نتایج جستجو برای: waveform lidar
تعداد نتایج: 29800 فیلتر نتایج به سال:
The spread of an alien invasive grass (gamba grass—Andropogon gayanus) in the tropical savannas of Northern Australia is a major threat to habitat quality and biodiversity in the region, primarily through its influence on fire intensity. Effective control and eradication of this invader requires better insight into its spatial distribution and rate of spread to inform management actions. We use...
Land cover is an integral component for characterizing anthropogenic activity and promoting sustainable land use. Mapping distribution coverage of at broad spatiotemporal scales largely relies on classification remotely sensed data. Although recently multi-source data fusion has been playing increasingly active role in classification, our intensive review current studies shows that the integrat...
Over the past decades, urban growth has been known as a worldwide phenomenon that includes widening process and expanding pattern. While the cities are changing rapidly, their quantitative analysis as well as decision making in urban planning can benefit from two-dimensional (2D) and three-dimensional (3D) digital models. The recent developments in imaging and non-imaging sensor technologies, s...
The Geoscience Laser Altimeter System aboard NASA’s Ice, Cloud and land Elevation Satellite will record the height distribution of laser energy reflected from surfaces within 70 m diameter footprints. For land surfaces, post-processing of this waveform data will be used to estimate the within-footprint mean elevation and surface relief due to ground slope and roughness, vegetation cover, buildi...
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