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Canadian Wildland Fire Information System

Historical Analysis > Large Fire Database

Historical Analysis

Large Fire Database - Point Version

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Map of Large Fires

Introduction

The Large Fire Database (LFDB) is a compilation of forest fire data from all Canadian agencies, including provinces, territories, and Parks Canada. The data set includes only fires greater than 200 hectares in final size; these represent only a few percent of all fires but account for most of the area burned (usually more than 97%). Therefore, the LFDB can be used for spatial and temporal analyses of landscape-scale fire impacts. For information on smaller fires (up to 200 ha in final size), please contact individual fire agencies.

Links to other agencies can be found through the Canadian Interagency Forest Fire Centre (CIFFC).

Version 02, released 13 May 2002

Fires greater than 200 ha for all of Canada for the period 1959–1999, inclusive

Collaborations

We strongly suggest that users of this database work with one of the agencies. For Canada-wide analyses, contact members of the Fire Research Group at the Canadian Forest Service:

For analyses for a single province or territory or for Parks Canada, contact the appropriate agency. Links to these can be found through the Canadian Interagency Forest Fire Centre (CIFFC).

There are many caveats for this data set, and collaboration with the agencies will help avoid difficulties in interpretation. Previously published analyses are listed in the Reference section below.


Data Format

The data file is comma-delimited ASCII, with each row representing a record for a given fire.

The first row is a header row:

  • Year, Month, Day, Province, Fire_ID, Latitude, Longitude, Start_Date, Detect_Date, Cause, Size, Fire_Region, Fire_Zone, EcoZone, EcoRegion, EcoDistrict

The field format is given in the following table.

Format of LFDB

Field

Format

Example

Possible content

Entry for Missing Data

Year

Number

1998

Year: 1959 to 1999

 

Month

Number

6

Month of year of fire start

0

Day

Number

21

Day of year of fire start

0

Province

Text

ON

BC, AB, SK, MB, ON, QC, NF, NB, NS, YK, NWT, WBNP (Wood Buffalo National Park), NP (National Park)

 

Fire_ID

Text

TH-111

Region + fire number

NA

Latitude

Number

49.6

Fire start location in decimal degrees

0

Longitude

Number

-90.11

Fire start location in decimal degrees

0

Start_Date

Date (m/d/yy)

6/16/98

Date or 0/0/00

0/0/00

Detect_Date

Date (m/d/yy)

6/18/98

Date or 0/0/00

0/0/00

Cause

Text

MAN

MAN (human),
LTG (lightning),
UNK (unknown)

UNK

Size

Number

333.32

Final fire size in hectares (ha)

 

Fire_Region

Text

TH

Region or NA (not available)

NA

Fire_Zone

Text

INT

INT (intensive zone),
EXT (extensive zone),
NA (not available)

NA

EcoZone

Number

9

EcoZone classification,
1 to 15

0

EcoRegion

Number

138

EcoRegion classification,
1 to 217

0

EcoDistrict

Number

591

EcoDistrict classification,
1 to 1031

0


Acknowledgements

The database is a large collaborative effort by all Canadian fire agencies. We thank the many individuals who contributed to this effort, including fire crews, field personnel, photo interpreters, pilots, digitizers, and analysts. Compilation of the Canada-wide database was partially supported by the Canadian government programs of ENFOR (ENergy from the FORest),the Program on Energy Research and Development, the Climate Change Action Fund, and Action Plan 2000.


References

The following papers present analyses of this database. We encourage users to read these before attempting further analyses.

  • Amiro, B.D.; Todd, J.B.; Wotton, B.M.; Logan, K.A.; Flannigan, M.D.; Stocks, B.J.; Mason, J.A.; Martell, D.L.; Hirsch, K.G. 2001. Direct carbon emissions from Canadian forest fires, 1959 to 1999. Canadian Journal of Forest Research 31:512–525.
  • Stocks, B.J.; Mason, J.A.; Todd, J.B.; Bosch, E.M.; Wotton, B.M.; Amiro, B.D.; Flannigan, M.D.;Hirsch, K.G.; Logan, K.A.; Martell, D.L.; Skinner, W.R. 2002. Large forest fires in Canada, 1959–1997. Journal of Geophysical Research (107,8149,doi:10.1029/2001 JD000484).

 

 


 

Last updated: 2006-07-08

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