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Displaying 1 - 10 of 59
Albores, Buchholz, Ortega, Emmons, Hannigan, Lacey, Pfister, Tang, Worden
The wildfire season in the Western United States (U.S.) was anomalously large in 2020, with a majority of burned area due to lightning ignitions resulting in overall fire emissions of carbon monoxide (CO) in the Western region almost 3 times the…
Year: 2023
Type: Document
Kelp, Carroll, Liu, Yantosca, Hockenberry, Mickley
Smoke from wildfires presents one of the greatest threats to air quality, public health, and ecosystems in the United States, especially in the West. Here we quantify the efficacy of prescribed burning as an intervention for mitigating smoke…
Year: 2023
Type: Document
Juliano, Jiménez, Kosović, Eidhammer, Thompson, Berg, Fast, Motley, Polidori
The 2020 wildfire season (May through December) in the United States was exceptionally active, with the National Interagency Fire Center reporting over 10 million acres (40,000 km2) burned. During the September 2020 wildfire events, large…
Year: 2022
Type: Document
Saito, Shiraishi, Hirata, Niwa, Saito, Steinbacher, Worthy, Matsunaga
Emissions from biomass burning (BB) are a key source of atmospheric tracer gases that affect the atmospheric carbon cycle. We developed four sets of global BB emissions estimates (named GlcGlob, GlcGeoc, McdGlob, and McdGeoc) using a bottom-up…
Year: 2022
Type: Document
McCaffrey, Rappold, Hano, Navarro, Phillips, Prestemon, Vaidyanathan, Abt, Reid, Sacks
At a fundamental level, smoke from wildland fire is of scientific concern because of its potential adverse effects on human health and social well-being. Although many impacts (e.g., evacuations, property loss) occur primarily in proximity to the…
Year: 2022
Type: Document
Zhou, Wang, Chen, Xu, Colarco, Miller, Reid, Kondragunta, Giles, Holben
An algorithm for retrieving nighttime aerosol optical depth (AOD) from the Visible Infrared Imaging Radiometer Suite (VIIRS) Day-Night Band (DNB) observations of reflected moonlight is presented for rural areas during the western U.S. fire seasons.…
Year: 2021
Type: Document
Stowell, Yang, Fu, Scovronick, Strickland, Liu
Climate change and human activities have drastically altered the natural wildfire balance in the Western US and increased population health risks due to exposure to pollutants from fire smoke. Using dynamically downscaled climate model projections,…
Year: 2021
Type: Document
Li, Tong, Ma, Zhang, Kundragunta, Li, Saylor
The western United States experienced a record-breaking wildfire season in 2020. This study quantifies the contribution of wildfire emissions to the exceedances of health-based National Ambient Air Quality Standard (NAAQS) for fine particles (PM2.5…
Year: 2021
Type: Document
Sorensen, House, O'Dell, Brey, Ford, Pierce, Fischer, Lemery, Crooks
Wildfire smoke is a growing public health concern in the United States. Numerous studies have documented associations between ambient smoke exposure and severe patient outcomes for single fire seasons or limited geographic regions. However, there…
Year: 2021
Type: Document
Higuera, Abatzoglou
The 2020 fire season in the western United States (the West) has been staggering: over 2.5 million ha have burned as of 31 September, including over 1.5 million ha in California (3.7% of the state), in part from five of the six largest fires in…
Year: 2021
Type: Document