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GHRSST Reanalysis/GCOS SST-SI Intercomparisons and Diagnostics 1981-10-29 to 2007-12-31 (NCEI Accession 0210557)
This data set includes weekly, one degree versions of the selected modern, satellite-based products, as well as monthly, five degree versions of those products and the selected historical products, on a common grid and in common, widely-used formats. This data set also includes a set of standard diagnostics calculated for each data set, as described below.
Descriptive diagnostics include standard deviation of anomalies in time, linear trend of anomalies in time (historical data sets only), time series of global and hemispheric anomalies, and time-latitude sections of anomalies.
Intercomparison diagnostics include a map of root mean square (RMS) differences, a map of time-averaged differences, time series of global and hemispheric anomalies (historical data sets only), and time-latitude sections of differences (historical data sets only).
Descriptive metrics have been divided into four tables: one each of "Time-dependent Diagnostics" and "Map Diagnostics" for the Weekly and Monthly products. Time-dependent diagnostics include those with time on the x-axis; map diagnostics are on a latitude-longitude grid.
The goal of the Global Climate Observing System's (GCOS) SST and Sea Ice (SI) Working Group is to understand differences between different SST analyses and reconstructions with the aim of producing better, long-term SST climate data records. By working in the context of the Group for High Resolution Sea Surface Temperature (GHRSST) Reanalysis effort, a second goal of linking the modern satellite-based records with the historical, primarily in situ-based records can be accomplished.
For modern, satellite-based products, this group has chosen an initial focus on weekly, one degree versions of the data sets as well as monthly, five degree versions. For the historical products, the group focuses on monthly, five degree versions of the data sets. The first milestone of this intercomparison effort is to provide each of the data sets on a common grid and in common, widely-used formats. Secondly, in order to quantitatively evaluate the differences between SST analyses, a set of standard diagnostics is calculated for each data set. These diagnostics are organized into two phases: the first evaluates each data set both with respect to the data set's own climatology and with respect to a common climatology; the second evaluates each data set with respect to every other data set. In the case of the satellite era diagnostics, the common climatology used is AVHRR Pathfinder V5, Quality Flag 7, from 1985-2007. For the historical diagnostics, the Hadley Centre SST V2 climatology from 1961-1990 was used.
Complete Metadata
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|---|---|
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| description | This data set includes weekly, one degree versions of the selected modern, satellite-based products, as well as monthly, five degree versions of those products and the selected historical products, on a common grid and in common, widely-used formats. This data set also includes a set of standard diagnostics calculated for each data set, as described below. Descriptive diagnostics include standard deviation of anomalies in time, linear trend of anomalies in time (historical data sets only), time series of global and hemispheric anomalies, and time-latitude sections of anomalies. Intercomparison diagnostics include a map of root mean square (RMS) differences, a map of time-averaged differences, time series of global and hemispheric anomalies (historical data sets only), and time-latitude sections of differences (historical data sets only). Descriptive metrics have been divided into four tables: one each of "Time-dependent Diagnostics" and "Map Diagnostics" for the Weekly and Monthly products. Time-dependent diagnostics include those with time on the x-axis; map diagnostics are on a latitude-longitude grid. The goal of the Global Climate Observing System's (GCOS) SST and Sea Ice (SI) Working Group is to understand differences between different SST analyses and reconstructions with the aim of producing better, long-term SST climate data records. By working in the context of the Group for High Resolution Sea Surface Temperature (GHRSST) Reanalysis effort, a second goal of linking the modern satellite-based records with the historical, primarily in situ-based records can be accomplished. For modern, satellite-based products, this group has chosen an initial focus on weekly, one degree versions of the data sets as well as monthly, five degree versions. For the historical products, the group focuses on monthly, five degree versions of the data sets. The first milestone of this intercomparison effort is to provide each of the data sets on a common grid and in common, widely-used formats. Secondly, in order to quantitatively evaluate the differences between SST analyses, a set of standard diagnostics is calculated for each data set. These diagnostics are organized into two phases: the first evaluates each data set both with respect to the data set's own climatology and with respect to a common climatology; the second evaluates each data set with respect to every other data set. In the case of the satellite era diagnostics, the common climatology used is AVHRR Pathfinder V5, Quality Flag 7, from 1985-2007. For the historical diagnostics, the Hadley Centre SST V2 climatology from 1961-1990 was used. |
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|
| identifier | gov.noaa.nodc:0210557 |
| issued | 2020-05-20T00:00:00.000+00:00 |
| keyword |
[
"0210557",
"SEA SURFACE TEMPERATURE",
"satellite sensor - general",
"in situ",
"laboratory analyses",
"satellite data",
"US National Oceanographic Data Center",
"US National Oceanographic Data Center",
"Group for High Resolution Sea Surface Temperature (GHRSST)",
"World-Wide Distribution",
"oceanography",
"DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"GCOS > Global Climate Observing System",
"GHRSST > Group for High Resolution Sea Surface Temperature",
"EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE",
"EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE > SEA SURFACE TEMPERATURE ANOMALY",
"AVHRR Pathfinder Version 5",
"Centennial in situ Observation-Based Estimates (COBE) Analysis SST",
"Hadley Centre SST data set (HadSST2)",
"Hadley Centre Sea Ice and Sea Surface Temperature (HadISST)",
"International Comprehensive Ocean-Atmosphere Data Set (ICOADS) Release 2.4",
"Kaplan Extended SST",
"NOAA Extended Reconstruction SST Version 3",
"NOAA Optimum Interpolation SST Analysis (OISST) Version 2",
"Operational AVHRR",
"GEOGRAPHIC REGION > GLOBAL OCEAN"
]
|
| landingPage | https://www.ncei.noaa.gov/contact |
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2020-06-12T00:00:00.000+00:00 |
| publisher |
{
"name": "NOAA National Centers for Environmental Information",
"@type": "org:Organization"
}
|
| references |
[
"https://icoads.noaa.gov/climar3/c3poster-pdfs/S4P2-Brandon.pdf",
"https://www.ncei.noaa.gov/data/oceans/ghrsst/GCOS/software/"
]
|
| rights | otherRestrictions |
| spatial | 180.0,-90.0,-180.0,90.0 |
| temporal | 1981-10-29T00:00:00+00:00/2007-12-31T00:00:00+00:00 |
| title | GHRSST Reanalysis/GCOS SST-SI Intercomparisons and Diagnostics 1981-10-29 to 2007-12-31 (NCEI Accession 0210557) |
