The selected Calculated Carbon Parameterwill be displayed and exported as -999! No data available? Insert -999 No suggestion for adjustment possible? Insert -888
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Selected region(s) for this cruise: Crossovers in BOTH: ATL + AMS
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These data are no good, too low and not enough data to suggest adjustment, seefile 06MT19979701.pdf, excerpt from Nordic Seas DIC paper on these data. Are Olsen, Bergen, 30 March 2009
Posted by Are Olsen on Mon Mar 30 09:20:46 +0200 2009 Edit
This cruise do not have any oxygen measurements (06MT19920322 did, but then wesplit it into thre independend cruises.Toste Tanhua,Kiel, 2008-07-25
Posted by Toste Tanhua on Fri Jul 25 16:26:08 +0200 2008 Edit
This cruise do not have any nutrient measurements (06MT19920322 did, but then wesplit it into thre independend cruises.Toste Tanhua,Kiel, 2008-07-25
Posted by Toste Tanhua on Fri Jul 25 16:25:46 +0200 2008 Edit
Posted by Toste Tanhua on Fri Jul 25 16:25:34 +0200 2008 Edit
Posted by Toste Tanhua on Fri Jul 25 16:25:21 +0200 2008 Edit
Most of the crossovers are close to 0, but the average is biased by a fewoutliers.The inversion suggest an adjustment of -0.7.Based on this, I suggest no adjustment.I also suggest to change the qualtiy to good, even though there is some scatterin the data. The larger scatter seen previously seems to be an effect of 3different cruises being treated as one.Toste Tanhua,Kiel, 2008-07-25
Posted by Toste Tanhua on Fri Jul 25 14:44:17 +0200 2008 Edit
The original cruise in the data base (06MT199203222) was split into threeindependent cruiseThis cruise is both in AMS and NA.The average of the offsets is -8, but is biased by two low values (Hudson 1992and a JH1995.The inversion suggest an adjustment of 2.8.Although it appears that the DIC values might be on the low side, there is notenough evidence to suggest an adjustment. Toste Tanhua,Kiel, 2008-07-25
Posted by Toste Tanhua on Fri Jul 25 14:38:59 +0200 2008 Edit
There are only few deep data south of the Scotland-Iceland ridge, and althoughthose seems to be high, there is certainly some uncertainty there. FOr instence,the cross over with the nearly synoptic A16N in 1993 show no offset. Further the cross overs to the Nordic Seas cruises show no offset.Based on this, I recommend no adjustment.Toste Tanhua,Kiel, 2008-07-25
Posted by Toste Tanhua on Fri Jul 25 14:24:35 +0200 2008 Edit
Druing the meeting in Paris it was decided that 06MT19920322 really was severallegs that deserved to be listed as different cruises (evident from, forinstance, salinity offsets).The new cruises are now:06MT19920701 NA+AMS06MT19920509 NA06MT19920316 NAFor the figures already uploaded to the website, they have all been moved to06MT19920701, since this cruise covers both NA and AMS region, but be aware thatthese plots can contain data from any of the 3 cruises listed above.
Posted by Toste Tanhua on Tue Jul 22 09:40:12 +0200 2008 Edit
The average of all cross-overs is 1.034 revealing that the cruise is higher inoxygen.The inversion suggests a downward adjustment of 0.969 (WDLSQ) and 0.965 (WLSQ).The cross-overs also suggests that this cruise needs a downward adjustment.However, this cruise has few deep data and the cross-overs has been computedsometimes with only 2 stations. I suggest an adjustment of 0.969 to the oxygen values.Zürich, 2008.06.10Ilaria Stendardo
Posted by Ilaria Stendardo on Tue Jun 10 16:43:57 +0200 2008 Edit
The average of all cross overs (manual) is -5.65. The average of all cross overs (automatic) is -3.52. Crossovers with core cruises only suggests offsets of -6.20(manual) and-0.16(automatic)Only few crossovers performed manually, therefore higher confidence in runningcluster results.Inversion results also suggest no adjustment (0.54 and -0.5 for WLSQ and WDLSQ,respectively).Automatic results and inversion fall within limits. Based on this I don't suggest any adjustment for the 06MT19920322 tco2 values.UEA-Norwich, 2008.05.30Pete Brown
Posted by Toste Tanhua on Tue Jun 10 10:46:18 +0200 2008 Edit
06MT19920322alkalinityThere are 11 xovers at latitude higher than 41N. The fitted offset wih them is-3.4.There are also another 5 xovers that covers all the section that suggest ahigher than +10 offset for this cruise.Surface data seems to be low comparing with GLODAP data.In general, the xovers seems very inconsistent and fully depends on the area ofthe cross section.This make very dificult to propose a good offset.Vigo 2008/06/09Fiz PerezAnton Velo--All xovers and output of inversions are refered on figure: "Report plot foradjustments"Real diff (Green dots) are the differences taken directly from xover routines.The complete segment of error bar represents the xover standard deviation.Yellow line stand for the offset calculated for this cruise.Black stars stand for the offset calculated for the others cruises in thexovers.Blue squares stand for the Fitted differences that would be obtained from thecalculated offsets (Yellow line - black stars)Red dots stand for the Residuals between the 'Real diff'(Green dots) and 'Fitteddiff' (Blue squares)c suffix in the upper X axis labels stand for Core Cruises.
