Biogeochemical dynamics in a marine storm demonstrates differences between natural and anthropogenic impacts.

ABSTRACT: This study explores the impact of a wind storm on sediment resuspension and marine biogeochemical dynamics. Additionally, the storm took place during an expedition researching bottom trawling, enabling the direct comparison of certain natural and fisheries-related disturbances. The storm was initiated by a decline in atmospheric pressure and a 2 h period of gale force winds, which was followed by over 40 h of elevated bottom currents. Storm induced turbidity, potentially a cumulative post-fishing impact, was remarkably higher compared to what was observed in a recent trawling event. Storm-induced mixing and movement of water masses led to decreased silicate and increased phosphate concentrations in the water column, accompanied by lower salinity and higher fluorescence. The erosion depth o

SUBMITTER: Tiano J 

PROVIDER: S-EPMC11021396 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature