HaraldJohnsen.jpg-Bredde-180px-
HaraldJohnsen.jpg-Bredde-180px-
Department of Physics and Technology harald.johnsen@uit.no Tromsø

Johnsen, Harald


Worktitle

Adjunct Professor / Earth Observation

Job description


  • Moiseev, Artem; Johnsen, Harald; Hansen, Morten Wergeland; Johannessen, Johnny Andre. Evaluation of Radial Ocean Surface Currents Derived From Sentinel-1 IW Doppler Shift Using Coastal Radar and Lagrangian Surface Drifter Observations. Journal of Geophysical Research (JGR): Space Physics 2020; Volum 125:e2019JC015743 (4). ISSN 2169-9380.s 1 - 18.s doi: 10.1029/2019JC015743.
  • Moiseev, Artem; Johnsen, Harald; Johannessen, Johnny Andre; Collard, Fabrice; Guitton, Gilles. On removal of sea state contribution to Sentinel-1 Doppler shift for retrieving reliable ocean surface current. Journal of Geophysical Research (JGR): Oceans 2020; Volum 125:e2020JC016288 (9). ISSN 2169-9275.s 1 - 13.s doi: 10.1029/2020JC016288.
  • Ardhuin, Fabrice; Brandt, Peter; Gaultier, Lucile; Donlon, Craig James; Battaglia, Alessandro; Boy, Francois; Casal, Tania; Chapron, Bertrand; Collard, Fabrice; Cravatte, Sophie; Delouis, Jean-Marc; De Witte, Erik; Dibarboure, Gerald; Engen, Geir; Johnsen, Harald; Lique, Camille; López-Dekker, Paco; Maes, Christophe; Martin, Adrien; Marie, Louis; Menemenlis, Dimitris; Nouguier, Frederic; Peureux, Charles; Rampal, Pierre; Ressler, Gerhard; Rio, Marie-Helene; Rommen, Bjorn; Shutler, Jamie D.; Suess, Martin; Tsamados, Michel; Van Sebille, Erik; Ubelmann, Clement; Van den Oever, Martin; Stammer, Detlef. SKIM, a Candidate Satellite Mission Exploring Global Ocean Currents and Waves. Frontiers in Marine Science 2019; Volum 6 (209). ISSN 2296-7745.s doi: 10.3389/fmars.2019.00209.
  • Gommenginger, Christine; Chapron, Bertrand; Hogg, Andy; Buckingham, Christian; Fox-Kemper, Baylor; Eriksson, Leif A; Soulat, Francois; Ubelmann, Clement; Ocampo-Torres, Francisco; Buongiorno Nardelli, Bruno; Griffin, David; López-Dekker, Paco; Knudsen, Per; Andersen, Ole; Stenseng, Lars; Stapleton, Neil; Perrie, William; Violante-Carvalho, Nelson; Schulz-Stellenfleth, Johannes; Woolf, David; Isern-Fontanet, Jordi; Ardhuin, Fabrice; Klein, Patrice; Mouche, Alexis; Pascual, Ananda; Capet, Xavier; Hauser, Danièle; Stoffelen, Ad; Morrow, Rosemary; Aouf, Lotfi; Breivik, Øyvind; Fu, Lee-Lueng; Johannessen, Johnny Andre; Aksenov, Yevgeny; Bricheno, Lucy; Hirschi, Joel; Martin, Adrien C. H; Martin, Adrian P.; Nurser, George; Polton, Jeff; Johnsen, Harald; Wolf, Judith; Soloviev, Alexander; Jacobs, Gregg A.; Collard, Fabrice; Groom, Steve; Kudryavtsev, Vladimir; Wilkin, John; Navarro, Víctor; Babanin, Alex; Martin, Matthew; Siddorn, John; Saulter, Andrew; Rippeth, Tom; Emery, Bill; Maximenko, Nikolai; Romeiser, Roland; Graber, Hans; Azcarate, Aida Alvera; Hughes, Chris W.; Vandemark, Doug; Da Silva, Jose; van Leeuwen, Peter Jan; Naveira-Garabato, Alberto; Gemmrich, Johannes; Mahadevan, Amala; Marquez, Jose; Munro, Yvonne; Doody, Sam; Geoff, Burbidge. SEASTAR: A Mission to Study Ocean Submesoscale Dynamics and Small-Scale Atmosphere-Ocean Processes in Coastal, Shelf and Polar Seas. Frontiers in Marine Science 2019; Volum 6 (457). ISSN 2296-7745.s doi: 10.3389/fmars.2019.00457.
