Flow separation and lee-waves in the marine atmosphere
|
|
- Emma O’Connor’
- 5 years ago
- Views:
Transcription
1 Flow separation and lee-waves in the marine atmosphere Det norske Videnskabs-Akademi 16 Oct Bjørn Gjevik Universitetet i Oslo epost: bjorng@math.uio.no Flow separation and lee-waves in the marine atmosphere p. 1
2 On-going joint work with Knut-Frode Dagestad Johnny Johannessen at NANSEN ENVIRONMENTAL AND REMOTE SENSING CENTER, Bergen Flow separation and lee-waves in the marine atmosphere p. 2
3 The site area on the west coast 78 o N SPITSBERGEN 72 o N 66 o N 60 o N NORWAY 54 o N GREAT BRITAIN 40 o E 10 o W 30 o E 20 o E 0 o 10 o E Flow separation and lee-waves in the marine atmosphere p. 3
4 The West Cape Stad Flow separation and lee-waves in the marine atmosphere p. 4
5 Old paper by Spinnangr (1939) Flow separation and lee-waves in the marine atmosphere p. 5
6 A herring fishing boat near Stad ca Flow separation and lee-waves in the marine atmosphere p. 6
7 Early satellite images (ca. 1980) Flow separation and lee-waves in the marine atmosphere p. 7
8 Parameters Wind speed Potential temperature Brunt - Väisälä frequency N = Scorer parameter (wave number) Froude number U θ N U U Nh g θ θ z Flow separation and lee-waves in the marine atmosphere p. 8
9 Thesis by Tom Marthinsen (1981) Stability and wind Wave form Flow separation and lee-waves in the marine atmosphere p. 9
10 Development in SAR-technology Platform Year Bandwidth Wide swaths Seasat 1978 L-band (ca. 20 cm) 100 km ERS C-band (ca. 6 cm) 100 km JERS L-band (ca. 20 cm) 75 km ERS similar to ERS-1 Radarsat 1995 C-band (ca. 6 cm) 500 km PalSAR 2006 L-band (ca. 20 cm) 250 km Envisat ASAR 2002 C-band (ca. 6 cm) 100/420 km Radarsat II 2007 C-band (ca. 6 cm) 500 km TerraSAR 2008 X-band (ca. 2 cm) 100 km Cosmo-Skymed 2008 X-band (ca. 2 cm) 100 km Flow separation and lee-waves in the marine atmosphere p. 10
11 Radar backscatter vs. wind speed σ 0 (U, ϕ) = A(θ)U γ(θ) [1 + B(U, θ) cosϕ + C(U, θ) sinϕ] ϕ θ Angle of incidence γ Wind exponent A, B, C Empirical coefficients Angle between radar look direction and wind direction Flow separation and lee-waves in the marine atmosphere p. 11
12 24 Apr UTC (Envisat) Flow separation and lee-waves in the marine atmosphere p. 12
13 Envisat ASAR-wind (24 Apr. 21:07 UTC) Flow separation and lee-waves in the marine atmosphere p. 13
14 Surface weather map (25 Apr. 00 UTC) Flow separation and lee-waves in the marine atmosphere p. 14
15 Local map (24 Apr. 15 UTC) Flow separation and lee-waves in the marine atmosphere p. 15
16 Wind Transect Flow separation and lee-waves in the marine atmosphere p. 16
17 Simple 2-layer model Wave perturbation η exp[k(x ct)] Potential flow z > η Hydrostatic flow h < z < η Flow separation and lee-waves in the marine atmosphere p. 17
18 Dispersion relation No wind shear u = 0 c(kh) = ǫgh 1 + kh (1) With wind shear u 0 unstable waves for kh > c(0)2 u 2 c(0) 2 (2) With kh=0.5, (h=1 km, λ = 12.8 km) c = u/3, (u = 15 m/s, c = 5 m/s, T = 40 min.) Flow separation and lee-waves in the marine atmosphere p. 18
19 Wake flow (Beal et al. 2005) Lee-waves/shear-waves Flow separation and lee-waves in the marine atmosphere p. 19
20 Wake flow (Beal et al. 2005) Lee-waves/shear-waves Point wakes Flow separation and lee-waves in the marine atmosphere p. 19
21 Wake flow (Beal et al. 2005) Lee-waves/shear-waves Point wakes Low speed with flow separation Flow separation and lee-waves in the marine atmosphere p. 19
22 Wake flow (Beal et al. 2005) Lee-waves/shear-waves Point wakes Low speed with flow separation High speed with expansion fan Flow separation and lee-waves in the marine atmosphere p. 19
23 24 Oct UTC (Envisat) Flow separation and lee-waves in the marine atmosphere p. 20
24 Surface weather map (24 Oct. 00 UTC) Flow separation and lee-waves in the marine atmosphere p. 21
25 Wind transect 24 Oct Flow separation and lee-waves in the marine atmosphere p. 22
26 15 Dec UTC (Envisat) Flow separation and lee-waves in the marine atmosphere p. 23
27 Surface weather map (16 Dec. 00 UTC) Flow separation and lee-waves in the marine atmosphere p. 24
28 Envisat ASAR-wind 15 Dec Flow separation and lee-waves in the marine atmosphere p. 25
29 Wind transect 15 Dec (1) Flow separation and lee-waves in the marine atmosphere p. 26
30 Wind transect 15 Dec (2) Flow separation and lee-waves in the marine atmosphere p. 27
31 23 Sept UTC (Envisat) Flow separation and lee-waves in the marine atmosphere p. 28
32 Surface weather map (24 Sept. 00 UTC) Flow separation and lee-waves in the marine atmosphere p. 29
33 1 May UTC (Envisat) Flow separation and lee-waves in the marine atmosphere p. 30
