Cruise: 06M320150501 (dataset:GLODAPv2.2019) Data product: GLODAPv3 Predecessor: GLODAPv2.2022, v2.2023
Synonyms (including errata!) for this cruise: M116/1; 06M320150501 <=> 06MT20150501; alias: M116/1; GLODAPv3:06MT20150501
IMPORTANT information for GLODAP Reference Group Editors: This is the updated adjustment version (GLODAPv3) from GLODAPv2.2023! Click here to view previous (immutable) version (GLODAPv2.2023)
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Plot/Data files re. Parameter(s) (select parameter on left side to view!):
alkalinity:12
nitrate:21
oxygen:27
phosphate:22
salinity:27
silicate:1
tco2:10


| Filename: | Comment: | Action | |
|---|---|---|---|
| 06BE20001128_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06M220081031_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT19810328_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT19940219_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20020607_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20021013_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20091126_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20101014_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20130525_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20140317_06MT20150501_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_06MT20160828_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20010305_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20020304_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20100405_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20130320_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20190406_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_316N19821229_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_32OC19880723_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_33LK19960415_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_35A319930213_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_35LU19950909_salinity__Xover_SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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| 06MT20150501_salinity__SAL.png | [GLODAPv3 release: autogenerated from RC_Nico/salinity for: 06MT20150501[1-last] |
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View annotation(s) (filtered by salinity in subject)
GLODAPv3 release: autogenerated salinity update for 06MT20150501
GLODAPv3 release: salinity update of 06MT20150501 based on salinity_offset:
0.0046; inversion: 0.0046; inversion_full: 0.0052; preadjustment: 0;
offsets_raw: -0.0054; offsets_preadj: -0.0047; offsets_preadj_u: 0.0013;
offsets_post: -0.0000; offsets_post_u: 0.0011; offsets_post_rt: -0.0005;
numberofxovers: 26; trends_pre: -0.0001; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:37 UTC for data product: GLODAPv3
06M320150501 - ctd_salinity
Adjustment suggestion rejected
Posted by ttanhua@geomar.de on 2018-09-26 17:44:55 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - salinity
This is a tricky one as there are only 5 crossovers. However all offsets are at
or below the lower limit, as is the weighted mean offset being -0.0057. The most
negative offset is 33MW19930704.1 which in turn is very trustworthy. Proposed
adjustment of 0.005.
Posted by nlange@geomar.de on 2018-04-26 10:45:34 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021


View annotation(s) (filtered by ctd_salinity in subject)
06M320150501 - ctd_salinity
Adjustment suggestion rejected
Posted by ttanhua@geomar.de on 2018-09-26 17:44:55 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06MT20150501_316N19821229_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_33LK19960415_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_35A319930213_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_35LU19950909_tco2__Xover_DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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| 06MT20150501_tco2__DIC.png | [GLODAPv3 release: autogenerated from RC_Nico/tco2 for: 06MT20150501[1-last] |
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View annotation(s) (filtered by tco2 in subject)
GLODAPv3 release: autogenerated tco2 update for 06MT20150501
GLODAPv3 release: tco2 update of 06MT20150501 based on tco2_offset: -888.0;
inversion: 0.0; inversion_full: 0.6; preadjustment: 0; offsets_raw: -1.0;
offsets_preadj: -1.0; offsets_preadj_u: 3.6; offsets_post: -0.5; offsets_post_u:
0.8; offsets_post_rt: -0.5; numberofxovers: 3; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:07 UTC for data product: GLODAPv3
06M320150501 - tco2
All offsets clearly within acceptable range. Most offsets are even quite close
to zero, thus no adjustment proposed.
