نتایج جستجو برای: avhrr images
تعداد نتایج: 263171 فیلتر نتایج به سال:
3D reconstructions allow cultural institutions such as museums and historic sites a tool to vividly illustrate the past while educating the public about competing interpretations of history and change over time. 3D technology also offers many practical benefits including low cost, flexibility, and the potential for collaboration. This paper presents potential applications of 3D reconstructions ...
Models simulating the seasonal growth of vegetation have been recently coupled to soil–vegetation–atmosphere transfer schemes (SVATS). Such coupled vegetation–SVATS models (V–S) account for changes of the vegetation leaf area index (LAI) over time. One problem faced by V–S models is the high number of parameters that are required to simulate different sites or large areas. Therefore, efficient ...
Detailed information from global remote sensing has greatly advanced our understanding of Earth as a system in general and of agricultural processes in particular. Vegetation monitoring with global remote sensing systems over long time periods is critical to gain a better understanding of processes related to agricultural change over long time periods. This specifically relates to sub-humid to ...
[1] Soufflet, V., D. Tanre, A. Royer, and N.T. O'Neill, (1997) Remote sensing of aerosols over boreal forest and lake water from AVHRR data. Remote Sensing of Environment, 60, pp: 22-34. [2] Goodrum, G., K.B. Kidwell, and W. Winston, (1999) NOAA KLM user's guide, National Environmental Satellite, Date, and Information Services (NESDIS). [3] Key, J., (2002) The Cloud and Surface Parameter Retrie...
Forest fire in recent years has paid great attention to climate change and ecosystems. Remote sensing is a quick and inexpensive way to detect and monitor forest fires on a large scale. The purpose of this study was to identify forest and rangeland fire hazards using NOAA / AVHRR in Kayamaki Wildlife Refuge. For the purpose of this study, the history of the fire-burns occurred in MODIS products...
The Advanced Very High Resolution Radiometer (AVHRR) instrument on-board the METOP satellite is designed to provide very accurate measurements of Sea Surface Temperature (SST). In this work, using one year of METOP-AVHRR data and a geostatistical approach, we characterize the spatial anisotropy and non-stationarity of the SST variability using oriented ellipsoids. The method is also able to sep...
Thresholding based method for rainy cloud detection with NOAA/AVHRR data by means of Jacobi iteration method is proposed. Attempts of the proposed method are made through comparisons to truth data which are provided by Japanese Meteorological Agency: JMA which is derived from radar data. Although the experimental results show not so good regressive performance, new trials give some knowledge an...
Surface solar radiation (Rs) is essential to climate studies. Thanks long-term records from the Advanced Very High-Resolution Radiometers (AVHRR), recent release of International Satellite Cloud Climatology Project (ISCCP) HXG cloud products provide a promising opportunity for building Rs data with high resolutions (3 h and 10 km). In this study, we compare three satellite based on AVHRR over C...
Accurate monitoring of albedo trends over snow is essential to evaluate the consequences global cover retreat on Earth’s energy budget. Satellite observations provide best way monitor these globally, but their uncertainty increases snow. Besides, different products sometimes show diverging trends. A better assessment fitness satellite for needed. We analyze consistency black-sky estimates from ...
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