34 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Flow separation and lee-waves in the marine atmosphere p. 31
35 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Flow separation and lee-waves in the marine atmosphere p. 31
36 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Important for maritime activities and offshore wind mill parks Flow separation and lee-waves in the marine atmosphere p. 31
37 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Important for maritime activities and offshore wind mill parks Open questions: Flow separation and lee-waves in the marine atmosphere p. 31
38 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Important for maritime activities and offshore wind mill parks Open questions: Effect of sea air temperature difference Flow separation and lee-waves in the marine atmosphere p. 31
39 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Important for maritime activities and offshore wind mill parks Open questions: Effect of sea air temperature difference Are lee effects present also during strong wind events? Flow separation and lee-waves in the marine atmosphere p. 31
40 Summary Footprints of wake flow downstream from Stad in Envisat ASAR Lee effects with sharp shear zones Important for maritime activities and offshore wind mill parks Open questions: Effect of sea air temperature difference Are lee effects present also during strong wind events? Effect of wind stress on ocean current Flow separation and lee-waves in the marine atmosphere p. 31
41 References Spinnangr (1939) Om terrengets virkning på vindene i Vest-Norge og fiskebankene utafor. Norsk Tidskrift for Sjøvesenet, desember 1939 side Marthinsen (1981) On the linear, stratified flow past three-dimensional obstacles. Preprint Series, Appl. Math. No. 6, University of Oslo, and Dr. scient thesis, University of Oslo Beal et al. (2005) High Resolution Wind Monitoring with Wide Swath SAR: A User s Guide. U.S. Department of Commerce, Washington, DC, June Flow separation and lee-waves in the marine atmosphere p. 32
Development of SAR-Derived Ocean Surface Winds at NOAA/NESDIS
Development of SAR-Derived Ocean Surface Winds at NOAA/NESDIS Pablo Clemente-Colón, William G. Pichel, NOAA/NESDIS Frank M. Monaldo, Donald R. Thompson The Johns Hopkins University Applied Physics Laboratory
More informationOffshore wind resource mapping in Europe from satellites
Offshore wind resource mapping in Europe from satellites Charlotte Bay Hasager Seminar at University of Auckland, Dept. of Physics 1 April 2015 Content DTU Wind Energy Offshore wind turbines New European
More informationSPATIAL AND TEMPORAL VARIATIONS OF INTERNAL WAVES IN THE NORTHERN SOUTH CHINA SEA
SPATIAL AND TEMPORAL VARIATIONS OF INTERNAL WAVES IN THE NORTHERN SOUTH CHINA SEA Weigen Huang (1), Johnny Johannessen (2,3), Werner Alpers (4) Jingsong Yang (1), Xilin Gan (1) (1) Second Institute of
More informationSynthetic Aperture Radar imaging of Polar Lows
Oslo Polar Low workshop 21-22 May 2012 Extended abstract Synthetic Aperture Radar imaging of Polar Lows Birgitte Furevik, Gunnar Noer and Johannes Röhrs met.no Forecasting polar lows is to a large degree
More informationAnalyses of Scatterometer and SAR Data at the University of Hamburg
Analyses of Scatterometer and SAR Data at the University of Hamburg Wind, Waves, Surface Films and Rain ГАДЕ, Мартин Хорстович (aka Martin Gade) Institut für Meereskunde, Universität Hamburg, Германия
More informationPRELIMINARY STUDY ON DEVELOPING AN L-BAND WIND RETRIEVAL MODEL FUNCTION USING ALOS/PALSAR
PRELIMINARY STUDY ON DEVELOPING AN L-BAND WIND RETRIEVAL MODEL FUNCTION USING ALOS/PALSAR Osamu Isoguchi, Masanobu Shimada Earth Observation Research Center, Japan Aerospace Exploration Agency (JAXA) 2-1-1
More informationAn Atlas of Oceanic Internal Solitary Waves (February 2004) by Global Ocean Associates Prepared for Office of Naval Research Code 322 PO
Overview The is located in the North Atlantic Ocean between southern Ireland and southwest England (Figure 1). The Sea s western edge covers a continental shelf region characterized by rough and irregular
More informationSynthetic aperture radar observations of sea surface signatures of atmospheric gravity waves over Southeast Asian coastal waters
Synthetic aperture radar observations of sea surface signatures of atmospheric gravity waves over Southeast Asian coastal waters Werner Alpers Institute of Oceanography, University of Hamburg, Hamburg,
More informationTHE POLARIMETRIC CHARACTERISTICS OF BOTTOM TOPOGRAPHY RELATED FEATURES ON SAR IMAGES
THE POLARIMETRIC CHARACTERISTICS OF BOTTOM TOPOGRAPHY RELATED FEATURES ON SAR IMAGES Taerim Kim Professor, Ocean System Eng. Dept. Kunsan University Miryong Dong San 68, Kunsan, Jeonbuk, Korea, trkim@kunsan.ac.kr
