John Abatzoglou

1 month ago | nature.com | Beverly Law |John Abatzoglou

AbstractClimate change has increased forest fire extent in temperate and boreal North America. Here, we quantified the contribution of anthropogenic climate change to human mortality and economic burden from exposure to wildfire particulate matter at the county and state level across the contiguous US (2006 to 2020) by integrating climate projections, climate-wildfire models, wildfire smoke models, and emission and health impact modeling.

Feb 7, 2025 | onlinelibrary.wiley.com | Daniel Swain |John Abatzoglou |Christine Albano |Manuela I. Brunner

On January 7 and 8, 2025, a series of wind-driven wildfires occurred in Los Angeles County in Southern California. Two of these fires ignited in dense woody chaparral shrubland and immediately burned into adjacent populated areas–the Palisades Fire on the coastal slopes of the Santa Monica Mountains and the Eaton fire in the foothills of the San Gabriel Mountains.

Jan 8, 2025 | nature.com | Daniel Swain |Andreas F. Prein |John Abatzoglou |Christine Albano |Manuela I. Brunner |Noah S. Diffenbaugh | +2 more

AbstractHydroclimate volatility refers to sudden, large and/or frequent transitions between very dry and very wet conditions. In this Review, we examine how hydroclimate volatility is anticipated to evolve with anthropogenic warming. Using a metric of ‘hydroclimate whiplash’ based on the Standardized Precipitation Evapotranspiration Index, global-averaged subseasonal (3-month) and interannual (12-month) whiplash have increased by 31–66% and 8–31%, respectively, since the mid-twentieth century.

Dec 3, 2024 | rmets.onlinelibrary.wiley.com | Kenneth Prewitt |John Abatzoglou |Joshua H. Viers |Colleen C. Naughton

1 Introduction Coffee is among the most traded commodities globally and of critical economic importance to approximately 25 million small farmers worldwide (Ovalle-Rivera et al. 2015). Almost all the world's coffee is grown in 60 countries located in the tropics (Santana et al. 2021).

Apr 21, 2024 | nature.com | Piyush Jain |John Abatzoglou

AbstractThe 2021 North American wildfire season was marked by record breaking fire-conducive weather and widespread synchronous burning, extreme fire behaviour, smoke and evacuations. Relative to 1979–2021, the greatest number of temperature and vapor pressure deficit records were broken in 2021, and in July alone, 3.2 million hectares burned in Canada and the United States.