Climate Moisture Index for Canada - Short-term (2011-2040) under RCP 8.5

Drought is a deficiency in precipitation over an extended period, usually a season or more, resulting in a water shortage that has adverse impacts on vegetation, animals and/or people.

The Climate Moisture Index (CMI) was calculated as the difference between annual precipitation and potential evapotranspiration (PET) – the potential loss of water vapour from a landscape covered by vegetation. Positive CMI values indicate wet or moist conditions and show that precipitation is sufficient to sustain a closed-canopy forest. Negative CMI values indicate dry conditions that, at best, can support discontinuous parkland-type forests. The CMI is well suited to evaluating moisture conditions in dry regions such as the Prairie Provinces and has been used for other ecological studies.

Mean annual potential evapotranspiration (PET) was estimated for 30-year periods using the modified Penman-Monteith formulation of Hogg (1997), based on monthly 10-km gridded temperature data. Data shown on maps are 30-year averages.

Historical values of CMI (1981-2010) were created by averaging annual CMI calculated from interpolated monthly temperature and precipitation data produced from climate station records. Future values of CMI were projected from downscaled monthly values of temperature and precipitation simulated using the Canadian Earth System Model version 2 (CanESM2) for multiple RCP radiative forcing scenarios.

Provided layer: Climate moisture index (CMI) - Future projections using RCP 8.5 for 2011-2040.

Reference: Hogg, E.H. 1997. Temporal scaling of moisture and the forest-grassland boundary in western Canada. Agricultural and Forest Meteorology 84,115–122.

Simple

Date ( RI_367 )
2016
Date ( RI_366 )
2015
RI_418
  Government of Canada; Natural Resources Canada; Canadian Forest Service - Ted Hogg ( )
Status
onGoing; enContinue RI_596
Maintenance and update frequency
asNeeded; auBesoin RI_540
Keywords ( RI_528 )
  • climate moisture index
  • drought
  • moisture
  • evapotranspiration
  • precipitation
Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
  • Climate
  • Climate change
Use limitation
Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
Access constraints
license; licence RI_606
Use constraints
license; licence RI_606
Spatial representation type
grid; grille RI_636
Metadata language
eng
Metadata language
fra
Character set
utf8; utf8 RI_458
Topic category
  • Climatology, meteorology, atmosphere
Begin date
2011
End date
2040
N
S
E
W
thumbnail


Reference system identifier
http://www.epsg-registry.org / EPSG:3978 /
Reference system identifier
http://www.epsg-registry.org / EPSG:3347 /
Distribution format
  • TIFF ( N/A )

  • FGDB/GDB ( 10 )

  • WMS ( 1.3.0 )

  • ESRI REST ( 10.7.1 )

  • MXD ( 10.3 )

RI_414
  Government of Canada; Natural Resources Canada;Strategic Policy and Innovation Sector, Federal Geospatial Platform - ( )
OnLine resource
Climate Moisture Index under RCP 8.5 - Short-term [2011-2040] ( OGC:WMS )

Web Service;WMS;eng

OnLine resource
Forest Change Data Catalogue ( HTTPS )

Dataset;TIFF;fra

OnLine resource
Climate Moisture Index under RCP 8.5 - Short-term [2011-2040] ( OGC:WMS )

Web Service;WMS;fra

OnLine resource
Climate Moisture Index (English ESRI File Geodatabase) ( HTTPS )

Dataset;FGDB/GDB;eng

OnLine resource
Climate Moisture Index (French ESRI File Geodatabase) ( HTTPS )

Dataset;FGDB/GDB;fra

OnLine resource
Forest Change Data Catalogue ( HTTPS )

Dataset;TIFF;eng

OnLine resource
Climate Moisture Index under RCP 8.5 - Short-term [2011-2040] ( ESRI REST: Map Server )

Web Service;ESRI REST;eng

OnLine resource
Climate Moisture Index under RCP 8.5 - Short-term [2011-2040] ( ESRI REST: Map Server )

Web Service;ESRI REST;fra

OnLine resource
Climate Moisture Index (English ESRI ArcMap project file) ( HTTPS )

Supporting Document;MXD;eng

OnLine resource
Climate Moisture Index (French ESRI ArcMap project file) ( HTTPS )

Supporting Document;MXD;fra

File identifier
06be2cfe-d334-4f92-94ae-62a7615e9d28 XML
Metadata language
eng; CAN
Character set
utf8; utf8 RI_458
Parent identifier
Climate moisture index for Canada de1704c8-ba69-4e66-ac4b-13b966e2eedf
Hierarchy level
dataset; jeuDonnées RI_622
Date stamp
2022-01-21T14:08:24
Metadata standard name
North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version
CAN/CGSB-171.100-2009
RI_414
  Government of Canada; Natural Resources Canada;Strategic Policy and Innovation Sector, Federal Geospatial Platform - ( )
 
 

Overviews

overview

Spatial extent

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Keywords


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Associated resources

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