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Getting ahead of the wildfire problem:
Linking operational fire response to landscape planning objectives
Kit O’Connor1, Jessica Haas1, Dave Calkin1, Matt Thompson2
USFS RMRS Risk Management Team
1Missoula MT, 2Fort Collins CO
“The mission of the USDA Forest Service is to sustain the health, diversity, and productivity of the Nation’s forests and grasslands to meet the needs of present
and future generations.”
“The mission of the USDA Forest Service is to sustain the health, diversity, and productivity of the Nation’s forests and grasslands to meet the needs of present
and future generations.”
FRR = Forest and Rangeland Research; S&PF = State and Private Forestry; NFS = National Forest System; CI&M =
Capital Improvement and Maintenance; LA = Land Acquisition; and WFM = Wildland Fire Management
Hoover 2016, CBO
FRR = Forest and Rangeland Research; S&PF = State and Private Forestry; NFS = National Forest System; CI&M =
Capital Improvement and Maintenance; LA = Land Acquisition; and WFM = Wildland Fire Management
Hoover 2016, CBO
FRR = Forest and Rangeland Research; S&PF = State and Private Forestry; NFS = National Forest System; CI&M =
Capital Improvement and Maintenance; LA = Land Acquisition; and WFM = Wildland Fire Management
Hoover 2016, CBO
What if we leveraged fire response (following the money) to get where we want to go?
Supporting the tenets of the Cohesive Strategy:
How can wildfire response promote:
• Restoring and maintaining of resilient landscapes
• Creation of fire-adapted communities
Aligning public expectations:
Operational fire incident objectives
that protect
• Life
• Resources
• Assets
The Challenge
Image credit: https://www.pinterest.com/leelindsey44/wildland-firefighter/
Aligning public expectations:
Operational fire incident objectives
that protect
• Life
• Resources
• Assets
With Agency mission:
planning for land management
that promotes
• Adaptation
• Accountability
• Living with fire
• Sustainable management of forests (by including the keystone process of fire)
The Challenge
Image credit: https://www.pinterest.com/leelindsey44/wildland-firefighter/
Proposed new model of pre-fire planning
Formalize integration of risk management principles into the forest and fire management plan revision processes:
• Zone landscapes by fire tolerance and management objectives.
• Develop flexible operational units to manage fire.
• Provide consistent risk and science-based rationale for fire management decisions.
Thompson et. al 2016
Thompson et. al 2016
Thompson et. al 2016
Process to integrate wildfire risk assessment with spatial fire planning and response
O’Connor et al. 2016
Step 1: Understand fire effects in the system: Integrated Risk Assessment
Effects
Risk
Step 1: Understand fire effects in the system: Integrated Risk Assessment
Effects
Risk
Exposure & Effects Analysis Scott et al. 2013 GTR 315
Wildfire Risk Key Components (Conceptual)
Wildfire Risk Key Components (Applied)
HVRAs
• Human Habitation
• Major Infrastructure
• Range Land Values
• Recreation Resources
• Wildlife Habitat
• Timber
• Tribal Lands
• Watershed
• Ecosystem Function
Effects Analysis Defining Response Functions
Strong benefit at low fire intensity decreasing to a strong loss at very high fire intensity.
Loss increases from slight loss at low intensity to strong loss at very high intensity.
Moderate to strong loss as fire intensity increases.
Human Habitation
18%
Major Infrastructure
12%
Range Land Values
6%
Recreation Resources
9%
Wildlife Habitat
9%
Timber 7%
Tribal Lands 6%
Watershed 18%
Ecosystem Function
15%
Decision Analysis Weighting of Relative Importance
Risk Transmission & Source
• Fire Spread
• WUI Issues
• Neighbors
Spatial Risk Results
Step 2: Develop an operational network of control opportunities
Potential wildfire Operational Delineations (PODs)
Operational units can be classified by risk-based strategic objectives
• Depending upon the point of ignition: measured response tailored to short and long-term objectives.
• Risk-based process to support fire management decisions.
• Justification of “management of wildfire to meet resource objectives.”
Planning
Planning PODs
(pPODS)
• Strategic
• Emphasis on long-term mgt. objectives
• Risk-based conceptual burn blocks
Response
Response PODs (rPODS)
• Flexible • incident-tailored
response that aligns with strategic planning
Two components
Identify and engage with a receptive audience
Tonto NF example
• Limited history of managing fire.
• Rough terrain, difficult to suppress fire.
• Safety concerns for fire responders
• Support from the RO to try something new.
• Experience with managed fire on other forests.
Application:
How to do this?
