FireALT dataset: estimated active layer thickness for paired burned unburned sites measured from 2001-2023 ...

As the northern high latitude permafrost zone experiences accelerated warming, permafrost has become vulnerable to widespread thaw. Simultaneously, wildfire activity across northern boreal forests and Arctic/subarctic tundra regions impacts permafrost stability through the combustion of insulating o...

Full description

Bibliographic Details
Main Authors: Talucci, Anna, Loranty, Michael, Holloway, Jean, Rogers, Brendan, Alexander, Heather, Baillargeon, Natalie, Baltzer, Jennifer, Berner, Logan, Breen, Amy, Brodt, Leya, Buma, Brian, Delcourt, Clement, Diaz, Lucas, Dieleman, Catherine, Douglas, Thomas, Frost, Gerald, Gaglioti, Benjamin, Hewitt, Rebecca, Hollingsworth, Teresa, Jorgenson, M. Torre, Lara, Mark, Loehman, Rachel, Mack, Michelle, Manies, Kristen, Minions, Christina, Natali, Susan, O'Donnell, Jonathon, Olefeldt, David, Paulson, Alison, Rocha, Adrian, Saperstein, Lisa, Shestakova, Tatiana, Sistla, Seeta, Sizov, Oleg, Soromotin, Andrey, Turetsky, Merritt, Veraverbeke, Sander, Walvoord, Michelle
Format: Dataset
Language:English
Published: NSF Arctic Data Center 2024
Subjects:
permafrost
wildfire
thaw depth
active layer
active layer thickness
Arctic
Active layer thickness
albedo
Subarctic
Tundra
Online Access:https://dx.doi.org/10.18739/a2w950q33
https://arcticdata.io/catalog/view/doi:10.18739/A2W950Q33
Description
Summary:As the northern high latitude permafrost zone experiences accelerated warming, permafrost has become vulnerable to widespread thaw. Simultaneously, wildfire activity across northern boreal forests and Arctic/subarctic tundra regions impacts permafrost stability through the combustion of insulating organic matter, vegetation, and post-fire changes in albedo. Despite the importance of wildfire-permafrost interactions, little research has been conducted to understand differences across ecosystem types. To address this knowledge gap, we solicited observations of active layer thickness from paired burned and unburned sites across the northern high-latitude permafrost region. We compiled 52,466 permafrost thaw depth observations from 18 contributors collected as part of individual field studies. As thaw depths were taken at various times throughout the season, we estimated end-of-season active layer thickness for each measurement using the square root of additional air thawing degree days between the day of ...

Similar Items