Cruise: 49UF20090116 (dataset:GLODAPv2.2019) Data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023 Successor: GLODAPv3
Synonyms (including errata!) for this cruise: ks200901; ks200901; 49UF20090116; non-GO-SHIP but on GO-SHIP line:P09;
IMPORTANT information for GLODAP Reference Group Editors: This adjustment version is immutable and published in GLODAPv2.2019! Click here to switch to new version (GLODAPv2.2019)
Please wait while loading list of related files

| Filename: | Comment: | Action | |
|---|---|---|---|
| Redfield.png | View | ||

Plot/Data files re. Parameter(s) (select parameter on left side to view!):
cruise:1
nitrate:16
oxygen:16
ph:3
phosphate:16
salinity:17
silicate:13
tco2:9


| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 325019931005_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 32MW19890206_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 33RR20050617_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49EW19940115_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49NZ20050525_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 | |
| 49RY19951115_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20040120_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20070424_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UF20080422_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20010619_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49UP20100706_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 49UF20090116
GLODAPv3 release: salinity update of 49UF20090116 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: -0.0002; preadjustment: 0;
offsets_raw: 0.0003; offsets_preadj: 0.0003; offsets_preadj_u: 0.0006;
offsets_post: 0.0003; offsets_post_u: 0.0005; offsets_post_rt: 0.0003;
numberofxovers: 163; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:46 UTC for data product: GLODAPv3
49UF20090116 - salinity
The more trustworthy crossovers indicate accurate data, e.g. RY1995, NZ200510.
The higher offsets result mostly from bad comparisons, e.g. NZ200505. Note that
the area around the shorter leg shows greater variability, i.e. larger and more
variable offsets, e.g. RR2005 versus UP200106. All in all, maintain.
Posted by nlange@geomar.de on 2018-09-06 10:24:36 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023



| Filename: | Comment: | Action | |
|---|---|---|---|
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UF20070117_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UF20071023_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP19970121_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP20000620_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP20060630_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49UP20100706_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 49UF20090116
GLODAPv3 release: tco2 update of 49UF20090116 based on tco2_offset: 0.0;
inversion: 0.0; inversion_full: 1.7; preadjustment: 0; offsets_raw: -0.6;
offsets_preadj: -0.4; offsets_preadj_u: 0.6; offsets_post: -1.5; offsets_post_u:
0.3; offsets_post_rt: -1.5; numberofxovers: 55; trends_pre: 0.2; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:16 UTC for data product: GLODAPv3
49UF20090116 - tco2
Only shallow data given, resulting crossovers with large uncertainty. Data seems
ok though. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:26:22 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023


View comment(s) (filtered by alkalinity in subject)
GLODAPv3 release: autogenerated alkalinity update for 49UF20090116
GLODAPv3 release: alkalinity update of 49UF20090116 based on alkalinity_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 13:46:30 UTC for data product: GLODAPv3

| Filename: | Comment: | Action | |
|---|---|---|---|
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49UP20100706_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 49UF20090116[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 49UF20090116
GLODAPv3 release: phosphate update of 49UF20090116 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: 0.1;
offsets_preadj: 0.1; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: 0.1; numberofxovers: 165; 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
49UF20090116 - ph
Only shallow data given, resulting in only two significant crossovers with
extreme uncertainty. Data seems ok and consistent with the other carbon
parameters (check type 3) but a full 2nd QC is not possible.
Posted by nlange@geomar.de on 2018-09-06 10:25:30 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - phosphate
The great majority of the crossover offsets falls within the 2% range. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:23:28 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023



| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325019931005_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 32MW19890206_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49HG19990804_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49RY19940707_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49RY19951115_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UF20020625_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UF20030625_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UF20050419_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UF20080422_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UP20041021_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49UP20100706_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| Xresults.png | [autogenerated from RC_Nico/nitrate!] |
View | |

