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)

SAR-ocean wave inversion using image cross spectra. - Geir Engen; Harald Johnsen (IEEE Trans. Geosci. Remote. Sens., 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)

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)

Wave and wind retrieval from sar images of the ocean. - Bertrand Chapron; Harald Johnsen; René Garello (Ann. des Télécommunications, 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)

Curvature effects in ocean surface scattering. - Geir Engen; Harald Johnsen; Bertrand Chapron (IGARSS, 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 (IGARSS, 2003)

Validation of ASAR wave mode level 2 product. - Harald Johnsen; Geir Engen; Bertrand Chapron (IGARSS, 2003)

Influence of a nonlinear RAR modulation on the SAR imaging of ocean waves. - Sébastien Fouques; Harald Johnsen; Harald E. Krogstad (IGARSS, 2005)

Sea-Surface Polarization Ratio From Envisat ASAR AP Data. - Harald Johnsen; Geir Engen; Gilles Guitton (IEEE Trans. Geosci. Remote. Sens., 2008)

Sea surface wind retrieval using both normalized radar cross section and polarization residual Doppler frequency from TerraSAR-X data. - Faozi Said; Harald Johnsen (IGARSS, 2012)

Improving Doppler frequency estimation from Envisat data. - Thomas Krcemer; Camilla Brekke; Harald Johnsen (IGARSS, 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)

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; et al. (IGARSS, 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)

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)

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 (IGARSS, 2016)

Ocean doppler anomaly and ocean surface current from Sentinel 1 tops mode. - Harald Johnsen; Vegard Nilsen; Geir Engen; Alexis Aurelien Mouche; Fabrice Collard (IGARSS, 2016)

Perspectives for combining and exploiting ocean wave spectra measured from different space missions. - Alexis Mouche; Bertrand Chapron; Harald Johnsen; Fabrice Collard; He Wang 005; Gilles Guitton; Jinsong Yang; Romain Husson (IGARSS, 2016)

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)

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 005; Xuan Wang 004; François Soulat; Bertrand Chapron (IGARSS, 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)

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 (IGARSS, 2019)

A Novel Approach to SAR Ocean Wind Retrieval. - Vegard Nilsen; Geir Engen; Harald Johnsen (IEEE Trans. Geosci. Remote. Sens., 2019)

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 (IGARSS, 2020)

Comparison of the Sea Surface Velocity Derived from Sentinel-1 and Tandem-X. - Anis Elyouncha; Leif E. B. Eriksson; Harald Johnsen (IGARSS, 2021)

High-Resolution Polar Low Winds Obtained from Unsupervised SAR Wind Retrieval. - Mathias Tollinger; Rune Graversen; Harald Johnsen (Remote. Sens., 2021)

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)