Abstract
Abstract. This paper revisits Stommel's vision for a global glider
network and the Argo design specification. A concept of floats with wings,
so-called slow underwater gliders, is explored. An analysis of the
energy or power consumption shows that, by operating gliders with half the
vehicle volume at half the speed compared to present gliders, the energy
requirements for long-duration missions can be met with available battery
capacities. Simulation experiments of slow gliders are conducted using the
horizontal current fields from an eddy-permitting ocean reanalysis product.
By employing a semi-Lagrangian, streamwise navigation whereby the glider
steers at right angles to ocean currents, we show that the concept is
feasible. The simulated glider tracks demonstrate the potential for
efficient coverage of key oceanographic features and variability.
Subject
Cell Biology,Developmental Biology,Embryology,Anatomy
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