Harald Johnsen
Sjefsforsker
hjoh@norceresearch.no
+47 951 73 353
Tromsø Forskningspark, Sykehusvn 23, 9019 Tromsø
Publikasjoner
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Vitenskapelig artikkelTowards 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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Vitenskapelig artikkelDirect 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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Vitenskapelig artikkelComparison of Simulated Offshore Wind Farm Wakes and SAR Images– International Journal of Offshore and Polar Engineering 2022
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ForskningsrapportAssessment of calibrated Sentinel-1 OCN RVL products– NORCE Norwegian Research Centre 2022
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Vitenskapelig artikkelHigh-resolution polar low winds obtained from unsupervised sar wind retrieval– Remote Sensing 2021
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Vitenskapelig artikkelOn 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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Vitenskapelig artikkelEvaluation 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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Vitenskapelig artikkelSEASTAR: 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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Vitenskapelig artikkelSpatiotemporal observations of wave dispersion within sea ice using Sentinel-1 SAR TOPS mode– Journal of Geophysical Research (JGR): Oceans 2019
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Vitenskapelig artikkelSentinel-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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Vitenskapelig artikkelA Novel Approach to SAR Ocean Wind Retrieval– IEEE Transactions on Geoscience and Remote Sensing 2019
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Vitenskapelig artikkelSKIM, a Candidate Satellite Mission Exploring Global Ocean Currents and Waves– Frontiers in Marine Science 2019
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Vitenskapelig kapittelA 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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KonferanseforedragOcean Current from Sentinel-1 Doppler– Chalmers Seminar 2018 2018
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KonferanseforedragA novel approach to SAR ocean wind retrieval– SEASAR2018, 7-10 May,2018, ESRIN,Frascati 2018
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KonferanseforedragOcean Current from Space Radars - challenges and opportunities– CIRFA Seminar 2018
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ForskningsrapportImproved 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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KonferanseforedragA 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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ForskningsrapportScientific Assessment of TSCV Retrievals from Stereo-SAR – A critical Review. (4/2018)– Norut 2018
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KonferanseforedragImproved measurement of sea surface velocity from synthetic aperture radar– EuroGOOS International Conference: Operational Oceanography serving sustainable marine development 2017
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Vitenskapelig artikkelStereoSAR: 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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KonferanseforedragA 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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KonferanseforedragDoppler shifts retrieval from Sentinel 1 - Status and Way Forward– GlobCurrent Workshop, 21-23 March 2017, ESA/ESRIN, Frascati, Italy 2017
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Vitenskapelig artikkelComparing 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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Vitenskapelig artikkelOnto a skewness approach to the generalized curvature ocean surface scattering model– IEEE Transactions on Geoscience and Remote Sensing 2017
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Vitenskapelig artikkelSENSYF experience on integration of EO services in a generic, cloud-based EO exploitation platform– ESA SP 2016
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Vitenskapelig artikkelOcean Doppler anomaly and ocean surface current from Sentinel 1 tops mode.– IEEE International Geoscience and Remote Sensing Symposium proceedings 2016
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KonferanseforedragOcean Currents and Sentinel 1– Ocean Current Workshop, 2-3 Nov 2015 2015
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Vitenskapelig artikkelAn 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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Vitenskapelig artikkelEmulating sentinel-1 Doppler radial ice drift measurements using envisat ASAR data– IEEE Transactions on Geoscience and Remote Sensing 2015
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ForskningsrapportERS 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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Vitenskapelig artikkelImproving Doppler frequency estimation from Envisat data– IEEE International Geoscience and Remote Sensing Symposium proceedings 2014
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Vitenskapelig kapittelLong term PS-Cal analysis of ERS and ASAR data and comparison to other calibration techniques.– 2014
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KonferanseforedragSentinel-1 for InSAR based scientific applications– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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KonferanseforedragSentinel-1 TOPS - technical challenges (and opportunities)– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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KonferanseforedragInSARap at a glance - Team B– INSARAP - Technical Workshop on Sentinel-1 TOPS Interferometry 2014
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Vitenskapelig kapittelSentinel-1 Geophysical Doppler Product - Performance and Application– 2014
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Vitenskapelig artikkelOcean 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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KonferanseforedragTHE ENVISAT ASAR MISSION: A LOOK BACK AT 10 YEARS OF OPERATION– Living Planet Symposium - 2013 2013
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KonferanseforedragSAR Doppler for Ocean Current Measurement - processing requirements and performance– Ocean Current Workshop, 6-8 May 2013, ESTEC 2013
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Vitenskapelig artikkelSAR wave processing – improvements towards Sentinel-1 mission– ESA SP 2012
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Vitenskapelig artikkelWave mode processing algorithms, product validation and assimilation. Wave retrievals and applications - White Paper– ESA SP 2012
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Vitenskapelig artikkelHigh-precision Doppler estimation for ocean applications– ESA SP 2012
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Vitenskapelig kapittelAssessment of ocean wind retrieval from dual-polarized x-band SAR data– 2012
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Vitenskapelig kapittelSea surface wind retrieval using both normalized radar cross-section and polarization residual Doppler frequency from TerraSAR-X data– 2012
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Vitenskapelig artikkelSea surface polarization ratio from Envisat ASAR AP Data– IEEE Transactions on Geoscience and Remote Sensing 2008
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Vitenskapelig artikkelCurvature Effects in Ocean Surface Scattering– IEEE Transactions on Antennas and Propagation 2006
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ForskningsrapportKostnytteanalyse (KryoNor1 WP1300)– Norsk Regnesentral 2003
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ForskningsrapportOversikt over tilgjengelige satellittdata relevant or kryosfæren (KryoNor1 WP 1100)– Norsk Regnesentral 2003
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Vitenskapelig kapittelHermeneutics and archaeology: on the philosophy of contextual archaeology– 2000
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ForskningsrapportVedlegg til markedsundersøkelse romjordteknologi– Norut Informasjonsteknologi 2000
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ForskningsrapportMarkedsundersøkelse romjordteknologi– Norut Informasjonsteknologi 2000
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Vitenskapelig artikkelRetrieval 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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ForskningsrapportPreprocessing algorithms - a review– 1997
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Vitenskapelig artikkelEMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95– Ukjent 1997
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Vitenskapelig artikkelSnow monitoring using EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95– Ukjent 1997
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Vitenskapelig artikkelSAR-Ocean Wave Inversion Using Image Cross Spectra– IEEE Transactions on Geoscience and Remote Sensing 1995
