Cruise: 33RO20150525 (dataset:GLODAPv2.2019) Data product: GLODAPv2.2019, v2.2020, v2.2021 Successor: GLODAPv2.2022, v2.2023
Synonyms (including errata!) for this cruise: P16N; 33RO20150525; alias: P16N.2015.1; 33RO20150525; P16N/2;
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 | ||
| tracer.png | View | ||

Plot/Data files re. Parameter(s) (select parameter on left side to view!):
alkalinity:9
cfc11:1
cfc12:1
cruise:2
nitrate:13
oxygen:9
ph:8
phosphate:13
salinity:11
silicate:12
tco2:8


| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M19730822_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 318M20040615_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 31WT19840504_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 325019850330_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 492S19931014_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/salinity!] |
View | |
| 49NZ20070724_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 33RO20150525
GLODAPv3 release: salinity update of 33RO20150525 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: -0.0005; preadjustment: 0;
offsets_raw: 0.0010; offsets_preadj: 0.0009; offsets_preadj_u: 0.0005;
offsets_post: 0.0007; offsets_post_u: 0.0004; offsets_post_rt: 0.0009;
numberofxovers: 23; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:43 UTC for data product: GLODAPv3
33RO20150525 - salinity
All crossovers show offsets clearly within the acceptable range being centered
more or less around 0. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:19:39 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021



| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/tco2!] |
View | |
| 49NZ20070724_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 33RO20150525
GLODAPv3 release: tco2 update of 33RO20150525 based on tco2_offset: 2.6;
inversion: 2.6; inversion_full: 2.9; preadjustment: 0; offsets_raw: -1.6;
offsets_preadj: -1.8; offsets_preadj_u: 0.6; offsets_post: -0.0; offsets_post_u:
0.4; offsets_post_rt: 0.4; numberofxovers: 14; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:13 UTC for data product: GLODAPv3
33RO20150525 - tco2
All offsets close to zero (centered around -1) - thus clearly within the
acceptable range. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:20:44 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 325019930515_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/alkalinity!] |
View | |
| 49NZ20070724_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 33RO20150525
GLODAPv3 release: alkalinity update of 33RO20150525 based on alkalinity_offset:
0.0; inversion: 0.0; inversion_full: 1.4; preadjustment: 0; offsets_raw: -1.7;
offsets_preadj: -0.9; offsets_preadj_u: 0.8; offsets_post: -1.5; offsets_post_u:
0.5; offsets_post_rt: -1.9; numberofxovers: 14; trends_pre: -0.2; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:27 UTC for data product: GLODAPv3
33RO20150525 - alkalinity
There is quite large variability among the offsets with 49NZ2005 being the only
one having a postive offset. Nonetheless, not enough evidence to support an
adjustment.
Posted by nlange@geomar.de on 2018-06-05 13:22:09 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/ph!] |
View | |
| 49NZ20070724_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 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.02.
Posted by nlange@geomar.de on 2026-08-05 16:37:43 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 33RO20150525
GLODAPv3 release: phosphate update of 33RO20150525 based on phosphate_offset:
2.0; inversion: 2.0; inversion_full: 1.7; preadjustment: 0; offsets_raw: -2.1;
offsets_preadj: -2.0; offsets_preadj_u: 0.3; offsets_post: 0.0; offsets_post_u:
0.3; offsets_post_rt: -0.1; numberofxovers: 21; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:29 UTC for data product: GLODAPv3
33RO20150525 - ph
The interconsistency check (type 2) supports the upward adjustment (offset
-0.014).
Posted by nlange@geomar.de on 2018-07-27 11:32:16 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - ph
All crossovers but 49NZ2001 show relatively consistent offset around -0.015.
49NZ2001 itself might be adjusted too much to keep interconsitency… Adjust
upward.
Posted by nlange@geomar.de on 2018-06-05 13:33:20 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - phosphate
All crossovers, but 32501985 clearly indicate too low (2%) concentrations. This
offset is consistent in space (3D) and time. The good agreement serves as nice
evidence for a small upward adjustment.
Posted by nlange@geomar.de on 2018-06-05 13:28:11 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021



| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 31WT19840504_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325019850330_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325019850804_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325019930515_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49NZ19990823_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/nitrate!] |
View | |
| 49NZ20070724_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 33RO20150525[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 16:37:19 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 33RO20150525
GLODAPv3 release: nitrate update of 33RO20150525 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: 0.2; offsets_post: -0.2; offsets_post_u:
0.2; offsets_post_rt: -0.3; numberofxovers: 23; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:02 UTC for data product: GLODAPv3
33RO20150525 - nitrate
All offsets - but the one of 318M2004 - show values
smaller 1%. This cruise seems to fit right in. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:26:00 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 31WT19840504_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325019850330_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325019850804_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325019930515_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 325020080826_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49NZ19990823_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/phosphate!] |
View | |
| 49NZ20070724_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 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.02.
Posted by nlange@geomar.de on 2026-08-05 16:37:43 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 33RO20150525
GLODAPv3 release: phosphate update of 33RO20150525 based on phosphate_offset:
2.0; inversion: 2.0; inversion_full: 1.7; preadjustment: 0; offsets_raw: -2.1;
offsets_preadj: -2.0; offsets_preadj_u: 0.3; offsets_post: 0.0; offsets_post_u:
0.3; offsets_post_rt: -0.1; numberofxovers: 21; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:29 UTC for data product: GLODAPv3
33RO20150525 - phosphate
All crossovers, but 32501985 clearly indicate too low (2%) concentrations. This
offset is consistent in space (3D) and time. The good agreement serves as nice
evidence for a small upward adjustment.
Posted by nlange@geomar.de on 2018-06-05 13:28:11 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 31WT19840504_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 325019850330_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 325019850804_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 325019930515_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 325020060213_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49NZ19990823_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/silicate!] |
View | |
| 49NZ20070724_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 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 1.019.
Posted by nlange@geomar.de on 2026-08-05 16:37:57 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 33RO20150525[1-last] based on
silicate_offset: 1.9; inversion: 1.9; inversion_full: 1.8; preadjustment: 0;
offsets_raw: -2.5; offsets_preadj: -2.1; offsets_preadj_u: 0.5; offsets_post:
-0.0; offsets_post_u: 0.3; offsets_post_rt: -0.3; numberofxovers: 22;
trends_pre: -0.1; trends_adj: -0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:27 UTC for data product: GLODAPv3
33RO20150525 - silicate
The weighted mean offset is at the lower limit. Further, 49NZ2007 (being listed
as excellent) shows a 1% offset. Only 32501985 shows no strong offset. Adjust
upward.
Posted by nlange@geomar.de on 2018-06-05 13:31:31 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 318M20040615_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 31DS19910307_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 31WT19840504_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 492S19931014_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49NZ19990823_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49NZ20010723_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49NZ20051031_Xover.png | [autogenerated from RC_Nico/oxygen!] |
View | |
| 49NZ20070724_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 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for oxygen_offset from percent
to factor: 1.005.
Posted by nlange@geomar.de on 2026-08-05 16:37:31 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 33RO20150525
GLODAPv3 release: oxygen update of 33RO20150525 based on oxygen_offset: 0.5;
inversion: 0.5; inversion_full: 0.6; preadjustment: 0; offsets_raw: -1.1;
offsets_preadj: -0.5; offsets_preadj_u: 0.2; offsets_post: -0.0; offsets_post_u:
0.1; offsets_post_rt: -0.4; numberofxovers: 23; trends_pre: -0.1; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:15 UTC for data product: GLODAPv3
33RO20150525 - oxygen
There seems to be a temporal trend towards oxygen richer water.
There is a nice fit with 32502008 (received no adjustment) and most recent
cruises do not support an adjustment. Thus, "neglect" weighted mean Offset being
slightly lower than 0.99 and maintain.
Posted by nlange@geomar.de on 2018-06-05 13:24:35 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021



View comment(s) (filtered by cfc12 in subject)
33RO20150525 - cfc12
All profiles indicate oversaturation, as does the total mean of 1.05. Adjust
downward.
Posted by nlange@geomar.de on 2018-06-05 13:35:03 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

View comment(s) (filtered by cfc11 in subject)
33RO20150525 - cfc11
All profiles indicate oversaturation, as does the total mean of 1.08. Adjust
downward.
Posted by nlange@geomar.de on 2018-06-05 13:34:51 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021