Posted by nlange@geomar.de on 2018-04-26 10:50:20 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06MT20150501_29HE20010305_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20020304_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20100405_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20130320_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20190406_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_316N19821229_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_alkalinity_Xover_ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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| 06MT20150501_alkalinity__ALK.png | [GLODAPv3 release: autogenerated from RC_Nico/alkalinity for: 06MT20150501[1-last] |
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View annotation(s) (filtered by alkalinity in subject)
GLODAPv3 release: autogenerated alkalinity update for 06MT20150501
GLODAPv3 release: alkalinity update of 06MT20150501 based on alkalinity_offset:
-7.8; inversion: -7.8; inversion_full: -7.0; preadjustment: 0; offsets_raw: 8.2;
offsets_preadj: 8.2; offsets_preadj_u: 0.7; offsets_post: 0.0; offsets_post_u:
0.7; offsets_post_rt: -0.0; numberofxovers: 9; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:21 UTC for data product: GLODAPv3
06M320150501 - alkalinity
All offsets are clearly above the upper limit with a mean weighted offset of
8.7. The lowest offset resulting from the crossover with 33MW1993 is not too
trustworthy as it is biased in regards to alkaly measurments - 33MW1993
experiences a strong drift in alkaly and the applied adjustment of +3 might be
too high for this latitude.
Thus following the mean offset, the proposed adjustment is -8 correcting for too
high concentrations.
Posted by nlange@geomar.de on 2018-04-26 10:59:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06BE20001128_06MT20150501_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20021013_06MT20150501_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20091126_06MT20150501_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20101014_06MT20150501_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_06MT20160828_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20010305_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20020304_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20100405_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20130320_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20190406_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_316N19821229_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_32OC19880723_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_33LK19960415_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_35A319930213_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_35LU19950909_nitrate__Xover_NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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| 06MT20150501_nitrate__NO3.png | [GLODAPv3 release: autogenerated from RC_Nico/nitrate for: 06MT20150501[1-last] |
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View annotation(s) (filtered by nitrate in subject)
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 06MT20150501[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 16:37:15 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 06MT20150501
GLODAPv3 release: nitrate update of 06MT20150501 based on nitrate_offset: 0.0;
inversion: 0.0; inversion_full: 0.0; preadjustment: 0; offsets_raw: 0.3;
offsets_preadj: 0.3; offsets_preadj_u: 0.5; offsets_post: 0.2; 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 17:10:57 UTC for data product: GLODAPv3
06M320150501 - nitrate
All offsets except one (29HE2013) close to one. It has already been noted that
29HE2013 might have too high nitrate concentrations, thus further supporting the
good quality of the nitrate measurments of 06M320150501. No adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 11:07:43 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06BE20001128_06MT20150501_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT19810328_06MT20150501_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20021013_06MT20150501_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20091126_06MT20150501_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20101014_06MT20150501_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_06MT20160828_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20010305_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20020304_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20100405_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20130320_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20190406_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_316N19821229_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_32OC19880723_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_33LK19960415_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
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| 06MT20150501_35A319930213_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
View | |
| 06MT20150501_35LU19950909_phosphate__Xover_PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
View | |
| 06MT20150501_phosphate__PO4.png | [GLODAPv3 release: autogenerated from RC_Nico/phosphate for: 06MT20150501[1-last] |
View | |

View annotation(s) (filtered by phosphate in subject)
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 06MT20150501[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 16:37:38 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 06MT20150501
GLODAPv3 release: phosphate update of 06MT20150501 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: 1.0; preadjustment: 0; offsets_raw: -0.3;
offsets_preadj: -0.3; offsets_preadj_u: 0.6; offsets_post: -0.7; offsets_post_u:
0.5; offsets_post_rt: -0.7; numberofxovers: 16; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:23 UTC for data product: GLODAPv3
06M320150501 - phosphate
Only 7 crossovers, but all within acceptable range. The two cruises showing
higher offsets are thought to have 1% too low phosphate concentrations, e.g. see
comments 06BE2000. Thus no adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 13:02:15 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06MT20150501_silicate__SIL.png | [GLODAPv3 release: autogenerated from RC_Nico/silicate for: 06MT20150501[1-last] |
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View annotation(s) (filtered by silicate in subject)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 06MT20150501[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 16:37:52 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 06MT20150501[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 06MT20150501[1-last] based on
silicate_offset: 0.0; inversion: 0.0; inversion_full: -1.0; preadjustment: 0;
offsets_raw: 1.6; offsets_preadj: 1.6; offsets_preadj_u: 1.1; offsets_post: 1.1;
offsets_post_u: 0.6; offsets_post_rt: 1.1; numberofxovers: 5; trends_pre: 0.0;
trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:21 UTC for data product: GLODAPv3
06M320150501 - silicate
Adjustment rejected based on the use of CRMs during this cruise
Posted by ttanhua@geomar.de on 2018-09-26 17:48:42 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - silicate
Except for 29HE2010 all offsets very close to the upper limit (1.02) or above
it. 29HE2010 already has been adjusted upwards. Nevertheless the weighted mean
offset is 1.03, thus an adjustment of at least 0.98 seems appropriate.
