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Global sea-surface iodide observations, 1967-2018


Chance, RJ and Tinel, L and Sherwen, T and Baker, AR and Bell, T and Brindle, J and Campos, MLAM and Croot, P and Ducklow, H and Peng, H and Hopkins, F and Hoogakker, B and Hughes, C and Jickells, TD and Loades, D and Macaya, DAR and Mahajan, AS and Malin, G and Phillips, D and Roberts, I and Roy, R and Sarkar, A and Sinha, AK and Song, X and Winkelbauer, H and Wuttig, K and Yang, M and Peng, Z and Carpenter, LJ, Global sea-surface iodide observations, 1967-2018, Scientific Data, 6, (1) Article 286. ISSN 2052-4463 (2019) [Refereed Article]

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DOI: doi:10.1038/s41597-019-0288-y


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. Relatively little observational data is available to estimate the global surface iodide concentrations, and this data has not hitherto been openly available in a collated, digital form. Here we present all available sea surface (<20m depth) iodide observations. The dataset includes values digitised from published manuscripts, published and unpublished data supplied directly by the originators, and data obtained from repositories. It contains 1342 data points, and spans latitudes from 70S to 68N, representing all major basins. The data may be used to model sea surface iodide concentrations or as a reference for future observations.

Item Details

Item Type:Refereed Article
Keywords:iodide, global sea-surface, dataset
Research Division:Chemical Sciences
Research Group:Other Chemical Sciences
Research Field:Environmental Chemistry (incl. Atmospheric Chemistry)
Objective Division:Environment
Objective Group:Climate and Climate Change
Objective Field:Climate and Climate Change not elsewhere classified
UTAS Author:Wuttig, K (Dr Kathrin Wuttig)
ID Code:136993
Year Published:2019
Deposited By:CRC-Antarctic Climate & Ecosystems
Deposited On:2020-01-24
Last Modified:2020-02-19

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