Harald Johnsen

According to our database, Harald Johnsen authored at least 29 papers between 1994 and 2022.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2022

Direct Comparison of Sea Surface Velocity Estimated From Sentinel-1 and TanDEM-X SAR Data.

Anis Elyouncha, Leif E. B. Eriksson, Harald Johnsen

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022

2021

High-Resolution Polar Low Winds Obtained from Unsupervised SAR Wind Retrieval.

Mathias Tollinger, Rune Graversen, Harald Johnsen

Remote. Sens., 2021

Comparison of the Sea Surface Velocity Derived from Sentinel-1 and Tandem-X.

Anis Elyouncha, Leif E. B. Eriksson, Harald Johnsen

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021

2020

Retrieving Ocean Surface Currents from the Sentinel-1 Doppler Shift Observations: A Case Study of the Norwegian Coastal Current.

Artem Moiseev, Harald Johnsen, Johnny A. Johannessen

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020

2019

A Novel Approach to SAR Ocean Wind Retrieval.

Vegard Nilsen, Geir Engen, Harald Johnsen

IEEE Trans. Geosci. Remote. Sens., 2019

Using Sentinel-1 Ocean Data for Mapping Sea Surface Currents Along the Southern Norwegian Coast.

Anis Elyouncha, Leif E. B. Eriksson, Harald Johnsen, Lars M. H. Ulander

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

2018

Comparing SAR-Based Short Time-Lag Cross Correlation and Doppler-Derived Sea Ice Drift Velocities.

Thomas Krämer, Harald Johnsen, Camilla Brekke, Geir Engen

IEEE Trans. Geosci. Remote. Sens., 2018

Sentinel-1 Achievements for Ocean and Extreme Events Monitoring.

Romain Husson, Alexis Mouche, Harald Johnsen, Fabrice Collard, Geir Engen, Nicolas Longépé, Gilles Guitton, He Wang, Xuan Wang, François Soulat, Bertrand Chapron

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

Onto a Skewness Approach to the Generalized Curvature Ocean Surface Scattering Model.

Faozi Said, Harald Johnsen, Frédéric Nouguier, Bertrand Chapron, Geir Engen

IEEE Trans. Geosci. Remote. Sens., 2017

2016

Perspectives for combining and exploiting ocean wave spectra measured from different space missions.

Alexis Mouche, Bertrand Chapron, Harald Johnsen, Fabrice Collard, He Wang, Gilles Guitton, Jinsong Yang, Romain Husson

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Ocean doppler anomaly and ocean surface current from Sentinel 1 tops mode.

Harald Johnsen, Vegard Nilsen, Geir Engen, Alexis Aurelien Mouche, Fabrice Collard

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Taking advantage of Sentinel-1 acquisition modes to improve ocean sea state retrieval.

Romain Husson, Alexis Mouche, Bertrand Chapron, Harald Johnsen, Fabrice Collard, Pauline Vincent, Gilles Guitton, Nicolas Longépé, Guillaume Hajduch, Yves Quilfen, Lucile Gaultier

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

An Ocean Wind Doppler Model Based on the Generalized Curvature Ocean Surface Scattering Model.

Faozi Said, Harald Johnsen, Bertrand Chapron, Geir Engen

IEEE Trans. Geosci. Remote. Sens., 2015

Emulating Sentinel-1 Doppler Radial Ice Drift Measurements Using Envisat ASAR Data.

Thomas Krämer, Harald Johnsen, Camilla Brekke

IEEE Trans. Geosci. Remote. Sens., 2015

The Sentinel-1A instrument and operational product performance status.

Nuno Miranda, Peter J. Meadows, Guillaume Hajduch, Alan Pilgrim, Riccardo Piantanida, Davide Giudici, David Small, Adrian Schubert, Romain Husson, Pauline Vincent, Alexis Mouche, Harald Johnsen, Giovanna Palumbo

Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

2014

Ocean Surface Wind Retrieval From Dual-Polarized SAR Data Using the Polarization Residual Doppler Frequency.

Faozi Said, Harald Johnsen

IEEE Trans. Geosci. Remote. Sens., 2014

Improving Doppler frequency estimation from Envisat data.

Thomas Krcemer, Camilla Brekke, Harald Johnsen

Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014

2012

Sea surface wind retrieval using both normalized radar cross section and polarization residual Doppler frequency from TerraSAR-X data.

Faozi Said, Harald Johnsen

Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012

2008

Sea-Surface Polarization Ratio From Envisat ASAR AP Data.

Harald Johnsen, Geir Engen, Gilles Guitton

IEEE Trans. Geosci. Remote. Sens., 2008

2005

Influence of a nonlinear RAR modulation on the SAR imaging of ocean waves.

Sébastien Fouques, Harald Johnsen, Harald E. Krogstad

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

2003

Validation of ASAR wave mode level 2 product.

Harald Johnsen, Geir Engen, Bertrand Chapron

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Ocean wave spectrum and radar cross-section analysis from coincident ENVISAT ASAR observations and airborne polarimetric radar measurements performed during the VALPARESO experiment.

Danièle Hauser, Alexis Mouche, Bertrand Chapron, Harald Johnsen, Jean-François Daloze, Christine Guérin, Gérard Caudal, Jean-Michel Lefevre

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Curvature effects in ocean surface scattering.

Geir Engen, Harald Johnsen, Bertrand Chapron

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

2001

InSAR for estimation of changes in snow water equivalent of dry snow.

Tore Guneriussen, Kjell Arild Høgda, Harald Johnsen, Inge Lauknes

IEEE Trans. Geosci. Remote. Sens., 2001

Wave and wind retrieval from sar images of the ocean.

Bertrand Chapron, Harald Johnsen, René Garello

Ann. des Télécommunications, 2001

2000

Retrieval of ocean wave spectra and RAR MTF's from dual-polarization SAR data.

Geir Engen, Paris W. Vachon, Harald Johnsen, Fred W. Dobson

IEEE Trans. Geosci. Remote. Sens., 2000

1995

An approximate analytical method for correcting distortion in synthetic-aperture-radar ocean wave spectral peaks.

Clifford Rufenach, Harald Johnsen, Kjell Arild Høgda

IEEE Trans. Geosci. Remote. Sens., 1995

SAR-ocean wave inversion using image cross spectra.

Geir Engen, Harald Johnsen

IEEE Trans. Geosci. Remote. Sens., 1995

1994

Directional wave spectra by inversion of ERS-1 synthetic aperture radar ocean imagery.

Geir Engen, Harald Johnsen, Harald E. Krogstad, Stephen F. Barstow

IEEE Trans. Geosci. Remote. Sens., 1994