Biophysical properties and mapping of aquatic vegetation during the hydrological cycle of the Amazon floodplain using JERS-1 and Radarsat

Autor:	F. Ahern, Evlyn Márcia Leão de Moraes Novo, Maycira Costa, O. Niemann
Rok vydání:	2002
Předmět:	Hydrology Synthetic aperture radar Amazon rainforest Atmospheric sciences law.invention Fully developed law Aquatic plant General Earth and Planetary Sciences Environmental science Spatial variability Amazon floodplain Radar Water cycle
Zdroj:	International Journal of Remote Sensing. 23:1401-1426
ISSN:	1366-5901 0143-1161
DOI:	10.1080/01431160110092957
Popis:	Field measurements were combined with Synthetic Aperture Radar (SAR) images to evaluate the use of radar for estimating biomass changes and mapping of aquatic vegetation in the lower Amazon. Field campaigns were conducted concomitant to the acquisition of Radarsat and JERS-1 images at five different stages of the hydrological cycle. The temporal variability of the SAR data for aquatic vegetation shows a dynamic range of 5 dB, however this is due dominantly to the significant differences ( p
Databáze:	OpenAIRE
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