Posted by nlange@geomar.de on 2018-04-26 13:07:46 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021

| Filename: | Comment: | Action | |
|---|---|---|---|
| 06BE20001128_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06M220081031_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT19810328_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT19940219_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20020607_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20021013_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20091126_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20101014_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20130525_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20140317_06MT20150501_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_06MT20160828_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20010305_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20020304_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20100405_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20130320_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_29HE20190406_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_316N19821229_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_316N19830130_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_323019940104_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_32OC19880723_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_33LK19960415_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_33MW19930704_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20030604_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_33RO20130803_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_35A319930213_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_35LU19950909_oxygen__Xover_O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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| 06MT20150501_oxygen__O2.png | [GLODAPv3 release: autogenerated from RC_Nico/oxygen for: 06MT20150501[1-last] |
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View annotation(s) (filtered by oxygen in subject)
GLODAPv3 release: converted value for oxygen_offset from percent to factor for 06MT20150501[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 16:37:26 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 06MT20150501
GLODAPv3 release: oxygen update of 06MT20150501 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.2; preadjustment: 0; offsets_raw: -0.1;
offsets_preadj: 0.0; offsets_preadj_u: 0.2; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: -0.1; numberofxovers: 26; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:10 UTC for data product: GLODAPv3
06M320150501 - oxygen
There is quite a large variability in the crossover offsets, but all are still
within the acceptable range. The amount of offsets below and above 1 is almost
equal, which is also reflected in the weighted mean offset being slightly below
1.0. Hence no adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 13:15:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021




View annotation(s) (filtered by temperature in subject)
GLODAPv3 release: temperature added as NEW adjustment parameter to 06MT20150501[1-last]
Automated addition of temperature as NEW parameter to 06MT20150501[1-last] based
on temperature_offset: 0.
Posted by nlange@geomar.de on 2026-08-05 14:17:08 UTC for data product: GLODAPv3


View annotation(s) (filtered by cfc12 in subject)
06M320150501 - cfc12
The saturation ratio of the upper 20m for all stations shows accurate CFC-12
data. The overall mean of 0.98 further underpins this. Hence no adjustment
suggested.
