Antonio Ruiz-Verdú

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The objective of the ESA funded project “Development of MERIS Lake Water Algorithms” (January 2007 – June 2008) was to develop and validate a plug-in module for the BEAM toolbox that allows the retrieval of water quality parameters in lake waters from MERIS imagery. For this purpose, new algorithms were developed, based on the optical properties of lakes(More)
The loss of the ability in signalling transduction constitutes an attractive hypothesis to explain the age-related loss of functions in the nervous system. In this paper we have examined adenylyl cyclase and G proteins in Ceratitis capitata brain during aging. The intermediate level of complexity of the Mediterranean fruit fly and its short lifespan make it(More)
When crops senescence, leaves remain until they fall off or are harvested. Hence, leaf area index (LAI) stays high even when chlorophyll content degrades to zero. Current LAI approaches from remote sensing techniques are not optimized for estimating LAI of senescent vegetation. In this paper a two-step approach has been proposed to realize simultaneous LAI(More)
We present the preliminary results of the first stage of the project AO-594, which comprises the development and calibration of algorithms for photosynthetic pigment mapping in Spanish reservoirs. In the years 2001-2002, an extensive field campaign was made in 36 reservoirs and lakes in order to obtain a database of Rrs spectra (400-1000 nm), photosynthetic(More)
CHRIS/Proba imagery has been acquired, in the period from May to November 2004, in Rosarito reservoir (Spain). This eutrophic water body was chosen as a test site for analyzing the possibilities offered by CHRIS/Proba for water quality monitoring, applying models for estimating chlorophyll-a and phycocyanin concentrations from water reflectances. An(More)
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