Dr. Crystal A. Kolden

@pyrogeog.bsky.social

5881 Followers 85 Following

Pyrogeographer. I study wildfire in the era of anthropogenic climate change. Former wildland firefighter. Opinions are my own. *she/her* 🔥🔥🔥

Flyer header that shows a photo of John Mills and states the date and time as April 17, 2025 from 1-3 pm for the 2025 Wildfire outlook.
Map showing the number of times a location has burned in SoCal and which kind of fire it was: one burning under Santa Ana winds, or one that was a summer, fuel-driven fire without Santa Ana winds. Malibu area had burned at least 8 times from 1900-2017, and has burned twice now since. Image from Kolden and Abatzoglou (2018): https://www.mdpi.com/2571-6255/1/2/19
Image shows estimate of Palisades active fire location from VIIRS sensor, with red dots in the ocean and places on the east side of the fire in Santa Monica that do not actually represent active fire.
Yosemite Valley viewed from the Tunnel View.
¿field curious? program creator and Associate Director of the UC Merced Natural Reserves Dr. Jessica Malisch sports rainbow shades as a sign of inclusivity and silliness.
Students stand around a giant sequoia with their hands on the trunk.
A student wearing a University of California Merced Natural Reserve System shirt holds a praying mantis on his hand.
Ranger Shelton Johnson explains the history of Yosemite National Park to UC Merced students.
Ranger Shelton Johnson talks to UC Merced undergraduates about their Yosemite National Park.
Students listen as upperclass 'near peers' talk about their journeys and pathways next to the Merced River in Yosemite Valley.
Students stand around several large burlap bags of acorns they gathered in a black oak grove in Yosemite Valley.
Students holding field tape measures next to large trees that they are measuring.
Students with yellow UC Merced backpacks standing around a park ranger and looking at giant sequoia trees.
Dashboard table showing population impacted by the Mountain Fire from CALFIRE website.
Picture of firefighter in Nomex in front of a green fire engine.