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public/wp4.txt · Last modified: 2012/03/30 10:50 by testor

WP4: Targeted Experiments

In WP4, existing glider missions data and metadata will be analysed in respect to an infrastructure relevant aspects, such as: scientific motivation (link to WP2 and WP3), data flow, sensors, mission design and software for piloting, as well as logistical aspects (link to WP5). The design and execution of new missions will be carried out to guarantee that a successful implementation of the various infrastructure parts designed in GROOM is possible. This WP will trial new techniques and approaches that will be key features for the future ocean observing system. Direct output will be given to WP1 for the general assessment.

Task 4.1: Endurance lines

(responsible: CNRS, contributors: UPMC, SAMS, NERC, FMI, UEA, IFM-GEOMAR, UIB, AWI, UCY) We will plan, execute and review trials of glider capability to undertake long-lasting repeat sections and to maintain virtual moorings. This will include a variety of challenging marine environments, to lay the foundations of the use of gliders in an ocean observing system. Examples include eastern boundaries of gyres, continental slopes, highly stratified regions, polar oceans, seasonally ice-covered seas, strong currents, complex archipelagos and coastal environments. start month 1 – end month 30

Task 4.2: Fleet missions

(responsible: NURC, contributors: UPMC, OGS, IFM-GEOMAR, CNRS, CSIC) We will plan, execute and review trials of missions involving a fleet of at least 3 gliders simultaneously. We will define optimal sampling strategies (for example, glider swarms, how can we sample an eddy more efficiently with 2 gliders, 3 gliders or more). We will test auto piloting programmes, adaptive sampling strategies and OSSEs. start month 13 – end month 33

Task 4.3: Synergies with other platforms

(responsible: PLOCAN, contributors: FMI, UEA, NERC, HCMR, OGS, UIB, IFM-GEOMAR, UCY, NURC, UPMC) We will trial new sensors on gliders (linked with WP 5) to assess their capability (for example, carbon cycle, turbulence, nutrients). The different design strategies for gliders compared with Argo floats, moorings and ship-board studies will be reviewed, and the sensor behaviours for each technique compared. We will test synergies between gliders and other components of the global ocean and coastal observing systems,including glider-based data recovery from moorings. We will demonstrate the in field calibration protocols developed in 5.2 (sensor payloads). start month 13 – end month 33


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