More informationWaMoS II Wave Monitoring System
WaMoS II Wave Monitoring System - An application of WaMoS II at Duck - Katrin Hessner, K. Reichert, J. Dannenberg OceanWaveS GmbH, Germany Kent Hathaway, Don Resio Engineering Research Development Center
More informationGeophysical Model Functions for the Retrieval of Ocean Surface Winds
Geophysical Model Functions for the Retrieval of Ocean Surface Winds Donald R. Thompson and Frank M. Monaldo Johns Hopkins University Applied Physics Laboratory 11100 Johns Hopkins Road, Laurel, MD 20708
More informationRZGM Wind Atlas of Aegean Sea with SAR data
RZGM2013-14 - Wind Atlas of Aegean Sea with SAR data Ferhat Bingöl 1, Charlotte B. Hassager 2, Merete Badger 3 and Jake Badger 4 Denmark Technical University, Wind Energy, Frederiksborgvej 399 4000 Roskilde,
More informationAn Atlas of Oceanic Internal Solitary Waves (May 2002) by Global Ocean Associates Prepared for the Office of Naval Research - Code 322PO
Overview is located in the western Pacific Ocean along the west side of the Philippines (between approximately 5 o and 11 o N. latitude and 117 o and 123 o E. longitude). It is a deepwater sea, roughly
More informationHIGH RESOLUTION WIND AND WAVE MEASUREMENTS FROM TerraSAR-X IN COMPARISON TO MARINE FORECAST
SAR Maritime Applications German Aerospace Center (DLR) Remote Sensing Technology Institute Maritime Security Lab HIGH RESOLUTION WIND AND WAVE MEASUREMENTS FROM TerraSAR-X IN COMPARISON TO MARINE FORECAST
More informationIntroduction EU-Norsewind
Satellite winds in EU-Norsewind Charlotte Bay Hasager, Risø DTU, Denmark Alexis Mouche, CLS, France Merete Badger, Poul Astrup & Morten Nielsen, Risø DTU, Denmark Romain Husson, ESA Introduction EU-Norsewind
More informationAssessing the quality of Synthetic Aperture Radar (SAR) wind retrieval in coastal zones using multiple Lidars
Assessing the quality of Synthetic Aperture Radar (SAR) wind retrieval in coastal zones using multiple Lidars Tobias Ahsbahs Merete Badger, Ioanna Karagali, Xiaoli Larsen What is the coastal zone? Coastal
More informationHigh resolution wind fields over the Black Sea derived from Envisat ASAR data using an advanced wind retrieval algorithm
High resolution wind fields over the Black Sea derived from Envisat ASAR data using an advanced wind retrieval algorithm Werner Alpers (1), Alexis Mouche (2), Andrei Yu. Ivanov (3), and Burghard Brümmer
More informationRIVET Satellite Remote Sensing and Small Scale Wave Process Analysis
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. RIVET Satellite Remote Sensing and Small Scale Wave Process Analysis Hans C. Graber RSMAS Department of Ocean Sciences
More informationLifting satellite winds from 10 m to hub-height
Lifting satellite winds from 10 m to hub-height Hasager, C.B., Badger, M., Peña, A., Hahmann, A., Volker, P. 23 May 2016 VindkraftNet meeting, DONG Energy, Skærbæk Motivation We have: Satellite wind maps
More informationSAR images and Polar Lows
SAR images and Polar Lows Gunnar Noer, Birgitte Furevik, Johannes Röhrs Observing polar lows in 2012: AVHRR Polar orbiting satellite imagery Primary source of info Observations at cloud tops Synoptic observations
More informationObservations of Oceanic Internal Waves in Bay of Bengal using Synthetic Aperture Radar
Observations of Oceanic Internal Waves in Bay of Bengal using Synthetic Aperture Radar K.V.S.R. Prasad and M. Rajasekhar Department of Meteorology & Oceanography, Andhra University,Visakhapatnam-530 033,
More informationOBSERVATION OF HURRICANE WINDS USING SYNTHETIC APERTURE RADAR
OBSERVATION OF HURRICANE WINDS USING SYNTHETIC APERTURE RADAR Jochen Horstmann 1, Wolfgang Koch 1,DonaldR.Thompson 2, and Hans C. Graber 3 1 Institute for Coastal Research, GKSS Research Center, Geesthacht,
More informationON THE USE OF DOPPLER SHIFT FOR SAR WIND RETRIEVAL
ON THE USE OF DOPPLER SHIFT FOR SAR WIND RETRIEVAL K-F. Dagestad 1, A. Mouche 2, F. Collard 2, M. W. Hansen 1 and J. Johannessen 1 (1) Nansen Environmental and Remote Censing Center, Thormohlens gt 47,
More informationXiaoli Guo Larsén,* Søren Larsen and Andrea N. Hahmann Risø National Laboratory for Sustainable Energy, Roskilde, Denmark
Quarterly Journal of the Royal Meteorological Society Q. J. R. Meteorol. Soc. 138: 274 279, January 2012 A Notes and Correspondence Origin of the waves in A case-study of mesoscale spectra of wind and
More informationMonitoring Conditions Offshore with Satellites
Downloaded from orbit.dtu.dk on: Dec 15, 2017 Monitoring Conditions Offshore with Satellites Karagali, Ioanna; Hasager, Charlotte Bay; Badger, Merete; Bingöl, Ferhat; Ejsing Jørgensen, Hans Publication
