User profiles for Carlos Ruberto Fragoso
Carlos Ruberto Fragoso JrProfessor of Center for Technology, Federal University of Alagoas Verified email at ctec.ufal.br Cited by 1583 |
Challenges and opportunities for integrating lake ecosystem modelling approaches
…, AS Downing, JA Elliott, CR Fragoso… - Aquatic Ecology, 2010 - Springer
A large number and wide variety of lake ecosystem models have been developed and published
during the past four decades. We identify two challenges for making further progress in …
during the past four decades. We identify two challenges for making further progress in …
Atmospheric and sunglint correction for retrieving chlorophyll-a in a productive tropical estuarine-lagoon system using Sentinel-2 MSI imagery
Remote monitoring of chlorophyll-a (chla) has been widely used to evaluate the trophic
state of inland and coastal waters, however, there is still much uncertainty in the algorithms …
state of inland and coastal waters, however, there is still much uncertainty in the algorithms …
Coupling large-scale hydrological and hydrodynamic modeling: Toward a better comprehension of watershed-shallow lake processes
…, FM Fan, D da Motta-Marques, CR Fragoso Jr - Journal of …, 2018 - Elsevier
Abstract Changes in hydrological processes in large watersheds may heavily impact the
dynamics of downstream aquatic ecosystems such as lakes and reservoirs. In general, simple …
dynamics of downstream aquatic ecosystems such as lakes and reservoirs. In general, simple …
Assessment of chlorophyll-a remote sensing algorithms in a productive tropical estuarine-lagoon system
…, D Motta Marques, JA Cirilo, CR Fragoso Jr - Remote Sensing, 2017 - mdpi.com
Remote estimation of chlorophyll-a in turbid and productive estuaries is difficult due to the
optical complexity of Case 2 waters. Although recent advances have been obtained with the …
optical complexity of Case 2 waters. Although recent advances have been obtained with the …
[HTML][HTML] The structuring role of submerged macrophytes in a large subtropical shallow lake: clear effects on water chemistry and phytoplankton structure community …
…, DMLM Marques, L Cardoso, CR Fragoso Jr… - Limnologica, 2018 - Elsevier
It is well known that submerged macrophytes exert positive feedback effects that enhance the
water transparency, stabilizing the clear-water state in shallow temperate lakes. However, …
water transparency, stabilizing the clear-water state in shallow temperate lakes. However, …
Comparison of methods to estimate lake-surface-water temperature using Landsat 7 ETM+ and MODIS imagery: Case study of a large shallow subtropical lake in …
…, AL Ruhoff, JR Cavalcanti, CR Fragoso Jr… - Water, 2019 - mdpi.com
Water temperature regulates many processes in lakes; therefore, evaluating it is essential to
understand its ecological status and functioning, and to comprehend the impact of climate …
understand its ecological status and functioning, and to comprehend the impact of climate …
Analysis of environmental and atmospheric influences in the use of SAR and optical imagery from Sentinel-1, Landsat-8, and Sentinel-2 in the operational monitoring …
In this work, we aim to evaluate the feasibility and operational limitations of using Sentinel-1
synthetic aperture radar (SAR) data to monitor water levels in the Poço da Cruz reservoir …
synthetic aperture radar (SAR) data to monitor water levels in the Poço da Cruz reservoir …
Tidal exchange in a choked coastal lagoon: A study of Mundaú Lagoon in northeastern Brazil
Abstract Changes in the inlet morphology of choked coastal lagoons often restrict the water
exchange with the sea, making them vulnerable to pollution events and eutrophication …
exchange with the sea, making them vulnerable to pollution events and eutrophication …
Derivation of consistent, continuous daily river temperature data series by combining remote sensing and water temperature models
…, D Motta-Marques, AL Ruhoff, CR Fragoso Jr… - Remote Sensing of …, 2020 - Elsevier
Scarcity of water temperature data in rivers may limit a diversity of studies considering this
property, which regulates many physical, chemical, and biological processes. We present a …
property, which regulates many physical, chemical, and biological processes. We present a …
Uncertainties involved in the use of thresholds for the detection of water bodies in multitemporal analysis from landsat-8 and sentinel-2 images
LGM Reis, WO Souza, A Ribeiro Neto, CR Fragoso Jr… - Sensors, 2021 - mdpi.com
Although the single threshold is still considered a suitable and easy-to-do technique to extract
water features in spatiotemporal analysis, it leads to unavoidable errors. This paper uses …
water features in spatiotemporal analysis, it leads to unavoidable errors. This paper uses …