Thermal History - Climatology (1985-2012)
(Version 3.1.0, experimental, released October 9, 2020)

Warmest Month
Warmest Month
Climatological Temperature Range
Climatological Range
Coolest Month
Coolest Month
Monthly Climatology
Monthly Climatology

(Click on the maps to zoom in.)



Thermal History Products:
Home | Stress Frequency | Stress Onset | SST Variability | SST Trend | Climatology | Annual History

Download data (netCDF):    FTP site
Stress Frequency (255Mb) | Stress Onset (411Mb) | SST Variability (255Mb) | SST Trend (137Mb)
Climatology (607Mb) | Annual History (6.7Gb)


 
Product Description

Climatology metrics: A climatology, by definition, is the long-term condition for a specified time period. NOAA Coral Reef Watch's (CRW) Version 3.1.0 Thermal History products use the climatology that underpins the Version 3.1 daily global 5km satellite coral bleaching heat stress monitoring products.

Climatology values were determined at coral reef-containing and adjacent satellite pixel locations worldwide, from 1985-2012, using CRW's Version 3.1 daily global 5km CoralTemp satellite sea surface temperature (SST) data product. The climatology was then adjusted to have a baseline (or reference) time period of 1985-1990 plus 1993 only. This follows CRW's currently-established methodology1 for its daily global 5km satellite coral bleaching heat stress products. Click here or here to learn more.

In addition to data and images of the Monthly Climatology of SST, metrics identify which of the 12 months is the climatologically warmest and coolest, as well as the typical range of SST experienced.

Where relevant, the range of values calculated from analyzed pixels is shown in [brackets] after each metric name.

Warmest Month, Coolest Month, Climatological Temperature Range [0.4-16.1°C] and Monthly Climatology [12.7-34.3°C]: For each month, the average temperature was determined for each year in the climatology period, 1985-2012, and the linear regression coefficients were determined for each individual pixel. The Monthly Climatology was set to the regression solution at the time 1988.286. This is the time-center (temporal mid-point) of NOAA CRW's heritage 50km climatology and subsequent 5km climatologies (both current and historical)1, which have the baseline (or reference) time period of 1985-1990 plus 1993. The Warmest and Coolest Months were identified from the Monthly Climatology, and the Climatological Temperature Range derived from those values.

1Heron SF, et al. (2014) Climatology development for NOAA Coral Reef Watch's 5-km product suite. NOAA Technical Report NESDIS 145. NOAA/NESDIS. College Park, MD. 30pp.

 

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