More informationIMPROVED OIL SLICK IDENTIFICATION USING CMOD5 MODEL FOR WIND SPEED EVALUATION ON SAR IMAGES
IMPROVED OIL SLICK IDENTIFICATION USING CMOD5 MODEL FOR WIND SPEED EVALUATION ON SAR IMAGES H.KHENOUCHI & Y. SMARA University of Sciences and Technology Houari Boumediene (USTHB). Faculty of Electronics
More informationThe Estimation of Ship Velocity from a SAR Image
The Estimation of Ship Velocity from a SAR Image James K.E. Tunaley, Radar Applications and Space Technology Section DRDC Ottawa Defence R&D Canada R et D pour la défense Canada Canada OBJECTIVES Ship
More informationUsing several data sources for offshore wind resource assessment
Author manuscript, published in ", Copenhagen : Denmark (2005)" Ben Ticha M. B., Ranchin T., Wald L., Using several data sources for offshore wind resource assessment, 2005, Using several data sources
More informationUSING SATELLITE SAR IN OFFSHORE WIND RESOURCE ASSESSMENT
USING SATELLITE SAR IN OFFSHORE WIND RESOURCE ASSESSMENT B. R. Furevik (1), C. B. Hasager (2), M. Nielsen (2), T. Hamre (1), B. H. Jørgensen (2), O. Rathmann (2), and O. M. Johannessen (1,3) (1) Nansen
More informationNONLINEAR INTERNAL WAVES IN THE SOUTH CHINA SEA
25 th ACRS 2004 Chiang Mai, Thailand xxx NONLINEAR INTERNAL WAVES IN THE SOUTH CHINA SEA Ming-Kuang Hsu Professor, Kuang Wu Institute of Technology, Taipei, Taiwan, R.O.C. Hsumk@kwit.edu.tw Antony K. Liu
More informationOffshore Wind Turbine Wake Characterization using Scanning Doppler Lidar
Offshore Wind Turbine Wake Characterization using Scanning Doppler Lidar R. Krishnamurthy a, J. Reuder b, B. Svardal c, H.J.S. Fernando a, J. B. Jakobsen d a University of Notre-Dame, Notre-Dame, Indiana
More informationDEVELOPMENT AND VALIDATION OF A SAR WIND EMULATOR
The Nansen Environmental and Remote Sensing Center a non-profit research institute affiliated with the University of Bergen Thormøhlensgate 47, N-5006 Bergen Norway NERSC Technical Report no. 304 DEVELOPMENT
More informationAn Atlas of Oceanic Internal Solitary Waves (February 2004) by Global Ocean Associates Prepared for Office of Naval Research Code 322 PO
Overview covers approximately 2200 km of coast from Kenya to the tip of Somalia (approximately 39 o E, 4 o S to 51 o E, 12 o N)(Figure 1). Internal wave activity has been observed in the area the near
More informationComparison of data and model predictions of current, wave and radar cross-section modulation by seabed sand waves
Comparison of data and model predictions of current, wave and radar cross-section modulation by seabed sand waves Cees de Valk, ARGOSS Summary SAR Imaging of seabed features Seabed Sand waves Objectives
More informationCentral American Pacific Coast
Overview The Pacific coast of Central America extends approximately 3700 km from central Mexico (20 o N, 106 o W) to the edge of South America (7 o N, 78 o W). A significant continental shelf exists from
More informationADVANCES ON WIND ENERGY RESOURCE MAPPING FROM SAR
ADVANCES ON WIND ENERGY RESOURCE MAPPING FROM SAR C.B. Hasager, M. Nielsen, M.B. Christiansen, R. Barthelmie, P. Astrup Risoe National Laboratory, Wind Energy Department, Frederiksborgvej 399, DK-4000
More informationSatellite information on ocean vector wind from Scatterometer data. Giovanna De Chiara
Satellite information on ocean vector wind from Scatterometer data Giovanna De Chiara Why is Scatterometer important? The scatterometer measures the ocean surface winds (ocean wind vector). Ocean surface
More informationOBSERVATIONS OF ATMOSPHERIC GRAVITY WAVES OVER THE CHINESE SEAS BY SPACEBORNE SYNTHETIC APERTURE RADAR
OBSERVATIONS OF ATMOSPHERIC GRAVITY WAVES OVER THE CHINESE SEAS BY SPACEBORNE SYNTHETIC APERTURE RADAR W. Alpers (1), W. Huang (2), G. Xilin (2) (1) Center for Marine and Climate Research, Institute of
More informationLow level coastal jet
MetOcean analysis of a low-level coastal jet off the Norwegian coast. EERA DeepWind'2014 Deep Sea Offshore Wind R&D Conference, Trondheim, 22-24 January 2014 Harokopio University Konstantinos Christakos,
More informationPolar Activities at DLR Maritime Security Lab Bremen in the Projects EISTAK and EMS
Polar Activities at DLR Maritime Security Lab Bremen in the Projects EISTAK and EMS Susanne Lehner, Anja Frost, Rudolf Ressel German Aerospace Center Chart 2 Maritime Security Lab in Bremen German Aerospace
More informationUsing Satellite Spectral Wave Data for Wave Energy Resource Characterization
Using Satellite Spectral Wave Data for Wave Energy Resource Characterization M. T. ontes 1,2, M. Bruck 3, S. Lehener 3, A. Kabuth 1,4 1 LNEG Estrada do aço do Lumiar 1649-038 Lisboa, ortugal teresa.pontes@lneg.pt
More informationJackie May* Mark Bourassa. * Current affilitation: QinetiQ-NA