  • Monteban, Dennis; Johnsen, Harald; Lubbad, Raed. Spatiotemporal observations of wave dispersion within sea ice using Sentinel-1 SAR TOPS mode. Journal of Geophysical Research (JGR): Oceans 2019; Volum 124 (12). ISSN 2169-9275.s 8522 - 8537.s doi: 10.1029/2019JC015311.
  • Monteban, Dennis; Lubbad, Raed; Johnsen, Harald. Sentinel-1 sar observations of peak wavelength and dominant wave direction in the marginal ice zone of the barents sea. Proceedings - International Conference on Port and Ocean Engineering under Arctic Conditions 2019; Volum 2019-June. ISSN 0376-6756.
  • Johnsen, Harald; Engen, Geir; Nilsen, Vegard. A Novel Approach to SAR Ocean Wind Retrieval. IEEE Transactions on Geoscience and Remote Sensing 2019; Volum 57 (19). ISSN 0196-2892.s 6986 - 6995.s doi: 10.1109/TGRS.2019.2909838.
  • Hansen, Morten Wergeland; Johnsen, Harald; Park, Jeong-Won; Engen, Geir. A new look at Envisat ASAR range Doppler shift retrieval with the aim of reprocessing ten years of level-0 data. VDE Verlag GmbH 2018 ISBN 978-3-8007-4636-1.s 1423 - 1428.
  • Boccia, Valentina; De Witte, Erik; Roselló, Josep; Tossaint, Michel; Donlon, Craig J.; Scipal, Klaus.; Burbidge, Geoff; Johnsen, Harald; Fois, Franco; Engen, Geir; Bibby, David. StereoSAR: A multi-static SAR mission concept to enhance Sentinel-1 capabilities for measuring ocean dynamics. Proceedings of SPIE, the International Society for Optical Engineering 2017; Volum 10423. ISSN 0277-786X.s doi: 10.1117/12.2278089.
  • Kræmer, Thomas; Johnsen, Harald; Brekke, Camilla; Engen, Geir. Comparing SAR based short time-lag cross-correlation and Doppler derived sea ice drift velocities. IEEE Transactions on Geoscience and Remote Sensing 2017; Volum 56 (4). ISSN 0196-2892.s 1898 - 1908.s doi: 10.1109/TGRS.2017.2769222.
  • Faozi, Said; Johnsen, Harald; Nouguier, Frédéric; Chapron, Bertrand; Engen, Geir. Onto a skewness approach to the generalized curvature ocean surface scattering model. IEEE Transactions on Geoscience and Remote Sensing 2017; Volum 55 (10). ISSN 0196-2892.s 5843 - 5853.s doi: 10.1109/TGRS.2017.2715986.
  • Johnsen, Harald; Nilsen, Vegard; Engen, Geir; Mouche, Alexis A.; Collard, Fabrice. Ocean Doppler anomaly and ocean surface current from Sentinel 1 tops mode.. IEEE International Geoscience and Remote Sensing Symposium proceedings 2016. ISSN 2153-6996.s 3993 - 3996.s doi: 10.1109/IGARSS.2016.7730038.
  • Almeida, Nuno; Catarino, Nuno; Gutiérrez, Antonio; Grosso, Nuno; Andrade, João; Caumont, Hervé; Gonçalves, Pedro; Villa, Guillermo; Mangin, Antoine; Serra, Romain; Johnsen, Harald; Grydeland, Tom; Emsley, Stephen; Jauch, Eduardo; Moreno, Jose; Ruiz, Antonio. SENSYF experience on integration of EO services in a generic, cloud-based EO exploitation platform. ESA SP 2016; Volum SP-740. ISSN 0379-6566.s 1 - 5.
