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Urban vegetation, particularly trees, plays important roles in the urban ecosystems. In this study, we examined the potential of WorldView-2 imagery (acquired on September 14, 2012) for urban tree species classification in the capital city of Beijing, China. Four tree species including Chinese white poplar(Populus tomentosa Carrière),Chineses scholartree(Sophora Japonica), Gingko(Ginkgo biloba L.)and...
Soil moisture is a highly variable component of soil, and plays an important role in materials and energy exchanges between earth and atmosphere. It is also the basic parameter of crop growing and crop yield forecast. With the features of observing large area synchronously, timely, and economically, remote sensing technique makes dynamic soil moisture monitoring possible. Soil moisture remote sensing...
The objective of this paper is to analyze the albedo-NDVI spectral feature space to develope drought estimation methods using Landsat ETM+ imagery. A simple ratio and differences of surface albedo and normalized difference vegetation index (NDVI) are examined. The methods are compared against field measured soil moisture at Shunyi test site in Beijing, China. Results indicate that there are close...
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