Adaptive deployment of balloons within HyMeX

Doerenbecher, A. ; Basdevant, C.

Année de publication
2011

The BAMED project contributes to the international and multidisciplinary project HyMeX. BAMED, which is supported by the CNES, also involves the LMD and the CNRM. The project deals with atmospheric boundary layer drifting balloons to be deployed during the SOP (Special Observation Period)of HyMeX (in 2012 and 2013). The scientific objective for both LMD and CNRM is to prepare a deployment strategy, which is relevant for the needs of HyMeX. This strategy includes the selection of some launching sites and the development of a so-called targeting guidance tool that helps for the launching decisions in real-time. Indeed, the deployment of the balloons will be tailored for the numerical weather prediction (NWP) at various scales (sub-synoptic and mesoscale). The balloons are "Boundary Layer Pressurized Balloon" (BLPB) and "Aéroclippers". Both types are designed and built by CNES. The paper will start by describing the HyMeX context and the balloons. Then some considerations about the launching sites will be considered prior to a sketch of the guidance system to be implemented in HyMeX.

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