  • Kræmer, Thomas; Johnsen, Harald; Brekke, Camilla. Emulating sentinel-1 Doppler radial ice drift measurements using envisat ASAR data. IEEE Transactions on Geoscience and Remote Sensing 2015; Volum 53 (12). ISSN 0196-2892.s 6407 - 6418.s doi: 10.1109/TGRS.2015.2439044.
  • Said, Faozi; Johnsen, Harald; Chapron, Bertrand; Engen, Geir. An ocean wind Doppler model based on the generalized curvature ocean surface scattering model. IEEE Transactions on Geoscience and Remote Sensing 2015; Volum 53 (12). ISSN 0196-2892.s 6632 - 6638.s doi: 10.1109/TGRS.2015.2445057.
  • Said, Faozi; Johnsen, Harald. Ocean Surface Wind Retrieval From Dual-Polarized SAR Data Using the Polarization Residual Doppler Frequency. IEEE Transactions on Geoscience and Remote Sensing 2014; Volum 52 (7). ISSN 0196-2892.s 3980 - 3990.s doi: 10.1109/TGRS.2013.2278550.
  • Kræmer, Thomas; Johnsen, Harald; Brekke, Camilla. Improving Doppler frequency estimation from Envisat data. IEEE International Geoscience and Remote Sensing Symposium proceedings 2014. ISSN 2153-6996.s 1124 - 1127.s doi: 10.1109/igarss.2014.6946627.
  • Giudici, D.; Villa, A.; Recchia, L.; Guarnieri, A. M.; Johnsen, Harald; Meadows, P.; Mouche, A.; Miranda, N.; Ottavianelli, Giuseppe. Long term PS-Cal analysis of ERS and ASAR data and comparison to other calibration techniques.. (data) VDE Verlag GmbH 2014 ISBN 978-3-8007-3607-2.s 1 - 4.
  • Engen, Geir; Johnsen, Harald; Larsen, Yngvar. Sentinel-1 Geophysical Doppler Product - Performance and Application. (data) VDE Verlag GmbH 2014 ISBN 978-3-8007-3607-2.
  • Engen, Geir; Johnsen, Harald. High-precision Doppler estimation for ocean applications. ESA SP 2012. ISSN 0379-6566.s 1 - 17.
  • Said, Faozi; Johnsen, Harald. Assessment of ocean wind retrieval from dual-polarized x-band SAR data. (data) (fulltekst) VDE Verlag GmbH 2012 ISBN 978-3-8007-3404-7.s 653 - 656.
  • Said, Faozi; Johnsen, Harald. Sea surface wind retrieval using both normalized radar cross-section and polarization residual Doppler frequency from TerraSAR-X data. (data) IEEE conference proceedings 2012; Volum 50 (12) ISBN 978-1-4673-1159-5. ISSN 0196-2892.s 2063 - 2066.s doi: 10.1109/tgrs.2013.2278550.
  • Johnsen, Harald; Collard, Fabrice. SAR wave processing – improvements towards Sentinel-1 mission. (fulltekst) ESA SP 2012. ISSN 0379-6566.
  • Collard, Fabrice; Aouf, L; Johnsen, Harald. Wave mode processing algorithms, product validation and assimilation. Wave retrievals and applications - White Paper. ESA SP 2012. ISSN 0379-6566.
  • Johnsen, Harald; Engen, Geir; Gilles, Guitton. Sea surface polarization ratio from Envisat ASAR AP Data. IEEE Transactions on Geoscience and Remote Sensing 2008; Volum 46 (11). ISSN 0196-2892.s 3637 - 3646.s doi: 10.1109/TGRS.2008.2001061.
