Burn Intensity for fires within Boise National Forest, Idaho in 1994

Burn Intensity for fires within Boise National Forest, Idaho in 1994

Frequently-asked questions:

What does this data set describe?

Title:
Burn Intensity for fires within Boise National Forest, Idaho in 1994

Abstract: 
This data set reflects fire intensity as measured by canopy scorch for 1994 for Boise National Forest, Idaho.

Supplemental information: 
Procedures_Used:
Field crews surveyed fire area (ground and air).  Islands < 40 acres usually not mapped.  Burn polygons drawn on paper copies 7 1/2 minute USGS topographical maps, then remanuscripted 1:24000 stable mylar.  Rabbit Ck. Fire mapped 2 different intervals.  There was some overlap between data set.  Manuscript sets were digitized seperately and resulting coverages appended. Where discrepancies occurred, new polygons were created and attributed with the more severe burn intensity.  Digitized Arc-Info RMSE .003, clean weed 10.  Fire perimeter also collected with gps from a helicopter (wilderness portion not flown).  Perimeter collected with gps was used to modify field collected information.  "Burn polygons" outside the gps perimeter deleted from final burn intensity cover.  In general the perimeter derived from burn intensity mapping and the perimeter collected with gps agreed.

Reviews_Applied_to_Data: 
Manuscripts compared with field maps to check for line and attribute accuracy.

  1. How should this data set be cited?

    Boise National Forest GIS Staff, Unknown, Burn Intensity for fires within Boise National Forest, Idaho in 1994: Boise National Forest GIS Staff, Boise, ID, USA.

    Online links:
  2. What geographic area does the data set cover?

    Bounding coordinates:
    West: -115.94713367
    East: -115.07772325
    North: 44.87771112
    South: 43.6289117

  3. What does it look like?

    http://insideidaho.org/data/BNF/image/fire1994_bnf_bnf.gif (GIF)
    Simple image of the data set at full extent

    Thumbnail image:

  4. Does the data set describe conditions during a particular time period?

    Calendar date: 1994
    Currentness reference: 
    ground condition

  5. What is the general form of this data set?

    Geospatial data presentation form: vector digital data

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):
      • Point (321)
      • String (878)
      • GT-polygon composed of chains (322)
      • Point (224)

    2. What coordinate system is used to represent geographic features?

      The grid coordinate system used is Universal Transverse Mercator

      Universal Transverse Mercator
      UTM zone number: 11
      Transverse Mercator projection parameters:
      Scale factor at central meridian: 0.999600
      Longitude of central meridian: -117.000000
      Latitude of projection origin: 0.000000
      False easting: 500000.000000
      False northing: 0.000000

      Planar coordinates are encoded using Coordinate Pair.
      Abscissae (x-coordinates) are specified to the nearest 1.
      Ordinates (y-coordinates) are specified to the nearest 1.
      Planar coordinates are specified in meters.

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.
      The flattening of the ellipsoid used is 1/294.9786982.

  7. How does the data set describe geographic features?

    FIRE1994.PAT
    polygon atribute table (Source: user defined from field attributes added)

    -
    polygon atribute table (Source: user defined from field attributes added)

    Sequential unique whole numbers that are automatically generated.

    AREA
    Area of poly/region in square coverage units (Source: Computed)

    Coordinates defining the features.

    BAN_BI
    Burn intensity (canopy scorch) Bannock Ck. Fire (Source: Field observation, see narrative)

    BIS (burn intensity), relative estimate of fire intensity as measured by canopy scorch. Generally areas > 40 acres mapped. Scorch canopy defined as fire killed needles and leaves that remain on trees or brush. U - Not Burned. Canopy not scorched. L - Low, < 50%. Canopy "green" with scattered scorched canopy areas. M - 51-100%, usually > 75%. Canopy "red", scattered black, green areas. H - 100%. Canopy completely consumed. Canopy black.

    BI
    Burn intensity(canopy scorch), common code for 4 fires in data set (Source: field observation, appended data sets for individual fires, see narrative)

    Coordinates defining the features.

    BOLT_BI
    Thunderbolt Fire intensity (cannopy scorch) (Source: field observation)

    Coordinates defining the features.

    FIRE1994#
    Internal feature number (Source: Computed)

    FIRE1994-ID
    User-assigned feature number (Source: User-defined)

    PERIMETER
    Perimeter of poly/region in coverage units (Source: Computed)

    RAB_BI
    Burn intensity (canopy scorch) Rabbit Ck. Fire (Source: field observation, aerial gps flight)

    Value Definition
    UB, L, M. H. gps 
    See Entity_and_Attribute_Overview

    STAR_BI
    Burn intensity (canopy scorch) Bannock Ck. Fire (Source: Field observation, see narrative)

    BIS (burn intensity), relative estimate of fire intensity as measured by canopy scorch. Generally areas > 40 acres mapped. Scorch canopy defined as fire killed needles and leaves that remain on trees or brush. U - Not Burned. Canopy not scorched. L - Low, < 50%. Canopy "green" with scattered scorched canopy areas. M - 51-100%, usually > 75%. Canopy "red", scattered black, green areas. H - 100%. Canopy completely consumed. Canopy black.

    DISSLV
    Item used for dissolving (Source: User added)

    DISSLV
    Entity and attribute overview: 
    BI (burn intensity), relative estimate of fire intensity as measured by canopy scorch. Generally areas > 40 acres mapped.  Scorch canopy defined as fire killed needles and leaves that remain on trees or brush.

