2023 Volume 79 Issue 17 Article ID: 23-17147
The purpose of this study was to clarify the temporal variation of simultaneous and continuous observations of atmospheric and water surface CO2 fluxes in brackish salt marsh. Atmospheric CO2 flux was larger fluctuations than water surface CO2 fluxes, with larger absorption from spring to summer. Water surface CO2 flux was a small temporal variation, and emission during most of the day except for winter. Atmospheric CO2 flux were highly influenced by solar radiation during the daytime and vertical wind speed during the nighttime, while water surface CO2 flux were influenced by water temperature, tide level and discharge during both daytime and nighttime. These results indicate that the seasonal variations of atmospheric and water surface CO2 fluxes in brackish salt marsh during day and nighttime are related to the meteorological conditions.
