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Land cover is an important part of ecosystem change and driving factors, while above ground biomass also plays an important role in carbon cycling. Supported by object-oriented classification technology, the land cover data of China (ChinaCover) in 2010 have been produced using Landsat TM/ETM and HJ-1 satellite data of 30m resolution, combined with a large number of data of field investigation. At...
Wetland is a significant component of the land ecosystems to discover the characteristics and ecological laws. Presently, a common method to estimate a regional wetland biomass is normally based on optical remote sensing images. The estimation of wetland biomass by Synthesize Aperture Radar (SAR) is a novel subject. As a new type sensor, SAR has advantages for wetland applications, therefore, it can...
Poyang Lake is the largest freshwater lake in China with an area of about 3000 km2. Its wetland ecosystem has a significant impact on China's environment change. In this paper, we discuss the neural network algorithms (NNA) to retrieve wetland vegetation biomass using the alternating polarization Envisat ASAR data. Two field measurements were carried out coincident with the satellite overpasses at...
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