HadISDH.blend: gridded global monthly land and ocean surface humidity data version 1.3.0.2021f

This is the HadISDH.blend 1.3.0.2021f version of the Met Office Hadley Centre Integrated Surface Dataset of Humidity (HadISDH). HadISDH.blend is a near-global gridded monthly mean surface humidity climate monitoring product. It is created from in situ observations of air temperature and dew point temperature from ships and weather stations. The observations have been quality controlled and homogenised / bias adjusted. Uncertainty estimates for observation issues and gridbox sampling are provided (see data quality statement section below). These data are provided by the Met Office Hadley Centre. This version spans 1/1/1973 to 31/12/2021.

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).

This version extends the previous version to the end of 2021. It combines the latest version of HadISDH.land and HadISDH.marine. and therefore their respective update notes. Users are advised to read the update documents in the Docs section for full details.

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., 2020: Development of

the HadISDH marine humidity climate monitoring dataset. Earth System Sciences Data,

12, 2853-2880, https://doi.org/10.5194/essd-12-2853-2020

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.

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.

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

We strongly recommend that you read these papers before making use of the data, more

detail on the dataset can be found in an earlier publication:

Willett, K. M., Williams Jr., C. N., Dunn, R. J. H., Thorne, P. W., Bell, S., de

Podesta, M., Jones, P. D., and Parker D. E., 2013: HadISDH: An updated land surface

specific humidity product for climate monitoring. Climate of the Past, 9, 657-677,

doi:10.5194/cp-9-657-2013.

Identification info

Metadata Language: English (en)

Dataset Reference Date (): 2022-05-26T13:52:34

Dataset Reference Date (): 2022-05-26T13:52:34

Identifier: http://catalogue.ceda.ac.uk/uuid/563cb665bc6e43f99b355a9bb8134317

Identifier: NERC EDS Centre for Environmental Data Analysis / 563cb665bc6e43f99b355a9bb8134317

Identifier: doi / 10.5285/563cb665bc6e43f99b355a9bb8134317

Unavailable - Willett, Kate M. ( author )

Unavailable - Dunn, Robert J. H. ( author )

Unavailable - Kennedy, John J. ( author )

Unavailable - Berry, David I. ( author )

Unavailable - Thorne, Peter W. ( author )

Unavailable - Bell, Stephanie ( author )

Unavailable - de Podesta, Michael ( author )

Unavailable - Parker, David E. ( author )

Unavailable - Jones, Philip D. ( author )

Unavailable - Williams Jr., Claude N. ( author )

NERC EDS Centre for Environmental Data Analysis - custodian

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

Met Office Hadley Centre (MOHC) - data_owner

FitzRoy Road , Exeter , EX1 3PB , UK

NERC EDS Centre for Environmental Data Analysis - distributor

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

NERC EDS Centre for Environmental Data Analysis - point_of_contact

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

Unavailable - Willett, Kate M. ( point_of_contact )

NERC EDS Centre for Environmental Data Analysis - publisher

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

Maintenance and update frequency: notPlanned

Update scope: 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

Limitations on Public Access: otherRestrictions

Other constraints: Public data: access to these data is available to both registered and non-registered users.

Use constraints: otherRestrictions

Other constraints: Use of these data is covered by the following licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ . When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.

Spatial representation type: grid

Topic category

Climatology, meteorology, atmosphere

Begin date: 1973-01-01T00:00:00

End date: 2021-12-31T23:59:59

Code: WGS 84

Distribution Information

Data format

Data are NetCDF formatted. ()

Resource Locator: CEDA Data Catalogue Page
Detail and access information for the resource

Resource Locator: DOWNLOAD
Download Data

Resource Locator: HadISDH.marine update doc for version 1.3.0.2010f
No further details.

Resource Locator: HadISDH.land update doc for version 4.4.0.2021f
No further details.

Resource Locator: HadISDH blog
No further details.

Resource Locator: HadISDH Homepage
No further details.

Resource Locator: HadISDH Data Format v2
No further details.

Resource Locator: HadISDH.land 2014 reference paper
No further details.

Resource Locator: HadISDH.marine process diagram
No further details.

Resource Locator: Met Office HadOBS twitter feed
No further details.

Resource Locator: ISD reference paper
No further details.

Resource Locator: ICOADS.3.0.0 reference paper
No further details.

Resource Locator: HadISD reference paper
No further details.

Resource Locator: HadISDH.land 2013 paper
No further details.

Resource Locator: CEDA Data Catalogue Page
Detail and access information for the resource

Resource Locator: DOWNLOAD
Download Data

Resource Locator: HadISDH.marine update doc for version 1.3.0.2010f
No further details.

Resource Locator: HadISDH.land update doc for version 4.4.0.2021f
No further details.

Resource Locator: HadISDH blog
No further details.

Resource Locator: HadISDH Homepage
No further details.

Resource Locator: HadISDH Data Format v2
No further details.

Resource Locator: HadISDH.land 2014 reference paper
No further details.

Resource Locator: HadISDH.marine process diagram
No further details.

Resource Locator: Met Office HadOBS twitter feed
No further details.

Resource Locator: ISD reference paper
No further details.

Resource Locator: ICOADS.3.0.0 reference paper
No further details.

Resource Locator: HadISD reference paper
No further details.

Resource Locator: HadISDH.land 2013 paper
No further details.

Quality Scope: dataset

Report

Dataset Reference Date (): 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 Centre for Environmental Data Analysis (CEDA) 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.

Metadata

File identifier: 563cb665bc6e43f99b355a9bb8134317 XML

Metadata Language: English (en)

Character set: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646

Parent identifier: HadISDH: global surface humidity data 251474c7b09449d8b9e7aeaf1461858f

Resource type: dataset

Metadata Date: 2022-09-21T23:12:18

Metadata standard name: UK GEMINI

Metadata standard version: 2.3

NERC EDS Centre for Environmental Data Analysis

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

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