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Arévalo-Martínez, Damian L; Kock, Annette; Steinhoff, T; Brandt, Peter; Dengler, Marcus; Fischer, Tim; Körtzinger, Arne; Bange, Hermann W (2018): High Resolution Underway Nitrous Oxide Measurements (atmosphere and ocean) during Maria S. Merian cruise MSM18/2 and MSM18/3. PANGAEA, https://doi.org/10.1594/PANGAEA.894122, Supplement to: Arévalo-Martínez, DL et al. (2017): Nitrous oxide during the onset of the Atlantic cold tongue. Journal of Geophysical Research: Oceans, 122(1), 171-184, https://doi.org/10.1002/2016JC012238

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Abstract:
Based on a detailed investigation of the distribution and sea-to-air fluxes of N2O in the eastern equatorial Atlantic (EEA), we show that the onset and seasonal development of the ACT can be clearly observed in surface N2O concentrations, which increase progressively as the cooling in the equatorial region proceeds during spring-summer. We observed a strong influence of the surface currents of the EEA on the N2O distribution, which allowed identifying “high” and “low” concentration regimes that were, in turn, spatially delimited by the extent of the warm eastward-flowing North Equatorial Countercurrent and the cold westward-flowing South Equatorial Current.
Related to:
Arévalo-Martínez, Damian L; Beyer, Maya; Krumbholz, Marita; Piller, Werner E; Kock, Annette; Steinhoff, T; Körtzinger, Arne; Bange, Hermann W (2013): A new method for continuous measurements of oceanic and atmospheric N2O, CO and CO2: performance of off-axis integrated cavity output spectroscopy (OA-ICOS) coupled to non-dispersive infrared detection (NDIR). Ocean Science, 9(6), 1071-1087, https://doi.org/10.5194/os-9-1071-2013
Coverage:
Median Latitude: 1.899187 * Median Longitude: -15.982269 * South-bound Latitude: -5.033114 * West-bound Longitude: -23.319549 * North-bound Latitude: 14.932496 * East-bound Longitude: 0.012904
Date/Time Start: 2011-05-16T07:19:00 * Date/Time End: 2011-07-19T06:17:00
Event(s):
MSM18/2-track * Latitude Start: 16.886100 * Longitude Start: -24.997600 * Latitude End: 16.886100 * Longitude End: -24.997600 * Date/Time Start: 2011-05-11T00:00:00 * Date/Time End: 2011-06-19T00:00:00 * Campaign: MSM18/2 * Basis: Maria S. Merian * Device: Underway cruise track measurements (CT) * Comment: Mindelo - Mindelo
Comment:
Continuous Surface Ocean and related atmospheric N2O measurements from MSM18/2 and MSM18/3 cruise measured with LGR OA-ICOS N2O Analyzer DLT 100 coupled to Weiss-type showerhead equilibrator.
Size:
4 datasets

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