“Feeding the fire: annual grass invasion facilitates modeled fire spread across Inland Northwest forest-mosaic landscapes” Tortorelli et al. 2022, Ecosphere

FSim simulated fire comparisons between ventenata invaded and uninvaded landscapes, Blue Mountains Ecoregion, OR, USA

Supporting data are available from Open Science Framework DOI 10.17605/OSF.IO/9AWTS

Point grid at 120m resolution, column descriptions below:

>foa10_ = FSim output for invaded scenario (120 m resolution)

>foa12_ = FSim output for uninvaded scenario (120m resolution)

• X1: unique identifier

• OID: coordinates

• X: X coordinate

• Y: Y coordinate

• foa10BP: BP from invaded simulation (FSim output at 120 m resolution)

• us_140frg: fire regime group from LANDFIRE 1.4.0 (resampled to 120m resolution from 30m resolution)

• us_200vcc: Landfire existing vegetation type from LANDFIRE 2.0.0 (resampled to 120m resolution from 30m resolution)

• foa10CFL: conditional flame length from invaded simulation (FSim output at 120 m resolution)

• foa10MI: mean intensity from invaded simulation (FSim output at 120 m resolution)

• SAF_SRM: SAF SRM vegetation classification from LANDFIRE (resampled to 120m resolution from 30m resolution)

• reclass: Reclassified LANDFIRE vegetation class with some lumping described in Appendix S1

• alteredFM2: 1 = fuel model was altered to reflect invasion, NA = fuel model was not altered from uninvaded simulation

• PRE_FM40: Scott & Burgan 40 fuel model classification from LANDFIRE for the uninvaded simulation (resampled to 120m resolution from 30m resolution)

• Post_FM40: Scott & Burgan 40 fuel model classification from LANDFIRE for the invaded simulation (resampled to 120m resolution from 30m resolution)

• EucDist2: Euclidean distance to nearest invaded cell (calculated in ArcGIS)

• Foa12MI: mean intensity from uninvaded simulation (FSim output at 120 m resolution)

• Foa12BP: burn probability from uninvaded simulation (FSim output at 120 m resolution)

• Foa12CFL: conditional flame length for uninvaded simulation (FSim output at 120 m resolution)

• difMI: difference in mean intensity between invaded and uninvaded simulation

• difBP: difference in burn probability between invaded and uninvaded simulation

• foa10FIL1 through foa10FIL6: Flame length exceedance probabilities for the 6 flame length categories for the invaded simulation (FSim output at 120 m resolution)

• foa12FIL1 through foa12FIL6: Flame length exceedance probabilities for the 6 flame length categories for the uninvaded simulation (FSim output at 120 m resolution)

• foa10FIL8: cumulative probability of exceeding 8 ft flame lengths for invaded simulation

• foa12FIL8: cumulative probability of exceeding 8 ft flame lengths for uninvaded simulation

• difFIL8: difference between invaded and uninvaded simulations of flame lengths exceeding 8 ft

• foa10FILg4: cumulative probability of exceeding 4 ft flame lengths for invaded simulation

• foa12FILg4: cumulative probability of exceeding 4 ft flame lengths for uninvaded simulation

• difFILg4: difference between invaded and uninvaded simulations of flame lengths exceeding 4 ft

Descriptions for columns below:

• Shape_Area – size of intersecting polygon between vegetation types for each fire

• AffectedCode – vegetation type that fire spread into

• IgnitionCode- vegetation type that ignition occurred in

• FIRENO – unique fire identifier that corresponds with ignition locations