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|Title:||On the possible retrieval of windwave states from optical and nearIR remote sensing imagery of the ocean|
|Source:||Salinas, S.V. (2007). On the possible retrieval of windwave states from optical and nearIR remote sensing imagery of the ocean. International Geoscience and Remote Sensing Symposium (IGARSS) : 769-772. ScholarBank@NUS Repository. https://doi.org/10.1109/IGARSS.2007.4422910|
|Abstract:||Since the pioneering work of Cox & Munk , who first investigated the probability distribution of liquid surface facets using the analysis of aerial photographs of the Sun glitter, it has been widely recognized that the dominant parameter that determines the sea surface roughness is the mean square slope (MSS) of the sea surface which is mainly related to short wind waves and other surface effects in a lesser degree. Liquid surface reflection has been studied experimentally over the years and several empirical algorithms have been formulated relating wind speed directly to the MSS. Using these empirical formulations, the reflectivity of the liquid surface can be computed using a normal probability distribution of water surface facets and applying Fresnel relations to each surface facet. However, these approaches do not include the influence of wave states or the physical properties of the sea surface on the computation of the MSS. In a recent work, Salinas  has developed a radiative transfer model that incorporates a new windwave description for the MSS of the sea surface  . This model includes wind interaction and windwave states, such as wave age, as the main factors contributing to surface roughness. In this work, we apply the above mentioned radiative transfer model to the analysis of remote sensing data obtained from TERRA-MODIS satellite imagery taken near Sun glint regions. As as ancillary step, wind speed data, corresponding to TERRA-MODIS date of measurements and obtained from the SeaWinds instrument on the QuikScat satellite, are used to constrain the range of wind speed in our calculations. © 2007 IEEE.|
|Source Title:||International Geoscience and Remote Sensing Symposium (IGARSS)|
|Appears in Collections:||Staff Publications|
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