Observation Instance

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{
    "ob_id": 862,
    "uuid": "df1caf8b2e473925944fdd8dd76e098c",
    "title": "HadSST2  - 5x5 deg Monthly Global fields of SST anomalies (1850-2013)",
    "abstract": "The Met Office Hadley Centre's sea surface temperature data set, HadSST2, replaces the Met Office Historical Sea Surface Temperature dataset (MOHSST6) and is a monthly global field of SST (Sea Surface Temperature) on a 5 deg latitude by 5 deg longitude grid from 1850 to August 2013. The data are neither interpolated nor variance adjusted.\r\n\r\nThe SST data are taken from the International Comprehensive Ocean-Atmosphere Data Set, ICOADS, from 1850 to 1997 and from the NCEP-GTS from 1998 to the present. HadSST2 is produced by taking in-situ measurements of SST from ships and buoys, rejecting measurements which which fail quality checks, converting the measurements to anomalies by subtracting climatological values from the measurements, and calculating a robust average of the resulting anomalies on a 5° by 5° degree monthly grid. After gridding the anomalies, bias corrections are applied to remove spurious trends caused by changes in SST measuring practices before 1942. The uncertainties due to under-sampling have been calculated for the gridded monthly data as have the uncertainties on the bias corrections.\r\n\r\nThis dataset include:\r\n- SST anomaly data (HadSST2_SST_1850on.txt.gz)\r\n- 1961-1990 Climatology (HadSST2_climatology_5x5_1961_1990.txt)\r\n- numbers of observations used to calculate the average (HadSST2_nobs_1850on.txt.gz)\r\n- Estimates on the measurement and sampling errors on the SST data (HadSST2_m_and_s_errors_1850on.txt.gz)\r\n- bias-adjusted data using bias adjustments which represent the 97.5 percent and 2.5 percent confidence levels of the estimated errors on the adjustments (HadSST2_97.5_pct_bias_1850on.txt.gz and HadSST2_2.5_pct_bias_1850on.txt.gz).\r\n- Files showing the correction applied to the data e.g.:\r\nHadSST2_bucket_correction_median.txt.gz - the corrections applied to the data 1850-1941\r\nHadSST2_bucket_correction_2.5pc.txt.gz - the lower bound of the 95% confidence range of the uncertainties 1850-1941\r\nHadSST2_bucket_correction_97.5pc.txt.gz - the upper bound of the 95% confidence range of the uncertainties 1850-1941\r\n\r\nA 1 degree version of HadSST2 is also available.\r\n    \r\nData were provided by the Met Office Hadley Centre. Dataset was produced by the Hadley Centre in collaboration with ICOADS.",
    "keywords": "Met Office, Hadley, SST, ocean, temperature",
    "publicationState": "published",
    "dataPublishedTime": "2007-02-02T17:01:36",
    "doiPublishedTime": null,
    "updateFrequency": "notPlanned",
    "status": "completed",
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        "dataPath": "/badc/ukmo-hadsst2/data",
        "oldDataPath": [],
        "storageLocation": "internal",
        "storageStatus": "online",
        "volume": 849337409,
        "numberOfFiles": 22,
        "fileFormat": "ASCII and NetCDF"
    },
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    ],
    "dataLineage": "HadSST2 was acquired in 2008 by the BADC from the Met Office Hadley Centre and has been routinely updated as is until 2013 at the BADC from the Hadley Centre.",
    "removedDataTime": null,
    "removedDataReason": "",
    "language": "English",
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            "accessRoles": "hadsst2",
            "label": "restricted: hadsst2 group",
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