Comments specific to a parameter should include the
cruise's expocode and the parameter name in the subject
as they appear all in a
    	single collection of comments pertaining to this cruise

GLODAPv3 release: converted value for silicate_offset from percent to factor for 06AQ20120107[1-last]

GLODAPv3 release: CORRIGENDUM - converted value for silicate_offset from percent
to factor: 1.0.

Posted by nlange@geomar.de on 2026-08-05 16:37:51 UTC for data product: GLODAPv3

GLODAPv3 release: converted value for phosphate_offset from percent to factor for 06AQ20120107[1-last]

GLODAPv3 release: CORRIGENDUM - converted value for phosphate_offset from
percent to factor: -888.0.

Posted by nlange@geomar.de on 2026-08-05 16:37:38 UTC for data product: GLODAPv3

GLODAPv3 release: converted value for oxygen_offset from percent to factor for 06AQ20120107[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 16:37:25 UTC for data product: GLODAPv3

GLODAPv3 release: converted value for nitrate_offset from percent to factor for 06AQ20120107[1-last]

GLODAPv3 release: CORRIGENDUM - converted value for nitrate_offset from percent
to factor: -888.0.

Posted by nlange@geomar.de on 2026-08-05 16:37:14 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated silicate update for 06AQ20120107[1-last]

GLODAPv3 release: CORRIGENDUM - silicate update of 06AQ20120107[1-last] based on
silicate_offset: 0.0; inversion: 0.0; inversion_full: -1.5; preadjustment: 0;
offsets_raw: -0.1; offsets_preadj: 0.6; offsets_preadj_u: 1.4; offsets_post:
1.5; offsets_post_u: 0.9; offsets_post_rt: 1.7; numberofxovers: 7; trends_pre:
-0.3; trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-05 14:17:21 UTC for data product: GLODAPv3

06AQ20120107[1-last] GLODAPv3 release

GLODAPv3 release: silicate autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-05 14:17:21 UTC for data product: GLODAPv3

GLODAPv3 release: temperature added as NEW adjustment parameter to 06AQ20120107[1-last]

Automated addition of temperature as NEW parameter to 06AQ20120107[1-last] based
on temperature_offset: -888.

Posted by nlange@geomar.de on 2026-08-05 14:17:08 UTC for data product: GLODAPv3

06AQ20120107[1-last] GLODAPv3 release

Automated addition of temperature as NEW adjustment parameter in GLODAPv3 to
06AQ20120107[1-last] - select parameter to view annotation with specific
details.

Posted by nlange@geomar.de on 2026-08-05 14:17:08 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated tco2 update for 06AQ20120107

GLODAPv3 release: tco2 update of 06AQ20120107 based on tco2_offset: 0.0;
inversion: 0.0; inversion_full: -1.4; preadjustment: 0; offsets_raw: 2.9;
offsets_preadj: 3.4; offsets_preadj_u: 2.2; offsets_post: 3.4; offsets_post_u:
2.2; offsets_post_rt: 2.3; numberofxovers: 4; trends_pre: 0.0; trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-04 17:12:06 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: tco2 autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 17:12:06 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated salinity update for 06AQ20120107

GLODAPv3 release: salinity update of 06AQ20120107 based on salinity_offset:
-888.0000; inversion: 0.0000; inversion_full: 0.0035; preadjustment: 0;
offsets_raw: 0.0029; offsets_preadj: -0.0028; offsets_preadj_u: 0.0072;
offsets_post: -0.0028; offsets_post_u: 0.0069; offsets_post_rt: -0.0028;
numberofxovers: 10; trends_pre: 0.0006; trends_adj: 0.0000.

Posted by nlange@geomar.de on 2026-08-04 17:11:36 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: salinity autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 17:11:36 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated phosphate update for 06AQ20120107

GLODAPv3 release: phosphate update of 06AQ20120107 based on phosphate_offset:
-888.0; inversion: 0.0; inversion_full: -0.1; preadjustment: 0; offsets_raw:
-0.1; offsets_preadj: -0.1; offsets_preadj_u: 1.5; offsets_post: -0.1;
offsets_post_u: 1.3; offsets_post_rt: -0.2; numberofxovers: 7; trends_pre: 0.0;
trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-04 17:11:22 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: phosphate autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 17:11:22 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated oxygen update for 06AQ20120107

GLODAPv3 release: oxygen update of 06AQ20120107 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: 0.6; preadjustment: 0; offsets_raw: -0.9;
offsets_preadj: -0.8; offsets_preadj_u: 0.4; offsets_post: -0.8; offsets_post_u:
0.3; offsets_post_rt: -0.8; numberofxovers: 8; trends_pre: 0.0; trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-04 17:11:09 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: oxygen autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 17:11:09 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated nitrate update for 06AQ20120107

