Extended Reconstructed Sea Surface Temperature (ERSST), Version 4
ERSST v4
The Extended Reconstructed Sea Surface Temperature (ERSST) dataset is a global monthly sea surface temperature analysis on a 2x2 degree grid derived from the International Comprehensive Ocean-Atmosphere Dataset (ICOADS). The latest ERSST Version 4 (v4) is based on Version 3b (v3b). Major revisions for v4 include: updated and substantively more complete input data from the ICOADS Release 2.5 (R2.5); revised Empirical Orthogonal Teleconnections (EOTs) and EOT acceptance criterion; updated sea surface temperature (SST) quality control procedures; revised SST anomaly (SSTA) evaluation methods; updated bias adjustments of ship SSTs using Hadley Nighttime Marine Air Temperature version 2 (HadNMAT2); and a buoy SST bias adjustment not previously made in v3b. ERSST v4 is generated using in situ SST data and improved statistical methods that allow stable reconstruction when data are sparse. The monthly analysis extends from January 1854 to the present, but because of sparse data in the early years, there is damping of the analyzed signal before 1880. After 1880, the strength of the signal is more consistent over time. The product is updated monthly with the available GTS ship and buoy data for that month. Data for the time period from January 2001 to the previous month are recalculated every month. Data before January 2001 are not updated. Note that v3b data were recalculated every month for January 1985 to the previous month. The SST anomalies are computed with respect to a 1971-2000 month climatology. Local and short-term variations have been smoothed in the ERSST analysis. The product is suitable for long-term global and basin-wide SST studies, and it is used as an input to the NCEI Merged Land Ocean Surface Temperature (MLOST) product. The data are written to a monthly netCDF files with CF metadata attributes included.
Dataset Citation
- Cite as: Boyin Huang, Viva F. Banzon, Eric Freeman, Jay Lawrimore, Wei Liu, Thomas C. Peterson, Thomas M. Smith, Peter W. Thorne, Scott D. Woodruff, and Huai-Min Zhang, 2015: Extended Reconstructed Sea Surface Temperature (ERSST), Version 4. [indicate subset used]. NOAA National Centers for Environmental Information. doi:10.7289/V5KD1VVF [access date].
Dataset Identifiers
- doi:10.7289/V5KD1VVF
- NCEI DSI 3649_03
- gov.noaa.ncdc:C00884
ISO 19115-2 Metadata
gov.noaa.ncdc:C00884
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Dataset Point of Contact | Customer Engagement Branch NOAA National Centers for Environmental Information 1-828-271-4800 ncei.orders@noaa.gov |
Dataset Point of Contact | Boyin Huang Physical Scientist DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 (828) 271-4851 boyin.huang@noaa.gov |
Time Period | 1854-01-01 to Present (time interval: 1-month) |
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West: -180.0
East: 180.0
South: -90.0
North: 90.0
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Edition | Version 4 |
Dataset Progress Status | Ongoing - data is continually being updated |
Data Update Frequency | Monthly |
Purpose | This dataset is suitable for long-term Global and basin-specific sea surface temperature studies by the climate research, monitoring and application communities. |
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Global Change Master Directory (GCMD) Science Keywords
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Global Change Master Directory (GCMD) Horizontal Data Resolution Keywords
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Global Change Master Directory (GCMD) Location Keywords
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Last Modified: 2023-06-23
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov