Harald Johnsen
Chief Scientist
hjoh@norceresearch.no
+47 951 73 353
Tromsø Forskningspark, Sykehusvn 23, 9019 Tromsø
Division
Energy & Technology
Research Groups
More information about Harald
Publications
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Academic articleTowards Retrieving Reliable Ocean Surface Currents in the Coastal Zone From the Sentinel-1 Doppler Shift Observations– Journal of Geophysical Research (JGR): Oceans 2022
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Academic articleDirect Comparison of Sea Surface Velocity Estimated From Sentinel-1 and TanDEM-X SAR Data– IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 2022
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Academic articleComparison of Simulated Offshore Wind Farm Wakes and SAR Images– International Journal of Offshore and Polar Engineering 2022
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Research reportAssessment of calibrated Sentinel-1 OCN RVL products– NORCE Norwegian Research Centre 2022
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Academic articleHigh-resolution polar low winds obtained from unsupervised sar wind retrieval– Remote Sensing 2021
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Academic articleOn removal of sea state contribution to Sentinel-1 Doppler shift for retrieving reliable ocean surface current– Journal of Geophysical Research (JGR): Oceans 2020
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Academic articleEvaluation 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
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Academic articleSEASTAR: A Mission to Study Ocean Submesoscale Dynamics and Small-Scale Atmosphere-Ocean Processes in Coastal, Shelf and Polar Seas– Frontiers in Marine Science 2019
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Academic articleSpatiotemporal observations of wave dispersion within sea ice using Sentinel-1 SAR TOPS mode– Journal of Geophysical Research (JGR): Oceans 2019
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Academic articleSentinel-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
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Academic articleA Novel Approach to SAR Ocean Wind Retrieval– IEEE Transactions on Geoscience and Remote Sensing 2019
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Academic articleSKIM, a Candidate Satellite Mission Exploring Global Ocean Currents and Waves– Frontiers in Marine Science 2019
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Academic chapterA new look at Envisat ASAR range Doppler shift retrieval with the aim of reprocessing ten years of level-0 data– 2018
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Conference lectureOcean Current from Sentinel-1 Doppler– Chalmers Seminar 2018 2018
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Conference lectureA novel approach to SAR ocean wind retrieval– SEASAR2018, 7-10 May,2018, ESRIN,Frascati 2018
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Conference lectureOcean Current from Space Radars - challenges and opportunities– CIRFA Seminar 2018
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Research reportImproved knowledge of high latitude ocean circulation with Synthetic Aperture Radar (ISAR) ESA-PRODEX-ISAR FINAL REPORT– Nansen Senter for Miljø og Fjernmåling 2018
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Conference lectureA 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
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Research reportScientific Assessment of TSCV Retrievals from Stereo-SAR – A critical Review. (4/2018)– Norut 2018
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Conference lectureImproved measurement of sea surface velocity from synthetic aperture radar– EuroGOOS International Conference: Operational Oceanography serving sustainable marine development 2017
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Academic articleStereoSAR: 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
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Conference lectureA multi-static SAR mission concept enhancing Sentinel-1 capability in surface current dynamics retrieval– SPIE Remote Sensing 2017, 11-14 Sep., Warsaw, Poland 2017
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Conference lectureDoppler shifts retrieval from Sentinel 1 - Status and Way Forward– GlobCurrent Workshop, 21-23 March 2017, ESA/ESRIN, Frascati, Italy 2017
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Academic articleComparing SAR based short time-lag cross-correlation and Doppler derived sea ice drift velocities– IEEE Transactions on Geoscience and Remote Sensing 2017
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Academic articleOnto a skewness approach to the generalized curvature ocean surface scattering model– IEEE Transactions on Geoscience and Remote Sensing 2017
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Academic articleSENSYF experience on integration of EO services in a generic, cloud-based EO exploitation platform– ESA SP 2016
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Academic articleOcean Doppler anomaly and ocean surface current from Sentinel 1 tops mode.– IEEE International Geoscience and Remote Sensing Symposium proceedings 2016
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Conference lectureOcean Currents and Sentinel 1– Ocean Current Workshop, 2-3 Nov 2015 2015
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Academic articleAn ocean wind Doppler model based on the generalized curvature ocean surface scattering model– IEEE Transactions on Geoscience and Remote Sensing 2015
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Academic articleEmulating sentinel-1 Doppler radial ice drift measurements using envisat ASAR data– IEEE Transactions on Geoscience and Remote Sensing 2015
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Research reportERS Wave mission reprocessing – QC support - Envisat mission extension support: Assessment of WV Product Quality after Orbit Change. (1/2014)– Norut 2014
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Academic articleImproving Doppler frequency estimation from Envisat data– IEEE International Geoscience and Remote Sensing Symposium proceedings 2014
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Academic chapterLong term PS-Cal analysis of ERS and ASAR data and comparison to other calibration techniques.– 2014
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Conference lectureSentinel-1 for InSAR based scientific applications– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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Conference lectureSentinel-1 TOPS - technical challenges (and opportunities)– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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Conference lectureInSARap at a glance - Team B– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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Academic chapterSentinel-1 Geophysical Doppler Product - Performance and Application– 2014
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Academic articleOcean Surface Wind Retrieval From Dual-Polarized SAR Data Using the Polarization Residual Doppler Frequency– IEEE Transactions on Geoscience and Remote Sensing 2014
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Conference lectureTHE ENVISAT ASAR MISSION: A LOOK BACK AT 10 YEARS OF OPERATION– Living Planet Symposium - 2013 2013
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Conference lectureSAR Doppler for Ocean Current Measurement - processing requirements and performance– Ocean Current Workshop, 6-8 May 2013, ESTEC 2013
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Academic articleSAR wave processing – improvements towards Sentinel-1 mission– ESA SP 2012
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Academic articleWave mode processing algorithms, product validation and assimilation. Wave retrievals and applications - White Paper– ESA SP 2012
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Academic articleHigh-precision Doppler estimation for ocean applications– ESA SP 2012
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Academic chapterAssessment of ocean wind retrieval from dual-polarized x-band SAR data– 2012
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Academic chapterSea surface wind retrieval using both normalized radar cross-section and polarization residual Doppler frequency from TerraSAR-X data– 2012
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Academic articleSea surface polarization ratio from Envisat ASAR AP Data– IEEE Transactions on Geoscience and Remote Sensing 2008
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Academic articleCurvature Effects in Ocean Surface Scattering– IEEE Transactions on Antennas and Propagation 2006
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Research reportKostnytteanalyse (KryoNor1 WP1300)– Norsk Regnesentral 2003
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Research reportOversikt over tilgjengelige satellittdata relevant or kryosfæren (KryoNor1 WP 1100)– Norsk Regnesentral 2003
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Academic chapterHermeneutics and archaeology: on the philosophy of contextual archaeology– 2000
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Research reportVedlegg til markedsundersøkelse romjordteknologi– Norut Informasjonsteknologi 2000
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Research reportMarkedsundersøkelse romjordteknologi– Norut Informasjonsteknologi 2000
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Academic articleRetrieval of Ocean Wave Spectra and RAR MTF’s From Dual-Polarization SAR Data– IEEE Transactions on Geoscience and Remote Sensing 1999
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Research reportPreprocessing algorithms - a review– 1997
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Academic articleEMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95– Ukjent 1997
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Academic articleSnow monitoring using EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95– Ukjent 1997
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Academic articleSAR-Ocean Wave Inversion Using Image Cross Spectra– IEEE Transactions on Geoscience and Remote Sensing 1995
