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Spaceborne SAR interferometry (InSAR) has the potential of detecting forest change on a global scale with fine (meter-level) spatial resolution as well as on a monthly/weekly basis regardless of day or night. This is significant to characterize the land-use change and its impact on climate change. In this paper, both single-pass and repeat-pass SAR interferometry from spaceborne sensors are combined...
This letter reports the sensitivity of X-band interferometric synthetic aperture radar (InSAR) data from the first dual-spacecraft radar interferometer, TanDEM-X, to variations in tropical-forest aboveground biomass (AGB). It also reports the first tropical-forest AGB estimates from TanDEM-X data. Tropical forests account for about 50% of the world's forested biomass and play critical roles in the...
The National Ecological Observatory Network (NEON) is a continental-scale research platform for discovering, understanding and forecasting the impacts of climate change, land-use change, and invasive species on ecology. Site-based flux tower and field measurements will be coordinated with high resolution, regional airborne remote sensing observations. This data combined with satellite observations,...
In this paper we describe a first investigation of continuous service for travel agencies that addresses an often neglected service part of a travel customer cycle: the trip itself. In a user-centred design process, we have developed a service and a system prototype to test our proposed design goals and system design, as well as the service in a realistic environment. We propose a three-level design...
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