R. Pettersen

Publications13
h-index9
Citations257
Highly Influential Citations23
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Optical properties of CDOM across the Polar Front in the Barents Sea: Origin, distribution and significance
Underwater hyperspectral imagery to create biogeochemical maps of seafloor properties
Abstract: This chapter presents aspects of underwater hyperspectral imaging (UHI) techniques aimed at mapping biogeochemical objects of interest (OOI) on the seafloor. Case examples of…
Pigmentation and Spectral Absorbance Signatures in Deep-Water Corals from the Trondheimsfjord, Norway
TLDR
The pigmentation and corresponding in vivo and in vitro absorption characteristics in three different deep-water coral species: white and orange Lophelia pertusa, Paragorgia arborea and Primnoa resedaeformis, collected from the Trondheimsfjord, may provide important chemotaxonomic information for pigment when bonded to their proteins in vivo, bio-prospecting, and for in situ identification, mapping and monitoring of corals.
Characterization of canadian arctic fossil woods
Fossil woods from Axel Heiberg, Ellesmere, and Cornwallis islands in the Canadian Arctic were analyzed. Most specimens have been dated as Eocene, but one may be Paleocene, and as old as 65 million…
Development of hyperspectral imaging as a bio-optical taxonomic tool for pigmented marine organisms
TLDR
Describing species-specific absorption and corresponding reflection signatures of marine organisms and discussing optical fingerprints from underwater hyperspectral imaging (UHI) for future automated identification of organisms on the seafloor are discussed.
Underwater hyperspectral imaging for environmental mapping and monitoring of seabed habitats
Underwater hyperspectral imaging is a novel method for mapping and monitoring the seafloor. It uses the reflected light from objects under water to automatically identify them. This paper explains…
Underwater hyperspectral classification of deep sea corals exposed to a toxic compound
TLDR
Underwater hyperspectral imaging is evaluated as a method to detect changes in health status of both orange and white color morphs of the coral species Lophelia pertusa and is a first step towards developing a remote sensing technique able to assess environmental impact on deep-water coral habitats over larger areas.
Phytoplankton chemotaxonomy in waters around the Svalbard archipelago reveals high amounts of Chl b and presence of gyroxanthin-diester
TLDR
This paper is the first to show that the diversity around Svalbard includes all major phytoplankton pigment groups, and the results are seen in relation to other similar studies from the Arctic.
Early detection of marine non-indigenous species on Svalbard by DNA metabarcoding of sediment
TLDR
Metabarcoding proved to be an effective monitoring tool to detect the presence of new species in Svalbard marine waters and is advise its use to set up a baseline record for the existence of NIS at points of entry, especially harbours.
Underwater hyperspectral classification of deep sea corals exposed to 2-methylnaphthalene
TLDR
Underwater hyperspectral imaging is evaluated as a method to detect changes in health status of both orange and white color morphs of the coral species Lophelia pertusa and is a first step towards developing a remote sensing technique able to assess environmental impact on deep-water coral habitats over larger areas.
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