Cruise: 49UF20190424 (dataset:GLODAPv2.2022) Data product: GLODAPv2.2022, v2.2023 Successor: GLODAPv3
Synonyms (including errata!) for this cruise: 49UF20190424; 49UF20190424
IMPORTANT information for GLODAP Reference Group Editors: This adjustment version is immutable and published in GLODAPv2.2022! Click here to switch to new version (GLODAPv2.2022)
Please wait while loading list of related files

| Filename: | Comment: | Action | |
|---|---|---|---|
| 49UF20190424___TSmap.png | View | ||
| co2_comparison_49UF20190424_unadj.png | View | ||

| Filename: | Comment: | Action | |
|---|---|---|---|
| Weighted_Mean_Results.xlsx | |||
Plot/Data files re. Parameter(s) (select parameter on left side to view!):
alkalinity:7
cruise:3
oxygen:15
ph:7
phosphate:14
salinity:15
silicate:14
tco2:6


| Filename: | Comment: | Action | |
|---|---|---|---|
| 325019850330_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20040421_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20120429_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20130107_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20170612_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20150627_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20160703_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20170107_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/salinity!] |
View | |

View comment(s) (filtered by salinity in subject)
GLODAPv3 release: autogenerated salinity update for 49UF20190424
GLODAPv3 release: salinity update of 49UF20190424 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: 0.0013; preadjustment: 0;
offsets_raw: -0.0015; offsets_preadj: -0.0013; offsets_preadj_u: 0.0006;
offsets_post: -0.0011; offsets_post_u: 0.0004; offsets_post_rt: -0.0015;
numberofxovers: 122; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:47 UTC for data product: GLODAPv3
49UF20190424 - salinity
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:04 UTC for data product: GLODAPv2.2022, v2.2023



| Filename: | Comment: | Action | |
|---|---|---|---|
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UF20160201_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP20130731_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/tco2!] |
View | |

View comment(s) (filtered by tco2 in subject)
GLODAPv3 release: autogenerated tco2 update for 49UF20190424
GLODAPv3 release: tco2 update of 49UF20190424 based on tco2_offset: 0.0;
inversion: 0.0; inversion_full: 0.4; preadjustment: 0; offsets_raw: -0.9;
offsets_preadj: -1.0; offsets_preadj_u: 0.3; offsets_post: -0.8; offsets_post_u:
0.3; offsets_post_rt: -0.7; numberofxovers: 50; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:17 UTC for data product: GLODAPv3
49UF20190424 - tco2
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:08 UTC for data product: GLODAPv2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49UF20160201_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49UP20130731_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/alkalinity!] |
View | |

View comment(s) (filtered by alkalinity in subject)
GLODAPv3 release: autogenerated alkalinity update for 49UF20190424
GLODAPv3 release: alkalinity update of 49UF20190424 based on alkalinity_offset:
0.0; inversion: 0.0; inversion_full: 0.2; preadjustment: 0; offsets_raw: 0.2;
offsets_preadj: 0.3; offsets_preadj_u: 0.5; offsets_post: -0.1; offsets_post_u:
0.3; offsets_post_rt: -0.1; numberofxovers: 48; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:30 UTC for data product: GLODAPv3
49UF20190424 - alkalinity
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:13 UTC for data product: GLODAPv2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UF20160201_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UP20130731_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/ph!] |
View | |

View comment(s) (filtered by ph in subject)
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:47 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 49UF20190424
GLODAPv3 release: phosphate update of 49UF20190424 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: -0.2;
offsets_preadj: 0.0; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: -0.0; numberofxovers: 118; trends_pre: -0.0; trends_adj:
-0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:32 UTC for data product: GLODAPv3
49UF20190424 - phosphate
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:18 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - ph
All sign crossovers show a clear offset of at least 0.01, i.e. above the "low"
ph limit. CANYON_B and CONTENT analyses support this offset. Adjust accordingly
downward.
Posted by nlange@geomar.de on 2022-04-22 17:14:18 UTC for data product: GLODAPv2.2022, v2.2023




