Day 1

1
Day 1 1000aPHASE I WRAP-UP-- Rangeland
Burning on Private Lands Technical
Approach and EI Development
2
Rangeland Burning Overview

• Quantify rangeland burning on federal, state, and
  private land
• Develop strawman document that defines emission
  inventory procedure
• Essence Gather region-wide data for top-down
  method, fill in specific data where available
• Proof of concept developed during Wyoming
  statewide agricultural emission inventory
• Need peer review of strawman

3
Rangeland EI Calculation
4
Rangeland Activity Layers

• Top Down
• Layer I Region-wide Data Sources
• Rangeland utilization at county level from 2002
  NASS Census
• Percent-burned factors and monthly allocation
  from ETT
• Layer II Sub-regional Data Sources
• Rangeland utilization at county level from
  individual states
• Bottom Up
• Layer III Summary Burn Activity Data
• Burned acres estimates at county level by month
  from individual states or districts
• Layer IV Burn Event-based Activity Databases
• Activity inventory of daily burn events from
  permit/tracking databases

5
Rangeland EI Steps

• Collect NASS annual rangeland utilization by
  county
• Apply most specific percent-burned factor
  available
• Allocate burn activity to month of year
• Allocate monthly subtotals to rangeland burning
  events
• Assign event to specific day of month
• Assign event to specific USGS LCC rangeland pixel
  in county

6
Rangeland Activity Compilation
Percent Burned
WRAP State Rangeland Acres Burned
Alaska 6,880 5
Arizona 1,757,314 5
California 13,858,480 5
Colorado 16,772,175 5
Hawaii 852,626 5
Idaho 4,401,716 5
Montana 37,471,835 5
Nevada 4,022,036 5
New Mexico 32,836,861 5
North Dakota 10,984,441 5
Oregon 8,430,687 5
South Dakota 22,025,971 5
Utah 6,575,897 5
Washington 4,629,034 5
Wyoming 30,247,024 5
7
Rangeland Burning Allocation
Event Allocation
Spatial Allocation
PlumeClass Size Range Probability Packet (tons PM2.5)
1 0 1 0.975 0.064
2 1 - 10 0.024 2.202
3 10 - 100 0.0007 16.641
Date Blackout
Month Holiday
January New Years Day
July Fourth of July
August Harvesting period
November Thanksgiving
December Christmas