Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Petter Norgren"'
Publikováno v:
IEEE Access, Vol 8, Pp 116586-116604 (2020)
Autonomous underwater vehicles can perform seabed surveys with a higher resolution and quality than from equivalent ship-mounted sensors. Although high-grade inertial navigation systems aided by Doppler velocity logs can operate without external posi
Externí odkaz:
https://doaj.org/article/400911cdc16e4b90b79f73e79688ff91
Autor:
Petter Norgren, Roger Skjetne
Publikováno v:
IEEE Access, Vol 6, Pp 26318-26337 (2018)
Using autonomous underwater vehicles (AUVs) for mapping underwater topography of sea-ice and icebergs, or detecting keels of ice ridges, is foreseen as enabling technology in future arctic marine operations. Wind, current, and Coriolis forces affect
Externí odkaz:
https://doaj.org/article/4f6ba297550c46d4869eea9cf1e2e930
Autor:
Petter Norgren, Roger Skjetne
Publikováno v:
Modeling, Identification and Control, Vol 35, Iss 4, Pp 263-277 (2014)
Due to the receding sea-ice extent in the Arctic, and the potentially large undiscovered petroleum resources present north of the Arctic circle, offshore activities in ice-infested waters are increasing. Due to the presence of drifting sea-ice and ic
Externí odkaz:
https://doaj.org/article/1674ba074af0416b97558e2e41b641df
Autor:
Jonathan H Cohen, Jørgen Berge, Mark A Moline, Asgeir J Sørensen, Kim Last, Stig Falk-Petersen, Paul E Renaud, Eva S Leu, Julie Grenvald, Finlo Cottier, Heather Cronin, Sebastian Menze, Petter Norgren, Øystein Varpe, Malin Daase, Gerald Darnis, Geir Johnsen
Publikováno v:
PLoS ONE, Vol 10, Iss 6, p e0126247 (2015)
The light regime is an ecologically important factor in pelagic habitats, influencing a range of biological processes. However, the availability and importance of light to these processes in high Arctic zooplankton communities during periods of 'comp
Externí odkaz:
https://doaj.org/article/728270fabb834677aa9e88111304d402
Publikováno v:
IEEE Journal of Oceanic Engineering
Fronts between Arctic- and Atlantic-origin waters are characterized by strong lateral gradients in temperature and salinity. Ocean processes associated with fronts are complex with considerable space and time variability. Therefore, resolving the pro
Autor:
Asgeir J. Sørensen, Petter Norgren, Ingrid Bouwer Utne, Jens E. Bremnes, Christoph Alexander Thieme
Publikováno v:
Marine Technology Society Journal. 54:16-39
Autonomous underwater vehicles (AUVs) are efficient sensor-carrying platforms for mapping and monitoring undersea ice. However, under-ice operations impose demanding requirements to the system, as it must deal with uncertain and unstructured environm
Publikováno v:
IEEE Access, Vol 8, Pp 116586-116604 (2020)
116586-116604
IEEE Access
116586-116604
IEEE Access
Autonomous underwater vehicles can perform seabed surveys with a higher resolution and quality than from equivalent ship-mounted sensors. Although high-grade inertial navigation systems aided by Doppler velocity logs can operate without external posi
Publikováno v:
Global Oceans 2020: Singapore – U.S. Gulf Coast.
In this paper we present an adaptive sampling strategy for Autonomous Underwater Vehicles (AUVs) seeking to explore and map ocean gradients using a hexagonal grid as its potential path. The laborious and deterministic method of pre-programming trajec
Publikováno v:
2020 IEEE/OES Autonomous Underwater Vehicles Symposium (AUV)(50043)
In-situ measurements under the sea-ice are important to understand the rapid climate changes that are occurring in the Arctic region. Autonomous Underwater Vehicles (AUVs) are suited for this application due to its large spatial and temporal coverage
Autor:
Eivind Kolås, Martin Ludvigsen, Trygve Olav Fossum, Ben Lincoln, Frank Nilsen, Ragnheid Skogseth, Jean Rabault, Aleksander D Libæk, Marika Marnela, Lars Robert Hole, Eva Falck, Andrew Siedl, Petter Norgren, Inga B Utkilen, Inger Lise Næss, Anthony Bosse, Ilker Fer, Malte Müller, Zoé Koenig
Publikováno v:
The Nansen Legacy Report Series.
The cruise KH 2018-709 aboard the Research Vessel Kronprins Haakon was the second process cruise of the project the Nansen Legacy. The cruise contributed to task T1-2, on process studies to investigate the atmospheric, oceanographic, radiative and ot