View comment(s) (filtered by nitrate in subject)
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for nitrate_offset from percent
to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:22 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 49UF20090116
GLODAPv3 release: nitrate update of 49UF20090116 based on nitrate_offset: 0.0;
inversion: 0.0; inversion_full: -0.2; preadjustment: 0; offsets_raw: 0.3;
offsets_preadj: 0.3; offsets_preadj_u: 0.1; offsets_post: 0.3; offsets_post_u:
0.0; offsets_post_rt: 0.3; numberofxovers: 165; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:05 UTC for data product: GLODAPv3
49UF20090116 - nitrate
All of the 57(!) offsets are within the acceptable range. Crossovers exist for
both legs of the cruise, too. The data appears to be very accurate for all
depths. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:23:00 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325019931005_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 32MW19890206_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49HG19990804_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 | |
| 49RY19951115_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20020625_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20030625_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20050419_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UF20080422_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20041021_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49UP20100706_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 49UF20090116[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 49UF20090116
GLODAPv3 release: phosphate update of 49UF20090116 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: 0.1;
offsets_preadj: 0.1; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: 0.1; numberofxovers: 165; 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
49UF20090116 - phosphate
The great majority of the crossover offsets falls within the 2% range. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:23:28 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 325019931005_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 32MW19890206_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49HG19971110_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 | |
| 49RY19951115_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20070424_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UF20080422_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20041021_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49UP20100706_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 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 1.016.
Posted by nlange@geomar.de on 2026-08-05 16:38:01 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 49UF20090116[1-last] based on
silicate_offset: 1.6; inversion: -0.4; inversion_full: -0.3; preadjustment: 2;
offsets_raw: 0.4; offsets_preadj: 0.3; offsets_preadj_u: 0.2; offsets_post: 0.0;
offsets_post_u: 0.1; offsets_post_rt: 0.1; numberofxovers: 151; trends_pre:
-0.0; trends_adj: -0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:30 UTC for data product: GLODAPv3
49UF20090116 - silicate
The majority of the crossovers indicates that the data might be 1% low. That is
also reflected in the total weighted mean. However, there are still 6 (44 in
total) quite trustworthy crossovers which have a smaller offset, e.g. UF2007.
Also taken the relatively large standard deviations into account, there is not
enough evidence for an adjustment. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:25:06 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 325019931005_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 32MW19890206_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49EW19940115_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49HG19971110_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49HG19990804_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 | |
| 49RY19951115_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20030625_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20070424_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UF20080422_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20041021_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20080122_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49UP20100706_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 49UF20090116[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 49UF20090116
GLODAPv3 release: oxygen update of 49UF20090116 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.4; preadjustment: 0; offsets_raw: 0.4;
offsets_preadj: 0.2; offsets_preadj_u: 0.2; offsets_post: 0.3; offsets_post_u:
0.1; offsets_post_rt: 0.4; numberofxovers: 160; trends_pre: -0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:18 UTC for data product: GLODAPv3
49UF20090116 - oxygen
Many crossovers with questionable quality - too far away stations and/or too
shallow data. Even very small distances can result in large offsets, e.g.
49EW1994. This is also reflected in the scattery character of the data, most
visible in the shorter leg profiles. However, looking at the individual profiles
I can not determine a striking offset. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:18:48 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023














