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Paper Information

Title: 

A SIXTY YEAR EXTREME WAVE ANAYLSIS FOR THE SOUTHERN PERSIAN GULF, HORMUZ STRAIT AND OMAN SEA

Type: PAPER
Author(s): ROWE SCOTT,HAJJI HAFEDH,DARABINIA FARHAD,KEBRIAEE ALIREZA
 
 
 
Name of Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Type of Seminar:  CONFERENCE
Sponsor:  PORTS AND MARITIME ORGANIZATION
Date:  2010Volume 9
 
 
Abstract: 

INTRODUCTION: EXTREME WAVE ANALYSIS IS A CRUCIAL STEP IN PORT AND OFFSHORE STRUCTURE DESIGN AND PLAYS A LARGE ROLE IN BUDGETING FOR THESE COSTLY PROJECTS. CRITERIA OBTAINED FROM THESE ANALYSES ALSO HAVE IMPORTANT SAFETY IMPLICATIONS FOR THOSE INVOLVED. THIS STUDY DETAILS SUCH AN ANALYSIS PERFORMED FOR WAVES IN THE SOUTHERN PERSIAN GULF, STRAIT OF HORMUZ AND THE OMAN SEA REGIONS. EXTREME SIGNIFICANT WAVE HEIGHTS AND ASSOCIATED EXTREME WAVE PEAK PERIODS FOR VARIOUS RETURN PERIODS OVER A DOMAIN SPANNING FROM 52.625OE TO 59.25OE AND 23.25ON TO 27.75O AT A RESOLUTION OF 0.125O X 0.125O WERE OBTAINED BY CONSIDERING LOCAL STORMS OCCURRING DURING THE PERIOD 1948- 2009 INCLUSIVE, REPRESENTING 60 YEARS WORTH OF DATA. SEVERAL WIND FIELDS WERE CALIBRATED AGAINST ALTIMETRIC AND QUIKSCAT OBSERVATIONS OF WIND SPEED DURING SIGNIFICANT STORM EVENTS FOR THE PERIOD 1992 TO 2008. AFTER CALIBRATION OF THE WAVE MODEL WAVEWATCH III WITH RESPECT TO ALTIMETRIC OBSERVATIONS OF WAVE HEIGHT, SIMULATIONS WERE RUN FOR APPROXIMATELY 360 STORMS SELECTED FROM A LONG-TERM CLIMATIC WAVE DATABASE. THE WAVE OUTPUTS WERE USED TO PERFORM AN EXTREME ANALYSIS USING THE PARETO DISTRIBUTION AND EXTREME SIGNIFICANT WAVE HEIGHTS WERE ESTIMATED FOR RETURN PERIODS OF 1, 5, 10, 20, 50 AND 100 YEARS.

 
Keyword(s): WIND, WAVES, SWELL, ECMWF, ERA40, PARETO, CALIBRATION, ALTIMETRY, QUIKSCAT
 
 
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