Seasonal variations of bio-optical properties and their interrelationships observed by Bio-Argo floats in the subpolar North Atlantic
| Type | : | ACL |
|---|---|---|
| Nature | : | Production scientifique |
| Au bénéfice du Laboratoire | : | Oui |
| Statut de publication | : | Publié |
| Année de publication | : | 2014 |
| Auteurs (6) | : | XING Xiaogang CLAUSTRE Herve UITZ Julia MIGNOT Alexandre POTEAU Antoine WANG Haili |
| Revue scientifique | : | Journal of Geophysical Research-Oceans |
| Volume | : | 119 |
| Fascicule | : | 10 |
| Pages | : | 7372-7388 |
| DOI | : | 10.1002/2014jc010189 |
| URL | : | http://onlinelibrary.wiley.com/doi/10.1002/2014jc010189/abstract |
| Abstract | : | Based on in situ data sets collected using two Bio-Argo floats deployed in the subpolar North Atlantic from June 2008 to May 2010, the present study focuses on the seasonal variability of three bio-optical properties, i.e., chlorophyll-a concentration ([Chla]), particle backscattering coefficient at 532 nm (b(bp)(532)), and particle beam attenuation coefficient at 660 nm (c(p)(660)). In addition, the interrelationships among these properties are examined. Our results show that: (1) [Chla], b(bp)(532) and c(p)(660) are largely well coupled with each other in the upper layer, all being minimum in mid-winter (January) and maximum in summer; (2) the backscattering coefficient presents an abrupt increase in late summer in the Icelandic Basin, likely due to a large contribution of coccolithophores following the diatom spring bloom; (3) the intercorrelations between the three bio-optical properties are basically consistent with previous studies; (4) seasonal variation in the of [Chla] to c(p)(660) ratio exhibits a clear light-dependence, most likely due to the phytoplankton photoacclimation. |
| Mots-clés | : | - |
| Commentaire | : | Times Cited: 0 0 |
| Tags | : | - |
| Fichier attaché | : | - |
| Citation | : |
Xing X, Claustre H, Uitz J, Mignot A, Poteau A, Wang H (2014) Seasonal variations of bio-optical properties and their interrelationships observed by Bio-Argo floats in the subpolar North Atlantic. J Geophys Res-Oceans 119: 7372-7388 | doi: 10.1002/2014jc010189
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