Identification Information
    Citation
        Originator: USDA Forest Service, Geospatial Technology and Applications Center, BAER Imagery Support Program
        Publication Date: 2017-09-19
        Title: Burned Area Reflectance Classification (BARC) Data Bundle for the Pine Hollow Fire occurring on the Kaibab National Forest - 2017
        Publication Information
            Publication Place: Salt Lake City, Utah, USA
            Publisher: USDA Forest Service
        Geospatial Data Presentation Form: raster digital data
    Description
        Abstract: These data products are preliminary burn severity assessments derived from Sentinel 2 and Landsat 8 data. Sentinel 2 data has a nominal spatial resolution of 20m and Landsat 8 has a nominal 
		spatial resolution of 30m. Therefore the Sentinel 2 imagery was resampled to 30m prior to creation of burn severity products. The pre-fire and post-fire subsets included were used to create 
		a differenced Normalized Burn Ratio (dNBR) image. The dNBR image attempts to portray the variation of burn severity within a fire. The severity ratings are influenced by the effects to the canopy.  
		The severity rating is based upon a composite of the severity to the understory (grass, shrub layers), midstory trees and overstory trees. Because there is often a strong correlation 
		between canopy consumption and soil effects, this algorithm works in many cases for BAER teams whose objective is a soil burn severity assessment.  It is not, however, appropriate in 
		all ecosystems or fires. It is expected that BAER teams will adjust the thresholds to match field observations to produce a soil burn severity.
        Purpose: These data were created by the USDA Forest Service Geospatial Technology and Applications Center (GTAC) to support Burned Area Emergency Response (BAER) teams.    


Product List
	Pine Hollow perimeter.shp
		Burned area boundary digitized from the Sentinel imagery dated 9/15/2017. 
	Pine HOllow burn severity products.kmz
		Google Earth format file that contains the burn severity (BARC4) layer and the fire perimeter.
	L8_20160914_S2_20160915_barc4.tif: 
    		BARC4,  Four category preliminary estimate severity classification.
	BARC4 burn severity classification.jpg
		A JPEG version of the BARC4 da
	L8_20160914_S2_20160915_barc256.tif: 
    		BARC256, 256-class (0-255); continuous image representing preliminary estimate of burn severity. This dataset can be adjusted by the user, if needed, to refine the thematic BARC4 
		product and/or define a new BARC4. It is anticipated that users will adjust the breakpoints between classes, then recode to their desired 3 or 4 classes.
	L8_20160914_S2_20160915_dnbr.tif: 
    		Continuous dNBR product scaled by 1000; theoretical range of values is -2000 to 2000
	L8_2016258_refl_utm.tif: 
   		Pre-Fire Landsat 8 reflectance image subset, acquired on 09/14/2016. Bands 1-5 and 7. 
	Prefire image L8 20160914.jpeg
		JPEG version of the prefire Landsatimage
	S2_20170915_refl_b12_b8a_b5_30m.tif 
    		Post-Fire Sentinel 2 reflectance image subset, acquired on 09/15/2017. Band order (1-3): SWIR, NIR, Red (Sentinel 2 bands 12, 8a, 5).
	Postfire image S2 20170915.jpeg
		JPEG version of the postfire Sentinel image

BARC256 Thresholds:
	0-66 Unburned
	67-102 Low
	>= 103 Moderate
	No High severity 


All files are projected in UTM Zone 10N, WGS84

Contact: 
    	Justin Epting
    	jepting@fs.fed.us
    	(801) 975-3755   




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The following section should be completed after the BARC has been field validated by the BAER team and this entire metadata file should be returned to GTAC with the Soil Burn Severity data.
    
    BAER Assessment Completion Date:
    BAER Team GIS Analyst: Mark Christiano
    BAER Team Leader: Micah Kiesow
    Soil Burn Severity Analyst(s): Micah Kiesow
    
    Original BARC256 thresholds:
	0-66 Unburned
	67-102 Low
	>= 103 Moderate
	No High severity 


    Soil Burn Severity thresholds:
        Unburned / Undetectable: 0 - 66
        Low: 67 - 102
        Moderate: 103 - 163
        High: NA
        
    Sequence of steps used to create Soil Burn Severity data:

Set up a file geodatabase and uploaded into Arc Collector. The file geodatabase mirrored the SBS data sheet. 
Field verified BARC map using Arc Collector documenting SBS, photos, and site characteristics. 
The BARC map was unchanged to create the SBS map.  

    
    Additional Comments:
- No Change was made to BARC to create soil burn severity.  

- Metadata file was updated on 11/20/2017