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Global sea-surface iodide observations, 1967–2018

Abstract.

"The marine iodine cycle has significant impacts on air quality and atmospheric chemistry. Specifically, the reaction of iodide with ozone in the top few micrometres of the surface ocean is an important sink for tropospheric ozone (a pollutant gas) and the dominant source of reactive iodine to the atmosphere. Sea surface iodide parameterisations are now being implemented in air quality models, but these are currently a major source of uncertainty. [...]"

Source: Scientific Data
Authors: Rosie J. Chance et al.
DOI: 10.1038/s41597-019-0288-y

Read the full article here.


Upper Ocean O2 trends: 1958-2015

Abstract.

"Historic observations of dissolved oxygen (O2) in the ocean are analyzed to quantify multi-decadal trends and variability from 1958 to 2015. Additional quality control is applied and the resultant oxygen anomaly field is used to quantify upper ocean O2 trends at global and hemispheric scales. A widespread negative O2 trend is beginning to emerge from the envelope of interannual variability. Ocean reanalysis data is used to evaluate relationships with changes in ocean heat content (OHC) and oxygen solubility (O2,sat). Global O2 decline is evident after the 1980s, accompanied by an increase in global OHC. [...]"

 

Source: Geophysical Reasearch Letters
Authors: Takamitsu Ito et al.
DOI: 10.1002/2017gl073613

Full article


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