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**Some programs are limited. Please read solicitations carefully and consult your Office of Research for specifics, such as limited applications through your university and internal application deadlines.**

While NASA’s focus remains global in nature, it is recognized that many of the practical problems with respect to human interaction with the ocean lie within the coastal seas. Compelling proposals that address the physical oceanographic characteristics of coastal seas in a global context are, therefore, welcome. Three research themes are identified in the Physical Oceanography program and represent priority areas for proposals solicited through this announcement:
1. Analysis and interpretation of the ocean circulation using satellite and in situ data, data-derived products, and NASA ocean state estimates (e.g. ECCO - Estimating the Circulation and Climate of the Oceans). Tailoring such proposals to support the objectives and priorities the U.S. CLIVAR Program is encouraged. NASA recommends that proposals focused on a single variable (e.g., sea level, ocean vector winds, salinity) that is already supported by a dedicated science team be submitted to those science team elements in ROSES.
2. Development of novel remote sensing techniques for physical oceanography. NASA has successfully developed remote sensing techniques for ocean surface winds, sea level, sea surface temperature, and sea surface salinity. Each of these variables has a science team and dedicated research activity. NASA will support modest proposals that explore new concepts for remote sensing of interest to physical oceanography. This opportunity is NOT for technology or instrument development, but for concept articulation and exploration.
3. The intensity and location of mixing in the ocean remains an area of active research. The third priority area for this year’s announcement is seeking proposals that expand our spatial and temporal estimates of ocean mixing through the use of remote sensing and likely the joint analysis of satellite data sets with in situ ocean mixing (microstructure) data.

Deadline: Notice of intent due May 31, 2018. Proposal due Jun 29, 2018.