9
Table of tables
Chapter 1:
Table 1.1: Common metalloproteins present within marine phytoplankton and associated functions
(from Twining and Baines, 2013). ..........................................................................................................38
Chapter 2:
Table 2.1: Ranges, blanks and detection limits of POC (µmol) during GEOVIDE sample runs. ...........63
Table 2.2: Determined concentrations (mg.kg
-1
) and resulting recoveries (%) of the Certified Reference
Material plankton BCR-414, compared to certified or indicative (*) values, analyzed by HR-ICP-MS. .66
Table 2.3: Determined concentrations (µg.g
-1
) and resulting recoveries (%) of the Certified Reference
Material plankton BCR-414, compared to indicative values, analyzed by ICP-AES. .............................66
Table 2.4: Ranges, blanks and detection limits of BSi (µmol) in large and small particles collected during
GEOVIDE. ..............................................................................................................................................68
Table 2.5: Determined concentrations and resulting recoveries of the certified reference materials
SLRS-5 (river water), BHVO-1 (basalt powder), JB-3 (basalt powder) and JGb-1 (gabbro powder) ....71
Chapter 3:
Table 3.1: Determined concentrations (µg.g-1) and resulting recoveries (%) of the Certified Reference
Material plankton BCR-414, compared to indicative values (n=5). ..................................................... 101
Table 3.2: Comparison of the POC export fluxes as determined using the POC:
234
Th ratios in large (>
53 µm) and small particles (1-53 µm). ................................................................................................. 116
Table 3.3: POC (particulate organic carbon), BSi (biogenic silica), CaCO
3
(calcium carbonate) and pAl
(particulate aluminum) export fluxes (in mmol.m
-2
.d
-1
or µmol.m
-2
.d
-1
) obtained by multiplying the
234
Th
export flux with
the Element to
234
Th ratio of large (>53 µm) particles (see text for details). These fluxes
were integrated between surface and Eq, where total
234
Th returns to equilibrium with
238
U, and at 400
m. ......................................................................................................................................................... 120
Table 3.4: Comparison of POC export flux, POC export efficiency (POC flux at Eq / PP) and transfer
efficiency (POC flux at 400 m / POC flux at Eq) in the North Atlantic with literature data. ................. 123
Chapter 4:
Table 4.1: Particulate barium (Ba) and aluminum (Al) concentrations and resulting recoveries (the bold
and italic percentages) of the certified reference materials SLRS-5 (river water), BHVO-1 (basalt
powder), JB-3 (basalt powder) and JGb-1 (gabbro powder). .............................................................. 151
Table 4.2: Depth-weighted average (DWA) values of mesopelagic Baxs (pmol.L
-1
) and resulting Baxs-
based mesopelagic POC remineralization rates (mmol C.m
-2
.d
-1
) integrated between 100-500 m and
100-1000 m depths. The biogeochemical provinces defined by Longhurst et al. (1995) are also indicated:
NAST: North Atlantic
subtropical gyre; NADR:
North Atlantic drift; ARCT: Atlantic Arctic. ................. 162
Table 4.3: Comparison of the Baxs inventory (pmol.L
-1
) and related-carbon mesopelagic
remineralization fluxes (mmol.m
-2
.d
-1
) obtained in the world’s ocean. ................................................ 165
Table 4.4: Comparison of the mesopelagic POC remineralization fluxes (Remineralization) with primary
production (PP) and POC export fluxes in the upper water column (Export). All fluxes are expressed in
mmol C.m
-2
.d
-1
.
[1]
PP data from A. Roukaerts, D. Fonseca Batista and F. Deman (unpublished data);
[2]
EP data from Lemaitre et al., in prep. .................................................................................................. 175
Chapter 5:
Table 5.1: Measured particulate trace element concentrations (in mg.kg
-1
) and resulting recoveries (in
%) of the certified reference material plankton BCR-414 compared to the certified or indicative (*) values
(n=5). ................................................................................................................................................... 190
Table 5.2: pFe, pMn, pCo, pNi, pCu, pZn, pCd, pAl and pP export fluxes (in µmol.m
-2
.d
-1
or nmol.m
-2
.d
-
1
) obtained by multiplying the
234
Th export flux with the Element to
234
Th ratio of large (>53 µm) particles.
These fluxes were integrated between surface and Eq, where total
234
Th returns to equilibrium with
238
U,
and at 400 m using a linear interpolation (see text for details). ........................................................... 200