Daily Canadian Snow and Inland Ice Cover Synthesis Maps

Metadata also available as

Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Fernandes, Richard and Khurshid, K. Shahid;
Publication_Date: 2008/02
Title: Daily Canadian Snow and Inland Ice Cover Synthesis Maps
Geospatial_Data_Presentation_Form: raster digital data
Publication_Information:
Publication_Place: Ottawa, Ontario, Canada
Publisher: Natural Resources Canada
Larger_Work_Citation:
Citation_Information:
Originator:
Government of Canada\Natural Resources Canada\Earth Sciences Sector\Canada Centre for Remote Sensing\ESS Program
Publication_Date: 2008/02
Geospatial_Data_Presentation_Form: raster digital data
Description:
Abstract:
This dataset corresponds to a next day map of snow and ice cover over Canada and its surrounding territories. The map is produced by blending three already validation snow and ice cover maps provided by NOAA, NASA and Natural Resources Canada. These maps have already been individually shown to have similar agreement with in-situ snow course data provided by the Meteorological Service of Canada. Nominally, the 500m resolution MODIS snow cover daily composite is mapped. However, NOAA 4km resolution maps are used to fill gaps due to the presence of clouds within that composite.
Purpose:
This map is intended for scientific applications requiring timely information on snow cover presence at relatively high spatial resolution and validated against Canadian in-situ snow course data sets. The restriction to a binary snow/no-snow classification will result in a decrease in agreement (~80%) with field snow course data during the melt period with higher agreement (~90%) outside this period. However, at least half of this disagreement is traceable to random errors that will tend to cancel out when the data set is aggregated spatially. The residual errors are land cover dependent typically. Users who wish to use this snow cover information to drive other models should take this error structure into consideration. This map should not be used for operational water resource assessments without some form of local cross-validation.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2000-02-24
Ending_Date: 2007-12-31
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: Annually
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -175.00
East_Bounding_Coordinate: -54.00
North_Bounding_Coordinate: 90.00
South_Bounding_Coordinate: 38.00
Keywords:
Theme:
Theme_Keyword: Snow Cover
Theme_Keyword: Inland Ice Cover
Place:
Place_Keyword: North America
Place_Keyword: Canada
Place_Keyword: Northern Hemisphere
Place_Keyword: Mid-Latitude
Place_Keyword: Western Hemisphere
Place:
Place_Keyword_Thesaurus: Alberta
Place:
Place_Keyword_Thesaurus: British Columbia
Place:
Place_Keyword_Thesaurus: Manitoba
Place:
Place_Keyword_Thesaurus: New Brunswick
Place:
Place_Keyword_Thesaurus: Newfound and Labrador
Place:
Place_Keyword_Thesaurus: Northwest Territories
Place:
Place_Keyword_Thesaurus: Nova Scotia
Place:
Place_Keyword_Thesaurus: Nunavut
Place:
Place_Keyword_Thesaurus: Ontario
Place:
Place_Keyword_Thesaurus: Prince Edward Island
Place:
Place_Keyword_Thesaurus: Quebec
Place:
Place_Keyword_Thesaurus: Saskatchewan
Place:
Place_Keyword_Thesaurus: Yukon territory
Access_Constraints: None
Use_Constraints:
Her Majesty the Queen in Right of Canada, 1999. For more information, please contact the Copyright Officer at the following address: ESS Copyright Officer Business Development Office Earth Sciences Sector 615 Booth St., Ottawa, Ontario K1A 0Y7
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Richard Fernandes
Contact_Organization: NRCan/CCRS
Contact_Position: Research Scientist
Contact_Address:
Address_Type: physical address
Address: 588 Booth Street Room 410
City: Ottawa
State_or_Province: Ontario
Postal_Code: K1Y 0Y7
Country: Canada
Contact_Voice_Telephone: 1-613-947-1292
Contact_Facsimile_Telephone: 1-613-947-1385
Contact_Electronic_Mail_Address: Richard.Fernandes@nrcan.ccrs.gc.ca
Data_Set_Credit: Richard Fernandes and Khurshid, K. Shahid
Cross_Reference:
Citation_Information:
Originator: Fernandes, Richard; Khurshid, K. Shahid;
Publication_Date: 2008/02
Title: Daily Canadian Snow and Inland Ice Cover Synthesis Maps
Geospatial_Data_Presentation_Form: raster digital data
Data_Quality_Information:
Lineage:
Process_Step:
Process_Description:
The processing of the Daily Snow Cover Map (500 meter) are in a Java program that is envelope of C++, Fortran and Java classes and includes following steps: 1. Java scheduled task to pull MODIS (MOD10A1) and NOAA (GOES/SSM-I) daily snow cover products. 2. Create Canada wide MOD10A1 mosaic (Sinusoidal projection) 3. Create a Canada wide blended map (500 meter) from MOD10A1 mosaic and NOAA (GOES/SSM-I) in Sinusoidal projection. 4. Reprojection to standard Lambert Conformal Conic projection. 5. Generating reduced color geotiff image. 6. Compressing (via gzip) and archiving all data.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Shahid Khurshid
Contact_Organization: NRCan/CCRS
Contact_Position: Environmental Scientist
Contact_Address:
Address_Type: physical address
Address: 588 Booth Street Room 450A
City: Ottawa
State_or_Province: Ontario
Postal_Code: K1A 0Y7
Country: Canada
Contact_Voice_Telephone: 1-613-992-8348
Contact_Facsimile_Telephone: 1-613-947-1385
Contact_Electronic_Mail_Address: Shahid.Khurshid@nrcan.gc.ca
Spatial_Data_Organization_Information:
Indirect_Spatial_Reference: Raster
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Row_Count: 4800
Column_Count: 5700
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Map_Projection:
Map_Projection_Name: Lambert Conformal Conic
Lambert_Conformal_Conic:
Standard_Parallel: 49
Standard_Parallel: 77
Longitude_of_Central_Meridian: -95
Latitude_of_Projection_Origin: 0
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: row and column
Planar_Distance_Units: meters
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Richard Fernandes
Contact_Organization: NRCan/CCRS
Contact_Position: Research Scientist
Contact_Address:
Address_Type: physical address
Address: 588 Booth Street
City: Ottawa
State_or_Province: Ontario
Postal_Code: K1A 0Y7
Country: Canada
Contact_Voice_Telephone: 1-613-947-1292
Contact_Facsimile_Telephone: 1-613-947-1385
Contact_Electronic_Mail_Address: Richard.Fernandes@nrcan.ccrs.gc.ca
Available_Time_Period:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2000-02-24
Ending_Date: 2007-12-31
Metadata_Reference_Information:
Metadata_Date: 20080404
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Shahid Khurshid
Contact_Organization: NRCan/CCRS
Contact_Position: Environmental Scientist
Contact_Address:
Address_Type: physical address
Address: 588 Booth Street Room 450A
City: Ottawa
State_or_Province: Ontario
Postal_Code: K1A 0Y7
Country: Canada
Contact_Voice_Telephone: 1-613-992-8348
Contact_Facsimile_Telephone: 1-613-947-1385
Contact_Electronic_Mail_Address: Shahid.Khurshid@nrcan.gc.ca
Generated by mp version 2.8.6 on Fri Apr 04 16:38:28 2008