Welcome to DepthAverageCurrents_SOP Discussions!

[soerenthomsen]

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[LewisDrysdale]

Hello, I am working with Seaglider data from the UK OSNAP program. We have a near-continuous glider occupation of the Rockall Trough west of Scotland for around 3 years. I am presently trying to think about ways to improve position estimates when the glider is yoyo diving (which we do a lot to lessen then risk of fishing boats trawling the glider). The UoW seaglider software does not seem to estimate the yoyo dive surface position well because only information on north/east displacement is available, so we are using interpolated GPS fixes to avoid a 'crooked' track. I would be particularly interested in if anyone has calculated DACs using yoyo dives before. Shall I start a new thread?

[soerenthomsen]

Hi @LewisDrysdale

thanks a lot for your interest. Indeed at GEOMAR we also did these yoyo dives to avoid collisions with fishing boats in upwelling regimes.

I suggest you open an issue and after discussing this with the lead authors (@AlicePietri, @AnthonyBosse and @rtodd-WHOI and the community we should aim to implement also something related to yoyo dives /DAC calculation into the SOP together?

Best
Soeren

[LewisDrysdale]

Hi @soerenthomsen,

Sounds good.

Cheers,

Lewis