GLODAPv3 release: nitrate update of 06AQ20120107 based on nitrate_offset:
-888.0; inversion: 0.0; inversion_full: -1.0; preadjustment: 0; offsets_raw:
-0.0; offsets_preadj: 0.0; offsets_preadj_u: 0.8; offsets_post: 0.0;
offsets_post_u: 0.5; offsets_post_rt: -0.1; numberofxovers: 6; trends_pre: 0.0;
trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-04 17:10:57 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: nitrate autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 17:10:57 UTC for data product: GLODAPv3

GLODAPv3 release: autogenerated alkalinity update for 06AQ20120107

GLODAPv3 release: alkalinity update of 06AQ20120107 based on alkalinity_offset:
0.0; inversion: 0.0; inversion_full: -0.2; preadjustment: 0; offsets_raw: 0.8;
offsets_preadj: 0.8; offsets_preadj_u: 1.7; offsets_post: 0.4; offsets_post_u:
1.6; offsets_post_rt: 0.4; numberofxovers: 6; trends_pre: 0.0; trends_adj: 0.0.

Posted by nlange@geomar.de on 2026-08-04 13:46:20 UTC for data product: GLODAPv3

06AQ20120107 GLODAPv3 release

GLODAPv3 release: alkalinity autogenerated adjustment parameter update for
06AQ20120107 - select parameter to view annotation with specific details.

Posted by nlange@geomar.de on 2026-08-04 13:46:20 UTC for data product: GLODAPv3

06AQ20120107 - cfc12

No adjustment, Seattle

Posted by ttanhua@geomar.de on 2018-09-26 17:25:17 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - silicate

Changed to 1.00 Seatlle

Posted by ttanhua@geomar.de on 2018-09-26 17:21:12 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - oxygen

Adjustment accepted Seattle

Posted by ttanhua@geomar.de on 2018-09-26 17:17:49 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - silicate

However, Silicate values has been used to check the quality of NO3 and PO4,
giving low offsets

Posted by fiz.perez@iim.csic.es on 2018-09-21 15:33:42 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - salinity

The deep water averages don't bring up any doubts (34.7093 vs 34.7125).
Maintain.

Posted by nlange@geomar.de on 2018-08-21 11:35:42 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - oxygen

The deep water average of the cruise is 2.39% lower than the one from
surrounding GLODAPv2 cruises. Two different MLR also show offsets above the 1%
range. Adjusting following the smaller MLR offset seems appropriate - it has a
better MLR fit, too. Adjust upward.

Posted by nlange@geomar.de on 2018-08-21 11:32:17 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - silicate

The deep water averages indicate 3.68% too high concentrations . Unfortunately,
the offsets of two MLR differ strongly. Looking at the RMSE of the two MLR,
"si_MLR_po4" seems much more trustworthy. However, both O2 and PO4 might be
offset slightly thus complicating things again. All in all, the results are not
robust/informative enough to permit any adjustment.

Posted by nlange@geomar.de on 2018-08-21 11:25:32 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - phosphate

The deep water average of the cruise is 2.27% higher than the one from
surrounding GLODAPv2 cruises. The MLR also show offsets indicating too high
concentrations. However, these ones point towards a bias slightly below 2%.
Since that is within the acceptable range and the uncertainty is quite large
anyway, maintain.

Posted by nlange@geomar.de on 2018-08-21 11:15:46 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - nitrate

The deep water averages indicate an acceptable accuracy (31.82 μmol kg−1 vs
31.44 μmol kg−1). Two MLRs show offsets smaller than 2% (calculated for 200 and
233 samples), i.e. also indicate good accuracy, and demonstrate an "ok"
agreement. Note the high range visible in the box-plots indicating quite a large
uncertainty - probably a result of the spreading of the stations (true for all
parameters of this cruise)... Maintain.

Posted by nlange@geomar.de on 2018-08-21 11:03:06 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - alkalinity

The deep water averages indicate good accuracy. Two MLRs (calculated for 208
samples) with different predictor variables confirm this result. Maintain.

Posted by nlange@geomar.de on 2018-08-21 10:41:19 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - tco2

The deep water averages indicate too high concentrations (2254 μmol kg−1 vs 2247
μmol kg−1). Two MLRs (calculated for 178 samples) with different predictor
variables do not support this rather strong offset though. If AOU is excluded as
a predictor variable the offset becomes even positives (not shown)... Maintain.

Posted by nlange@geomar.de on 2018-08-21 10:34:57 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107

An additional MLR analysis based on GLODAPv2 has been carried out for all given
variables (for the most part following the method described in Jutterström et
al., 2010). Herefore only deep and approximate data (as for the crossover
analysis) has been used.

Posted by nlange@geomar.de on 2018-08-21 10:24:52 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

06AQ20120107 - cfc12

Even though within acceptable range this adjustment seems appropriate as the
water is oversaturated at all stations. Mean saturation ratio is 1.03.

Posted by nlange@geomar.de on 2018-04-27 09:16:46 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

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