View 28 comment(s) (Lists all comments)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 1.016.
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 49UF20090116[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 49UF20090116[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 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for nitrate_offset from percent
to factor: 1.0.
Posted by nlange@geomar.de on 2026-08-05 16:37:22 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 49UF20090116[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 49UF20090116[1-last] based on
silicate_offset: 1.6; inversion: -0.4; inversion_full: -0.3; preadjustment: 2;
offsets_raw: 0.4; offsets_preadj: 0.3; offsets_preadj_u: 0.2; offsets_post: 0.0;
offsets_post_u: 0.1; offsets_post_rt: 0.1; numberofxovers: 151; trends_pre:
-0.0; trends_adj: -0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:30 UTC for data product: GLODAPv3
49UF20090116[1-last] GLODAPv3 release
GLODAPv3 release: silicate autogenerated adjustment parameter update for
49UF20090116 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-05 14:17:30 UTC for data product: GLODAPv3
GLODAPv3 release: temperature added as NEW adjustment parameter to 49UF20090116[1-last]
Automated addition of temperature as NEW parameter to 49UF20090116[1-last] based
on temperature_offset: 0.
Posted by nlange@geomar.de on 2026-08-05 14:17:16 UTC for data product: GLODAPv3
49UF20090116[1-last] GLODAPv3 release
Automated addition of temperature as NEW adjustment parameter in GLODAPv3 to
49UF20090116[1-last] - select parameter to view annotation with specific
details.
Posted by nlange@geomar.de on 2026-08-05 14:17:16 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated tco2 update for 49UF20090116
GLODAPv3 release: tco2 update of 49UF20090116 based on tco2_offset: 0.0;
inversion: 0.0; inversion_full: 1.7; preadjustment: 0; offsets_raw: -0.6;
offsets_preadj: -0.4; offsets_preadj_u: 0.6; offsets_post: -1.5; offsets_post_u:
0.3; offsets_post_rt: -1.5; numberofxovers: 55; trends_pre: 0.2; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:16 UTC for data product: GLODAPv3
49UF20090116 GLODAPv3 release
GLODAPv3 release: tco2 autogenerated adjustment parameter update for
49UF20090116 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:12:16 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated salinity update for 49UF20090116
GLODAPv3 release: salinity update of 49UF20090116 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: -0.0002; preadjustment: 0;
offsets_raw: 0.0003; offsets_preadj: 0.0003; offsets_preadj_u: 0.0006;
offsets_post: 0.0003; offsets_post_u: 0.0005; offsets_post_rt: 0.0003;
numberofxovers: 163; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:46 UTC for data product: GLODAPv3
49UF20090116 GLODAPv3 release
GLODAPv3 release: salinity autogenerated adjustment parameter update for
49UF20090116 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:46 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 49UF20090116
GLODAPv3 release: phosphate update of 49UF20090116 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw: 0.1;
offsets_preadj: 0.1; offsets_preadj_u: 0.1; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: 0.1; numberofxovers: 165; 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
49UF20090116 GLODAPv3 release
GLODAPv3 release: phosphate autogenerated adjustment parameter update for
49UF20090116 - 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 49UF20090116
GLODAPv3 release: oxygen update of 49UF20090116 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.4; preadjustment: 0; offsets_raw: 0.4;
offsets_preadj: 0.2; offsets_preadj_u: 0.2; offsets_post: 0.3; offsets_post_u:
0.1; offsets_post_rt: 0.4; numberofxovers: 160; trends_pre: -0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:18 UTC for data product: GLODAPv3
49UF20090116 GLODAPv3 release
GLODAPv3 release: oxygen autogenerated adjustment parameter update for
49UF20090116 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:18 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 49UF20090116
GLODAPv3 release: nitrate update of 49UF20090116 based on nitrate_offset: 0.0;
inversion: 0.0; inversion_full: -0.2; preadjustment: 0; offsets_raw: 0.3;
offsets_preadj: 0.3; offsets_preadj_u: 0.1; offsets_post: 0.3; offsets_post_u:
0.0; offsets_post_rt: 0.3; numberofxovers: 165; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:05 UTC for data product: GLODAPv3
49UF20090116 GLODAPv3 release
GLODAPv3 release: nitrate autogenerated adjustment parameter update for
49UF20090116 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:05 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated alkalinity update for 49UF20090116
GLODAPv3 release: alkalinity update of 49UF20090116 based on alkalinity_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 13:46:30 UTC for data product: GLODAPv3
49UF20090116 GLODAPv3 release
GLODAPv3 release: alkalinity autogenerated adjustment parameter update for
49UF20090116 - 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
49UF20090116 - tco2
Only shallow data given, resulting crossovers with large uncertainty. Data seems
ok though. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:26:22 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - ph
Only shallow data given, resulting in only two significant crossovers with
extreme uncertainty. Data seems ok and consistent with the other carbon
parameters (check type 3) but a full 2nd QC is not possible.
Posted by nlange@geomar.de on 2018-09-06 10:25:30 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - silicate
The majority of the crossovers indicates that the data might be 1% low. That is
also reflected in the total weighted mean. However, there are still 6 (44 in
total) quite trustworthy crossovers which have a smaller offset, e.g. UF2007.
Also taken the relatively large standard deviations into account, there is not
enough evidence for an adjustment. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:25:06 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - salinity
The more trustworthy crossovers indicate accurate data, e.g. RY1995, NZ200510.
The higher offsets result mostly from bad comparisons, e.g. NZ200505. Note that
the area around the shorter leg shows greater variability, i.e. larger and more
variable offsets, e.g. RR2005 versus UP200106. All in all, maintain.
Posted by nlange@geomar.de on 2018-09-06 10:24:36 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - phosphate
The great majority of the crossover offsets falls within the 2% range. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:23:28 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - nitrate
All of the 57(!) offsets are within the acceptable range. Crossovers exist for
both legs of the cruise, too. The data appears to be very accurate for all
depths. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:23:00 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - oxygen
Many crossovers with questionable quality - too far away stations and/or too
shallow data. Even very small distances can result in large offsets, e.g.
49EW1994. This is also reflected in the scattery character of the data, most
visible in the shorter leg profiles. However, looking at the individual profiles
I can not determine a striking offset. Maintain.
Posted by nlange@geomar.de on 2018-09-06 10:18:48 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
49UF20090116 - initialized
non-GO-SHIP but on GO-SHIP line:P09; Carbon PI:Shiya Minato; Hydrography
PI:Tatsushi Shiga; Oxygen PI:Tatsushi Shiga; Nutrients PI:Tatsushi Shiga;
Organic PI:Hidekazu Matsueda; Carbon Isotope PI:Hidekazu Matsueda
Posted by nlange@geomar.de on 2018-09-04 08:19:33 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021, v2.2022, v2.2023
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