- E-postjohnny.johannessen@uib.no
- BesøksadresseAllégaten 705007 Bergen
- PostadressePostboks 78035020 Bergen
Vitenskapelig artikkel
- (2023). The Arctic Amplification and Its Impact: A Synthesis through Satellite Observations. Remote Sensing.
- (2023). On the use of dual co-polarized radar data to derive a sea surface Doppler model-part 1: Approach. IEEE Transactions on Geoscience and Remote Sensing.
- (2022). Towards Retrieving Reliable Ocean Surface Currents in the Coastal Zone From the Sentinel-1 Doppler Shift Observations. Journal of Geophysical Research (JGR): Oceans.
- (2022). A Neural Network Method for Retrieving Sea Surface Wind Speed for C-Band SAR. Remote Sensing.
- (2021). Tools for optimizing performance of voyages at sea. TransNav, International Journal on Marine Navigation and Safety of Sea Transportation. 233-238.
- (2021). Ocean Mesoscale Variability: A Case Study on the Mediterranean Sea From a Re-Analysis Perspective. Frontiers in Earth Science. 1-16.
- (2021). Extreme Convective Events in the Lofoten Basin. Pure and Applied Geophysics (PAGEOPH). 13 sider.
- (2021). Altimetry for the future: Building on 25 years of progress. Advances in Space Research. 319-363.
- (2020). On removal of sea state contribution to Sentinel-1 Doppler shift for retrieving reliable ocean surface current. Journal of Geophysical Research (JGR): Oceans. 1-13.
- (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. 1-18.
- (2020). Arctic sea level budget assessment during the GRACE/Argo time period. Remote Sensing. 1-21.
- (2019). 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). Latent Heat Flux in the Agulhas Current . Remote Sensing.
- (2019). Evolving the global ocean observing system for research and application services through international coordinatio. Frontiers in Marine Science.
- (2019). A study of the intensity of Tropical Cyclone Idai using dual-polarization Sentinel-1 data. Remote Sensing.
- (2018). Quantifying Atlantic Water transport to the Nordic Seas by remote sensing. Remote Sensing of Environment. 758-769.
- (2018). Measuring currents, ice drift, and waves from space: the Sea Surface KInematics Multiscale monitoring (SKIM) concept. Ocean Science. 337-354.
- (2018). Exploitation of error correlation in a large analysis validation: GlobCurrent case study. Remote Sensing of Environment. 476-490.
- (2018). Assessing the accuracy of satellite derived ocean currents by comparing observed and virtual buoys in the Greater Agulhas Region. Remote Sensing of Environment. 735-746.
- (2018). An improved and homogeneous altimeter sea level record from the ESA Climate Change Initiative. Earth System Science Data. 281-301.
- (2017). Review and assessment of latent and sensible heat flux accuracy over the global oceans. Remote Sensing of Environment. 196-218.
- (2017). Northern North Atlantic sea level in CMIP5 climate models – evaluation of mean state, variability and trends against altimetric observations. Journal of Climate. 9383-9398.
- (2016). Wave Breaking in Slicks: Impacts on C-Band Quad-Polarized SAR Measurements. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. 4929-4940.
- (2016). Radar imaging of shallow water bathymetry: A case study in the Yangtze Estuary. Journal of Geophysical Research (JGR): Oceans. 8821-8839.
- (2016). Quantifying mesoscale eddies in the Lofoten Basin. Journal of Geophysical Research (JGR): Oceans. 4503-4521.
- (2016). Progress in Earth observation for studying physical oceanography: surface currents, storm surges, sea-ice, atmosphere-ocean gas exchange and surface heat fluxes. Progress in physical geography. 215-246.
- (2016). Observation and integrated Earth-system science: A roadmap for 2016 - 2025. Advances in Space Research. 2037-2103.
- (2016). Globcurrent: Multisensor synergy for surface current estimation. ESA SP.