  • Engen, Geir; Johnsen, Harald; Pedersen, Ida Friestad; Elfouhaily, Tanos. Curvature Effects in Ocean Surface Scattering. IEEE Transactions on Antennas and Propagation 2006; Volum 54 (5). ISSN 0018-926X.s 1370 - 1379.s doi: 10.1109/TAP.2006.874309.
  • Olsen, Bjørnar; Johnsen, Harald. Hermeneutics and archaeology: on the philosophy of contextual archaeology. Continuum 2000 ISBN 0-7185-0192-6.s 97 - 117.
  • Engen, Geir; Johnsen, Harald; Vachon, P.W.. Retrieval of Ocean Wave Spectra and RAR MTF’s From Dual-Polarization SAR Data. IEEE Transactions on Geoscience and Remote Sensing 1999; Volum 38 (1). ISSN 0196-2892.s 391 - 403.
  • Guneriussen, Tore; Johnsen, Harald; Solberg, Rune; Volden, Espen. Snow monitoring using EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95. (fulltekst) Ukjent 1997.s 631 - 633.
  • Guneriussen, Tore; Johnsen, Harald; Solberg, Rune; Volden, Espen. EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95. (fulltekst) Ukjent 1997.s 111 - 119.
  • Engen, Geir; Johnsen, Harald. SAR-Ocean Wave Inversion Using Image Cross Spectra. IEEE Transactions on Geoscience and Remote Sensing 1995; Volum 33 (4). ISSN 0196-2892.s 1047 - 1056.s doi: 10.1109/36.406690.
  • Johnsen, Harald. Scientific Assessment of TSCV Retrievals from Stereo-SAR – A critical Review. (4/2018). 2018 ISBN 978-82-7492-403-1.
  • Johnsen, Harald. Ocean Current from Sentinel-1 Doppler. Chalmers Seminar 2018 2018-12-07 - 2018-12-07 2018.
  • Nilsen, Vegard; Johnsen, Harald; Engen, Geir. A novel approach to SAR ocean wind retrieval. SEASAR2018, 7-10 May,2018, ESRIN,Frascati 2018-05-07 - 2018-05-10 2018.
  • Johnsen, Harald. Ocean Current from Space Radars - challenges and opportunities. CIRFA Seminar 2018-09-13 - 2018-09-13 2018.
  • Hansen, Morten Wergeland; Johnsen, Harald; Engen, Geir; Park, Jeong-Won; Moiseev, Artem. Improved knowledge of high latitude ocean circulation with Synthetic Aperture Radar (ISAR) ESA-PRODEX-ISAR FINAL REPORT. 2018 (397).
  • Hansen, Morten Wergeland; Johnsen, Harald; Park, Jeong-Won; Engen, Geir. A new look at Envisat ASAR range Doppler shift retrieval with the aim of reprocessing ten years of level-0 data. EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar 2018-06-04 - 2018-06-07 2018.
  • Hansen, Morten Wergeland; Johnsen, Harald; Engen, Geir; Nilsen, Jan Even Øie. Improved measurement of sea surface velocity from synthetic aperture radar. EGU General Assembly (sammendrag) 2017-04-24 - 2017-04-28 2017.
  • Hansen, Morten Wergeland; Park, Jeong-Won; Johnsen, Harald; Engen, Geir. Improved measurement of sea surface velocity from synthetic aperture radar. EuroGOOS International Conference: Operational Oceanography serving sustainable marine development 2017-10-03 - 2017-10-05 2017.
  • Boccia, Valentina; Witte, Erik De; Rosello, Josep; Tossaint, Michel; Donlon, Craig J.; Scipal, Klaus.; Burbidge, Geoff; Johnsen, Harald; Engen, Geir. A multi-static SAR mission concept enhancing Sentinel-1 capability in surface current dynamics retrieval. SPIE Remote Sensing 2017, 11-14 Sep., Warsaw, Poland 2017-09-11 - 2017-09-13 2017.
  • Johnsen, Harald; Engen, Geir. Doppler shifts retrieval from Sentinel 1 - Status and Way Forward. GlobCurrent Workshop, 21-23 March 2017, ESA/ESRIN, Frascati, Italy (prosjekt) 2017-03-21 - 2017-03-23 2017.
