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  • Количество слайдов: 18

Nansen International Environmental and Remote Sensing Centre (NIERSC) St. Petersburg, Russia Arctic ROOS relevant Nansen International Environmental and Remote Sensing Centre (NIERSC) St. Petersburg, Russia Arctic ROOS relevant activities Leonid P. Bobylev Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

NIERSC Vision and Strategy Vision To understand, monitor and predict climate and environmental changes NIERSC Vision and Strategy Vision To understand, monitor and predict climate and environmental changes in the high northern latitudes for serving the society Mission To develop Nansen International Centre to be a significant national and international contributor to the studying climate and environmental changes in the high northern latitudes. NIERSC focuses on the four major related research areas: 1 Climate Variability and Change in High Northern Latitudes 2 2 Atmosphere-Ocean Interaction 3 3 Aquatic Ecosystems in Response to Global Change 4 Applied Meteorological and Oceanographic Research for Industrial Activities Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

NIERSC current and planned project activities relevant to the Arctic ROOS v INTAS DEMOSSS NIERSC current and planned project activities relevant to the Arctic ROOS v INTAS DEMOSSS (2007 -2009) v MONRUK (2007 -2009) v DAMOCLES TTC (2006 -2009) v MAREBASE (2008 -2011) v My. Ocean/Arctic Marine Core Services (2008 -2010) Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Development of marine oil spills/slicks satellite monitoring system elements targeting the Black/Caspian/Kara/Barents Seas INTAS Development of marine oil spills/slicks satellite monitoring system elements targeting the Black/Caspian/Kara/Barents Seas INTAS DEMOSSS (2007 -2009) Partners: Overall goal: Ш NERSC (Bergen, Norway) Ш BOOST (Brest, France) Ш University of Hamburg (Germany) Ш NIERSC (St. Petersburg, Russia) Ш To develop and demonstrate components of marine oil spill detection and prediction system based on satellite SAR and other data in combination with models for oil spill/slick monitoring, prediction and assessment of their impact on environment Institute of Applied Physics (Nizhny Novgorod, Russia) Ш Results: Marine Hydrophysical Institute Ш prototype of marine environment information service in Black/Caspian/Kara/Barents Seas as a part of GMES (Sevastopol, Ukraine) Ш AARI (St. Petersburg, Russia) Ш NTs. OMZ (Moscow, Russia) Ш monitoring of oil spills/slicks in the Black/Caspian/ Kara/Barents Seas based on ENVISAT ASAR and optical data Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Monitoring the marine environment in Russia, Ukraine and Kazakhstan using Synthetic Aperture Radar MONRUK Monitoring the marine environment in Russia, Ukraine and Kazakhstan using Synthetic Aperture Radar MONRUK (2007 -2009) Partners: Overall goal: Ш NERSC (Bergen, Norway) Ш Coastal and Marine Resources Centre To develop and implement satellite SAR monitoring of marine environment in Russia, Ukraine and Kazakhstan as component of (Ireland) GMES Ш BOOST (Brest, France) Specific objectives: Ш NIERSC (St. Petersburg, Russia) Ш Marine Hydrophysical Institute (Sevastopol, Ukraine) Ш Center of Astrophysical Research (Kazakhstan) Ш JRC/IPSC (Ispra, Italy) Ш NTs. OMZ (Moscow, Russia), through NIERSC Ш Develop algorithms for retrieval of marine geophysical parameters from SAR images including open ocean and sea ice Ш Improve forward modelling of sea surface radar scattering Ш Apply retrieval algorithms and radar scattering models for improved quantification of sea surface parameters with focus on oil spill an sea ice monitoring Ш Establish service chains for SAR monitoring in Northern Sea Route, Black and Caspian Seas Ш Develop and implement user-friendly, harmonized, pan-European, interoperable system to access data and information about marine environment based on web map server technology Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Developing Arctic Modelling and Observing Capabilities for Long-term Environment Studies DAMOCLES TTC (2006 -2009) Developing Arctic Modelling and Observing Capabilities for Long-term Environment Studies DAMOCLES TTC (2006 -2009) NIERSC tasks: v Ш Ice thickness: statistics of ice thickness, freeboard and density, and snow thickness from Russian archived data from previous expeditions Sea ice types and properties: improvement of ice type classification and MY ice retrieval based on passive microwave and scatterometer data using Neural Network approach and introducing ice surface temperature fields into retrieval process Ш v Ш studying ice drift from Russian satellite data (Okean SLR and optical/IR) Sea ice and snow thermodynamics: expeditions onboard Russian (? ) research vessels with measurements of temperature and albedo of sea ice and snow as well as in situ microwave radiometer measurements for validation of developed retrieval algorithms Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Maritime Resources of the Barents Sea: Satellite data driven monitoring in the context of Maritime Resources of the Barents Sea: Satellite data driven monitoring in the context of increase of commercial efficiency of the fishery MAREBASE (2008 -2011) Partners: Overall objective: Ø NERSC, Bergen, Norway To advance capability to monitor the Barents Sea maritime Ø NIERSC, St. Petersburg, Russia resources in the context of increase of commercial efficiency of Polar Research Institute of Marine Fisheries and Oceanography (PINRO), Murmansk, Russia Specific objectives: Ø Ø Russian State Hydrometerological Univercity (RSHU), St. Petersburg fishery Ø Development and validation of satellite SAR and optical data driven method for detection and monitoring marine processes and phenomena (e. g. fronts, current convergence and divergence) associated with zones of enhanced biological productivity Ø Performance of pilot monitoring of Barents Sea based on satellite and aircraft data, hydrodynamic and ecosystem modeling, and in situ observations on hydrological and biological (zooplankton, fish) parameters Ø Development of a prototype of satellite data driven monitoring system Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Development and pre-operational validation of upgraded GMES Marine Core Service and capabilities My. Ocean Development and pre-operational validation of upgraded GMES Marine Core Service and capabilities My. Ocean (2008 -2010) WP 5 – Arctic Monitoring and Forecasting Centre (MFC) Partners: Ø NERSC, Bergen, Norway Ø Met. No, Oslo, Norway Ø IMR, Bergen, Norway Ø NIERSC, St. Petersburg, Russia Ø AARI, St. Petersburg, Russia WP 5. 5. Arctic MFC Calibration/Validation and quality insurance Objective: To document quality of Arctic MFC, monitor its evolution with respect to user requirements, assist users in their interpretation of results and provide recommendations for upcoming observations programs and model R&D actions Monitor Arctic MFC system in operation Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Arctic ocean and sea ice parameters relevant to the Arctic ROOS: NIERSC contribution Ocean Arctic ocean and sea ice parameters relevant to the Arctic ROOS: NIERSC contribution Ocean surface features: Ш Ш current and temperature fronts eddies internal waves swell Oil spills: Ш detection Ш area Ш evolution Arctic ROOS Foundation Meeting Sea ice: Ш Ш Ш types concentration drift Icebergs: Ш detection Luleå 18 -19 December 2007

