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Updated: Sep 10, 2025

Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

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Forzamientos de perturbación del dominio de Canadá de alta resolución adecuados para aplicaciones de modelado de la

Jason Beaver^1,2, Salvatore R Curasi^3,4,5, Joe R Melton⁶

¹Department of Geography & Environmental Studies, Carleton University, Ottawa, ON, Canada.

Scientific data

|August 22, 2025

Resumen

Este estudio reconstruye los datos históricos canadienses de incendios y cosechas de 1740-2018 para mejorar las simulaciones del modelo de superficie terrestre (LSM) del ciclo del carbono. Los nuevos factores de perturbación mejoran la comprensión de la dinámica del carbono forestal.

Área de la Ciencia:

Ecología
Sector forestal
Ciencias del clima

Sus antecedentes:

Los datos espaciales explícitos de incendios y cosechas son cruciales para las simulaciones del modelo de superficie terrestre (LSM) del ciclo del carbono.
Los conjuntos de datos de perturbaciones canadienses existentes son limitados antes de 1984, lo que dificulta el modelado del ciclo del carbono a largo plazo.

Objetivo del estudio:

Crear impulsores de perturbación explícitos desde el punto de vista espacial para Canadá que abarquen el período 1740-2018 para las simulaciones de LSM.
Desarrollar un nuevo algoritmo para reconstruir los datos históricos de perturbaciones utilizando la edad de referencia.

Principales métodos:

Catalogación y armonización de los conjuntos de datos de perturbaciones espaciales y aspaciales.
Desarrollo de un algoritmo novedoso para reconstruir datos históricos de incendios y cosechas utilizando la edad de soporte.
Complementación de los registros espaciales disponibles con datos reconstruidos para períodos con datos limitados.

Principales resultados:

Reconstruido 283-394 Mha de fuego y 3.42 Mha de cosecha en Canadá desde 1740-1918.
Reconstruido 25.79-60.30 Mha de fuego y 24.75 Mha de cosecha después de 1918.
Se han desarrollado factores de perturbación que capturan principalmente perturbaciones que sustituyen a las de los árboles en terrenos boscosos.

Conclusiones:

Los nuevos factores de perturbación mejoran la representación de los impactos mediados por perturbaciones en el ciclo de carbono terrestre de Canadá.
El algoritmo y los forzamientos desarrollados pueden aplicarse potencialmente a otras regiones para mejorar el modelado del ciclo del carbono.

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