Summary: |
CalCOFI 1501NH winter cruise on RV New Horizon; 15 Jan - 8 Feb 2015. 100 stations were successfully occupied; sta 60.90 & a few net tows were cancelled due to high winds & rough seas. SCCOOS stations 80.0 50.5 & 85.4 35.8 were skipped. Refer to station activities for specific station work performed. |
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Data Files: | 1501NH Preliminary Plots; 1501NH CTD (raw) Cast files; 1501NH FinalQC Bottle-corrected CTD Files | |
Ancillary Data Links: | NAVOCEANO Drifter Data Maps | |
Announcement: | CalCOFI 1501NH Cruise Announcement PDF | |
Cruise Dates: | Thursday, 15 Jan 2015 - Sunday, 08 Feb 2015 | |
Loading: | Monday, 12 Jan 2015 - Wed, 14 Jan 2015 ; 10th Ave Marine Terminal, San Diego, CA | |
Offloading: | 09 Feb 2015; 10th Ave Marine Terminal, San Diego, CA | |
Ship: | RV New Horizon | |
Station plan: | 109 Stations (100 CalCOFI + 9 SCCOOS) | |
Cruise Map: | ||
Contacts: | Dave Griffith, Chief Scientist, NMFS | |
Amy Hays, NMFS | ||
Jennifer Rodgers-Wolgast, IOD (SIO Technical Coordinator) | ||
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. Final data plots will be published after all data are processed.
CTD Processing Summary CalCOFI 1501NH CTD Final Data | |||
Download 1501NH CTD raw cast files zipped | Download 1501NH FinalQC CTD + bottle data Note: Metadata files compiled from CTD processing are split 1-64 (dual TCO), 65-100 (single TCO) |
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General CTD Notes - data acquisition notes, logistics, processing - see below | |||
CTD sensor corrections derived by comparing 4 secs of CTD sensor data (prior to bottle closure) to bottle samples | |||
Dual T, S, & O2 | Primary Sensor | Secondary Sensor | |
Salinity offset (bottle - CTD salinity; > 350m only; Seabird SBE4) | -0.00232 | 0.00084 | |
Oxygen ml/L (dual Seabird SBE43) | y = 1.0507x - 0.0094 R² = 0.9997 |
y = 1.0397x - 0.0132 R² = 0.9998 |
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Oxygen umoles/Kg (dual Seabird SBE43) | y = 1.0507x - 0.4099 R² = 0.9997 |
y = 1.0397x - 0.5732 R² = 0.9998 |
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Single sensors | Linear | Polynomial | |
Nitrate - ISUS 4sec ave voltage vs Bottle Nitrate (Satlantic MBARI-ISUS v2) | y = 27.23x - 7.1464 R² = 0.9945 |
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Fluorometer - linear & polynomial regressions |
y = 7.1988x - 0.2187 R² = 0.8363 |
y = 7.2289x2+5.7762x-0.1677 R² = 0.839 |
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General notes: These are cast & final CTD Processing Notes from 1501NH cruise | |||
CalCOFI 1501NH General Cast Notes: This cruise occupied 100 stations: 93 standard, & 7 SCCOOS. The stations were occupied in traditional sequence but MBARI-SECRET 20nm stations, 63.65 63.75 63.85 & 63.95 were not occupied. SCCOOS stations 80.0 50.5 (too rough, windy night) & 85.4 35.8 (offline, shiptime) were not occupied. No CTD casts deeper than 770m were performed - no 1000m MBARI-SECRET casts on Line 63 & no 3500m casts on 90.90 or 80.90. Cast 01 - non-confirmations for bottles #2 at 50m and #3 at 42m; suspect #1 was 60m then #2 was 36m, both prodo bottles. Noisy signal & spikes noted on upcast; downcast looks okay. Cast 02 - SCCOOS shallow station immediately after Cast 01; signal noise but 4 bottles marked, tripped, & closed. Cast 03 - SCCOOS shallow station; downcast prfiles looks okay; upcast: 5m bottle #4 did not close - carousel jumped from 4 to 2 so additional trips were necessary to catchup. CTD reterminated post-cast. Cast 04 - 93.28 severe problems, lost 12hrs troubleshooting CTD issues; CTD reterminated after 150m of wire removed. CTD pumps are turning off at ~50m on downcast. Additional solutions attempted: 1) 1° conductivity sensor changed before cast; 2) carousel changes as per DAG suggestion; 3) new pump cable; 4) new pylon cable; 5) spare deck unit used; 6) dummied secondary pump WORKED. So secondary sensor data on casts 004 - 011 are bad. Cast 04 - 11 primary sensor data good, secondary sensor bad - no pump Cast 06 - bottom valves on bottle #1 & #20 replaced post-cast, drippy Cast 08 - bottle #10 replaced, bottom o-ring leaking Cast 12 - backup pump installed as 2°; dual conductors - black & white combined for signal, shield as ground. Both pumps & sensor sets are working. Cast 15 - rockin-rolling Cast 19 - 15kt winds but relatively calm Cast 20 - some big rolls Cast 21 - rolling Cast 22 - windy, rolling Cast 23 - going down slow 30m/min then 40m/min; sunny but windy & rough Cast 24 - going down slow 30 then 40 - rough seas Cast 25 - mid-size rollers Cast 27 - calmer; two markers at 440m - file edited/corrected Cast 29 - calm sunny Cast 37 - calm bright but cloudy; transmissometer dropout @ 500m downcast Cast 40 - small pH spike at 330m on downcast Cast 45 - calm morning; Fukushima water collected from underway since all bottle needed Cast 48 - no nav file; created one from marker file Cast 60 - RS232 issues, deck unit reset seemed to fix the glitch; MET system froze & was reset as well. Extra 4om tripped & ignored Cast 61 - relatively calm with some big rolls - trough Cast 62 - deck unit error lights flashed red at 35m downcast; spikes in O2 135m downcast; fluorometer spike @ 458m upcast. Connectors checked and serviced post-cast. Cast 63 - all sensors glitched out at 85m on downcast but transient Cast 64 - carousel reset after major spike, RJ did not fire enough bottles to "catch-up" so no bottles closed less than 200m ie only the 1st 7 depths from 515 to 200 trapped water. Downcast does not look bad but the transmissometer dropped out at 450-515m downcast. Pre-cast notes by RJ: deck unit displaying zeros on all channels, changed sea cable slo-blow fuse & fast-blow fuse. Numbers came back but it was decided to run only primary sensors and disable secondary sensors & pump. Cast 65T - test cast, primary T, C, O2 & pump only on white & black conductors. Looked at sliprings but did not see any obvious problem. Test successful. Cast 65 - single sensors no problems at all Cast 66 - Fukushima seawater collected at 25m bottle 19 (should have tripped another for 20L; used remainder of bottle 18) and surface bottle 22. Pr offset adjusted by -0.05. Cast 69 - rough seas again Cast 70 -71 - moderate rollers Cast 73 - no nav file created - will create one from marker Cast 75 - big rollers, transmissometer failure 450-515m downcast. Cast 76 - big rollers, hard to hit target depths; transmissometer out at 500-515m Cast 77 - big rollers, hard to hit target depths; transmissometer out at 480-515m Cast 78 - big rollers, hard to hit target depths; transmissometer out at 480-515m Cast 79 - rough sunny weather; Windex bottle broke in wetlab (ammonia?); transmissometer okay Cast 80 - moderate seas; transmissometer dropped out ~450-515m downcast Cast 81 - Transmissometer spikes ~430-490m Cast 82 -84 - Transmissometer squirrely ~450-500m downcast; no spare (Goericke's spare uses older connector) Cast 85 - crossed lanyards on bottles #2-3 Cast 86 - 100 - 12 bottle casts, Leg II after 8 scientists disembarked in Santa Cruz/Monterey Cast 88 - 100 - Transmissometer squirrely ~400-515m downcast; no spare (Goericke's spare uses older connector) Cast 92 - moderate rollers File notes: Missing nav files created from mrk files: Cast 41, 62, & 73 Cast 09 - cast mislabeled 08 in hdr, hdr & hex files corrected using text & hex editors. 26Feb2015 / 16Aug2016(final update) / 08Mar2017 (CTD.csv file renaming; .asc file sensor-voltage relabeling) |
Please note that drifters were not deployed in numerical order ie 139476 was deployed 1st then 139477 139469 139470....
Refer to date, time, CalCOFI Line & Sta for launch sites. This table is an excerpt from CalCOFI's Cruise Event Log. Click [Read More] for deployment map
and drifter track as of 17 Feb 2015.
Cruise | Event# | CCLine | CCSta | DatePST | TimePST | Latitude | Longitude | Activity | Event | Operator | DateUTC | TimeUTC | Drifter# |
1501 | 517 | 86.7 | 70 | 23-Jan-15 | 09:55:36 | 32.6594 | -121.034 | Ancillary | DRIFTER DEPLOYED | JRW | 23-Jan-15 | 17:53:44 | 139476 - 1ST DRIFTER |
1501 | 537 | 86.7 | 90 | 23-Jan-15 | 21:18:06 | 31.99437 | -122.397 | Ancillary | DRIFTER DEPLOYED | JRW | 24-Jan-15 | 05:16:44 | 139477 |
1501 | 561 | 86.7 | 110 | 24-Jan-15 | 09:32:14 | 31.32323 | -123.746 | Ancillary | DRIFTER DEPLOYED | JLW | 24-Jan-15 | 17:29:29 | 139469 |
1501 | 807 | 76.7 | 100 | 28-Jan-15 | 16:51:58 | 33.38861 | -124.323 | Ancillary | DRIFTER DEPLOYED | AK | 29-Jan-15 | 00:50:29 | 139470 |
1501 | 816 | 76.7 | 90 | 28-Jan-15 | 23:01:23 | 33.7237 | -123.653 | Ancillary | DRIFTER DEPLOYED | AK | 29-Jan-15 | 06:59:59 | 139472 |
1501 | 826 | 76.7 | 80 | 29-Jan-15 | 05:29:29 | 34.05948 | -122.948 | Ancillary | DRIFTER DEPLOYED 139471 | RAJ | 29-Jan-15 | 13:27:59 | 139471 |
1501 | 843 | 76.7 | 70 | 29-Jan-15 | 12:05:51 | 34.3901 | -122.255 | Ancillary | DRIFTER DEPLOYED | SMM | 29-Jan-15 | 20:04:29 | 139468 |
1501 | 967 | 70.0 | 90 | 31-Jan-15 | 19:36:19 | 34.88646 | -124.479 | Ancillary | DRIFTER DEPLOYED | SMM | 01-Feb-15 | 03:34:59 | 139475 |
1501 | 60.0 | 80.0 | 05-Feb-15 | 11:30:00 | 36.39333 | -125.053 | Ancillar | DRIFTER DEPLOYED | SMM | 05-Feb-15 | 19:30:00 | 139473 | |
1501 | 1195 | 64.3 | 74.1 | 05-Feb-15 | 18:11:03 | 36.39848 | -124.083 | Ancillary | DRIFTER DEPLOYED | DAG | 06-Feb-15 | 02:09:44 | 139474 |