Articles | Volume 12, issue 4
Data description paper
17 Nov 2020
Data description paper |  | 17 Nov 2020

Development of the HadISDH.marine humidity climate monitoring dataset

Kate M. Willett, Robert J. H. Dunn, John J. Kennedy, and David I. Berry

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Cited articles

Berry, D.: Surface forcing of the North Atlantic: accuracy and variability, PhD thesis, University of Southampton, 176 pp., 2009. 
Berry, D. I., Kent, E. C., and Taylor, P. K.: An analytical model of heating errors in marine air temperatures from ships, J. Atmos. Ocean. Tech., 21, 1198–1215, 2004. 
Berry, D. I. and Kent, E. C.: A new air-sea interaction gridded dataset from ICOADS with uncertainty estimates, B. Am. Meteorol. Soc., 90, 645–656, 2009. 
Berry, D. I. and Kent, E. C.: Air–Sea fluxes from ICOADS: the construction of a new gridded dataset with uncertainty estimates, Int. J. Climatol., 31, 987–1001, 2011. 
BIPM: Evaluation of measurement data – Guide to the expression of uncertainty in measurement, JCGM 100:2008, available at: (last access: June 2019), 2008. 
Short summary
We describe the development and validation of a new near-global gridded marine humidity monitoring product, HadISDH.marine, from air temperature and dew point temperature reported by ships. Erroneous data, biases, and inhomogeneities have been removed where possible through checks for outliers, supersaturated values, repeated values, and adjustments for known biases in non-aspirated instruments and ship heights. We have also estimated uncertainty in the data at the grid box and regional level.
Final-revised paper