Layer: Fire History (ID: 81)

Name: Fire History

Display Field: fireid

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This data set represent fire perimeter outlines. Un-burnt islands are included in the fire perimeter as are small internal lakes.The overall data accuracy should be assumed to be at 1:250,000 scale. There are known data gaps in this data set, one should not assume that all fires have been recorded. That being said this record is the most complete currently available data set for fire perimeters in the NWT. Omission and accuracy errors are much more prevalent for the beginning of the data set, particularly for the 1965 to 1975 period. The data set was updated in 2006 using the NWT fire files and Landsat images dating back to the beginning of the Landsat record. During this update Landsat fire perimeters were on screen digitized to an accuracy of 1;250,000. Since 2008 the source of the fire perimeter has been recorded in the SOURCE attribute field. The sources are GPS, MODIS and Landsat. Where this information is recorded the accuracy of the perimeter can be assumed to be 1:250,000 for GPS, 1:1,000,000 for MODIS and 1:25,000 for Landsat. The User may: 3.1 Create new representations of these Data; 3.2 Select or arrange all of, or portions or features from these Data; and 3.3 Process, analyse or otherwise use these Data in the development of derived products; 4. The User may sell, lease, distribute and sublicense the Data contained in derived works and products referred to in Section 3. Data is not licensed for redistribution via the Internet without modification as noted in Section 3. Users are encouraged to come to the originating source to access the most current version of the data. 5. When using the Data in new representations, derived works and products, the User shall reference the source of information as: © 2002-12. Government of NWT with permission from Environment and Natural Resources, NWT. 6. The Data is provided on an 'as is' basis and NWT makes no guarantees, representations or warranties respecting the Data, either expressed or implied, arising by law or otherwise, including but not limited to, effectiveness, completeness, accuracy or fitness for a particular purpose. 7. NWT shall not be liable in respect of any claim, demand or action, irrespective of the nature of the cause of the claim, demand or action alleging any loss, injury or damages, direct or indirect, which may result from the User's use or possession of the Data. NWT shall not be liable in any way for loss of revenue or contracts, or any other consequential loss of any kind resulting from any defect in the Data. 8. The User shall indemnify and save harmless NWT and its Ministers, officers, employees and agents from and against any claim, demand or action, irrespective of the nature of the cause of the claim, demand or action, alleging loss, costs, expenses, damages or injuries (including injuries resulting in death) arising out of the User's use or possession of the Data. 9. The parties agree that this agreement does not restrict NWT in any way from authorizing other parties to use the Data in the same kind of products or in different products. 10. This Agreement shall be interpreted in accordance with the laws in force in the Northwest Territories, Canada.

Copyright Text: On behalf of the Fire Management Division - Forest Management Division's Kathleen Groenewegen

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Extent:

Drawing Info:

Renderer:

Class Breaks Renderer:

Field:

Min. Value:

ClassBreakInfos:

Class Maximum Value: 1975
Label: 1965 - 1975
Description:
Symbol:
Class Maximum Value: 1984
Label: 1976 - 1984
Description:
Symbol:
Class Maximum Value: 1992
Label: 1985 - 1992
Description:
Symbol:
Class Maximum Value: 2001
Label: 1993 - 2001
Description:
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Label: 2002 - 2011
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Label: 2012 - 2022
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Type ID Field: null

Fields:

OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
fireid ( type: esriFieldTypeString, alias: fireid, length: 10 )
area_ha ( type: esriFieldTypeDouble, alias: area_ha )
collector ( type: esriFieldTypeString, alias: collector, length: 50 )
creator ( type: esriFieldTypeString, alias: creator, length: 50 )
notes ( type: esriFieldTypeString, alias: notes, length: 254 )
fireyear ( type: esriFieldTypeInteger, alias: fireyear )
creatmethd ( type: esriFieldTypeString, alias: creatmethd, length: 254 )
sourcekeys ( type: esriFieldTypeString, alias: sourcekeys, length: 254 )
datasource ( type: esriFieldTypeString, alias: datasource, length: 254 )
waterrem ( type: esriFieldTypeString, alias: waterrem, length: 254 )
unburnrem ( type: esriFieldTypeString, alias: unburnrem, length: 254 )
perimtype ( type: esriFieldTypeString, alias: perimtype, length: 254 )
InsideAoR ( type: esriFieldTypeString, alias: InsideAoR, length: 10 )
region ( type: esriFieldTypeString, alias: region, length: 25 )
effectdate ( type: esriFieldTypeString, alias: effectdate, length: 25 )
collecdate ( type: esriFieldTypeString, alias: collecdate, length: 25 )
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Shape.STArea() ( type: esriFieldTypeDouble, alias: Shape.STArea() )
Shape.STLength() ( type: esriFieldTypeDouble, alias: Shape.STLength() )

Supported Operations: Query Query Attachments Generate Renderer Return Updates

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