Jackie May* Mark Bourassa * Current affilitation: QinetiQ-NA Background/Motivation In situ observations (ships and buoys) are used to validate satellite observations Problems with comparing data Sparseness
More informationLAMPEDUSA C B TRIPOLI
ITALY SRR LAMPEDUSA 0 60 120 KILOMETERS MALTA SRR NATO MARITIME SURVEILLANCE AREA AS OF MARCH 23, 2011 D C B NATO MARITIME SURVEILLANCE AREA AS OF APRIL 8, 2011 A LIBYA SRR E TRIPOLI EXCERPT FROM: REPORT
More informationAquarius Sca+erometer Calibra3on
Aquarius Sca+erometer Calibra3on Fore, A., Neumann, G., Freedman, A., Chaubell, M., Tang, W., Hayashi, A., and Yueh, S. 217 California Ins3tute of Technology, Government Sponsorship acknowledged Aquarius
More informationWind Direction Analysis over the Ocean using SAR Imagery
Journal of Information & Computational Science 5: 1 (2008) 223-231 Available at http: www.joics.com Wind Direction Analysis over the Ocean using SAR Imagery Kaiguo Fan a,b,, Weigen Huang a, Mingxia He
More informationMaxWave Rogue Waves Forecast and Impact on Marine Structures
Rogue Waves Forecast and Impact on Marine Structures Elzbieta Bitner-Gregersen Det Norske Veritas AS NO-1322 Høvik, Norway Slide 1 Rogue Waves Forecast and Impact on Marine Structures Extreme Waves New
More informationShip waves in Tallinn Bay: Experimental and numerical study
Ship waves in Tallinn Bay: Experimental and numerical study Tomas Torsvik Bergen Center for Computational Science UNIFOB AS In collaboration with Tarmo Soomere Wave Engineering Centre for Nonlinear studies
More informationIMPROVED BAYESIAN WIND VECTOR RETRIEVAL SCHEME USING ENVISAT ASAR DATA: PRINCIPLES AND VALIDATION RESULTS
IMPROVED BAYESIAN WIND VECTOR RETRIEVAL SCHEME USING ENVISAT ASAR DATA: PRINCIPLES AND VALIDATION RESULTS Vincent Kerbaol (1), and the SAR Ocean Wind, Waves and Currents Team (1) BOOST Technologies, 115
More informationERS-1/2 Scatterometer new products: mission reprocessing and data quality improvement
ERS-1/2 Scatterometer new products: mission reprocessing and data quality improvement Giovanna De Chiara (1), Raffaele Crapolicchio (1), Pascal Lecomte (2) (1) Serco SpA Via Sciadonna 22-24 Frascati (Roma),
More informationThe Ice Contamination Ratio Method: Accurately Retrieving Ocean Winds Closer to the Sea Ice Edge While Eliminating Ice Winds
The Ice Contamination Ratio Method: Accurately Retrieving Ocean Winds Closer to the Sea Ice Edge While Eliminating Ice Winds David Long Department of Electrical and Computer Engineering Brigham Young University
More informationAn Atlas of Oceanic Internal Solitary Waves (February 2004) by Global Ocean Associates Prepared for Office of Naval Research Code 322 PO
Overview covers approximately 5500 km of coast between Western Sahara (22 o N, 17 o W) and Angola (5 o S, 12 o E) (Figure 1). The continental shelf in the region varies significantly in width. The region
More informationSwell (wind) fields obtained from Satellite Observation CLS Christian Ortega - Mission blue Journées Annuelles des Hydrocarbures 2013
Swell (wind) fields obtained from Satellite Observation CLS Christian Ortega - cortega@cls.fr Mission blue Journées Annuelles des Hydrocarbures 2013 Purpose Develop new methodologies to obtain swell (wind)
More informationReview of Equivalent Neutral Winds and Stress
Review of Equivalent Neutral Winds and Stress Mark A. Bourassa Center for Ocean-Atmospheric Prediction Studies, Geophysical Fluid Dynamics Institute & Department of Earth, Ocean and Atmospheric Science
More informationESCI 343 Atmospheric Dynamics II Lesson 10 - Topographic Waves
ESCI 343 Atmospheric Dynamics II Lesson 10 - Topographic Waves Reference: An Introduction to Dynamic Meteorology (3 rd edition), J.R. Holton Reading: Holton, Section 7.4. STATIONARY WAVES Waves will appear
More informationNORCOWE met-ocean measurement campaigns
NORCOWE met-ocean measurement campaigns Kumer V.-M., Reuder J., Furevik B.,, Båserud L., Svardal B., Sæter C., Flügge M., Bakhoday Paskyabi M., Eecen P. University of Bergen, Norway, CMR, Norway, Meteorological
More informationOcean Wave Parameters Retrieval from TerraSAR-X Images Validated against Buoy Measurements and Model Results
Remote Sens. 2015, 7, 12815-12828; doi:10.3390/rs71012815 Article OPEN ACCESS remote sensing ISSN 2072-4292 www.mdpi.com/journal/remotesensing Ocean Wave Parameters Retrieval from TerraSAR-X Images Validated
More informationSATELLITE REMOTE SENSING APPLIED TO OFF-SHORE WIND ENERGY
EARSeL eproceedings 13, 1/014 1 SATELLITE REMOTE SENSING APPLIED TO OFF-SHORE WIND ENERGY Sara Venafra 1, Marco Morelli, and Andrea Masini 1 1. Flyby S.r.l., Livorno, Italy; {sara.venafra / andrea.masini}(at)flyby.it.