View 31 comment(s) (Lists all comments)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 1.019.
Posted by nlange@geomar.de on 2026-08-05 16:37:57 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: 1.02.
Posted by nlange@geomar.de on 2026-08-05 16:37:43 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for oxygen_offset from percent to factor for 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - converted value for oxygen_offset from percent
to factor: 1.005.
Posted by nlange@geomar.de on 2026-08-05 16:37:31 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 33RO20150525[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 16:37:19 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 33RO20150525[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 33RO20150525[1-last] based on
silicate_offset: 1.9; inversion: 1.9; inversion_full: 1.8; preadjustment: 0;
offsets_raw: -2.5; offsets_preadj: -2.1; offsets_preadj_u: 0.5; offsets_post:
-0.0; offsets_post_u: 0.3; offsets_post_rt: -0.3; numberofxovers: 22;
trends_pre: -0.1; trends_adj: -0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:27 UTC for data product: GLODAPv3
33RO20150525[1-last] GLODAPv3 release
GLODAPv3 release: silicate autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-05 14:17:27 UTC for data product: GLODAPv3
GLODAPv3 release: temperature added as NEW adjustment parameter to 33RO20150525[1-last]
Automated addition of temperature as NEW parameter to 33RO20150525[1-last] based
on temperature_offset: 0.
Posted by nlange@geomar.de on 2026-08-05 14:17:14 UTC for data product: GLODAPv3
33RO20150525[1-last] GLODAPv3 release
Automated addition of temperature as NEW adjustment parameter in GLODAPv3 to
33RO20150525[1-last] - select parameter to view annotation with specific
details.
Posted by nlange@geomar.de on 2026-08-05 14:17:14 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated tco2 update for 33RO20150525
GLODAPv3 release: tco2 update of 33RO20150525 based on tco2_offset: 2.6;
inversion: 2.6; inversion_full: 2.9; preadjustment: 0; offsets_raw: -1.6;
offsets_preadj: -1.8; offsets_preadj_u: 0.6; offsets_post: -0.0; offsets_post_u:
0.4; offsets_post_rt: 0.4; numberofxovers: 14; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:13 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: tco2 autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:12:13 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated salinity update for 33RO20150525
GLODAPv3 release: salinity update of 33RO20150525 based on salinity_offset:
0.0000; inversion: 0.0000; inversion_full: -0.0005; preadjustment: 0;
offsets_raw: 0.0010; offsets_preadj: 0.0009; offsets_preadj_u: 0.0005;
offsets_post: 0.0007; offsets_post_u: 0.0004; offsets_post_rt: 0.0009;
numberofxovers: 23; trends_pre: 0.0000; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:43 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: salinity autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:43 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 33RO20150525
GLODAPv3 release: phosphate update of 33RO20150525 based on phosphate_offset:
2.0; inversion: 2.0; inversion_full: 1.7; preadjustment: 0; offsets_raw: -2.1;
offsets_preadj: -2.0; offsets_preadj_u: 0.3; offsets_post: 0.0; offsets_post_u:
0.3; offsets_post_rt: -0.1; numberofxovers: 21; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:29 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: phosphate autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:29 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 33RO20150525
GLODAPv3 release: oxygen update of 33RO20150525 based on oxygen_offset: 0.5;
inversion: 0.5; inversion_full: 0.6; preadjustment: 0; offsets_raw: -1.1;
offsets_preadj: -0.5; offsets_preadj_u: 0.2; offsets_post: -0.0; offsets_post_u:
0.1; offsets_post_rt: -0.4; numberofxovers: 23; trends_pre: -0.1; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:15 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: oxygen autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:15 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 33RO20150525
GLODAPv3 release: nitrate update of 33RO20150525 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: 0.2; offsets_post: -0.2; offsets_post_u:
0.2; offsets_post_rt: -0.3; numberofxovers: 23; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:02 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: nitrate autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:02 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated alkalinity update for 33RO20150525
GLODAPv3 release: alkalinity update of 33RO20150525 based on alkalinity_offset:
0.0; inversion: 0.0; inversion_full: 1.4; preadjustment: 0; offsets_raw: -1.7;
offsets_preadj: -0.9; offsets_preadj_u: 0.8; offsets_post: -1.5; offsets_post_u:
0.5; offsets_post_rt: -1.9; numberofxovers: 14; trends_pre: -0.2; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:27 UTC for data product: GLODAPv3
33RO20150525 GLODAPv3 release
GLODAPv3 release: alkalinity autogenerated adjustment parameter update for
33RO20150525 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 13:46:27 UTC for data product: GLODAPv3
33RO20150525 - ph
The interconsistency check (type 2) supports the upward adjustment (offset
-0.014).
Posted by nlange@geomar.de on 2018-07-27 11:32:16 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - cfc12
All profiles indicate oversaturation, as does the total mean of 1.05. Adjust
downward.
Posted by nlange@geomar.de on 2018-06-05 13:35:03 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - cfc11
All profiles indicate oversaturation, as does the total mean of 1.08. Adjust
downward.
Posted by nlange@geomar.de on 2018-06-05 13:34:51 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - ph
All crossovers but 49NZ2001 show relatively consistent offset around -0.015.
49NZ2001 itself might be adjusted too much to keep interconsitency… Adjust
upward.
Posted by nlange@geomar.de on 2018-06-05 13:33:20 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - silicate
The weighted mean offset is at the lower limit. Further, 49NZ2007 (being listed
as excellent) shows a 1% offset. Only 32501985 shows no strong offset. Adjust
upward.
Posted by nlange@geomar.de on 2018-06-05 13:31:31 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - phosphate
All crossovers, but 32501985 clearly indicate too low (2%) concentrations. This
offset is consistent in space (3D) and time. The good agreement serves as nice
evidence for a small upward adjustment.
Posted by nlange@geomar.de on 2018-06-05 13:28:11 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - nitrate
All offsets - but the one of 318M2004 - show values
smaller 1%. This cruise seems to fit right in. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:26:00 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - oxygen
There seems to be a temporal trend towards oxygen richer water.
There is a nice fit with 32502008 (received no adjustment) and most recent
cruises do not support an adjustment. Thus, "neglect" weighted mean Offset being
slightly lower than 0.99 and maintain.
Posted by nlange@geomar.de on 2018-06-05 13:24:35 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - alkalinity
There is quite large variability among the offsets with 49NZ2005 being the only
one having a postive offset. Nonetheless, not enough evidence to support an
adjustment.
Posted by nlange@geomar.de on 2018-06-05 13:22:09 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - tco2
All offsets close to zero (centered around -1) - thus clearly within the
acceptable range. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:20:44 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
33RO20150525 - salinity
All crossovers show offsets clearly within the acceptable range being centered
more or less around 0. Maintain.
Posted by nlange@geomar.de on 2018-06-05 13:19:39 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
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