A5043728287- Marine and coastal ecosystems
- Marine Biology and Ecology Research
- Oceanographic and Atmospheric Processes
- Coral and Marine Ecosystems Studies
- Marine and fisheries research
- Marine and coastal plant biology
- Microbial Community Ecology and Physiology
- Aquaculture Nutrition and Growth
- Atmospheric and Environmental Gas Dynamics
- Marine Bivalve and Aquaculture Studies
- Water Quality Monitoring and Analysis
- Advanced Image Fusion Techniques
- Oil Spill Detection and Mitigation
- Tailings Management and Properties
- Soil erosion and sediment transport
- Geochemistry and Geologic Mapping
- Remote-Sensing Image Classification
- Fish biology, ecology, and behavior
- Isotope Analysis in Ecology
- Atmospheric aerosols and clouds
- Environmental Toxicology and Ecotoxicology
- Microplastics and Plastic Pollution
- Water Quality and Pollution Assessment
- Aquatic Ecosystems and Phytoplankton Dynamics
- Climate variability and models
National Institute for Space Research
2011-2024
Universidade Federal de Santa Catarina
2012
Earth observing systems have proven to be a unique source of long-term synoptic information on numerous physical, chemical and biological parameters global scale. Merging this for integrated studies that peruse key questions about the ocean-atmosphere interface is, however, very challenging. Such require interdisciplinary frameworks novel insights into ways address problem. We present here perspective review how current emerging remote sensing technologies could help two scientific within...
© 2019 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).A supplement to article is available online (10.1175/BAMS-D-18-0102.2)
During the last quarter of 2019, beaches, mangroves, and estuaries Northeast Brazil received an unprecedented volume crude oil from sea, which became worst environmental disaster ever to reach Brazilian coast. The oil, having reached shores completely unnoticed, left both society government agents clueless on (i) where was coming from; (ii) how much still in ocean shorelines; (iii) beaches were going be affected next! By exploring remote sensing data numerical modeling, along with dispersion...
Abstract The Western Iberian Coast (WIC) is characterized by a dynamic coastal upwelling system with interactions between oceanographic features and continental river run‐off. present study investigates the spatio‐temporal variability in concentrations of Chlorophyll (Chl ) turbidity, their relationships physical other biogeochemical properties along entire coast Portugal, as well response phytoplankton to pulses. In situ data were obtained during four campaigns conducted spring (April–May...
The Eastern Lagoon of New Caledonia (ELNC) is a semi-enclosed system surrounded by an extensive coral reef barrier. has been suffering impacts from climate variability and anthropogenic activities, including mining exploitation. Satellite monitoring thus essential tool to detect such changes. present study aimed assess the bio-optical ELNC examine applicability ocean colour algorithms, using in situ radiometric data, collected during March 2014 CALIOPE 2 cruise. chlorophyll concentration...
Retrieving chlorophyll-a concentration (Chla) from remote-sensing data is especially challenging in coastal regions because of the presence other co-dominant optically significant constituents (OSCs). In this study, we characterize bio-optical variability at a fixed time series station South Brazil Bight (SBB), ANTARES-Ubatuba site (São Paulo, Brazil) radiometric measurements and water sample analyses, evaluate performance ocean colour (OC) algorithms for Chla retrieval. situ spectral...
Coastal zones are influenced by oceanic, atmospheric, and continental forces, which make them highly vulnerable to climate anthropogenic changes. The Paraíba do Sul River (PSR) Estuary (Brazil), is especially affected intensive industrial, urban, rural activities, along its catchment area. Few works, though, have been done concerning the impacts of these Remote sensing is, thus, an important unique tool assess past scenes for a temporal analysis. present work aimed analyze spatial-temporal...
This study aimed to assess benthic impacts of suspended shellfish cultures in two marine farms located South Bay, Florianópolis (SC, Brazil). The goal was detect changes the layer and evaluate influence local conditions, such as hydrodynamics geomorphology, on degree impact at each site. method included analysis three groups oceanographic descriptors: hydrodynamic; morpho-sedimentological (bathymetry, grain size organic content), ecological (foraminiferal fauna). Data sets were analyzed...
Sea surface temperature (SST) is an essential climate variable used for ocean and weather monitoring forecasting. The NOAA’s next generation geostationary satellite GOES-16 was declared operational at the east position (75°W) in December 2017, carrying onboard Advanced Baseline Imager (ABI). hyperspectral ABI sensor now allows SST estimates every 10–15 min both day nighttime, with advanced options cloud screening water vapor correction. In present work, we compare first product (OSI SAF,...
Ocean colour remote sensing provides information at the global-scale on phytoplankton biomass, indexed as chlorophyll-a concentration (Chl-a). Various models have also been developed to estimate size classes (PSCs) from ocean data. Here we evaluate abundance-based approach that relies total Chl-a input and spectral-based spectrally-resolved absorption coefficient (aph). The were regionally adjusted using it in situ data a coastal time-series station South Brazil Bight, Southwestern Atlantic...
Essential Climate Variables (ECVs) like ocean colour provide crucial information on the Optically Active Constituents (OACs) of seawater, such as phytoplankton, non-algal particles, and coloured dissolved organic matter (CDOM). The challenge in estimating these constituents through remote sensing is accurately distinguishing quantifying optical biogeochemical properties, e.g., absorption coefficients concentration chlorophyll a (Chla), especially complex waters. This study evaluated temporal...
Santa Catarina is the greatest oyster and mussel producer in Brazil.The main cultivated species are exotic Crassostrea gigas, native rhizophorae Perna perna.Most of production concentrated capital city Florianópolis.This work aimed to assess possible alterations organic chemical composition marine sediments caused by intense cultures.For this purpose 17 sedimentary samples have been collected inside outside two farms south bay region Florianópolis.Values atomic C/N ratio varied between 4.5...
The chlorophyll-a concentration (Chl a ) of surface waters is commonly retrieved from space using an empirical polynomial function the maximum band ratio (MBR), i.e., remote sensing reflectance in selected spectral bands in visible. Recent studies have revealed significant deviations relation between MBR and Chl across oceans. present work aims at accessing main sources MBR variability Southern Atlantic and South-east Pacific, situ data. data was collected 19 bio-optical CTD stations 40...
Time series of satellite-derived sea surface chlorophyll concentration (SSC) from 2002 to 2012 were used investigate the phenology phytoplankton bloom in Sergipe-Alagoas Basin, located Northeast Brazil, Western Tropical Atlantic. The seasonal cycle is dominant mode temporal variability. use a Gaussian function fit variability SSC allowed characterization timing and magnitude annual slope continental shelf areas. Modeled showed few differences relation mean MODIS-derived curves. maximum error...
Santa Catarina is the greatest oyster and mussel producer in Brazil. The main cultivated species are exotic Crassostrea gigas, native rhizophorae Perna perna. Most of production concentrated capital city Florianopolis. This work aimed to assess possible alterations organic chemical composition marine sediments caused by intense cultures. For this purpose 17 sedimentary samples have been collected inside outside two farms south bay region Values atomic C/N ratio varied between 4.5 6.3,...