Posted by nlange@geomar.de on 2018-04-26 10:37:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021










View 31 annotation(s) (Lists all annotations)
GLODAPv3 release: converted value for silicate_offset from percent to factor for 06MT20150501[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 16:37:52 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for phosphate_offset from percent to factor for 06MT20150501[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 16:37:38 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for oxygen_offset from percent to factor for 06MT20150501[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 16:37:26 UTC for data product: GLODAPv3
GLODAPv3 release: converted value for nitrate_offset from percent to factor for 06MT20150501[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 16:37:15 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated silicate update for 06MT20150501[1-last]
GLODAPv3 release: CORRIGENDUM - silicate update of 06MT20150501[1-last] based on
silicate_offset: 0.0; inversion: 0.0; inversion_full: -1.0; preadjustment: 0;
offsets_raw: 1.6; offsets_preadj: 1.6; offsets_preadj_u: 1.1; offsets_post: 1.1;
offsets_post_u: 0.6; offsets_post_rt: 1.1; numberofxovers: 5; trends_pre: 0.0;
trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-05 14:17:21 UTC for data product: GLODAPv3
06MT20150501[1-last] GLODAPv3 release
GLODAPv3 release: silicate autogenerated adjustment parameter update for
06MT20150501 - 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 06MT20150501[1-last]
Automated addition of temperature as NEW parameter to 06MT20150501[1-last] based
on temperature_offset: 0.
Posted by nlange@geomar.de on 2026-08-05 14:17:08 UTC for data product: GLODAPv3
06MT20150501[1-last] GLODAPv3 release
Automated addition of temperature as NEW adjustment parameter in GLODAPv3 to
06MT20150501[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 06MT20150501
GLODAPv3 release: tco2 update of 06MT20150501 based on tco2_offset: -888.0;
inversion: 0.0; inversion_full: 0.6; preadjustment: 0; offsets_raw: -1.0;
offsets_preadj: -1.0; offsets_preadj_u: 3.6; offsets_post: -0.5; offsets_post_u:
0.8; offsets_post_rt: -0.5; numberofxovers: 3; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 17:12:07 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: tco2 autogenerated adjustment parameter update for
06MT20150501 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:12:07 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated salinity update for 06MT20150501
GLODAPv3 release: salinity update of 06MT20150501 based on salinity_offset:
0.0046; inversion: 0.0046; inversion_full: 0.0052; preadjustment: 0;
offsets_raw: -0.0054; offsets_preadj: -0.0047; offsets_preadj_u: 0.0013;
offsets_post: -0.0000; offsets_post_u: 0.0011; offsets_post_rt: -0.0005;
numberofxovers: 26; trends_pre: -0.0001; trends_adj: 0.0000.
Posted by nlange@geomar.de on 2026-08-04 17:11:37 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: salinity autogenerated adjustment parameter update for
06MT20150501 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:37 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated phosphate update for 06MT20150501
GLODAPv3 release: phosphate update of 06MT20150501 based on phosphate_offset:
0.0; inversion: 0.0; inversion_full: 1.0; preadjustment: 0; offsets_raw: -0.3;
offsets_preadj: -0.3; offsets_preadj_u: 0.6; offsets_post: -0.7; offsets_post_u:
0.5; offsets_post_rt: -0.7; numberofxovers: 16; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:23 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: phosphate autogenerated adjustment parameter update for
06MT20150501 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:23 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated oxygen update for 06MT20150501
GLODAPv3 release: oxygen update of 06MT20150501 based on oxygen_offset: 0.0;
inversion: 0.0; inversion_full: -0.2; preadjustment: 0; offsets_raw: -0.1;
offsets_preadj: 0.0; offsets_preadj_u: 0.2; offsets_post: 0.1; offsets_post_u:
0.1; offsets_post_rt: -0.1; numberofxovers: 26; trends_pre: 0.0; trends_adj:
0.0.
Posted by nlange@geomar.de on 2026-08-04 17:11:10 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: oxygen autogenerated adjustment parameter update for
06MT20150501 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 17:11:10 UTC for data product: GLODAPv3
GLODAPv3 release: autogenerated nitrate update for 06MT20150501
GLODAPv3 release: nitrate update of 06MT20150501 based on nitrate_offset: 0.0;
inversion: 0.0; inversion_full: 0.0; preadjustment: 0; offsets_raw: 0.3;
offsets_preadj: 0.3; offsets_preadj_u: 0.5; offsets_post: 0.2; 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 17:10:57 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: nitrate autogenerated adjustment parameter update for
06MT20150501 - 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 06MT20150501
GLODAPv3 release: alkalinity update of 06MT20150501 based on alkalinity_offset:
-7.8; inversion: -7.8; inversion_full: -7.0; preadjustment: 0; offsets_raw: 8.2;
offsets_preadj: 8.2; offsets_preadj_u: 0.7; offsets_post: 0.0; offsets_post_u:
0.7; offsets_post_rt: -0.0; numberofxovers: 9; trends_pre: 0.0; trends_adj: 0.0.
