CTD Processing Summary CalCOFI 1804SH CTD FinalQC Data | |||
Download 1804SH CTD raw cast files zipped | Download 1804SH FinalQC CTD + bottle data | ||
General CTD Notes - data acquisition notes, logistics, processing - see below. |
|||
CTD sensor corrections derived by comparing CTD sensor data, 4sec averages prior-to-bottle closure, to bottle samples | |||
Dual T, S, & O2 | Primary Sensor | Secondary Sensor | |
Salinity offset (bottle - CTD salinity; > 350m only; Seabird SBE4) | 0.0017 | -0.0006 | |
Oxygen ml/L (dual Seabird SBE43) |
y = 1.064x - 0.0086 R² = 0.9996 |
y = 1.0212x + 0.0408 R² = 0.9996 |
|
Oxygen umol/Kg (dual Seabird SBE43) |
y =1.0666x - 0.2788 R² = 0.9996 |
y = 1.0238x + 1.8748 R² = 0.9996 |
|
Single sensors | Linear | Polynomial | |
Nitrate - ISUS 4sec ave voltage vs Bottle NO3 (Satlantic ISUS v3 SN111) |
y = 27.891x - 10.453 R² = 0.9943 |
||
Fluorometer - linear & polynomial regressions |
y= 14.841x - 0.6679 |
y = 1.8668x2 + 13.009x - 0.5375 |
|
|
|||
Please note that the anomalies are based on 50-year harmonics (1949-1999) and these data are 1m binavg Seasoft-processed CTD data that have not gone through thorough quality control checks or bottle corrections. They are presented to give a general impression of current conditions. CalCOFI 1804SH has additional northern stations but these represent the 75 standard stations occupied 05-20 Apr 2018.
10 & 100 meter Preliminary CTD Data & Anomaly (50yr mean) Contours (Click for larger image) | ||
200 meters (Click for larger image) | ||
300 meter (Click for larger image) | ||
Date Created: February 27, 2018
Updated: March 15, 2018
Platform: NOAA Ship FSV Bell M Shimada
Project Number: CalCOFI 1804SH (OMAO SH-18-03)
Project Title: Spring 2018 CalCOFI Survey, Fisheries Resources Division
Project Dates: April 5 2018 to April 27 2018
MOB Dates: April 02 - 04 2018
DOB Dates: April 27-28 2018, San Francisco CA
Prepared by: Bryan Overcash, Chief Scientist