More informationEVALUATION OF ENVISAT ASAR WAVE MODE RETRIEVAL ALGORITHMS FOR SEA-STATE FORECASTING AND WAVE CLIMATE ASSESSMENT
EVALUATION OF ENVISAT ASAR WAVE MODE RETRIEVAL ALGORITHMS FOR SEA-STATE FORECASTING AND WAVE CLIMATE ASSESSMENT F.J. Melger ARGOSS, P.O. Box 61, 8335 ZH Vollenhove, the Netherlands, Email: info@argoss.nl
More informationWind Stress Working Group 2015 IOVWST Meeting Portland, OR
Wind Stress Working Group 2015 IOVWST Meeting Portland, OR Summary of Research Topics, Objectives and Questions James B. Edson University of Connecticut SPURS Mooring, Farrar, WHOI Background Motivation
More informationAn Atlas of Oceanic Internal Solitary Waves (February 2004) by Global Ocean Associates Prepared for Office of Naval Research Code 322 PO
Overview The is located in the western Pacific Ocean north of the Indonesian Island of Celebes and south of the Sulu Sea and the Philippines (Figure 1). It is a deep-water sea, roughly circular with several
More informationSTUDY OF LOCAL WINDS IN MOUNTAINOUS COASTAL AREAS BY MULTI- SENSOR SATELLITE DATA
STUDY OF LOCAL WINDS IN MOUNTAINOUS COASTAL AREAS BY MULTI- SENSOR SATELLITE DATA Werner Alpers Institute of Oceanography, University of Hamburg, Bundesstrasse 53, D-20146 Hamburg, Germany E-mail: alpers@ifm.uni-hamburg.de
More informationWaves Part II. non-dispersive (C g =C)
Waves Part II Previously we discussed Surface Gravity Waves Deep Water Waves Shallow Water Waves C g T 2 C g h dispersive (C g =C/2) Definitions: phase speed C= /T= /k non-dispersive (C g =C) group speed
More informationOn the Interpretation of Scatterometer Winds near Sea Surface Temperature Fronts
On the Interpretation of Scatterometer Winds near Sea Surface Temperature Fronts Jim Edson University of Connecticut Amanda Plagge & Doug Vandemark University of New Hampshire IOVWST Meeting Utrecht, NL
More informationHIGH RESOLUTION WIND RETRIEVAL FOR SEAWINDS ON QUIKSCAT. Jeremy B. Luke. A thesis submitted to the faculty of. Brigham Young University
HIGH RESOLUTION WIND RETRIEVAL FOR SEAWINDS ON QUIKSCAT by Jeremy B. Luke A thesis submitted to the faculty of Brigham Young University in partial fulfillment of the requirements for the degree of Master
More informationValidation of 12.5 km Resolution Coastal Winds. Barry Vanhoff, COAS/OSU Funding by NASA/NOAA
Validation of 12.5 km Resolution Coastal Winds Barry Vanhoff, COAS/OSU Funding by NASA/NOAA Outline Part 1: Determining empirical land mask Characterizing σ 0 near coast Part 2: Wind retrieval using new
More informationSINGULAR WAVES, PROPAGATION AND PROGNOSIS. H. Günther, W. Rosenthal
SINGULAR WAVES, PROPAGATION AND PROGNOSIS H. Günther, W. Rosenthal GKSS Research Center Geesthacht Institute for Coastal Research Geesthacht, Germany Within the last years a high number of large ships
More informationREMOTE SENSING APPLICATION in WIND ENERGY
REMOTE SENSING APPLICATION in WIND ENERGY Siraj Ahmed Professor & Head Department of Mechanical Engineering Maulana Azad National Iinstitute of Technology Bhopal, India sirajahmed@manit.ac.in Contents
More informationStefan Emeis
The Physics of Wind Park Optimization Stefan Emeis stefan.emeis@kit.edu INSTITUTE OF METEOROLOGY AND CLIMATE RESEARCH, Photo: Vattenfall/C. Steiness KIT University of the State of Baden-Wuerttemberg and
More informationSEASONDE DETECTION OF TSUNAMI WAVES
SEASONDE DETECTION OF TSUNAMI WAVES Belinda Lipa, John Bourg, Jimmy Isaacson, Don Barrick, and Laura Pederson 1 I. INTRODUCTION We here report on preliminary results of a study to assess the capability
More informationThe Sea surface KInematics Multiscale (SKIM)
The Sea surface KInematics Multiscale () proposal for ESA EE9 the team : https://www.facebook.com/4ee9 http://tinyurl.com/onrg http://www.umr-lops.fr/projets/projets-actifs/ 14 years of Doppler oceanography:
More informationOffshore wind mapping Mediterranean area using SAR
Downloaded from orbit.dtu.dk on: Jan 12, 2019 Offshore wind mapping Mediterranean area using SAR Calaudi, Rosamaria; Arena, Felice; Badger, Merete; Sempreviva, Anna Maria Published in: Energy Procedia
More informationHIGH RESOLUTION WIND FIELDS OVER THE BLACK SEA DERIVED FROM ENVISAT ASAR DATA USING AN ADVANCED WIND RETRIEVAL ALGORITHM
