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Data Publisher for Earth & Environmental Science

Mustaffa, Nur Ili Hamizah; Striebel, Maren; Wurl, Oliver (2017): Extracellular carbonic anhydrase in the sea-surface microlayer during R/V Falkor cruise FK161010 in the Pacific Ocean. Carl-von-Ossietzky University of Oldenburg, Germany, PANGAEA, https://doi.org/10.1594/PANGAEA.883333, Supplement to: Mustaffa, NIH et al. (2017): Enrichment of extracellular carbonic anhydrase in the sea surface microlayer and its effect on air-sea CO2 exchange. Geophysical Research Letters, 44(24), 12,324-12,330, https://doi.org/10.1002/2017GL075797

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Abstract:
This paper describes the quantification of extracellular carbonic anhydrase (eCA) concentrations in the sea surface microlayer (SML), the boundary layer between the ocean and the atmosphere of the Indo‐West Pacific. We demonstrated that the SML is enriched with eCA by 1.5 ± 0.7 compared to the mixed underlying water. Enrichment remains up to a wind speed of 7 m/s (i.e., under typical oceanic conditions). As eCA catalyzes the interconversion of HCO3- and CO2, it has been hypothesized that its enrichment in the SML enhances the air‐sea CO2 exchange. We detected concentrations in the range of 0.12 to 0.76 nM, which can enhance the exchange by up to 15% based on the model approach described in the literature.
Coverage:
Median Latitude: -7.556046 * Median Longitude: 132.522230 * South-bound Latitude: -14.506777 * West-bound Longitude: 125.777518 * North-bound Latitude: 3.435176 * East-bound Longitude: 144.838339
Date/Time Start: 2016-10-19T01:55:00 * Date/Time End: 2016-11-18T00:30:00
Event(s):
FK161010_1 (Sta 1) * Latitude Start: -14.489580 * Longitude Start: 128.743780 * Latitude End: -14.511520 * Longitude End: 128.729850 * Date/Time Start: 2016-10-11T23:34:06 * Date/Time End: 2016-10-12T06:19:52 * Location: Timor Sea * Campaign: FK161010 (PASSME) * Basis: Falkor * Method/Device: Underway cruise track measurements (CT)
FK161010_10 (Sta 10) * Latitude Start: 3.458791 * Longitude Start: 137.982818 * Latitude End: 3.406124 * Longitude End: 138.106265 * Date/Time Start: 2016-10-29T00:10:04 * Date/Time End: 2016-10-29T06:54:54 * Location: West Pacific Ocean * Campaign: FK161010 (PASSME) * Basis: Falkor * Method/Device: Underway cruise track measurements (CT)
FK161010_11 (Sta 11) * Latitude Start: 3.301701 * Longitude Start: 138.183385 * Latitude End: 3.253733 * Longitude End: 138.260318 * Date/Time Start: 2016-10-30T00:55:00 * Date/Time End: 2016-10-30T05:59:50 * Location: West Pacific Ocean * Campaign: FK161010 (PASSME) * Basis: Falkor * Method/Device: Underway cruise track measurements (CT)
Comment:
SML = sea-surface microlayer, Bulk = underlying water
Size:
252 data points

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