- (2016). E-GEM-European GNSS-R environmental monitoring. ESA SP.
- (2016). Developing European operational oceanography for Blue Growth, climate change adaptation and mitigation, and ecosystem-based management. Ocean Science. 953-976.
- (2016). Arctic Sea Level during the satellite altimetry era. Surveys in geophysics. 251-275.
- (2016). A regional characterization of the GlobCurrent ocean surface current analysis. ESA SP.
- (2015). Use of satellite observations for operational oceanography: recent achievements and future prospects. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology.
- (2015). Monitoring the spreading of the Amazon freshwater plume by MODIS, SMOS, Aquarius, and TOPAZ. Journal of Geophysical Research (JGR): Oceans. 268-283.
- (2014). Toward Improved Estimation of the Dynamic Topography and Ocean Circulation in the High Latitude and Arctic Ocean: The Importance of GOCE. Surveys in geophysics. 661-679.
- (2014). Quad-polarization SAR features of ocean currents. Journal of Geophysical Research (JGR): Oceans. 6046-6065.
- (2014). Multimodel simulations of Arctic Ocean sea surface height variability in the period 1970–2009. Journal of Geophysical Research (JGR): Oceans. 8936-8954.
- (2014). Mapping sea surface velocities in the Changjiang coastal zone with advanced synthetic aperture radar. Acta Oceanologica Sinica. 141-149.
- (2014). Assimilating along-track SLA data using the EnOI in an eddy resolving model of the Agulhas system. Ocean Dynamics. 1121-1136.
- (2013). Satellite-derived multi-year trend in primary production in the Arctic Ocean. International Journal of Remote Sensing. 3903-3937.
- (2013). On Dual Co-Polarized SAR Measurements of the Ocean Surface. IEEE Geoscience and Remote Sensing Letters. 761-765.
- (2013). Earth system mass transport mission (e.motion): a concept for future earth gravity field measurements from space. Surveys in geophysics. 141-163.
- (2012). Simulation of radar backscatter and Doppler shifts of wave–current interaction in the presence of strong tidal current. Remote Sensing of Environment. 113-122.
- (2012). Particle aggregation at the edges of anticyclonic eddies and implications for distribution of biomass. Ocean Science. 389-400.
- (2012). On the use of Doppler shift for sea surface wind retrieval from SAR. IEEE Transactions on Geoscience and Remote Sensing. 2901-2909.
- (2012). Mesoscale Eddies Are Oases for Higher Trophic Marine Life. PLOS ONE. 9 sider.
- (2012). Joint sun-glitter and radar imagery of surface slicks. Remote Sensing of Environment. 123-132.
- (2012). Imaging mesoscale upper ocean dynamics using synthetic aperture radar and optical data. Journal of Geophysical Research (JGR): Oceans. 13 sider.
- (2012). ESA's sentinel missions in support of Earth system science. Remote Sensing of Environment. 84-90.
- (2012). ASAR imaging for coastal upwelling in the Baltic Sea. Advances in Space Research. 1125-1137.
- (2011). Retrieval of Sea Surface Range Doppler Velocities from Enivsat ASAR Doppler Centroid Measurements. IEEE Transactions on Geoscience and Remote Sensing. 3582-3592.
- (2011). Monitoring the surface inflow of Atlantic Water to the Norwegian Sea using Envisat ASAR. Journal of Geophysical Research (JGR): Oceans. 13 sider.
- (2011). An ocean modelling and assimilation guide to using GOCE geoid products. Ocean Science. 151-164.
- (2010). Mapping the Agulhas Current from space: An assessment of ASAR surface current velocities. Journal of Geophysical Research (JGR): Oceans. 14 sider.
- (2009). Sensitivity of remote sensing–derived phytoplankton productivity to mixed layer depth: Lessons from the carbon-based productivity model. Global Biogeochemical Cycles.