HIGH RESOLUTION WIND FIELDS OVER THE BLACK SEA DERIVED FROM ENVISAT ASAR DATA USING AN ADVANCED WIND RETRIEVAL ALGORITHM Werner Alpers (1), Alexis Mouche (2), Andrei Yu. Ivanov (3), Burghard Brümmer (4)
More informationSAR-based Wind Resource Statistics in the Baltic Sea
Downloaded from orbit.dtu.dk on: Nov 13, 2018 SAR-based Wind Resource Statistics in the Baltic Sea Hasager, Charlotte Bay; Badger, Merete; Pena Diaz, Alfredo; Larsén, Xiaoli Guo; Bingöl, Ferhat Published
More informationAustralian Northwest Shelf
Overview The Australian Northwest shelf extends roughly 2000 km along the coast of Western Australia (Figure 1). The region is influenced by part of the South Equatorial Current that runs southwest out
More informationAbrupt marine boundary layer changes revealed by airborne in situ and lidar measurements
Abrupt marine boundary layer changes revealed by airborne in situ and lidar measurements David A. Rahn 1, Thomas R. Parish 2, and David Leon 2 1 Univeristy of Kansas 2 Univeristy of Wyoming Precision Atmospheric
More informationEastern Equatorial Pacific
Overview The is the region of open ocean directly south of Mexico and Central America (between approximately 4 o to 16 o N, and 85 o to 105 o W) (Figure 1). Major bathymetric features include Guatemala
More informationENVISAT WIND AND WAVE PRODUCTS: MONITORING, VALIDATION AND ASSIMILATION
ENVISAT WIND AND WAVE PRODUCTS: MONITORING, VALIDATION AND ASSIMILATION Peter A.E.M. Janssen (), Saleh Abdalla (), Jean-Raymond Bidlot (3) European Centre for Medium-Range Weather Forecasts, Shinfield
More informationInternal Solitary Waves Generated at Banco Engaño, Mona Passage
Internal Solitary Waves Generated at Banco Engaño, Mona Passage Edwin Alfonso-Sosa, Ph. D. Ocean Physics Education 10-Mar-2015 Summary Satellite images of MODIS/Terra/Aqua sensor and photos taken by NASA
More informationA1 A2 θ. H r. φ flat= 4 π λ. The University of New South Wales. Single-pass InSAR
Milestoes of Radar ISAR Geometry B A1 A2 θ Radar, 1904 ---0 SAR (Sythetic Aperture Radar), 1952 ---48 ISAR (Iterferometric SAR, IfSAR), 1974 ---22 DISAR (Differetial ISAR), 1993 ---19 PSISAR, 2000 ---7
More informationJCOMM Technical Workshop on Wave Measurements from Buoys
JCOMM Technical Workshop on Wave Measurements from Buoys Val Swail Chair, JCOMM Expert Team on Wind Waves and Storm Surges Neville Smith Vincent Cardone Peter Janssen Gerbrand Komen Peter Taylor WIND WAVES
More information9.2 Mesoscale Eddy Formation and Shock Features Associated with a Coastally Trapped Disturbance
9.2 Mesoscale Eddy Formation and Shock Features Associated with a Coastally Trapped Disturbance Stephen D. Burk and William T. Thompson Naval Research Laboratory Monterey, California 1. Introduction On
More informationThe Evolution of Vertical Spatial Coherence with Range from Source
The Evolution of Vertical Spatial Coherence with Range from Source Peter H. Dahl Applied Physics Laboratory and Mechanical Engineering Dept. University of Washington Research sponsored by U.S. Office of
More informationModelling of Extreme Waves Related to Stability Research
Modelling of Extreme Waves Related to Stability Research Janou Hennig 1 and Frans van Walree 1 1. Maritime Research Institute Netherlands,(MARIN), Wageningen, the Netherlands Abstract: The paper deals
More informationApplications of ELCIRC at LNEC
stratification in the Guadiana estuary tidal propagation in the Óbidos lagoon Lígia Pinto Anabela Oliveira André B. Fortunato 2 O utline Stratification in the Guadiana estuary The Guadiana estuary Objectives
More informationGravity waves and bores. Material kindly provided by Dr. Steven Koch GSD NOAA (Boulder, CO)
Gravity waves and bores Material kindly provided by Dr. Steven Koch GSD NOAA (Boulder, CO) Presented at Iowa State University 11 April 2005 What is a gravity wave? An oscillation caused by the displacement
More informationImpact of the thermal stratification on the atmospheric flow over a topography
Impact of the thermal stratification on the atmospheric flow over a topography A. Butet METEO-FRANCE CNRM/GMEI42 av. Coriolis 31057 Toulouse Cedex, France Email: alain.butet@meteo.fr Abstract Chemical
