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HadISDH blend: gridded global monthly ocean surface humidity data version 1.0.0.2019f

This is the 1.0.0.2019f version of the HadISDH (Integrated Surface Database Humidity) blend data. It combines HadISDH.land.4.2.0.2019f and HadISDH.marine.1.0.0.2019f. These data are provided by the Met Office Hadley Centre. This version spans 1/1/1973 to 31/12/2019.

The data are monthly gridded (5 degree by 5 degree) fields. Products are available for temperature and six humidity variables: specific humidity (q), relative humidity (RH), dew point temperature (Td), wet bulb temperature (Tw), vapour pressure (e), dew point depression (DPD). Data are provided in NetCDF format.

This version is the first available.

To keep informed about updates, news and announcements follow the HadOBS team on twitter @metofficeHadOBS.

For more detailed information e.g bug fixes, routine updates and other exploratory analysis, see the HadISDH blog: http://hadisdh.blogspot.co.uk/

References:

When using the dataset in a paper please cite the following papers (see Docs for link to the publications) and this dataset (using the "citable as" reference):

Willett, K. M., Dunn, R. J. H., Kennedy, J. J. and Berry, D. I.: Development of the HadISDH marine humidity climate monitoring dataset. Earth System Sciences Data, in review, doi:XX.XXXX/essd-XX-XXXX-2020, 2020.

Willett, K. M., Dunn, R. J. H., Thorne, P. W., Bell, S., de Podesta, M., Parker, D. E., Jones, P. D., and Williams Jr., C. N.: HadISDH land surface multi-variable humidity and temperature record for climate monitoring, Clim. Past, 10, 1983-2006, doi:10.5194/cp-10-1983-2014, 2014.

Freeman, E., Woodruff, S. D., Worley, S. J., Lubker, S. J., Kent, E. C., Angel, W. E., Berry, D. I., Brohan, P., Eastman, R., Gates, L., Gloeden, W., Ji, Z., Lawrimore, J., Rayner, N. A., Rosenhagen, G. and Smith, S. R., ICOADS Release 3.0: A major update to the historical marine climate record. International Journal of Climatology. doi:10.1002/joc.4775.

Dunn, R. J. H., et al. 2016: Expanding HadISD: quality-controlled, sub-daily station data from 1931, Geoscientific Instrumentation, Methods and Data Systems, 5, 473-491.

Smith, A., N. Lott, and R. Vose, 2011: The Integrated Surface Database: Recent Developments and Partnerships. Bulletin of the American Meteorological Society, 92, 704–708, doi:10.1175/2011BAMS3015.1

Simple

Date (Publication)
2020-06-29T11:35:00
Date (Creation)
2020-06-29T11:35:00
Identifier
https://catalogue.ceda.ac.uk/uuid/d38d5949dfb1438185894321095583f4
Identifier
Centre for Environmental Data Analysis (CEDA) / d38d5949dfb1438185894321095583f4
Identifier
doi / 10.5285/d38d5949dfb1438185894321095583f4
Author
  Unavailable - Willett, Kate M. ( author )
Author
  Unavailable - Dunn, Robert J. H. ( author )
Author
  Unavailable - Kennedy, John J. ( author )
Author
  Unavailable - Berry, David I. ( author )
Author
  Unavailable - Thorne, Peter W. ( author )
Author
  Unavailable - Bell, Stephanie ( author )
Author
  Unavailable - de Podesta, Michael ( author )
Author
  Unavailable - Parker, David E. ( author )
Author
  Unavailable - Jones, Philip D. ( author )
Author
  Unavailable - Williams Jr., Claude N. ( author )
Custodian
  Centre for Environmental Data Analysis (CEDA) - custodian
Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom
01235446432
Owner
  Met Office Hadley Centre (MOHC) - data_owner
FitzRoy Road , Exeter , EX1 3PB , UK
Distributor
  Centre for Environmental Data Analysis (CEDA) - distributor
Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom
01235446432
pointofContact
  NERC EDS Centre for Environmental Data Analysis - point_of_contact
RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom
01235446432
pointofContact
  Unavailable - Willett, Kate M. ( point_of_contact )
Publisher
  Centre for Environmental Data Analysis (CEDA) - publisher
Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom
01235446432
Maintenance and update frequency
notPlanned Not planned
Update scope
dataset Dataset
Keywords
  • HadISDH
  • blend
  • humidity
  • surface
  • marine
  • gridded
  • station
  • specific humidity
  • temperature
  • dew point temperature
  • wet bulb temperature
  • dew point temperature
  • vapour pressure
  • in-situ
GEMET - INSPIRE themes, version 1.0
  • atmospheric conditions
Access constraints
otherRestrictions Other restrictions
Other constraints
Public data: access to these data is available to both registered and non-registered users.
Use constraints
otherRestrictions Other restrictions
Other constraints
Under the following licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/, appropriate use of these data may fall under any use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Spatial representation type
grid Grid
Metadata language
EnglishEnglish
Topic category
  • Climatology, meteorology, atmosphere
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S
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Begin date
1973-01-01T00:00:00
End date
2019-12-31T23:59:59
Unique resource identifier
WGS 84
Distribution format
  • These data are provided in NetCDF and ASCII formats, descriptors of the file formats are included in Docs. ()

Distributor
  Centre for Environmental Data Analysis (CEDA) - Data Center Contact
Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom
01235446432
OnLine resource
CEDA Data Catalogue Page

Detail and access information for the resource

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HadISDH.land 2014 reference paper

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HadISDH.land 2013 paper

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HadISD reference paper

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ICOADS.3.0.0 reference paper

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ISD reference paper

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Met Office HadOBS twitter feed

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HadISDH Homepage

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HadISDH blog

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HadISDH Data Format v2

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OnLine resource
HadISDH land update doc for version 4.2.0.2019f

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OnLine resource
HadISDH marine update doc for version 1.0.0.2019f

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OnLine resource
HadISDH.marine process diagram

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Hierarchy level
dataset Dataset

Conformance result

Date (Publication)
2010-12-08
Statement
HadISDH.blend is a global land (~2 m) and ocean (~10 m) surface humidity dataset and is produced by the Met Office Hadley Centre in collaboration with CRU, Maynooth University, NPL, NOAA-NCEI and NOC. It is based on the sub-daily station observations from HadISD (originally from ISD) and ship observations from ICOADS. It is passed to the BADC for archiving and distribution. Gridboxes containing both land and marine data are combined using a weighted average with a minimum and maximum weighting of 25% and 75% respectively.
File identifier
d38d5949dfb1438185894321095583f4 XML
Metadata language
EnglishEnglish
Character set
8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 UTF8
Parent identifier
HadISDH: global surface humidity data 251474c7b09449d8b9e7aeaf1461858f
Hierarchy level
dataset Dataset
Date stamp
2025-11-15T03:19:35
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  Centre for Environmental Data Analysis (CEDA)
Rutherford Appleton Laboratory , Harwell , Oxon , OX11 0QX , United Kingdom
01235446432
 
 

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Spatial extent

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Keywords

GEMET - INSPIRE themes, version 1.0
atmospheric conditions

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