Predictive model of potential fire control locations based on past fires
Natural and constructed landscape features • Topography (complexity and position) • Slope, aspect, soils • Fuel type and density • Fuel/vegetation variability • Developed features (roads, infrastructure) • Barriers (rivers, lakes, impervious
surfaces)
Operational response effort • Resistance to control (Dillon et al. 2011,
2015) • Suppression difficulty index (SDI)
(Rodriguez y Silva et al. 2014) • Travel cost (accessibility to personnel
and equipment) Physical fire behavior • Rate of spread (FlamMap, Finney 2006)
Tonto NF Arizona, USA
O’Connor et al. 2017
Incorporates:
Machine learning model selects best predictors of final fire perimeter
Joseph Bradley and Manish Made, 2015
Averages results from thousands of individual regression trees • captures predictor
interactions • balance model fit with
prediction accuracy (Elith et al.
2008). 0% 5% 10% 15% 20% 25%
Distance from ridgeline
Distance from valley
Resistance to control (FPA)
Distance from flat
Suppression_difficulty
Distance from non-burnable
Rate of Spread (90th pct)
Travel_Cost (foot)
Distance from highway
Relative influence
Rank of Fire Perimeter Predictors
Modelled potential fire perimeter locations are a proxy for control opportunities. Function of: • Accessibility • Fuels (type and transition) • Natural barriers • Topography Model correctly classifies ~80% of fire perimeters from 1984-2012 (training data) Validated on subset (random 10%) of data
90th percentile fire weather example
Probability of fire perimeter
Field validation and update
Atlas of all possibilities
Prioritize control points by likelihood of success
Connector
Atlas of all possibilities
Repeating the 2016 single fire planning process for a whole forest
Repeating the 2016 single fire planning process for a whole forest
Translate the science into a plan
• Line officers
• Resource specialists
• Fire staff
• Develop language that suits everyone involved
• Roads • Fuel
transitions • Ridges or
valleys • Non-burnable
surfaces • Rate of spread • Resistance to
control
• Connect these into PODs
• Smaller PODs near highly valued resources
• POD boundaries can extend beyond forest boundary where necessary
Develop network of best available control locations from the Potential Control Location (PCL) Atlas
Planning PODs: Integrate the spatial wildfire risk output with defensible fire management locations
*
*Example based on 90th percentile fire weather conditions
Wildfire risk-based objectives grouped with strategic objectives reflected in the Landscape planning documents
Define both planning direction and strategic response strategies
Prior to fire season: Planning PODs can be used to: -Engage the public and partners -Discuss values at risk -Desired fire response Identify areas for priority treatments to expand a functional POD network and locations where additional stakeholder engagement may be necessary.
Integration with WFDSS
Wildfire risk-informed strategic response zones and their POD building blocks meet the requirements for spatial fire planning and provide a direct link between language in the Forest Plan and operational fire management.
2016 spatial fire plan for the Tonto
FMUs define Strategic Objectives and Management Requirements
Shape/FMU Type Strategic Objective/Management Requirement
1A
Strat Obj
Standard and Guidelines for the Tonto portion of Pine Mountain Wilderness will be adopted from Prescott National Forest Land and Resource Management plan since the Prescott assumes responsibility for management of this wilderness.
1B
Strat Obj
All suppression efforts will emphasize minimum impact strategies. Use of mechanized equipment for fireline construction is discouraged. Where use is necessary, rehabilitation will be implemented.
Sonoran Desert Mgmt Req
Wildland Fire occurring within the Sonoran Desert and riparian communities will receive an appropriate management response. Suppression strategy is to minimize damage within this ecosystem.
Recreation Sites Mgmt Req
Prevent Wildland Fire from destroying developed recreation improvements, including a five-chain wide buffer surrounding them.
Strategic objectives can be transferred to planning PODs
During active incident management
Response PODs: Flexible building blocks No single optimized solution Atlas to determine alternative strategies
During active incident management
• PCL atlas used to facilitate communication with IMTs and regional partners
• Visually represent response strategy options during team rotations and communications to the public.
• Use of different fire weather scenarios allows response strategies to change with the conditions on the ground.
During active incident management
• PCL atlas used to facilitate communication with IMTs and regional partners
• Visually represent response strategy options during team rotations and communications to the public.
• Use of different fire weather scenarios allows response strategies to change with the conditions on the ground.
Fire Season 2017
• Technical assistance to the Tonto for weather-specific simulations.
• RVS simulation of 2016-2017 1-hr fuel changes
• We’ll see how it goes
• This is an experiment with an informed and engaged subject • May be success, may be failure, definitely will be learning…
Some parting thoughts:
• Suite of tools to make informed, landscape-scale fire response decisions.
• Designed to improve upon the planning process both before and during an incident.
• Requires interpretation and deliberation to generate a plan that improves efficiency, safety, and both short and long-term outcomes.
Questions?