Historical Canadian Climate Database - Monthly Homogenized Precipitation and Temperature Data Sets

Federal Geographic Data Committee (FGDC) Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Environment Canada, Meteorological Service of Canada, CCRM
Publication_Date: Unknown
Title: Historical Canadian Climate Database - Monthly Homogenized Precipitation and Temperature Data Sets
Edition:
Geospatial_Data_Presentation_Form:
Series_Information:
Series_Name:
Issue_Identification:
Publication_Information:
Publication_Place:
Publisher:
Other_Citation_Details:
Online_Linkage: http://www.cccma.bc.ec.gc.ca/hccd/
Description:
Abstract:
Monthly Rehabilitated Precipitation and Homogenized Temperature Data Sets Climate Research Branch (CCRM) - Environment Canada. A database of homogenized and long-term temperature and precipitation time series has been specifically designed for climate change analyses over Canada. Temperature: The data consist of monthly maximum, minimum and mean temperatures for 210 locations across the country. Series extend back to 1895 where possible: however, data availability over most of the Canadian Arctic is restricted to the mid-1940s to present. Homogeneity problems caused by station relocation and changes in observing procedures were addressed using a regression model technique applied with surrounding stations. Monthly adjustments were obtained for identified inhomogeneities (the cause was often retrieved from the station history files) and a database of monthly maximum, minimum and mean temperatures was created. Precipitation: A total of 495 locations, most with data covering the period 1895-present were used. Data availability in much of the Canadian Arctic was restricted to 1948-present. Adjustments were applied on daily basis for rain and snow separately. Metadata file was created containing all information about the different precipitation measurement programs. For each rain gauge type, different adjustments to account for wind undercatch, evaporation and wetting loss were implemented. For snowfall, ruler measurements were used throughout the time series in order to minimize potential discontinuities introduced by the adoption of Nipher shielded gauge in the mid-1960s. Snow density adjustments based upon coincident ruler and Nipher observations were mapped over the country and applied to the ruler observations. Great care was taken to properly account for the trace measurements.To provide Canadian precipitation and temperature data sets for climate research. Spatial Data Organization Information - Indirect Spatial Reference: Direct Spatial Reference: Point Raster Object Type: Row Count: Column Count: Vertical Count: Spatial Reference Information - Horizontal Coordinate System Definition - Planar - Planar Coordinate Encoding Method: Coordinate Representation: Abscissa Resolution: Ordinate Resolution: Distance and Bearing Representation: Distance Resolution: Bearing Resolution: Bearing Units: Bearing Reference Direction: Bearing Reference Meridian: Planar Distance Units: Geodetic Model: Horizontal Datum Name: Ellipsoid Name: Semi-major Axis: Denominator of Flattening Ratio:
Purpose:
Not Available
Supplemental_Information:
Not Available
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 18950101
Ending_Date: 19991231
Currentness_Reference:Unknown
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Description_of_Geographic_Extent:
Bounding_Coordinates:
West_Bounding_Coordinate: -141.0
East_Bounding_Coordinate: -52.0
North_Bounding_Coordinate: 84.0
South_Bounding_Coordinate: 42.0
Keywords:
Theme:
Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > AIR TEMPERATURE
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > ATMOSPHERIC TEMPERATURE > MAXIMUM/MINIMUM TEMPERATURE
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > LIQUID WATER EQUIVALENT
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > PRECIPITATION AMOUNT
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > RAIN
Theme_Keyword: EARTH SCIENCE > ATMOSPHERE > PRECIPITATION > SNOW
Theme_Keyword: Gcmd
Theme_Keyword: Adjusted Data
Theme_Keyword: Corrected Data
Theme_Keyword: Evaporation Loss
Theme_Keyword: Ground Station
Theme_Keyword: Homogenized Data
Theme_Keyword: Instrumental Inhomogeneities
Theme_Keyword: Monthly Maximum Temperature
Theme_Keyword: Monthly Mean Temperature
Theme_Keyword: Monthly Minimum Temperature
Theme_Keyword: Monthly Precipitation
Theme_Keyword: Monthly Rainfall
Theme_Keyword: Monthly Snowfall
Theme_Keyword: Rainfall Adjustment
Theme_Keyword: Snow Ruler
Theme_Keyword: Snowfall Adjustment
Theme_Keyword: Station Data
Theme_Keyword: Trace Precipitation
Theme_Keyword: Wetting Loss
Theme_Keyword: Wind-induced Undercatch
Theme_Keyword: CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
Theme_Keyword: ENGLISH
Place:
Place_Keyword_Thesaurus: GCMD
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > ALBERTA
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > BRITISH COLUMBIA
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > CANADIAN ARCTIC
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > MANITOBA
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > NEW BRUNSWICK
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > NEWFOUNDLAND AND LABRADOR
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > NORTHWEST TERRITORIES
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > NOVA SCOTIA
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > NUNAVUT
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > ONTARIO
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > PRINCE EDWARD ISLAND
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > QUEBEC
Place_Keyword: CONTINENT > NORTH AMERICA > CANADA > SASKATCHEWAN
Place_Keyword: GEOGRAPHIC REGION > ARCTIC
Place_Keyword: CONTINENT > NORTH AMERICA
Place_Keyword: GEOGRAPHIC REGION > MID-LATITUDE
Place_Keyword: GEOGRAPHIC REGION > NORTHERN HEMISPHERE
Place_Keyword: GEOGRAPHIC REGION > POLAR
Place_Keyword: GEOGRAPHIC REGION > WESTERN HEMISPHERE
Access_Constraints: Not Available
Use_Constraints:
Not Available
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: EVA MEKIS
Contact_Position: TECHNICAL CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Climate Research Branch (CCRM)
Address: 4905 Dufferin Street
City: Downsview
State_or_Province: Ontario
Postal_Code: M3H 5T4
Country: Canada
Contact_Voice_Telephone: +01-416-739-4374
Contact_Facsimile_Telephone: +01-416-739-5700
Contact_Electronic_Mail_Address: eva.mekis@ec.gc.ca
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
ANNUALLY UPDATED
Logical_Consistency_Report:
Not Available
Completeness_Report:
Not Available
Lineage:
Process_Step:
Process_Description:
Not Available
Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: CA/EC/MSC > Meteorological Service of Canada, Environment Canada
Contact_Person: TOMMY JANG
Contact_Position: DATA CENTER CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Climate Research Branch (CCRM)
Address: 4905 Dufferin Street
City: Downsview
State_or_Province: Ontario
Postal_Code: M3H 5T4
Country: Canada
Contact_Voice_Telephone: +01-416-739-5742
Contact_Facsimile_Telephone: +01-416-739-5700
Contact_Electronic_Mail_Address: Tommy.Jang@ec.gc.ca
Resource_Description: Canada_EC_HistCdnClimateData
Distribution_Liability:
Not Available
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.msc-smc.ec.gc.ca/
Access_Instructions:
DATA CENTER URL
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.cccma.bc.ec.gc.ca/hccd/
Access_Instructions:
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://geodiscover.cgdi.ca/
Access_Instructions:
GeoConnections Discovery Portal. Canada's IDN Node.
Fees: Gratuit-free
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Metadata_Reference_Information:
Metadata_Date: 20010824
Metadata_Review_Date: 20090115
Metadata_Future_Review_Date: 20050131
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: LUCIE VINCENT
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Climate Research Branch (CCRM)
Address: 4905 Dufferin Street
City: Downsview
State_or_Province: Ontario
Postal_Code: M3H 5T4
Country: Canada
Contact_Voice_Telephone: +01-416-739-4337
Contact_Facsimile_Telephone: +01-416-739-5700
Contact_Electronic_Mail_Address: Lucie.Vincent@ec.gc.ca
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
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