Impact of GFO satellite on naval antisubmarine warfare
Chu, Peter C.
Gottshall, Eric L.
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The purpose of this study is to assess the benefit of assimilating satellite altimeter data especially the US Navy’s GFO into the Modular Ocean Data Assimilation System (MODAS). To accomplish this, two different MODAS fields are used by the Weapon Acoustic Preset Program (WAPP) to determine suggested presets for a Mk 48 variant torpedo. The MODAS fields differ in that one uses altimeter data assimilated from three satellites while the other uses no altimeter data. The metric used to compare the two sets of outputs is the relative difference in acoustic coverage area generated by WAPP. Output presets are created for five different scenarios, two Anti-Surface Warfare scenarios and three Anti-Submarine Warfare scenarios, in each of three regions: the East China Sea, Sea of Japan, and an area south of Japan that includes the Kuroshio current. Analysis of the output reveals that, in some situations, WAPP output is very sensitive to the inclusion of the altimeter data because of the resulting differences in the subsurface predictions. The change in weapon presets could be so much that the effectiveness of the weapon might be affected.
NATO RTB-SPSM01 Specialists Meeting on "Emerging and Future Technologies for Space Based Operations Support to NATO Military Operations", DVD-ROM
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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