Data Policy
GAW Data Policy
"For Scientific purposes, access to these data is unlimited and provided without charge.
By their use you accept that an offer of co-authorship will be made through personal contact with the data providers
or owners whenever substantial use is made of their data.
In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."
Version
2025-07-18-0356 (Last updated: 2025-07-29)File
This data set is submitted by NIWA.
In line with the GAW Data Policy, users should contact the contributors of all data of interest and propose co-authorship or acknowledgement.
Organization
| NO | 57 |
|---|---|
| Acronym | NIWA |
| Name | National Institute of Water & Atmospheric Research Ltd. |
| Address 1 | NIWA - Wellington |
| Address 2 | Private Bag 14901, Kilbirnie, Wellington, 6241 |
| Address 3 | 301 Evans Bay Parade, Hataitai, Wellington 6021 |
| Country/Territory | New Zealand |
| Website | http://www.niwa.co.nz |
Contact(s)
| Name | Sylvia Nichol |
|---|---|
| Prefix | |
| sylvia.nichol@niwa.co.nz | |
| Organization No | 57 |
| Organization acronym | NIWA |
| Organization name | National Institute of Water & Atmospheric Research Ltd. |
| Organization country/territory | New Zealand |
| Address 1 | |
| Address 2 | |
| Address 3 | |
| Country/territory | New Zealand |
| Tel | |
| Fax | |
| Last updated date | 2025-07-18 |
| Background observation | |
| UTC+12:00 | |
| ppm | |
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9999-12-31 00:00:00 - 9999-12-31 23:59:59: WMO CO2 X2019 |
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9999-12-31 00:00:00 - 9999-12-31 23:59:59: AIRCOA (LI-COR LI-820 model, utilizes a single-cell non-dispersive infrared (NDIR) technique)(NDIR) |
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9999-12-31 00:00:00 - 9999-12-31 23:59:59: 30 (m) |
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| Unknown | |
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There are four reference cylinders (LS2, LS1, HS1, HS2) and a surveillance cylinder (LT). Frequent daily calibrations using Luxfer cylinders (Praxair, USA) were performed to quantify and correct instrument drift. The long-term (LT) surveillance gas, which is measured three times daily |
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[Hourly] [Daily] [Monthly] |
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| Operational/Reporting | |
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Wind direction: Wind speed: Relative humidity: Precipitation amount: Air pressure: Air temperature: Dew point temperature: Sea water temperature: Sea surface water temperature: Sea water salinity: Sea surface water salinity: |
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Meteorological data may remain as first provided, even when greenhouse gas data are updated. |
No DOI available
Related information
| Format | Text (WDCGG Data Format Table, WDCGG Meteorological Data Format Table), NetCDF | ||||
|---|---|---|---|---|---|
| Relation List (Is Part Of) |
All CO2 data contributed to WDCGG by GAW stations and mobiles by 2025-09-17 |
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| Geolocation Point |
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GAW Data Policy
"For Scientific purposes, access to these data is unlimited and provided without charge.
By their use you accept that an offer of co-authorship will be made through personal contact with the data providers
or owners whenever substantial use is made of their data.
In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."
Citation format
This format is an example of the WDCGG standard citation.
Please follow the citation format which the data providers or owners indicate.
Please follow the citation format which the data providers or owners indicate.
Sylvia Nichol (NIWA),
Atmospheric CO2
at Maunga Kākaramea by National Institute of Water & Atmospheric Research Ltd.,
dataset published as CO2_MGK5058_surface-insitu_NIWA_data1 at WDCGG,
ver. 2025-07-18-0356 (Reference date*: YYYY/MM/DD)
* As the reference date, please indicate the date you downloaded the files.
* As the reference date, please indicate the date you downloaded the files.
