT Svalbard radar 01” Bernt Rostad from Oslo, Norway / CC BY 2.0 (cropped)
- Related lab (Meteorology and Atmospheric Research Division Lab): “CASBV radar de Blainville bis” Pierre cb / CC BY-SA 4.0 (cropped)
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