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2003•National Remote Sensing BulletinRequires access

Wave Height from Satellite Altimetry and Its Comparison with a Model Product

Seungbum Kim, Sok Kuh Kang

Open publisher page 2 citations

Abstract

We exhacted significant wave height (SWH) using several altimeter missions from 1987~1995 over the Northwest Pacific ocean and compared with ECMWF (European Center for Medium Range Forecast) reanalysis (ERA) products. For large wave heights the ERA wave heights are smaller than the altimetric ones, while for small wave heights the ERA wave heights are larger. Comparison in SWH between altimetric derivations and ERA model products shows the discrepancy of 0.46~0.21 × SWH (m). Methods for propagating this differences into ERA winds error are presented.

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What this paper is about

We exhacted significant wave height (SWH) using several altimeter missions from 1987~1995 over the Northwest Pacific ocean and compared with ECMWF (European Center for Medium Range Forecast) reanalysis (ERA) products. For large wave heights the ERA wave heights are smaller than the altimetric ones, while for small wave heights the ERA wave heights are larger. Comparison in SWH between altimetric derivations and ERA model products shows the discrepancy of 0.46~0.21 × SWH (m). Methods for propagating this differences into ERA winds error are presented.

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Available abstract

We exhacted significant wave height (SWH) using several altimeter missions from 1987~1995 over the Northwest Pacific ocean and compared with ECMWF (European Center for Medium Range Forecast) reanalysis (ERA) products. For large wave heights the ERA wave heights are smaller than the altimetric ones, while for small wave heights the ERA wave heights are larger. Comparison in SWH between altimetric derivations and ERA model products shows the discrepancy of 0.46~0.21 × SWH (m). Methods for propagating this differences into ERA winds error are presented.

Key concepts: Altimeter, Significant wave height, Satellite altimetry, Wave height, Wave model, Satellite, Sea-surface height, Geodesy

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