Posted by nlange@geomar.de on 2026-08-04 13:46:21 UTC for data product: GLODAPv3
06MT20150501 GLODAPv3 release
GLODAPv3 release: alkalinity autogenerated adjustment parameter update for
06MT20150501 - select parameter to view annotation with specific details.
Posted by nlange@geomar.de on 2026-08-04 13:46:21 UTC for data product: GLODAPv3
Changed 06M320150501 for GLODAPv3 to 06MT20150501
GLODAPv3: for consistency changed expocode of adjustment from 06M320150501 to
'erratic' 06MT20150501
Posted by nlange@geomar.de on 2026-07-25 18:24:25 UTC for data product: GLODAPv3
06M320150501 - silicate
Adjustment rejected based on the use of CRMs during this cruise
Posted by ttanhua@geomar.de on 2018-09-26 17:48:42 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - ctd_salinity
Adjustment suggestion rejected
Posted by ttanhua@geomar.de on 2018-09-26 17:44:55 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - oxygen
There is quite a large variability in the crossover offsets, but all are still
within the acceptable range. The amount of offsets below and above 1 is almost
equal, which is also reflected in the weighted mean offset being slightly below
1.0. Hence no adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 13:15:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - silicate
Except for 29HE2010 all offsets very close to the upper limit (1.02) or above
it. 29HE2010 already has been adjusted upwards. Nevertheless the weighted mean
offset is 1.03, thus an adjustment of at least 0.98 seems appropriate.
Posted by nlange@geomar.de on 2018-04-26 13:07:46 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - phosphate
Only 7 crossovers, but all within acceptable range. The two cruises showing
higher offsets are thought to have 1% too low phosphate concentrations, e.g. see
comments 06BE2000. Thus no adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 13:02:15 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - nitrate
All offsets except one (29HE2013) close to one. It has already been noted that
29HE2013 might have too high nitrate concentrations, thus further supporting the
good quality of the nitrate measurments of 06M320150501. No adjustment needed.
Posted by nlange@geomar.de on 2018-04-26 11:07:43 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - alkalinity
All offsets are clearly above the upper limit with a mean weighted offset of
8.7. The lowest offset resulting from the crossover with 33MW1993 is not too
trustworthy as it is biased in regards to alkaly measurments - 33MW1993
experiences a strong drift in alkaly and the applied adjustment of +3 might be
too high for this latitude.
Thus following the mean offset, the proposed adjustment is -8 correcting for too
high concentrations.
Posted by nlange@geomar.de on 2018-04-26 10:59:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - tco2
All offsets clearly within acceptable range. Most offsets are even quite close
to zero, thus no adjustment proposed.
Posted by nlange@geomar.de on 2018-04-26 10:50:20 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - salinity
This is a tricky one as there are only 5 crossovers. However all offsets are at
or below the lower limit, as is the weighted mean offset being -0.0057. The most
negative offset is 33MW19930704.1 which in turn is very trustworthy. Proposed
adjustment of 0.005.
Posted by nlange@geomar.de on 2018-04-26 10:45:34 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
06M320150501 - cfc12
The saturation ratio of the upper 20m for all stations shows accurate CFC-12
data. The overall mean of 0.98 further underpins this. Hence no adjustment
suggested.
Posted by nlange@geomar.de on 2018-04-26 10:37:14 UTC for data product: GLODAPv2.2019, v2.2020, v2.2021
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