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Fire Ecology
Fig. 2 | Fire Ecology

Fig. 2

From: Retrospective analysis of burn windows for fire and fuels management: an example from the Lake Tahoe Basin, California, USA

Fig. 2

Burn window, and individual burn window component, frequency by day of year for the Lake Tahoe Basin, USA, from 1999 to 2019. Burn windows were composed of days with co-occurrence of permission to burn by the air quality regulators, sufficient resources needed for implementation, and weather within burn plan prescription criteria. The gray shaded area represents days when all three criteria were met (burn windows). The red line represents days that met burn plan prescription criteria. The blue line indicates California Air Resources (CARB) permissible burn days. The black line represents days when the Northern California Geographic Area preparedness level (PL) was less than 3

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