### Abstract

- Top of page
- Abstract
- 1. Introduction
- 2. Theoretical Approaches
- 3. Results
- 4. Discussion and Conclusions
- Acknowledgments
- References
- Supporting Information

[1] In this work the dynamics and dissolution of a hydrate-covered CO_{2} drop were studied, using a numeric model and data from one of very few CO_{2} experiments performed in the real ocean. A theory including the standard drag curve of rigid spheres was shown not to fit the observed drop rise velocity. However, a drag parameterization supported by numerous laboratory experiments with gas bubbles provides a good match of the observed rise velocity of a liquid CO_{2} drop covered with hydrate. The results confirm laboratory results showing that shape is a key factor determining the CO_{2} drop dynamics. We also found that hydrate reduces the mass transfer of the observed drop by a factor of 2, which is compatible with laboratory experiments. Numerical experiments with different drop sizes showed that the choice of drag parameterization has a significant impact on the estimated vertical distribution of dissolved CO_{2}.