'Significant wave height' diaporamas de présentation

Boating Course Weather

Boating Course Weather. Canadian Power & Sail Squadrons. General As an operator of a small vessel you can not safely ignore the weather. Even an elementary knowledge of theoretical meteorology can add greatly to piece of mind, comfort, and competence while afloat.

1.29k views • 102 slides

Carl Friedrichs

Tidal Flat Morphodynamics. Carl Friedrichs. Virginia Institute of Marine Science, College of William and Mary Main Points. 1) On tidal flats, sediment (especially mud) moves toward areas of weaker energy. 2) Tides usually move sediment landward; waves usually move sediment seaward.

693 views • 56 slides

Michel Olagnon IFREMER Brest, France

Rogue Waves: What risks ?. Michel Olagnon IFREMER Brest, France. Outline. Statistics: What is a rogue wave ? Definition Examples Occurrence probabilities Reliability: What are the associated risks ? Small ships Large ships Offshore platforms

715 views • 54 slides

Tenth ECMWF Workshop on Meteorological Operational Systems

Tenth ECMWF Workshop on Meteorological Operational Systems. WCMWF, Shinfield Park, Reading, Berks., United Kingdom 14-18 November 2005 Summarized By Yuejian Zhu Environmental Modeling Center NOAA/NWS/NCEP. Main Sessions.

599 views • 51 slides

Exploring Rogue Waves from Observations in South Indian Ocean by Paul C. Liu (NOAA/GLERL, U.S.A.) and Keith R. MacHutcho

Exploring Rogue Waves from Observations in South Indian Ocean by Paul C. Liu (NOAA/GLERL, U.S.A.) and Keith R. MacHutchon (Liebenberg & Stander International, South Africa). What is a rogue wave?. H max /H s > 2. How high can this ratio be?.

763 views • 43 slides

Waves from radar altimetry satellites: measurements and uses

Waves from radar altimetry satellites: measurements and uses. Vinca Rosmorduc, CLS / Aviso. Aviso?. A rchiving, V alidation and I nterpretation of S atellite O ceanographic data French Distributing and Archiving center for satellite altimetry data since 1992 (Topex/Poseidon launch)

624 views • 41 slides

Doctoral Dissertation Proposal Establishing confidence in marine forecast systems

Doctoral Dissertation Proposal Establishing confidence in marine forecast systems The design of an optimal marine forecast model for the NY/NJ Harbor estuary and its adjoining waters Nickitas Georgas, Ph.D. Candidate Stevens Institute of Technology Hoboken, NJ November 14, 2007.

517 views • 41 slides

Setting the Stage

Dr. Louis W. Uccellini Director National Centers for Environmental Prediction UCACN Meeting October 25, 2012. Setting the Stage. Outline. NOAA/NWS Update Summary of Progress on UCACN Recommendations FY12 Highlights FY13 : A Look Ahead Challenges. NOAA/NWS Update. NOAA/NWS Update.

544 views • 41 slides

3.5 WIND LOADS 3.5.1 Wind phenomenology Wind speed is experienced essentially at two different time scales:

3.5 WIND LOADS 3.5.1 Wind phenomenology Wind speed is experienced essentially at two different time scales:

422 views • 27 slides

Global Validation and Assimilation of ENVISAT ASAR Wave Mode Spectra

Global Validation and Assimilation of ENVISAT ASAR Wave Mode Spectra. Saleh Abdalla , Jean-Raymond Bidlot and Peter Janssen ECMWF, Reading, UK. Outline :. Introduction. Quality of ASAR Wave Mode Level 1b (ASA_WVS_1P). Quality of ASAR Wave Mode Level 2 (ASA_WVW_2P).

485 views • 27 slides

Need to Assimilate Sea Surface Height Anomalies into the Atmospheric Models

Need to Assimilate Sea Surface Height Anomalies into the Atmospheric Models. MM Ali NRSC (mmali73@yahoo.com). In this Presentation: Introduction to satellite altimetry SSHA and OHC OHC vs SST/SSHA Impact of SSHA on CI Impact of SSHA on CT SSHA ? OMT ISMR vs SST/OMT Future.

398 views • 24 slides

Progress on Metadata Issues for Ocean Observing

Progress on Metadata Issues for Ocean Observing. Stephanie Watson, CeNCOOS Julie Bosch, NOAA NCDDC Presented at the QARTOD II Workshop, 2/28-3/2/05. Overview. Metadata in IOOS Data Management and Communications (DMAC) plan and subsequent issue paper

360 views • 22 slides

Overview

Overview. Wave modeling for design of MRL-HSDRRS MRL-HSDRRS design / overtopping calcs Map of deficient areas Overtopping along MRL-HSDRRS EB and WB Katrina validation. Wave Modeling in River. Input Timeseries : Water Level (Depth) Wind Speed / Direction Input Geometry:

361 views • 21 slides

Change of Microwave Radiation under Different Oceanic Conditions

Change of Microwave Radiation under Different Oceanic Conditions - Results from Comparison between AMSR and SeaWinds on ADEOS-II - Akira Shibata EORC / JAXA NOAA-NASA Workshop, Feb.8-10, 2005, at FIU. Research Purpose Under what kind of parameters does the ocean microwave emission change ?

297 views • 21 slides

The Logistic Requirements for Wave Field Measurement

The Logistic Requirements for Wave Field Measurement. Prof. Dr.-Ing. Chia Chuen Kao Director, Coastal Ocean Monitoring Center, National Cheng Kung University Dr. Laurence Zsu-Hsin Chuang Deputy Director, Coastal Ocean Monitoring Center, National Cheng Kung University Dr. Beng-Chun Lee

274 views • 18 slides

ECMWF DCPC status and plans

ECMWF DCPC status and plans. Baudouin Raoult Head of Meteorological Data Section. ECMWF DCPC - Status. Endorsed by CBS (June 2011) GISC: WE-VGISC (West-European VGISC) Metadata available for all essential and additional products. ECMWF DCPC: Data available for global exchange.

379 views • 16 slides

AdcircLite -NC Rapid computation of storm surge and waves for NC coastal waters

AdcircLite -NC Rapid computation of storm surge and waves for NC coastal waters. Brian Blanton Renaissance Computing Institute/UNC Chapel Hill Jesse Bikman , MS Candidate Department of Marine Sciences, UNC Chapel Hill Alexander Taflanidis , Andrew Kennedy University of Notre Dame

295 views • 16 slides

Waves

Waves. Waves are motion of a water surface. Parts of a wave are wave crest , wave trough, wave height (H), wave amplitude, wave length (L),and wave period (T ). What Causes Waves?. Submarine disturbance Gravitational attraction of sun and moon Wind Wind velocity Wind duration

430 views • 12 slides

Forecasting Ocean Waves

Forecasting Ocean Waves. Problem: Given observed or expected weather, what will be the sea state? Ships are sunk not by winds, but by waves!. Definitions. Period (T) - The time for one complete cycle of a process, e.g., the time between wave crests at a point.

255 views • 7 slides

Altimeter error budgets

151 views • 4 slides