Dear Dr. Jansson and co-authors,

Thank you for submitting the revised manuscript. You answered the comments satisfactorily and now the manuscript is accepted for publication in Ocean Science. Please account for some final technical issues, which I have listed below, before submitting the final manuscript files.

Question by Referee #1
RC: Page 13 L267: with the given speed of the cruise and the response time of the instrument (15 sec), spatial resolution is of the order 10m. However, how does the instrument obtain a measurement? Is it by continuous flow at a given flow rate over the membrane, or does it work in a batch mode with discrete samples passed over the membrane unit?
AR Both the water flow over the membranes and the gas flows inside the instrument are continuous and constant during the cast/deployment.
EDITOR: You did not indicate if this info was added to the manuscript.

L34 “such phenomena”, or “such a phenomenon”
L43 Please define ROV here

L55 in situ (no hyphen)
L56 (μM – mM) I think this is somewhat too colloquial. Please be more specific.

L58 in situ (no hyphen) (also at other places in the text)
L69 21-23 October (format)

L134 were (instead of was)
L149 I suggest not to use TS for target strength, as TS is also the abbreviation of time series, which is also sued in the text.

L159 spectrum instead of spectra
L200 indicate (-s)

Figure 2 Panel A: Salinity does not have a unit; please delete psu
L216 Please be consistent with capitals for all water masses.

Figure 6 Upper panel: Salinity does not have a unit; please delete psu

References
Jansson et al: Add volume and pages 17: 223-239. doi:10.1002/lom3.10307
Pohlmann et al: Please correct the title

Table 1
In caption: Add what average concentrations are given here. Also please add where those concentrations were measured.

Thank you and best wishes
Mario Hoppema