Ocean Surface waves Young-Heon Jo 2014 Spring Semester Section 8

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Presentation transcript:

Ocean Surface waves Young-Heon Jo 2014 Spring Semester Section 8 June 3, 2014 Satellite Oceanography Section 8 Ocean Surface waves Young-Heon Jo 2014 Spring Semester

NASA's G-III UAVSAR Surveys Gulf Oil Spill Area (HD 1080p) http://www.youtube.com/watch?v=3C7hkUA2N8Y

Outline 8.1 Introduction 8.2 Measuring ocean waves-principles 8.3Measuring ocean waves-practical system 8.4 Applications of wave data from satellies 8.5 Using satellite dta in wave prediction models 8.6 Wave climate 8.7 Assessment and future perspectives

8.1 Introduction

8.2 Measuring ocean waves-principles 8.2.1 Characterizing ocean waves in terms of measureable parameters 8.2.2 Wave energy and spectra 8.2.3 Significant wave height

8.2.4 Measuring ocean waves from an altimeter

8.2.5 Observing waves with the Synthetic Aperture Radar (SAR) Image spectra

Relating image spectra to ocean wve spectra Inverting the transform to retrieve wave spectra from image spectra

8.2.6 Wave spectrometry

8. 3 Measuring ocean waves-practical systems 8. 3 8.3 Measuring ocean waves-practical systems 8.3.1 Altimeters fro measuring SWH

8.3.2 SWH data products from altimeters

8.3.3 Synthetic Aperture Radars 8.3.4 ASAR wave-related products Synthetic Aperture Radar Marine User's Manual http://www.sarusersmanual.com/ ERS SAR views, University of Hamburg, Germany http://www.ifm.zmaw.de/fileadmin/files/ers-sar/Sdata/index.html

8. 4 Applications of wave data from satellites 8. 4 8.4 Applications of wave data from satellites 8.4.1 Applications of SWH

8.4.2 Applications of SAR

8.5 Using satellite data in wave prediction models 8.5.2 Use of satellite data with wave models 8.5.3 Assimilating satellite data into models

8.6 Wave climate Creating climatologies from satellite data

Exploiting satellite-derived wave climatologies

8.7 Assessment and future perspectives

What can SAR sea?