View comment(s) (filtered by nitrate in subject)
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for nitrate_offset from percent
to factor: -999.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:22 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 49UF20190424
GLODAPv3 release: nitrate update of 49UF20190424 based on nitrate_offset:
-999.0; inversion: NaN; inversion_full: NaN; preadjustment: NaN; offsets_raw:
NaN; offsets_preadj: NaN; offsets_preadj_u: NaN; offsets_post: NaN;
offsets_post_u: NaN; offsets_post_rt: NaN; numberofxovers: NaN; trends_pre: NaN;
trends_adj: NaN.
Posted by nlange@geomar.de on 2026-08-04 17:11:06 UTC for data product: GLODAPv3
49UF20190424 - nitrate
All data flagged questionable (1st QC)
Posted by nlange@geomar.de on 2022-04-22 17:14:59 UTC for data product: GLODAPv2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 325019850330_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20120429_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20130107_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20170612_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20150627_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20160703_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20170107_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/phosphate!] |
View | |

View comment(s) (filtered by phosphate in subject)
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:47 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 49UF20190424
GLODAPv3 release: phosphate update of 49UF20190424 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: -0.2;
offsets_preadj: 0.0; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: -0.0; numberofxovers: 118; trends_pre: -0.0; trends_adj:
-0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:32 UTC for data product: GLODAPv3
49UF20190424 - phosphate
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:18 UTC for data product: GLODAPv2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 325019850330_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20120429_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20130107_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20170612_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20100417_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20150627_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20160703_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20170107_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/silicate!] |
View | |

View comment(s) (filtered by silicate in subject)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 0.988.
Posted by nlange@geomar.de on 2026-08-05 16:38:01 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 49UF20190424[1-last] based on
silicate_offset: -1.2; inversion: -0.2; inversion_full: -0.2; preadjustment: -1;
offsets_raw: -0.3; offsets_preadj: 0.0; offsets_preadj_u: 0.2; offsets_post:
0.0; offsets_post_u: 0.1; offsets_post_rt: -0.3; numberofxovers: 111;
trends_pre: -0.1; trends_adj: -0.1.
Posted by nlange@geomar.de on 2026-08-05 14:17:31 UTC for data product: GLODAPv3
49UF20190424 - silicate
All crossovers (but 49UP20100417) indicate 1% too high concentrations. Given
that the precision is very high for all cruises, i.e. low standard deviations,
and that there is a strong agreement and that it is strongly supported by the
CANYON_B comparison, I can see this as a potential adjustment within the limit.
However, almost all new JMA cruises show this offset?!
Posted by nlange@geomar.de on 2022-04-22 17:14:47 UTC for data product: GLODAPv2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 325019850330_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20040421_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20120429_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20130107_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20150202_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20170612_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20180518_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20150627_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20160703_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20170107_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20171125_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/oxygen!] |
View | |

View comment(s) (filtered by oxygen in subject)
GLODAPv3 release: converted value for oxygen_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for oxygen_offset from percent
to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:34 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 49UF20190424
GLODAPv3 release: oxygen update of 49UF20190424 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: 0.2;
offsets_preadj: 0.2; offsets_preadj_u: 0.3; offsets_post: 0.2; offsets_post_u:
0.2; offsets_post_rt: 0.2; numberofxovers: 116; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:19 UTC for data product: GLODAPv3
49UF20190424 - oxygen
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:42 UTC for data product: GLODAPv2.2022, v2.2023














