نتایج جستجو برای: landsat 5 and 8
تعداد نتایج: 17095448 فیلتر نتایج به سال:
Abstract. Cloud and cloud shadow segmentation is a crucial pre-processing step for any application that uses multi-spectral satellite images. In particular, time-critical disaster applications, require accurate immediate masks while being able to adapt possibly large variations caused by different sensor characteristics, scene properties or atmospheric conditions. This study introduces the newl...
The increasing number of satellite missions provides vast opportunities for continuous vegetation monitoring, crucial precision agriculture and environmental sustainability. However, accurately estimating traits, such as nitrogen concentration (N%), from Landsat 7 (L7), 8 (L8), Sentinel-2 (S2) data is challenging due to the diverse sensor configurations complex atmospheric interactions. To addr...
This research demonstrates the important role of the remote sensing in finding out the different parameters behind the agricultural crop change, forest cover and urban 3D models. Standalone software is developed to view and analysis the different factors effecting the change in crop productions. Open-source libraries from the Open Source Geospatial Foundation have been used for the development ...
BACKGROUND A functional forest carbon measuring, reporting and verification (MRV) system to support climate change mitigation policies, such as REDD+, requires estimates of forest biomass carbon, as an input to estimate emissions. A combination of field inventory and remote sensing is expected to provide those data. By linking Landsat 8 and forest inventory data, we (1) developed linear mixed e...
This study analyzed land use and land cover changes and their impact on land surface temperature using Landsat 5 Thematic Mapper and Landsat 8 Operational Land Imager and Thermal Infrared Sensor imagery of the Yellow River Delta. Six Landsat images comprising two time series were used to calculate the land surface temperature and correlated vegetation indices. The Yellow River Delta area has ex...
This paper presents the vicarious calibration results of Landsat 8 OLI that were obtained using the reflectance-based approach at test sites in Nevada, California, Arizona, and South Dakota, USA. Additional data were obtained using the Radiometric Calibration Test Site, which is a suite of instruments located at Railroad Valley, Nevada, USA. The results for the top-of-atmosphere spectral radian...
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