Item BI added as common attribute for appended data sets

Star_bi - Star Gulch, Rab_bi - Rabbit Ck., Bolt_bi Thunderbolt, Ban_bi- Bannock Ck.

U, UB - canopy not scorched.
L - Low, < 50%. Canopy "green" with scattered scorched canopy areas.
M - 51-100%, usually > 75%. Canopy "red", scattered black, green areas.
H - 100%.  Canopy completely consumed.  Canopy black.
gps - discrepancy between gps perimeter and perimeter from burn intensity mapping.  Areas within boundary collected using gps from helicopter, but outside boundary from burn intensity mapping.  Code gps only occurred on Rabbit Ck. Fire.  Polygons coded gps were within gps boundary, but not mapped fire intensity.

    Entity and attribute detail citation: 
    Not Available
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Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

    • Boise National Forest GIS Staff

  2. Who also contributed to the data set?

  3. To whom should users address questions about the data?

    Diane McConnaughey
    Boise National Forest GIS Staff
    GIS Specialist
    1249 South Vinnell Way
Suite 200
    Boise, ID 83709
    USA

    (208) 373-4247 (voice)
    dmcconnaughey@fs.fed.us
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Why was the data set created?

The data are intended to assist efforts surrounding ersosion analysis, reforestation/silvicultral, and forest level planning. These data should be displayed and analyzed at scales appropriate for 1:24,000-scale data. No responsibility is assumed by the Boise National Forest GIS Staff in the use of these data.

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How was the data set created?

  1. Where did the data come from?

  2. What changes have been made?

    Date: 19960925 (change 1 of 13) 
    DMCCONNA UNION SBRBIS /FIRE2/94FIRES/TBIS SBRTBIS 10 JOIN

    Date: 19960925 (change 2 of 13) 
    DMCCONNA RENAME SBRTBIS BIS94

    Date: 19960925 (change 3 of 13) 
    DMCCONNA COPY BIS94 /FIRE2/94FIRES/BIS94

    Date: 19970128 (change 4 of 13) 
    DMCCONNA COPY /FIRE2/94FIRES/BIS94  /FSFILES/REF/LIBRARY/GIS/BOISE/FIRE/BIS94

    Date: 19980114 (change 5 of 13) 
    DWALL EXPORT COVER /FSFILES/REF/LIBRARY/GIS/BOISE/FIRE/BIS94 BIS94

    Date: 19980227 (change 6 of 13) 
    DMCCONNA EXPORT COVER /FSFILES/REF/LIBRARY/GIS/BOISE/FIRE/BIS94 BIS94.E00

    Date: 19980527 (change 7 of 13) 
    DMCCONNA   DOCUMENT BIS94 COPY   /FSFILES/REF/LIBRARY/GIS/BOISE/FIRE/RBIS DMCCON

    Date: 19980527 (change 8 of 13) 
    DMCCONNA   DOCUMENT BIS94 UPDATE DMCCONNA

    Date: 19980527 (change 9 of 13) 
    DMCCONNA PROJECTDEFINE COVER BIS94

    Date: 19980527 (change 10 of 13) 
    DMCCONNA   DOCUMENT BIS94 UPDATE DMCCONNA

    Date: 19980528 (change 11 of 13) 
    DMCCONNA EXPORT COVER BIS94 /FSFILES/FSTMP/BIS94.E00 NONE

    Date: 20000628 (change 12 of 13) 
    DMCCONNA RENAME BIS94 FIRES94INT

    Date: 20000707 (change 13 of 13) 
    EXPORT COVER FIRE1994 FIRE1994_BNF_BNF.E00

The orginal coverage contributed by Diane McConnaughey was imported into ARC/INFO, renamed, and exported.  The file was then compressed using GZIP.

Metadata included with the original coverage (created using DOCUMENT.AML) was imported.  If the metadata was not FGDC compliant, it was updated to be compliant.

    Person responsible for change:
    Bruce Godfrey
    University of Idaho Library
    GIS Specialist
    PO Box 442350
    Moscow, ID 83844-2350
    USA

    208-885-6463 (voice)
    208-885-6817 (FAX)
    bgodfrey@uidaho.edu

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How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    See Entity_Attribute_Information

  2. How accurate are the geographic locations?

    Resolution as reported in meters

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    Unknown

  5. How consistent are the relationships among the observations, including topology?

    Polygon topology present.

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How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access constraints: None
Use constraints: 
None

Distributor 1 of 1

  1. Who distributes the data set?

    Bruce Godfrey
    University of Idaho Library
    GIS Specialist
    PO Box 442350
    Moscow, ID 83844-2350
    USA

    208-885-6463 (voice)
    208-885-6817 (FAX)
    bgodfrey@uidaho.edu

  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    Although these data have been processed successfully on a computer system at the University of Idaho Library, no warranty, expressed or implied, is made regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty.

  4. How can I download or order the data?

  5. Is there some other way to get the data?

  6. What hardware or software do I need in order to use the data set?

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Who wrote the metadata?

Dates:
Last modified: 19980527
Last reviewed: 20040527

Metadata author:
Diane McConnaughey
Boise National Forest GIS Staff
GIS Specialist
1249 South Vinnell Way
Suite 200
Boise, ID 83709
USA

(208) 373-4247 (voice)
dmcconnaughey@fs.fed.us

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata(FGDC-STD-001-1998)

Metadata extensions used:
  • http://www.esri.com/metadata/esriprof80.html

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