  • Hansen, Morten Wergeland; Engen, Geir; Johnsen, Harald; Johannessen, Johnny Andre; Korosov, Anton. Improved measurements of sea surface velocity from Envisat ASAR and Sentinel-1. ESA Living Planet Symposium 2016-05-09 - 2016-05-13 2016.
  • Johnsen, Harald. Ocean Currents and Sentinel 1. Ocean Current Workshop, 2-3 Nov 2015 2015-11-02 - 2015-11-03 2015.
  • Johnsen, Harald; Collard, Fabrice. ERS Wave mission reprocessing – QC support - Envisat mission extension support: Assessment of WV Product Quality after Orbit Change. (1/2014). 2014 ISBN 978-82-7492-279-2.
  • Larsen, Yngvar; Johnsen, Harald; Marinkovic, Petar; Hooper, Andrew; Wright, Tim; González, Pablo; Perski, Zbigniew; Dehls, John F.. Sentinel-1 for InSAR based scientific applications. INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014-12-10 - 2014-12-11 2014.
  • Larsen, Yngvar; Johnsen, Harald; Marinkovic, Petar; Hooper, Andrew; Wright, Tim; González, Pablo; Perski, Zbigniew; Dehls, John F.. Sentinel-1 TOPS - technical challenges (and opportunities). INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014-12-10 - 2014-12-11 2014.
  • Larsen, Yngvar; Johnsen, Harald; Marinkovic, Petar; Hooper, Andrew; Wright, Tim; González, Pablo; Perski, Zbigniew; Dehls, John F.. InSARap at a glance - Team B. INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014-12-10 - 2014-12-11 2014.
  • Larsen, yngvar; Malnes, Eirik; Johnsen, Harald; Lauknes, Tom Rune; Eckerstorfer, Markus. TerraSAR-X data used for monitoring snow water equivalent and permafrost on Svalbard. 5. TerraSAR-X Science Team Meeting 2013-06-10 - 2013-06-14 2013.
  • Miranda, N.; Rosich, B.; Meadows, P.J.; Haria, K.; Small, D.; Schubert, A.; Lavalle, M.; Collard, F.; Johnsen, Harald; Monti Guarnieri, A.; D´Aria, D.. THE ENVISAT ASAR MISSION: A LOOK BACK AT 10 YEARS OF OPERATION. Living Planet Symposium - 2013 2013-09-09 - 2013-09-13 2013.
  • Malnes, Eirik; Johnsen, Harald; Christiansen, Hanne H; Farnsworth, Wesley R.. Backscatter Sensitivity Analysis Using TerraSAR-X Data. Living Planet Symposium - 2013 2013-09-09 - 2013-09-13 2013.
  • Johnsen, Harald; Engen, Geir. SAR Doppler for Ocean Current Measurement - processing requirements and performance. Ocean Current Workshop, 6-8 May 2013, ESTEC 2013-05-06 - 2013-05-08 2013.
  • Amlien, Jostein; Johnsen, Harald. Oversikt over tilgjengelige satellittdata relevant or kryosfæren (KryoNor1 WP 1100). 2003 (SAMBA/08/03).
  • Rognes, Anders; Amlien, Jostein; Johnsen, Harald; Solberg, Rune. Kostnytteanalyse (KryoNor1 WP1300). 2003 (SAMBA/10/03).
  • Alteren, Gro; Solheim, Inger; Johnsen, Harald; Buanes, Arild, NORUT Samfunn. Vedlegg til markedsundersøkelse romjordteknologi. 2000.
  • Alteren, Gro; Solheim, Inger; Johnsen, Harald; Buanes, Arild, NORUT Samfunn. Markedsundersøkelse romjordteknologi. 2000.
  • Johnsen, Harald; Koskinen, Jarkko; Rautiainen, Kimmo; Hallikainen, Martti; Standley, Andy; Solberg, Rune. Preprocessing algorithms - a review. 1997.
  • Look at all works in CRIStin →