Revealing forerunners on Envisat's wave mode ASAR using the Global Seismic Network
نویسندگان
چکیده
منابع مشابه
Global wave model validation using ENVISAT ASAR wave mode data
Spaceborne active radar remote sensing, e.g., radar altimeter (RA) and synthetic aperture radar (SAR) have been playing an important role in the validation of numerical wave models, particularly in open ocean. Most forecast centres also use altimeter data in the wave data assimilation process. In this paper we present validation results based on the newly developed CWAVE_ENV algorithm. SAR wave...
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Some geophysical calibration results on the level 1 ASAR WVI products are presented in the continuity of the investigations performed on the ERS1/2 SAR Wave Mode products. Investigations have been focussed on comparisons with co-located ECMWF winds. In particular, a calibration constant is tentatively derived using CMOD-IFREMER model function. Following standard azimuthal resolution losses over...
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Nowadays, spaceborne Synthetic Aperture Radar (SAR) has become a powerful tool for providing significant wave height (SWH). Traditionally, validation of SAR derived SWH has been carried out against buoy measurements or model outputs, which only yield an inter-comparison, but not an “absolute” validation. In this study, the triple collocation error model has been introduced in the validation of ...
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the velocity data of seismic waves in a region has an important role in locating occurred events. information such as velocity ratio of vp/vs and velocity curves for pg, pn, sg, and sn phases directly affect the locating results. it is well known that the vp/vs ratio can be used to predict lithology, and that s-waves are sensitive to microcracks aligned by the present day stress field. also, th...
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A first geophysical validation of the ASAR Wave Mode Level 2 product is performed using ASAR Wave Mode data acquired during May 2002, which have been co-located with ECMWF WAM spectra and wind speed data. First calibration results and a comparison of wind speed and wave spectral parameters are presented and discussed. The performance of the product is as expected, with very good agreement in te...
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2012
ISSN: 0094-8276
DOI: 10.1029/2012gl052334