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Harald Johnsen

Harald Johnsen

Sjefsforsker

hjoh@norceresearch.no
+47 951 73 353
Siva Innovasjonssenter, Sykehusvn 21, 9019 Tromsø

Harald Johnsen

Divisjon

Energi og teknologi

Forskergrupper

Jordobservasjon

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Publikasjoner
Towards Retrieving Reliable Ocean Surface Currents in the Coastal Zone From the Sentinel-1 Doppler Shift Observations – Journal of Geophysical Research (JGR): Oceans 2022
Direct 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
Comparison of Simulated Offshore Wind Farm Wakes and SAR Images – International Journal of Offshore and Polar Engineering 2022
Assessment of calibrated Sentinel-1 OCN RVL products – NORCE Norwegian Research Centre 2022
High-resolution polar low winds obtained from unsupervised sar wind retrieval – Remote Sensing 2021
On removal of sea state contribution to Sentinel-1 Doppler shift for retrieving reliable ocean surface current – Journal of Geophysical Research (JGR): Oceans 2020
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
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
Spatiotemporal observations of wave dispersion within sea ice using Sentinel-1 SAR TOPS mode – Journal of Geophysical Research (JGR): Oceans 2019
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
A Novel Approach to SAR Ocean Wind Retrieval – IEEE Transactions on Geoscience and Remote Sensing 2019
SKIM, a Candidate Satellite Mission Exploring Global Ocean Currents and Waves – Frontiers in Marine Science 2019
A new look at Envisat ASAR range Doppler shift retrieval with the aim of reprocessing ten years of level-0 data – 2018
Improved knowledge of high latitude ocean circulation with Synthetic Aperture Radar (ISAR) ESA-PRODEX-ISAR FINAL REPORT – Nansen Senter for Miljø og Fjernmåling 2018
Scientific Assessment of TSCV Retrievals from Stereo-SAR – A critical Review. (4/2018) – Norut 2018
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
Comparing SAR based short time-lag cross-correlation and Doppler derived sea ice drift velocities – IEEE Transactions on Geoscience and Remote Sensing 2017
Onto a skewness approach to the generalized curvature ocean surface scattering model – IEEE Transactions on Geoscience and Remote Sensing 2017
SENSYF experience on integration of EO services in a generic, cloud-based EO exploitation platform – ESA SP 2016
Ocean Doppler anomaly and ocean surface current from Sentinel 1 tops mode. – IEEE International Geoscience and Remote Sensing Symposium proceedings 2016
An ocean wind Doppler model based on the generalized curvature ocean surface scattering model – IEEE Transactions on Geoscience and Remote Sensing 2015
Emulating sentinel-1 Doppler radial ice drift measurements using envisat ASAR data – IEEE Transactions on Geoscience and Remote Sensing 2015
ERS Wave mission reprocessing – QC support - Envisat mission extension support: Assessment of WV Product Quality after Orbit Change. (1/2014) – Norut 2014
Improving Doppler frequency estimation from Envisat data – IEEE International Geoscience and Remote Sensing Symposium proceedings 2014
Long term PS-Cal analysis of ERS and ASAR data and comparison to other calibration techniques. – 2014
Sentinel-1 Geophysical Doppler Product - Performance and Application – 2014
Ocean Surface Wind Retrieval From Dual-Polarized SAR Data Using the Polarization Residual Doppler Frequency – IEEE Transactions on Geoscience and Remote Sensing 2014
SAR wave processing – improvements towards Sentinel-1 mission – ESA SP 2012
Wave mode processing algorithms, product validation and assimilation. Wave retrievals and applications - White Paper – ESA SP 2012
High-precision Doppler estimation for ocean applications – ESA SP 2012
Assessment of ocean wind retrieval from dual-polarized x-band SAR data – 2012
Sea surface wind retrieval using both normalized radar cross-section and polarization residual Doppler frequency from TerraSAR-X data – 2012
Sea surface polarization ratio from Envisat ASAR AP Data – IEEE Transactions on Geoscience and Remote Sensing 2008
Curvature Effects in Ocean Surface Scattering – IEEE Transactions on Antennas and Propagation 2006
Kostnytteanalyse (KryoNor1 WP1300) – Norsk Regnesentral 2003
Oversikt over tilgjengelige satellittdata relevant or kryosfæren (KryoNor1 WP 1100) – Norsk Regnesentral 2003
Hermeneutics and archaeology: on the philosophy of contextual archaeology – 2000
Vedlegg til markedsundersøkelse romjordteknologi – Norut Informasjonsteknologi 2000
Markedsundersøkelse romjordteknologi – Norut Informasjonsteknologi 2000
Retrieval of Ocean Wave Spectra and RAR MTF’s From Dual-Polarization SAR Data – IEEE Transactions on Geoscience and Remote Sensing 1999
Preprocessing algorithms - a review – 1997
EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95 – Ukjent 1997
Snow monitoring using EMISAR and ERS-1 data within the European Multi-sensor Airborne Campaign EMAC-95 – Ukjent 1997
SAR-Ocean Wave Inversion Using Image Cross Spectra – IEEE Transactions on Geoscience and Remote Sensing 1995
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