http://www.cnr.it/ontology/cnr/individuo/prodotto/ID183450
Impact of the spatiotemporal variability of the nutrient flux on primary productivity in the ocean (Articolo in rivista)
- Type
- Label
- Impact of the spatiotemporal variability of the nutrient flux on primary productivity in the ocean (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1029/2004JC002738 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- C. Pasquero, A. Bracco, A. Provenzale (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.agu.org/pubs/crossref/2005/2004JC002738.shtml (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Pasquero: Geological and Planetary Sciences Division, California Institute of Technology, Pasadena, California, USA
Bracco: Physics of Weather and Climate Group, Abdus Salam International Center for Theoretical Physics, Trieste, Italy
Provenzale: Istituto di Scienze dell'Atmosfera e del Clima, Consiglio Nazionale delle Ricerche, Torino, Italy (literal)
- Titolo
- Impact of the spatiotemporal variability of the nutrient flux on primary productivity in the ocean (literal)
- Abstract
- Oceanic carbon uptake depends on the productivity of the marine ecosystem. Here we
study the dependence of primary productivity on the spatial and temporal variability of the
nutrient flux and the functional form used to parameterize it. We show that primary
productivity is significantly affected by the form of the nutrient input. For a restoring flux,
used to parameterize nutrient input by upwelling, primary productivity depends on the
size and/or temporal duration of the upwelling events. For a fixed-flux nutrient input, we
show that high-nutrient, low-chlorophyll (HNLC) regions can easily appear, without
necessarily implying the lack of some micronutrient. These results have interesting
implications on the interpretation of primary productivity estimates from observational
data and ocean circulation models, and indicate a way to obtain upper and lower bounds
to primary productivity in coarse-resolution models. (literal)
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