Alkalinity release from seagrasses_Scott-Askin et al._Figshare.xlsx

This dataset is the foundation for Scott-Askin, S., Santos, I. R., Albert, G., Asplund, M. E., Deyanova, D., Forsberg, S. C., Ricart, A. M., Gullström, M., Björk, M., Reithmaier, G. M. S. (In Review). In-situ measurements reveal alkalinity release from cold-temperate seagrass meadows.
An in-situ chamber experiment was conducted from the 5th to the 9th of September 2024. At two sites, 24-hour time series were performed using six chambers to resolve diel changes in DIC and TA fluxes. Water samples were collected at seven time points during incubations: 11:00, 13:00, 16:00, 19:00, 23:00, 6:00 and 11:00. Loggers were deployed adjacent to each chamber to develop consecutive time series of physiochemical parameters at each site. Light intensity was measured by Odyssey PAR loggers, indicating that the chosen sampling intervals captured key light transitions. Dissolved oxygen (DO) was measured with HOBO Dissolved Oxygen Data Loggers. Temperature, salinity and water depth were measured with YSI EXO 2 sondes. Sediment porewater samples were taken next to the chambers at the start and end of both time series.