- (2008). The greater Agulhas Current system: An integrated study of its mesoscale variability. Journal of operational oceanography. Publisher: The Institute of Marine Engineering, Science & Technology. 29-44.
- (2008). Direct ocean surface velocity measurements from space: Improved quantitative interpretation of Envisat ASAR observations. Geophysical Research Letters. 6 sider.
- (2007). Steric height variability in the Nordic Seas. Journal of Geophysical Research (JGR).
- (2006). North Sea circulation: Atlantic inflow and its destination. Journal of Geophysical Research (JGR). C12018.
- (2006). Marine environment and security for the European area - Toward operational oceanography. Bulletin of The American Meteorological Society - (BAMS). 1081-1090.
- (2005). On radar imaging of current features: 2. Mesoscale eddy and current front detection. Journal of Geophysical Research (JGR). 14 sider.
- (2005). On radar imaging of current features: 1. Model and comparison with observations. Journal of Geophysical Research (JGR).
- (2004). On effect of wave breaking on short wind waves. Geophysical Research Letters. 5 sider.
- (2003). The annual cycles of sea level and sea surface temperature in the western Mediterranean Sea. Journal of Geophysical Research (JGR). 3059.
- (2003). The annual cycles of sea level and sea surface temperature in the western Mediterranean Sea. Journal of Geophysical Research (JGR). 8009.
- (2003). The European Gravity Field and Steady-State Ocean Circulation Explorer Satellite Mission: Impact in Geophysics. Surveys in geophysics. 339-386.
- (2003). Comparison of remotely measured and modelled currents in coastal areas of Norway and Spain. The global atmosphere and ocean system (Print). 39-64.
- (1998). The Greenland Sea Odden Sea Ice Feature: Intra- and Inter-Annual Variability. Journal of Geophysical Research (JGR). 12709-12724.
- (1998). Coastwatch '95: ERS-1/SAR detection of natural film on the ocean surface. Journal of Geophysical Research (JGR). 24969-24982.
- (1998). Coastal wind field retrievals from ERS synthetic aperture radar images. Journal of Geophysical Research (JGR). 7857-7876.
- (1996). ERS-1 SAR Image of Marine Boundary Layer Processes. Russian Academy of Science.
- (1995). Coastal Ocean Fronts and Eddies Imaged with ERS-1 SAR. Journal of Geophysical Research (JGR).
- (1994). SAR Ocean Feature Catalogue. ESA Public. Div. ESTEC.
- (1994). Observation and Simulation of Ice Tongues and Vortex Pairs in the Marginal Ice Zone. Monograph. Nansen Centennial Volume.
- (1994). ERS-1 SAR Imaging of Marine Boundary Layer Processes. Earth Observation Quarterly.
- (1994). Analysis of Atmospheric Lee Waves Near Hopen. Journal of Geophysical Research (JGR).
- (1994). A Study on the Inflow of Atlantic Water to the GIN Sea using GEOSAT Altimeter Data. Monograph. Nansen Centennial Volume.
- (1993). Monitoring and modeling of the marine coastal environment. Photogrammetric Engineering and Remote Sensing. 351-361.
- (1993). Eddies detected in ERS-1 SAR images and simulated in reduced gravity models. International Journal of Remote Sensing. 2203-2213.
- (1979). Upwelling: Oceanic structure at the edge of the Arctic ice pack in winter. Science. 165-167.
Rapport
- (2020). Copernicus marine tjenester og Miljødirektoratets Økokyst- og Havforsuringsprogrammer. . 404. 404. .
- (2017). GlobCurrent Final Report. 381. 381. .
- (2016). The Nansen Centers at the ESA Living Planet Symposium 2016. 93. 93. .
- (2016). GOCE-MDT GOCE studies of mean dynamic topography and ocean circulation in the high latitude and Arctic Ocean. 364. 364. .
- (2014). SATICE - Arctic Ocean Sea-Ice and Ocean Circulation Changes using Satellite Methods. 333. 333. .