View 29 comment(s) (Lists all comments)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 0.988.
Posted by nlange@geomar.de on 2026-08-05 16:38:01 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:47 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for oxygen_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for oxygen_offset from percent
to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:34 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for nitrate_offset from percent
to factor: -999.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:22 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 49UF20190424[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 49UF20190424[1-last] based on
silicate_offset: -1.2; inversion: -0.2; inversion_full: -0.2; preadjustment: -1;
offsets_raw: -0.3; offsets_preadj: 0.0; offsets_preadj_u: 0.2; offsets_post:
0.0; offsets_post_u: 0.1; offsets_post_rt: -0.3; numberofxovers: 111;
trends_pre: -0.1; trends_adj: -0.1.
Posted by nlange@geomar.de on 2026-08-05 14:17:31 UTC for data product: GLODAPv3
49UF20190424[1-last] GLODAPv3 release
GLODAPv3 release: silicate autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-05 14:17:31 UTC for data product: GLODAPv3
GLODAPv3 release: temperature added as NEW adjustment parameter to 49UF20190424[1-last]
Automated addition of temperature as NEW parameter to 49UF20190424[1-last] based
on temperature_offset: 0.
Posted by nlange@geomar.de on 2026-08-05 14:17:17 UTC for data product: GLODAPv3
49UF20190424[1-last] GLODAPv3 release
Automated addition of temperature as NEW adjustment parameter in GLODAPv3 to
49UF20190424[1-last] - select parameter to view annotation with specific
details.
Posted by nlange@geomar.de on 2026-08-05 14:17:17 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated tco2 update for 49UF20190424
GLODAPv3 release: tco2 update of 49UF20190424 based on tco2_offset: 0.0;
inversion: 0.0; inversion_full: 0.4; preadjustment: 0; offsets_raw: -0.9;
offsets_preadj: -1.0; offsets_preadj_u: 0.3; offsets_post: -0.8; offsets_post_u:
0.3; offsets_post_rt: -0.7; numberofxovers: 50; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:17 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: tco2 autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:12:17 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated salinity update for 49UF20190424
GLODAPv3 release: salinity update of 49UF20190424 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: 0.0013; preadjustment: 0;
offsets_raw: -0.0015; offsets_preadj: -0.0013; offsets_preadj_u: 0.0006;
offsets_post: -0.0011; offsets_post_u: 0.0004; offsets_post_rt: -0.0015;
numberofxovers: 122; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:47 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: salinity autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:47 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 49UF20190424
GLODAPv3 release: phosphate update of 49UF20190424 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: -0.2;
offsets_preadj: 0.0; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: -0.0; numberofxovers: 118; trends_pre: -0.0; trends_adj:
-0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:32 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: phosphate autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:32 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 49UF20190424
GLODAPv3 release: oxygen update of 49UF20190424 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: 0.2;
offsets_preadj: 0.2; offsets_preadj_u: 0.3; offsets_post: 0.2; offsets_post_u:
0.2; offsets_post_rt: 0.2; numberofxovers: 116; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:19 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: oxygen autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:19 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 49UF20190424
GLODAPv3 release: nitrate update of 49UF20190424 based on nitrate_offset:
-999.0; inversion: NaN; inversion_full: NaN; preadjustment: NaN; offsets_raw:
NaN; offsets_preadj: NaN; offsets_preadj_u: NaN; offsets_post: NaN;
offsets_post_u: NaN; offsets_post_rt: NaN; numberofxovers: NaN; trends_pre: NaN;
trends_adj: NaN.
Posted by nlange@geomar.de on 2026-08-04 17:11:06 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: nitrate autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:06 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated alkalinity update for 49UF20190424
GLODAPv3 release: alkalinity update of 49UF20190424 based on alkalinity_offset:
0.0; inversion: 0.0; inversion_full: 0.2; preadjustment: 0; offsets_raw: 0.2;
offsets_preadj: 0.3; offsets_preadj_u: 0.5; offsets_post: -0.1; offsets_post_u:
0.3; offsets_post_rt: -0.1; numberofxovers: 48; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:30 UTC for data product: GLODAPv3
49UF20190424 GLODAPv3 release
GLODAPv3 release: alkalinity autogenerated adjustment parameter update for
49UF20190424 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 13:46:30 UTC for data product: GLODAPv3
49UF20190424 - oxygen
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:42 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - phosphate
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:18 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - alkalinity
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:13 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - tco2
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:08 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - salinity
Maintain.
Posted by nlange@geomar.de on 2022-04-22 17:15:04 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - nitrate
All data flagged questionable (1st QC)
Posted by nlange@geomar.de on 2022-04-22 17:14:59 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - silicate
All crossovers (but 49UP20100417) indicate 1% too high concentrations. Given
that the precision is very high for all cruises, i.e. low standard deviations,
and that there is a strong agreement and that it is strongly supported by the
CANYON_B comparison, I can see this as a potential adjustment within the limit.
However, almost all new JMA cruises show this offset?!
Posted by nlange@geomar.de on 2022-04-22 17:14:47 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - ph
All sign crossovers show a clear offset of at least 0.01, i.e. above the "low"
ph limit. CANYON_B and CONTENT analyses support this offset. Adjust accordingly
downward.
Posted by nlange@geomar.de on 2022-04-22 17:14:18 UTC for data product: GLODAPv2.2022, v2.2023
49UF20190424 - initialized
original: 49UF20190424; Keifu Maru II; NAGAI, Naoki
Posted by nlange@geomar.de on 2022-04-19 16:28:43 UTC for data product: GLODAPv2.2022, v2.2023
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