More informationWind Atlas for the Gulf of Suez Satellite Imagery and Analyses
Downloaded from orbit.dtu.dk on: Nov 09, 2017 Wind Atlas for the Gulf of Suez Satellite Imagery and Analyses Hasager, Charlotte Bay Publication date: 2003 Document Version Publisher's PDF, also known as
More informationImprints of Coastal Mountains on Ocean Circulation and Variability
Imprints of Coastal Mountains on Ocean Circulation and Variability Shang-Ping Xie 1 with C.-H. Chang 1, W. Zhuang 2, N. Schneider 1, J. Small 3, B. Taguchi 4, and H. Sasaki 4 1 IPRC, University of Hawaii
More informationECO 40 is a CLASS 40 Main dimensions of the boat
11 marzo 2015 I condizionamenti dell ambiente sulla performance sportiva: come si vince un Olimpiade Aula Magna - Politecnico di Torino Corso Duca degli Abruzzi 24 ROMA OCEAN WORLD Paolo DE GIROLAMO -
More informationDANISH METEOROLOGICAL INSTITUTE
DANISH METEOROLOGICAL INSTITUTE TECHNICAL REPORT No. 01-04 Detailed Wind Speed Information From RADARSAT ScanSAR Wide February 2001 Rasmus Tage Tonboe ISSN 0906-897X Copenhagen 2001 0 Preface This report
More informationThe GMES programme: Implementation of the Space Component and Services
Space Downstream Services 2010 6-7 May 2010, Tallinn, Estonia The GMES programme: Implementation of the Space Component and Services Josef Aschbacher Head, ESA GMES Space Office GMES Components GMES is
More informationApplication of a new algorithm using Doppler information to retrieve complex wind fields over the Black Sea from ENVISAT SAR images
1 International Journal Of Remote Sensing 2015, Volume 36 Issue 3 Pages 863-881 http://dx.doi.org/10.1080/01431161.2014.999169 http://archimer.ifremer.fr/doc/00253/36390/ 2015 Taylor & Francis Achimer
More informationFirst studies with the high-resolution coupled wave current model CWAM and other aspects of the project Sea State Monitor
First studies with the high-resolution coupled wave current model CWAM and other aspects of the project Sea State Monitor Jens Kieser, Thomas Bruns German Meteorological Service (Deutscher Wetterdienst,
More informationShort-period gravity waves over a high-latitude observation site: Rothera, Antarctica
Short-period gravity waves over a high-latitude observation site: Rothera, Antarctica K. Nielsen, D. Broutman, M. Taylor, D. Siskind, S. Eckermann, K. Hoppel, R. Hibbins, M. Jarvis, N. Mitchell, J. Russell
More informationThe Offshore Boundary Layer Observatory (OBLO) Possibilities for the offshore wind industry
The Offshore Boundary Layer Observatory (OBLO) Possibilities for the offshore wind industry Prof. Peter Haugan, Prof. Joachim Reuder Geophysical Institute, NORCOWE Science Meets Industry 08. November 2016,
More informationCombined Wave and Wind Fatigue Damage for Offshore Structures
Combined Wave and Wind Fatigue Damage for Offshore Structures Ronald Horn, S.M.I.L.E.-FEM GmbH, Heikendorf Hongxia Gu, IMPaC Offshore Engineering GmbH, Hamburg October, 19-21 th, 2011, Stuttgart 1 S.M.I.L.E.-FEM
More informationP2.17 OBSERVATIONS OF STRONG MOUNTAIN WAVES IN THE LEE OF THE MEDICINE BOW MOUNTAINS OF SOUTHEAST WYOMING
P2.17 OBSERVATIONS OF STRONG MOUNTAIN WAVES IN THE LEE OF THE MEDICINE BOW MOUNTAINS OF SOUTHEAST WYOMING Larry D. Oolman 1, Jeffrey R. French 1, Samuel Haimov 1, David Leon 1, and Vanda Grubišić 2 1 University
More informationERS WAVE MISSION REPROCESSING- QC SUPPORT ENVISAT MISSION EXTENSION SUPPORT
REPORT 8/2011 ISBN 978-82-7492-248-8 ISSN 1890-5218 ERS WAVE MISSION REPROCESSING- QC SUPPORT ENVISAT MISSION EXTENSION SUPPORT - Annual Report 2010 Author (s): Harald Johnsen (Norut), Fabrice Collard
More informationSatellite information for wind energy applications
Downloaded from orbit.dtu.dk on: Oct 01, 2018 Satellite information for wind energy applications Nielsen, Morten; Astrup, Poul; Hasager, Charlotte Bay; Barthelmie, R.J.; Pryor, S.C. Publication date: 2004
More informationFire and Safety for Offshore drilling and production Ajey Walavalkar ANSYS Inc.
Fire and Safety for Offshore drilling and production Ajey Walavalkar ANSYS Inc. 1 ANSYS, Inc. September 12, Fire and safety related applications Gas Dispersion and Ventilation Formation of combustible
More information