- (2014). Progress report to the Norwegian Research Council on the project no 19537_20. Norwegian Satellite Earth observation database for marine and polar research (NORMAP). 334. 334. .
- (2014). Final Report. GreenSeas . .
- (2013). Synthesis Report of the state and variability of changes in high latitudes and Arctic Region. .
- (2013). Progress report to the Norwegian Research Council on the project no 19537/20: Norwegian Satellite Earth observation database for marine and polar research (NORMAP). 329. 329. .
- (2013). Final report to the Norwegian Space Centre on the project no 90378 SIOS - Study of impact of Ocean Salinity for Ocean circulation. .
- (2013). DOPSCAT - Feasibility investigation of Global Ocean Surface Current Mapping using ERS, MetOp and QuikScat Wind Scatterometer. .
- (2012). Use of gravimetry and altimetry to monitor CO2 storage and in oil and gas exploration. Status of a feasibility study. .
- (2011). SIOS Remote Sensing Strategy: Assessment of reserch areas with great EO support potential. .
- (2011). Assessment of research areas with great EO support potential. .
- (2007). Combination of Spaceborne, Airboren and In-Situ Gravity Measurements in Support of Arctic Sea Ice Thickness Mapping. .
- (2002). Development of satellite remote sensing for marine monitoring and climate applications. 213. 213. .
- (1994). SAR Ocean Feature Catalogue. 1174. 1174. .
- (1992). MOMS - Marint overvåkings- og modellsystem for fjorder og kyststrøk. .
Faglig foredrag
- (2016). Ocean Virtual Laboratory : Sentinels Ocean Synergy at your fingertips.
- (2016). Improved measurements of sea surface velocity from Envisat ASAR and Sentinel-1.
- (2013). Studying dilution processes in plumes of large Arctic and Equatorial rivers using SMOS and optical data.
- (2013). Application of bio-optical retrieval algorithm BOREALI, for studying processes in estuaries of large rivers.
Vitenskapelig foredrag
- (2020). Retrieving ocean surface currents from the Sentinel-1 Doppler Shift observations: A case study of the Norwegian coastal current.
- (2013). On dual co‐polarized SAR measurements of oil spill on the sea surface.
- (2012). Session 6: Ocean Current Retrievals and applications.
- (2012). Monitoring the surface inflow of Atlantic water to the Norwegian Sea using Envisat ASAR (2).
- (2012). Monitoring the surface inflow of Atlantic water to the Norwegian Sea using Envisat ASAR (1).
- (2012). Mapping the Nordic Seas surface velocity using Envisat ASAR (2).
- (2012). Mapping the Nordic Seas surface velocity using Envisat ASAR.
- (2012). From 2D mesoscale surface expressions to 3D upper ocean dynamics.
- (2011). SAR imaging of the coastal upwelling in the Baltic Sea.
- (2011). Measuring interior ocean parameters from space: Oceanic internal waves in the Barents Sea.
- (2011). All-weather satellite observations of marine thermal fronts in the Baltic and Barents Seas.
- (2010). Proceedings of the Joint Nansen-Tutu scientific opening symposium & OceansAfrica Meeting.
- (2010). New gravity field, mean dynamic topography and surface geostrophic current derived from space.
- (2007). Observed and simulated mean dynamic topography.
- (2006). The OCTAS project, the geoid, the mean sea surface and and the mean dynamic topography.
- (2006). Ocean Circulation and Transport between the North Atlantic and Arctic Sea -- status report 2006.
- (2006). OCTAS: Ocean Circulation and Heat Transport between the North Atlantic and Arctic Sea.
- (2002). The role of synergy in developing a Marine SAR Analysis and Interpertation System, Building the European Capacity in Operational Oceanography.
- (2002). Monitoring the Norwegian Coastal Zone Environment (.
- (2002). Marine SAR Analyses and Interpretation system - MARSAIS, Building the European Capacity on Operational Oceanography.
