نتایج جستجو برای: meteosat 9
تعداد نتایج: 483677 فیلتر نتایج به سال:
Long-term, remote-sensing-based climate data records (CDRs) are highly dependent on having consistent, wellcalibrated satellite instrument measurements of the Earth’s radiant energy. Therefore, by making historical satellite calibrations consistent with those of today’s imagers, the Earth-observing community can benefit from a CDR that spans a minimum of 30 years. Most operational meteorologica...
This paper considers only the IRS mission, for which the highest priority is on atmospheric dynamics in support to Numerical Weather Prediction (NWP) at regional and global scales. This will be achieved through the provision of Atmospheric Motion Vectors (AMV), to be extracted from tracking of horizontally and vertically resolved water vapour patterns, retrieved from the hyperspectral radiances...
A cloud-detection method was used to retrieve cloudy pixels from Meteosat images. High spatial resolution (one pixel), monthly averaged cloud-cover distribution was obtained for a 1-year period. The seasonal cycle of cloud amount was analyzed. Cloud parameters obtained include the total cloud amount and the percentage of occurrence of clouds at three altitudes. Hourly variations of cloud cover ...
Ordinal measures, based on the relative order of intensity values within window, provide a robust method for finding correspondences between non-ideal images. However, for medium sized windows their discriminatory power is low. To overcome this problem, they can be applied within a correlation-relaxation labelling framework. The advantages of this approach are demonstrated in application to clo...
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