Biografi

Forskningsinteresser: - Økologisk klimatologi - Albedo dynamikk i boreale skoger - Landoverflate modellering - Klimaberegninger for skogbruk og annen arealbruk Seneste publikasjoner

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Sammendrag

Norske skog- og landområder tar opp store mengder CO₂ hvert år. De siste ti årene har imidlertid dette karbonopptaket blitt redusert med hele 40 prosent. Mye av forklaringen er eldre skog, tørke, barkbiller og skogdød.

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Sammendrag

Large‐scale re‐/afforestation projects afford sizable atmospheric CO2 removals yet questionsloom surrounding their potentially offsetting biogeophysical radiative forcings. Forest area change alters notonly the surface albedo but also heat, moisture, and momentum fluxes, which in turn modify the atmosphere'sradiative, thermodynamical, and dynamical properties. These so‐called radiative forcing “adjustments” havebeen little examined in re‐/afforestation contexts, and many questions remain surrounding their relevance inrelation to the instantaneous forcing from the surface albedo change—and whether they can affect Earth'sradiative energy balance in regions remote from where the re‐/afforestation occurs. Here, we quantifiedbiogeophysical radiative forcings and adjustments from realistically scaled re‐/afforestation in Europe at highspatial resolution and found that adjustments with high signal‐to‐noise were largely confined to only a fewmonths and to the region of re‐/afforestation. Adjustments were dominated by perturbed low‐level clouds andrarely exceeded ±25% of the annual albedo change forcing.

Skogskader Ørsta Lars Dalen 20160412

Divisjon for bioteknologi og plantehelse

FORESIGHT: Forest opportunities, risks and ecosystem services in a changing climate in Norway


Skog er i stadig større grad utsatt for press fra klimaendringer, nye skadegjørere og mer ekstremvær. Når slike forstyrrelser opptrer samtidig – eller påvirker hverandre – kan risikoen for store skader øke kraftig. FORESIGHT-prosjektet tar mål av seg til å forstå nettopp disse sammensatte utfordringene, og gjøre kunnskapen nyttig i praksis.

Active Updated: 26.02.2026
End: jan 2029
Start: jan 2026
Skogskader Ørsta Lars Dalen 20160412

Divisjon for bioteknologi og plantehelse

FORESIGHT: Forest opportunities, risks and ecosystem services in a changing climate in Norway


Forest ecosystems are increasingly under pressure from climate change, emerging pests and pathogens, and more frequent extreme weather events. When such disturbances occur simultaneously—or interact with one another—the risk of severe damage can increase substantially. The FORESIGHT project aims to understand these complex, interacting challenges and to translate this knowledge into practical applications.

Active Updated: 26.02.2026
End: jan 2029
Start: jan 2026