NASA Logo Jet Propulsion Laboratory California Institute of Technology View the NASA Portal
NASA Banner
NASA Banner
NASA Banner
JPL HOME EARTH SOLAR SYSTEM STARS & GALAXIES SCIENCE & TECHNOLOGY
NASA Banner
JPL Science
JPL Science Division Home
Planetary Science Planetary Science
Astrophysics & Space Sciences Astrophysics & Space Sciences
Earth Science Earth Science
Center for Climate Sciences (3292)
Earth Surface And Interior (329A)
Ocean Circulation And Air Sea Interaction (329B)
People
Projects
Sea Level And Ice (329C)
Stratosphere And Upper Troposphere (329D)
Atmospheric Physics And Weather (329E)
Terrestrial Hydrology (329F)
Carbon Cycle And Ecosystems (329G)
Laboratory Studies And Atmospheric Observations (329H)
Tropospheric Composition (329I)
Aerosols And Clouds (329J)
Directorate Science Affiliates Directorate Science Affiliates
Open Postdoc Positions Open Postdoc Positions
Brochures Brochures
 Ocean Circulation And Air Sea Interaction (329B): People
Akiko  Hayashi's Picture
Address:
Jet Propulsion Laboratory
M/S 300-323
4800 Oak Grove Drive
Pasadena, CA 91109
Phone:
(818) 354-8185
Fax:
(818) 393-6720
Email Contact:

Akiko Hayashi

Akiko Hayashi works in support of various projects in the Oceanography Group. She has a integral role in the production of Level 3 products for salinity and alitmetry and the production of auxillary data for use in CALVAL and data retrieval. She produces images and animations for altimetery, salinity, soil moisture and wind products used in research, education and outreach.


Education
  • B.S., Civil Engineering, Duke University
  • M.S., Civil Engineering, Duke University

Projects

Jason-3 Icon Jason-3
Jason-3 will continue the time series of ocean surface topography data after TOPEX/Poseidon, Jason-1 and Jason-2. Launch is planned for 2015.

Aquarius Icon Aquarius
Aquarius measures global sea surface salinity to improve the understanding of ocean circulation and the linkage with climate and water cycle.

SMAP - Soil Moisture Active Passive Icon SMAP - Soil Moisture Active Passive
The Soil Moisture Active Passive mission provides measurements of soil moisture, freeze/thaw state, as well as sea surface salinity and ocean wind.

GRACE Icon GRACE
GRACE, the Gravity Recovery and Climate Experiment, provide measurements of the Earth’s gravity field, including the variability of ocean mass.

Ocean Surface Topography Icon Ocean Surface Topography
Creates images for the images and animations for the El Nino/La Nina Watch


Professional Experience
  • Jet Propulsion Laboratory
    • Ocean Circulation Group, Science Division (1988-Present)
    • Structural Dynamics Group, Engineering Division (1984-1988)

Selected Awards
  • 2017 NASA Group Achievement Award SMAP Salinity and Wind Team
  • 2016 JPL Award Sea Surface Salinity Retrieval
  • 2014 NASA Group Achievement Award Aquarius Science Calibration and Validation Team
  • 2013 JPL Award Aquarius CAP 2.0 Algorithm Team
  • 1998 JPL Award for Excellence TOPEX/Poseidon Science Visualization & Awareness Team
  • 1997 JPL Award for Dedication to Education and Outreach

Selected Publications
  1. Tang, W., A. Fore, S. Yueh, T. Lee, A. Hayashi, A. Sanchez-Franks, J. Martinez, B. King, and D. Baranowski, 2017, Validating SMAP SSS with in situ measurements. Remote Sensing of Environment, pp. 326-340. DOI: 10.1016/j.rse.2017.08.021.
  2. Tang, W., S. H. Yueh, A. Hayashi, A. G. Fore, W. L. Jones, A. Santos-Garcia, and M. M. Jacob, 2015, Rain-induced near surface salinity stratification and rain roughness correction for Aquarius SSS retrieval. The Special Issue of the IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (JSTARS) "Aquarius/SACD mission calibration/validation performance and retrieval algorithms", 8 (12), 5474-5484, DOI: 10.1109/JSTARS.2015.2463768.
  3. Yueh, S. H., W. Tang, A. G. Fore, and A. Hayashi, 2015, Impact of Ocean Wave Height on L-band Passive and Active Microwave Observation of Sea Surfaces. The Special Issue of the IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing (JSTARS) "Aquarius/SACD mission calibration/validation performance and retrieval algorithms", 8 (12), 5491-5499, DOI: 10.1109/JSTARS.2015.2432134.
  4. Tang, W., S. H. Yueh, A. G. Fore, A. Hayashi, T. Lee, and G. Lagerloef, 2014, Uncertainty of Aquarius sea surface salinity retrieved under rainy conditions and its implication on the water cycle study. J. Geophys. Res.-Oceans, DOI: 10.1002/2014JC009834.
  5. Tang, W., S. H. Yueh, A. G. Fore, A. Hayashi, 2014, Validation of Aquarius sea surface salinity with in situ measurements from ARGO floats and moored buoys. J. Geophys. Res.-Oceans, DOI:10.1002/2014JC010101.
  6. Yueh, S. H., W. Tang, A. G. Fore, A. Hayashi, and Y. T. Song, 2014, Aquarius Geophysical Model Function and Combined Active Passive Algorithm for Ocean Surface Salinity and Wind Retrieval. J. Geophys. Res.-Oceans, DOI: 10.1002/2014JC009939.
  7. Tang, W., S. Yueh, A. Fore, G. Neumann, A. Hayashi, and G. Lagerloef, 2013, The rain effect on Aquarius' L-band sea surface brightness temperature and radar backscatter. Remote Sensing of Environment, 137, 147-157.
  8. Yueh, S. H., W. Tang, A. Fore, G. Neumann, A. Hayashi, A. Freedman, J. Chaubell, and G. Lagerloef, 2013, L-band Passive and Active Microwave Geophysical Model Functions of Ocean Surface Winds and Applications to Aquarius Retrieval. IEEE Trans. Geoscience and Remote Sensing, 51 (9), 4619-4632, DOI: 10.1109/TGRS.2013.2266915.

Group Home Page
People in this Group
Group Projects

JPL Privacy Statement Sitemap Contact Site Manager
FIRST GOV NASA Home Page