@InProceedings{BarbosaNFCCLSA:2015:BrInWa,
author = "Barbosa, Claudio Clemente Faria and Novo, Evlyn M{\'a}rcia
Le{\~a}o de Moraes and Ferreira, Renato Martins Passos and
Carvalho, Lino Augusto Sander de and Cairo, Carolline Tressmann
and Lopes, F. and Stech, Jos{\'e} Luiz and Alcantara, Enner",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {Instituto Nacional de Pesquisas Espaciais
(INPE)} and {Universidade Federal do Cear{\'a} (UFC)} and
{Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Universidade Estadual Paulista (UNESP)}",
title = "Brazilian inland water bio-optical dataset to support carbon
budget studies in reservoirs as well as anthropogenic impacts in
amazon floodplain lakes",
booktitle = "Proceedings...",
year = "2015",
organization = "International Symposium on Remote Sensing of Environment, 36.",
keywords = "Brazilian inland waters, Amazon Floodplain Lake, bio-optical
dataset, Inherent and Apparent optical measurements, Diffuse
attenuation coefficient.",
abstract = "This work presents ongoing efforts and preliminary results for
building a dataset that represents the first and most
comprehensive bio-optical information available on Brazilian
inland waters to support the development of remote sensing
algorithms for monitoring aquatic systems. From 2012 to 2014
optical and limnological data was gathered along thirteen field
campaigns in five Brazilian reservoirs, in an irrigation and
domestic water supply reservoir located in semi-arid northeast of
the country and in Amazonian floodplain lakes, thus covering the
diversity of Brazilian inland waters. At each site 20 stations, on
average, were sampled to acquire profiles of the following optical
variables: absorption, attenuation, scattering, and backscattering
coefficients and radiances/irradiances spectra above and in-water.
Alongside these measurements, water samples were collected for
determining concentrations of chlorophyll-a (Chl-a), Total
Suspended Solid (TSS), Total Dissolved Carbon (TDC) and its
organic/inorganic fractions, CDOM absorption, phytoplankton
specific absorption [aph*] and Non-Algal Particles absorption
[aNAP*]. Preliminary results show that Chl-a concentrations ranged
from 0.6 to 243µg/L in reservoirs and 0.90 to 92µg/L in Amazonian
lakes, while TSS concentrations ranged from 0.3 to 31mg/L in
reservoirs and 0.5 to 162mg/L in Amazonian lakes. In situ beam
attenuation coefficients ranged from 1.4 to 16m-1 in reservoirs
and 12.5 to 38m-1 in Amazonian lakes, while diffuse attenuation
coefficients of downwelling irradiance over the Photosynthetically
Active Radiation (Kd(PAR)) extended from 0.35 to 4.5m-1 in
reservoirs and 1.69 to 13.30m-1 in Amazonian lakes. Our research
group is building this dataset anticipating future demands for
algorithm validation regarding OLI/Landsat8 data and ESA Sentinel
missions to be launched as of 2015.",
conference-location = "Berlin, Germany",
conference-year = "11-15 may",
language = "en",
urlaccessdate = "09 maio 2024"
}