Hans Ole Ørka on Muck Rack

Hans Ole Ørka

As seen in: MDPI, Aftenposten
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Articles

Effect of Albedo Footprint Size on Relationships between Measured Albedo and Forest Attributes for Small Forest Plots

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By Hans Ole Ørka, Ole Martin Bollandsås, Erik Næsset, Eirik Næsset Ramtvedt
| MDPI
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
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Comparison of Different Remotely Sensed Data Sources for Detection of Presence of Standing Dead Trees Using a Tree-Based Approach

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By Terje Gobakken, Erik Næsset, Hans Ole Ørka, Marie-Claude Jutras-Perreault
| MDPI
1. Introduction Forest ecosystem services are recognized to be critically important to human well-being and economic prosperity [1]. However, undervaluation of services with a less direct monetary value in decision-making has led to the degradation of forest ecosystem condition and the loss in biodiversity, threatening the capacity of forest ecosystems to deliver services [2]. The presence of deadwood is a key ecological factor for biodiversity [3,4,5,6].
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Finner Norges eldste skoger med flyvende laser

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By Anne Sverdrup-Thygeson, professor ved Universitetet, Hans Ole Ørka
| Aftenposten Verified
Vi har ikke falkens vinger eller skarpe blikk, men vi har tekniske hjelpemidler som kombinerer behovet for små detaljer med behovet for oversikt over store arealer. Fjernmåling kalles målinger der det ikke er direkte kontakt mellom måleinstrumentet og det som skal måles. Ofte snakker vi om målinger gjort fra et fly eller en satellitt. Omtrent all skog i Norge er blitt brukt og påvirket av mennesker opp gjennom historien, men i ulik grad.
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