- (2002). Marine Environment and Security for the European Area, MERSEA Strand - 1, Buidling the European Capacity on Operational Oceanography.
- (1998). COASTWATCH '95: Using SAR imagery for monitoring coastal currents, surffactants and wind fields.
- (1997). Using SAR imagery in an operational system for monitoring coastal currents, wind, surfactants and oil spill.
- (1997). ERS-1/2 SAR detection of natural film on the ocean surface.
- (1997). Coastal wind retrievals from SAR images.
- (1997). Coastal wind retrievals from SAR images.
- (1997). COASTWATCH'95: using SAR imagery for monitoring coastal currents, surfactants and wind fields.
- (1996). Coast Watch-95: ERS-1/2 SAR Applications of Mesoscale Upper. Ocean and Atmospheric Boundary Layer Processes off the Coast of Norway.
- (1994). Kaledonsk duplex utviklet i Vestertanagruppen, Øst Finnmark.
- (1994). Detection of Surface Currents Features with ERS-1 SAR.
- (1993). Detection of surface current features with ERS-1 SAR.
- (1993). Analysis of atmospheric lee waves near Hopen.
- (1993). A study on the inflow of Atlantic water to the GIN Sea using altimeter data.
Leder
- (2009). Synthetic aperture radar products for the African marine environment. South African Journal of Science. 85-86.
Vitenskapelig antologi/Konferanseserie
- (2014). The earth's hydrological cycle. Springer Science+Business Media B.V..
Mastergradsoppgave
- (2006). Mesoscale variability study of the Agulhas Current from satellite radar altimetry and a high resolution model.
Doktorgradsavhandling
- (2017). Modeling coastal circulation in Norway using a high-resolution 4D- Var ocean assimilation system .
- (2005). Towards a North Sea prediction system.
- (1997). Studies of mesoscale features and processes in the marine boundary layer : the important contribution from spaceborne SAR remote sensing observations. -.
Intervju
- (2023). Setter kurs for Cape Town med 60 studenter om bord.
- (2023). Not enough water in the tanks.
- (2023). Her braker to verdenshav sammen.
- (2023). Global oceanic expedition arrives in Cape Town on Norwegian tall ship.
- (2022). New research sums up sea-level rise.
- (2022). A ship full of students.
- (2021). 15 milliarder til norske prosjekter. Disse har hentet ut mest EU-midler.
- (2020). Tre uomtvistelige fakta om klimaendringer.
- (2019). «Vi vender oss til filantropen Røkke», sa HI-direktøren. «Lykke til», sa UiB-dekanen.
- (2018). Satelilitt-tjenester for maritim sektor .
- (2018). Forbereder hav-utbygging i Hølla.
- (2018). Denne satellitten kan løse kompliserte spørsmål om havisen i Arktis.
- (2018). De syv hav rett inn på kontoret.
- (2017). Norske havteknologibedrifter med internasjonal suksess.
- (2017). Forskningsrådet gir pengar til nye havforskningsrobotar.
- (2017). 100 nye bøyer skal gi svar om klima og havmiljø.
- (2016). Nansensenteret fyller 30 år.
- (2016). Derfor trengs klimaforskning.
- (2016). 30 år i Nansens ånd.
- (2016). - I teorien kan man sitte og flikke på en artikkel i årevis.
- (2015). The Norwegian Satellite Earth Observation Database for Marine and Polar Research.
- (2015). Nansen Tutu Center Summer School success.
- (2014). Her er Norges heftigste forskningsprosjekter.
- (2014). Gjør klar for Europas nye miljøsatelitt.
Dokumentar
- (2022). Budsjettforslag: Dramatisk for norsk romvirksomhet.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
- (2022). Sea Ice Modelling. 27 sider.
- (2013). Satellite Oceanography from the ERS Synthetic Aperture Radar and Radar Altimeter: A Brief Review. 24 sider.
