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contact PIs:Data Object SedimentTraps - Bulk Pumped Particles
| name | title |
|---|---|
| Dr Tom W. Trull | Principal Investigator |
| Dr Doug Mackie | Contact |
Blank GFF: (QMA blank - see notes below) 5. Notes: 1. QMA blank (see SizeFractionatedPumpedParticles sheet) used for GFF until GFF blank measurement is complete 2. Two samples were numbered 14 by mistake at sea - heavily loaded filter was obviously from 10m depth - designated b. 3. Blank Correction from GFF blanks n=11 PeakArea 13Cpdb in Part# D1100 tin cups (same as samples) average 9.41 -25.83 stdev 1.27 0.6 4. NBS22 Oil standard correction from n=51 n=51 n=51 n=25 n=25 n=25 76 standards run NBS OIL NBS OIL NBS OIL NBS OIL NBS OIL NBS OIL in two sizes during same time period 1ul 1ul 1ul 2ul 2ul 2ul as SOIREE samples using same column VS 13C 13C VS 13C 13C PeakArea in Volt-seconds (VS) undil undil undil,bc undil undil undil,bc average of 1ul and 2ul results average 49.61 -29.69 -29.84 91.52 -29.77 -29.86 is -29.85, 0.15 lighter than stdev 18.72 0.2 0.22 44.04 0.19 0.18 NBS/NIST assigned value of -29.7 Blank corrections for NBS stds from EA tin cup part # D4019 correction made by adding 0.15 to SOIREE values n=7 PeakArea 13Cpdb average 1.24 -24.62 stdev 0.51 2.96 Blank, Standard, Sample raw isotope data in file EA99_2.xls, available from Trull on request Trull results on 142mm GFF filters from hose pump, as reported in Trull and Armand, DSR-II paper all CHN analyses done on 2 syringepunches of the folded filter fraction analysed = 4xpuncharea/filterarea: 0.00276 all 13C analyses done on 1 syringepunch of the folded filter fraction analysed = 2xpuncharea/filterarea: 0.00138
| Parameter | Description | Units |
|---|---|---|
| date_NZST | date NZST | YYYYMMDD |
| lon | longitude, negative denotes West | decimal degrees |
| lat | latitude, negative denotes South | decimal degrees |
| date_UTC | UTC Date | YYYYMMDD |
| time_UTC | UTC time | HHMM |
| depth | Sample depth | meters |
| Filter_# | Filter Number | integer |
| Patch | Patch Location (In/Out) | Text |
| CTD_cast_sametime | CTD Station/Cast Id | Text |
| Volume_filtered | Volume filtered | (tbd) |
| C_measured | C measured | (tbd) |
| C_on_filter | C on filter | (tbd) |
| C_to_N_ratio | C/N Ratio | dimensionless |
| C_blank_corr | C blank corr | (tbd) |
| C_per_litre | C per litre | (tbd) |
| 13Corg_measured | 13Corg measured | (tbd) |
| 13Corg_blnk_corr | 13Corg blnk corr | (tbd) |
| 13Corg_NBS22std | 13Corg NBS22std | (tbd) |
| R/V Tangaroa 61TG_3052 |
MULTI-trap dimensions:
Length (L, m): 0.58 Trap length with baffles inserted;
L without baffles: 0.525 m
AR without baffles: 7.50
Trap volume without baffles: 2.021 litres
Inside diameter (Di, m): 0.07
Outside diameter (Do, m): 0.08
Aspect ratio (AR): 8.29
Aspect ratio with salt (AR): 7.29 Basal brine added to a height of 1-trap diameter (7 cm)
Collection area (A, m2): 0.00385
Trap volume (V, m3): 0.00223
Trap volume (V, litres): 2.232
Baffle length (Lb, m): 0.08
Baffle diameter (Dib, m): 0.01
Baffle aspect ratio (ARb): 5.77
NIWA's Seabird 911plus CTD and related instrumentation
This document is created from the content of the BCO-DMO metadata database. 2010-03-16 21:47:58
info app: /home/bco/dbase-v2 v.100108 CLC