Main Tools SAR-image analysis (ocean, oil spills): Ш Radar Imaging Model (RIM) - NIERSC Main Tools SAR-image analysis (ocean, oil spills): Ш Radar Imaging Model (RIM) - NIERSC Ш Atmospheric Boundary Layer Model (ABL) - NIERSC Ш SARTool - BOOST Technologies Oil spill monitoring: Ш Oil spill Model for the Arctic Seas (Oil. MARS) - AARI Sea ice monitoring: Ш SAR NN-based algorithm for ice type classification – NIERSC Ш Improved passive-active microwave algorithm for ice concentration retrieval (NORSEX + Scatterometer) – NIERSC Ш New passive microwave NN-based algorithm for ice concentration retrieval - NIERSC Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Radar Imaging Model (RIM) Observed frontal feature Input: current velocity, SST, geostrophic wind and Radar Imaging Model (RIM) Observed frontal feature Input: current velocity, SST, geostrophic wind and free atmosphere temperature Atmospheric Boundary Layer model output Wave spectrum transformation model output: Bragg spectrum, MSS, Wave Breaking Measured NRCS contrast NRCS model output comparison Arctic ROOS Foundation Meeting Advanced model tool to simulate SAR signatures of various ocean surface phenomena Luleå 18 -19 December 2007 St. Petersburg, Russia

Examples of products from SARTool Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007 Examples of products from SARTool Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Oil. MARS (Oil spill Model for the Arctic Seas) Oil. MARS input: v NCEP/NCAR Oil. MARS (Oil spill Model for the Arctic Seas) Oil. MARS input: v NCEP/NCAR Reanalyzes database Ш Wind velocity and direction v 3 -D dynamic-thermodynamic model of ocean circulation (I. Neelov) Ш Surface water circulation Ш Surface water temperature and salinity Ш Ice concentration and drift v Wind wave model (I. Lavrenov) Ш Heights of wind waves Ш Periods of wind waves Ш Direction of wind waves propagation Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

SAR Neural Network-based algorithm for ice type classification MY-ice FY-ice Level Erroneous classification caused SAR Neural Network-based algorithm for ice type classification MY-ice FY-ice Level Erroneous classification caused by lack of angle correction Rough ENVISAT ASAR image for 23. 04. 2007 Canadian Arctic Image classification: red – multiyear ice green – level first-year ice blue – rough first-year ice Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Comparison of multi-year ice boundaries derived from scatterometer and AARI’s ice chart (30 March Comparison of multi-year ice boundaries derived from scatterometer and AARI’s ice chart (30 March 2006) Quik. SCAT (IFREMER) AARI Ice Chart SSM/I (NORSEX) Nilas First-year ice Multi-year ice Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

SSM/I mapping of multi-year ice with its boundary correction from scatterometer data November 2005 SSM/I mapping of multi-year ice with its boundary correction from scatterometer data November 2005 January 2006 Multi-year ice from scatterometer Multi-year ice from SSM/I NORSEX Arctic ROOS Foundation Meeting Corrected SSM/I Multi-year ice map Luleå 18 -19 December 2007

Development of Neural Network (NN) -based algorithm for ice concentration retrievals Atmosphere-Ice-Ocean System (AIOS) Development of Neural Network (NN) -based algorithm for ice concentration retrievals Atmosphere-Ice-Ocean System (AIOS) Model of microwave radiation transfer in AIOS Dataset of simultaneous meteorological and ice data Brightness temperature calculations Model sensitivity study Optimal NN-configuration development NN-algorithm for FY and MY ice concentration retrieval NN-algorithm validation using SAR-imagery Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007

Iceberg detection in SAR and visible images Landsat sub-image for April 14, 2006 “Monitor-E” Iceberg detection in SAR and visible images Landsat sub-image for April 14, 2006 “Monitor-E” sub-image for April 7, 2006 ENVISAT ASAR sub-image for April 5, 2006 Arctic ROOS Foundation Meeting Luleå 18 -19 December 2007