- (2013). Ocean Current Retrievals and Applications. 7 sider.
- (2013). INCUSAR—A Method to Retrieve Temporal Averages of 2D Ocean Surface Currents from Synthetic Aperture Radar Doppler Shift. 9 sider.
- (2013). From 2D mesoscale surface expressions to 3D upper ocean dynamics. 7 sider.
- (2010). Direct surface current field imaging from space by along-track InSAR and conventional SAR. 19 sider.
- (2007). The OCTAS poject, The geoid, the mean sea surface and the mean dynamic topography. 8 sider.
- (2007). Operational Oceanography - Challenges and possibilities. 12 sider.
- (2006). The MONCOZE Pilot Ocean Modeling System (POMS); a tool for marine environmental monitoring. 6 sider.
- (2006). Monitoring of the Norwegian coastal zone environment - the MONCOZE approach. 7 sider.
- (2006). Coastal Physical and Biochemical Processes.
- (2003). Monitoring the Norwegian Coastal Zone Environment (MONCOZE). 6 sider.
Sammendrag/abstract
- (2007). The OCTAS07- North Atlantic/Arctic ocean mean sea surface model based on a wavelet adjustment of multiple satellite altimetry data. Geophysical Research Abstracts. 1 sider.
- (2007). The OCTAS06-North Atlantic/Arctic ocean mean sea surface model. Geophysical Research Abstracts. 1 sider.
- (2007). The OCTAS project, the interrelationship between the geoid, the mean sea surface and the mean dynamic topography. Geophysical Research Abstracts. 1 sider.
- (2007). OCTAS with a focus on the importance of a high precision mean sea surface. Geophysical Research Abstracts. 1 sider.
- (2007). Assessment and Validation of the geoid, MSS and MDT models in the OCTAS project. Geophysical Research Abstracts. 1 sider.
Poster
- (2018). Quantifying Atlantic Water transport to the Nordic Seas by combined use of Gravimetry and Altimetry.
- (2018). Ocean surface current retrievals from satellite and coastal remote sensing: A comparison of Envisat ASAR and HF-radar observations from the west coast of Norway.
- (2018). Comparison of satellite and coastal remote sensing data for ocean surface currents on example of Envisat ASAR and CODAR HF-radar data for the Norwegians west coast.
- (2016). The Norwegian Satellite Earth Observation Database for Marine and Polar Research - NORMAP.
- (2016). A regional and Lagrangian characterization of GlobCurrent ocean surface current analyses.
- (2014). A MULTIMETHOD APPROACH TO LINKING MESOSCALE STRUCTURES TO DISTRIBUTION.
- (2012). Retrieval of 2D sea surface current from ASAR range Doppler velocity.
- (2010). Sensitivity of Ocean-Colour-Based Phytoplankton Productivity Estimates to Mixed Layer Depth.
- (2005). Ocean Circulation and Transport between the North Atlantic and Arctic Sea-status report 2005.
- (2004). Existing and new Mean Dynamic Topography, Mean Sea Surface and geiod models in the Northern North Atlantic.
Errata
- (2016). Mesoscale ocean eddy dataset in the Lofoten Basin from Satellite Altimetry. Journal of Geophysical Research (JGR): Oceans. 4503-4521.
Vitenskapelig oversiktsartikkel/review
- (2022). Global sea-level budget and ocean-mass budget, with a focus on advanced data products and uncertainty characterisation. Earth System Science Data. 411-447.
- (2019). Observing sea states. Frontiers in Marine Science. 1-29.
- (2019). Adequacy of the ocean observation system for quantifying regional heat and freshwater storage and change. Frontiers in Marine Science. 1-26.
- (2015). Improved sea level record over the satellite altimetry era (1993-2010) from the Climate Change Initiative project. Ocean Science. 67-82.
- (2014). Review of understanding of Earth's hydrological cycle: observations, theory and modelling. Surveys in geophysics. 491-513.