The “biological carbon pump”
Role of zooplankton in determining the efficiency of the biological carbon pump
... ocean’s biological carbon pump (BCP eff – here the product of particle export and trans- fer efficiencies) plays a key role in the air–sea partition- ing of CO 2 ...global carbon cy- cle, the ...
10
The value of scientific research on the ocean's biological carbon pump
... This difference is a measure of the value of research on the BCP. Using a Bayesian approach, the value of information was estimated ex ante. The model was illustrated using numerical simulations. The simula- tion results ...
13
Eukaryotic influence on the oceanic biological carbon pump in the Scotia Sea as revealed by 18S rRNA gene sequencing of suspended and sinking particles
... Suspended marine particles constitute most of the particulate organic matter pool in the oceans, thereby providing substantial substrates for heterotrophs, especially in the mesopelagic. Conversely, sinking particles are ...
22
The role of mixotrophic protists in the biological carbon pump
... Received: 31 July 2013 – Published in Biogeosciences Discuss.: 15 August 2013 Revised: 6 January 2014 – Accepted: 7 January 2014 – Published: 20 February 2014 Abstract. The traditional view of the planktonic food web ...
11
Autonomous Observations of the Ocean Biological Carbon Pump
... we have focused on sensors for particulate organic and inorganic carbon pools and fluxes 314. and on their integration with low-power long-lived Lagrangian floats[r] ...
31
Alternative particle formation pathways in the Eastern Tropical North Pacific’s biological carbon pump
... of carbon globally and are capable of storing atmospheric carbon in the deep ocean and sediments on long time ...store carbon in areas where slow-sinking particles dom- inate particle export and ...
14
Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean
... Part of the relatively high Chl a concentration estimated in July 2014, specifically in WMA, is probably linked to en- hanced vertical winter mixing from the DCM. The seasonal C, N, and P pool changes may be followed by ...
29
Modelling features of the biological pump and its impact on marine oxygen distribution
... enhances biological production and subsequent oxygen con- sumption (Wallmann, 2010) – has only limited relevance for the expansion of OMZs in this ...the biological carbon pump and associated ...
117
Université Pierre et Marie Curie. The Biological Pump: size matters.
... Ocean carbon sources and sinks are controlled by both physical (Sabine et ...and biological (Volk and Hoffert, 1985) processes that act at various temporal and spatial ...the biological carbon ...
13
Evaluating Southern Ocean carbon eddy pump from biogeochemical Argo floats
... Ocean biological carbon pump might have been overestimated but more spatial and temporal coverage is needed to fully support this ...the carbon export caused by subduction events highlights ...
14
The North Atlantic biological pump : insights from the Ocean Observatories Initiative Irminger Sea Array
... logical pump. The subpolar North Atlantic is a strong carbon sink region where the biological carbon pump’s annual cycle features two pronounced and competing processes: a spring diatom bloom ...
9
Biological or Microbial Carbon Pump? The role of phytoplankton stoichiometry in ocean carbon sequestration
... conditions, carbon export is dominated by zooplankton derived detritus ...Ungrazed, carbon-rich phytoplankton release excess carbon through exudation in order to re-equilibrate internal ...of ...
16
of iron fertilization induced changes in the ocean’s biological pump
... a carbon atom to come from the atmosphere is much ...the carbon that is exported from the near surface layer remineralizes above 100 m, so that only a limited fraction continues to be ex- ported across the ...
22
Biological Ion Exchange Filters as an Alternative to Biological Activated Carbon in Drinking Water
... V Ph.b : Total volume of retained phosphate buffer ≈ 300 mL Mass media : Mass of extracted media, taken from the pilot ≈ 5 g 3.1.3.3.3. Nitrifying bacteria The nitrifying bacteria content was measured using the Potential ...
136
A multi-variable box model approach to the soft tissue carbon pump
... the biological pump is sensitive to the nutrient utilization rate in our low latitude and equatorial boxes and it is therefore ap- propriate to put the result in context of previous ...tissue pump ...
15
Ecological response to collapse of the biological pump following the mass extinction at the Cretaceous–Paleogene boundary
... J. Vellekoop et al.: Ecological response to K–Pg boundary mass extinction 897 benthic communities. As the downward transport of nutri- ents was slowed down, recycling in upper layers increased. As a result, more ...
16
Seasonal copepod lipid pump promotes carbon sequestration in the deep North Atlantic
... lipid carbon and respire it at a rate comparable to the carbon delivered by sinking ...lipid pump is an as yet unresolved component of the sequestration flux of carbon in the oceans, being ...
13
Biological Carbon Sequestration and Carbon Trading Re-visited
... that carbon can be stored in terrestrial sinks, and that care should be taken to foster such sinks and ensure that carbon is not unwontedly and needlessly released ...of carbon credits, and even by ...
26
Biological Carbon Sequestration and Carbon Trading Re-Visited
... Kyoto, biological activities that sequester carbon can be used to create CO 2 offset credits that could obviate the need for lifestyle-changing reductions in fossil fuel ...storing carbon in ...
11
Biological control of the terrestrial carbon sink
... NBP and NECB would contribute to the fraction of CO 2 assimilation that accumulates in the ecosystem and landscape over very long time, this is, the carbon pool of ecosystems. It would be the actual long-term ...
20