Posted by Anton Velo on Tue Jun 10 09:08:46 +0200 2008 Edit
no offset towards 18HU19820228 in Nordic Seasoffset of about 0.02 in deep waters of the North East AtlanticReiner Steinfeldt05.06.2008
Posted by Reiner Steinfelt on Thu Jun 05 17:43:09 +0200 2008 Edit
The average of all cross overs is 0.937, suggesting that the silicate values aretoo low.The inversion suggest an upward adjustment (1.09 and 1.10, for WLSQ and WDSLQ,respectively).The cross over results vs. the core-cruises confirms that the silicate is toolow. Based on these evidence I suggest an adjustment of 1.10, in agreement with theinversion results.Kiel, 2008.04.08Toste Tanhua
Posted by Toste Tanhua on Wed Jun 04 20:36:24 +0200 2008 Edit
The average of all cross overs is 1.063, suggesting that the phosphate valuesare too high.The inversion suggest a downward adjustment (0.96 for both WLSQ and WDSLQ).The cross over results vs. the core-cruises confirms that the phosphate is high.Based on these evidence I suggest an adjustment of 0.96, in agreement with theinversion results.Kiel, 2008.04.08Toste Tanhua
Posted by Toste Tanhua on Wed Jun 04 20:35:43 +0200 2008 Edit
The average of all cross overs is 0.979, suggesting that the nitrate might be abit low.The inversion suggest an upward adjustment of 1.04 and 1.05 for WLSQ and WDSLQ,respectively.The cross over results vs. the core-cruises confirms that the nitrate is a bitlow. Based on these evidence I suggest an adjustment of 1.04, in agreement with theinversion results.Kiel, 2008.04.08Toste Tanhua
Posted by Toste Tanhua on Wed Jun 04 20:34:56 +0200 2008 Edit
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5/18/05 Initialized README file Data from Kozyr via CARINA site 5/11/04Ship and cruise designation: Meteor; 06MT21Cruise dates: 3/22 - 8/18/1992EXPOCODE: 06MT19920322287 stations with 12 place Rosette (many only have surface data)Chief Scientist: J. DuinkerHydro: Who - J. Duinker; Status - ???; S Plus - up to date Notes: Pressure approximated from depth Bottle and cast values fabricated Bottom depths from global topography 1 salt value flagged 3Nuts/O2: Who - ???; Status - ???; S Plus - up to date Notes: Includes some NH4 data 1 silicate value flagged 3TCO2: Who - Pegler; Status - ???; S Plus - up to date Notes: Method?, Precision? CRM? 5 values flagged 3 Deep TCO2 values north of Iceland ~15umol/kg lower than TTO for area Deep TCO2 values south of Iceland are comparable to GLODAP for areaTA: Who - Mintrop; Status - ???; S Plus - up to date Notes: Method?, Precision? 1 value flagged 3 Deep Alk values north of Iceland ~10umol/kg lower than TTO for area Deep Alk values south of Iceland are at least 5-8umol/kg lower than GLODAP for areafCO2: Who - ; Status - no data; S Plus - Notes: B. Schneider made underway pCO2 measurements. Data should be available from GERMAN JGOFS for leg 3 (5/9 - 6/2)pH25: Who - ; Status - no data; S Plus - Notes: CFC: Who - ; Status - no data; S Plus - Notes: C-14: Who - ; Status - no data; S Plus - Notes: C-13: Who - ; Status - no data; S Plus - Notes: H-3/He-3: Who - ; Status - no data; S Plus - Notes: Other:
5/18/05 Initialized README file Data from Kozyr via CARINA site 5/11/04Meteor cruise 06MT21/13/16 - 4/9/1992Las P)almas - DublinEXPOCODE: 06MT19920316140 stations with 12 place Rosette (many only have surface data - hi sta #'s)Chief Scientist - H. ThielHydro: Who - H. Thiel; Status - ???; S Plus - up to date Notes: Pressure approximated from depth Bottle and cast values fabricated Bottom depths from global topography 1 salt value flagged 3Nuts/O2: Who - ???; Status - ???; S Plus - up to date Notes: Includes some NH4 data 1 silicate value flagged 3TCO2: Who - Pegler; Status - ???; S Plus - up to date Notes: Method?, Precision? CRM? 5 values flagged 3 Deep TCO2 values north of Iceland ~15umol/kg lower than TTO for area Deep TCO2 values south of Iceland are comparable to GLODAP for areaTA: Who - Mintrop; Status - ???; S Plus - up to date Notes: Method?, Precision? 1 value flagged 3 Deep Alk values north of Iceland ~10umol/kg lower than TTO for area Deep Alk values south of Iceland are at least 5-8umol/kg lower than GLODAP for areafCO2: Who - ; Status - no data; S Plus - Notes: B. Schneider made underway pCO2 measurements. Data should be available from GERMAN JGOFS for leg 3 (5/9 - 6/2)pH25: Who - ; Status - no data; S Plus - Notes: CFC: Who - ; Status - no data; S Plus - Notes: C-14: Who - ; Status - no data; S Plus - Notes: C-13: Who - ; Status - no data; S Plus - Notes: H-3/He-3: Who - ; Status - no data; S Plus - Notes: Other:
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[Copy of salinity plot for crossover: 58JH19921105 / 06MT19920701!]; [autogenerated from running_cluster_toste/salinity!]
[Copy of salinity plot for crossover: 316N20020530 / 06MT19920701!]; [autogenerated from running_cluster_toste/salinity!]
[Copy of salinity plot for crossover: 18HU19820228 / 06MT19920701!]; [autogenerated from running_cluster_toste/salinity!]
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excerpt from Nordic Seas DIC paper on these data
IIM-CSIC inversions result plot
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