The air-launched autonomous micro observer
Jayne, Steven R.
Owens, W. Brechner
Robbins, Pelle E.
Ekholm, Alexander K.
Bogue, Neil M.
MetadataShow full item record
KeywordOcean; Hurricanes; Ocean dynamics; Mixed layer; Aircraft observations; Instrumentation/sensors
The Air-Launched Autonomous Micro Observer (ALAMO) is a versatile profiling float that can be launched from an aircraft to make temperature and salinity observations of the upper ocean for over a year with high temporal sampling. Similar in dimensions and weight to an airborne expendable bathythermograph (AXBT), but with the same capability as Argo profiling floats, ALAMOs can be deployed from an A-sized (sonobuoy) launch tube, the stern ramp of a cargo plane, or the door of a small aircraft. Unlike an AXBT, however, the ALAMO float directly measures pressure, can incorporate additional sensors, and is capable of performing hundreds of ocean profiles compared to the single temperature profile provided by an AXBT. Upon deployment, the float parachutes to the ocean, releases the air-deployment package, and immediately begins profiling. Ocean profile data along with position and engineering information are transmitted via the Iridium satellite network, automatically processed, and then distributed by the Global Telecommunications System for use by the operational forecasting community. The ALAMO profiling mission can be modified using the two-way Iridium communications to change the profiling frequency and depth. Example observations are included to demonstrate the ALAMO’s utility.
Author Posting. © American Meteorological Society, 2022. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of the Atmospheric and Oceanic Technology 39(4), (2022): 491–502, https://doi.org/10.1175/jtech-d-21-0046.1.
Suggested CitationJayne, S., Owens, W., Robbins, P., Ekholm, A., Bogue, N., & Sanabia, E. (2022). The air-launched autonomous micro observer. Journal of Atmospheric and Oceanic Technology, 39(4), 491–502.
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