Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems

Over the past two decades, orbital passive microwave systems have proven to be sensitive to flood condition in large floodplains. This sensitivity is rooted in the well differentiated emission properties of calm water with respect to non-flooded land of any kind. In this paper, AMSR-E observations o...

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Autores principales: Salvia, M., Grings, F., Perna, P., Ferrazzoli, P., Rahmoune, R., Barber, M., Douna, V., Karszenbaum, H.
Formato: CONF
Materias:
Active microwave
Hydrology
Passive microwave
Wetlands
Brightness temperatures
Emission model
Emission properties
Envisat ASAR data
Flood-plains
Flooded areas
Improved algorithm
Long lasting
Passive microwaves
Subbasins
Wetland area
Geology
Remote sensing
Water
Microwaves
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_97814244_v_n_p142_Salvia
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_97814244_v_n_p142_Salvia
record_format dspace
spelling todo:paper_97814244_v_n_p142_Salvia2023-10-03T16:43:08Z Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems Salvia, M. Grings, F. Perna, P. Ferrazzoli, P. Rahmoune, R. Barber, M. Douna, V. Karszenbaum, H. Active microwave Hydrology Passive microwave Wetlands Active microwave Brightness temperatures Emission model Emission properties Envisat ASAR data Flood-plains Flooded areas Improved algorithm Long lasting Passive microwaves Subbasins Wetland area Geology Hydrology Remote sensing Water Wetlands Microwaves Over the past two decades, orbital passive microwave systems have proven to be sensitive to flood condition in large floodplains. This sensitivity is rooted in the well differentiated emission properties of calm water with respect to non-flooded land of any kind. In this paper, AMSR-E observations of an herbaceous wetland area on the Paraná River sub-basin were analyzed during the 2009-10 timeframe when this region was affected by a strong and long lasting flooding. Evident effects on the difference between vertically and horizontally polarized brightness temperatures (ΔT) were observed at C-band. The fraction of vegetated flooded area was estimated by applying an improved algorithm which uses ENVISAT ASAR data at specific dates to calibrate AMSR-E temporal series. Also, using a theoretical emission model, the behavior of ΔT flooded is discussed. © 2010 IEEE. CONF info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_97814244_v_n_p142_Salvia
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Active microwave
Hydrology
Passive microwave
Wetlands
Active microwave
Brightness temperatures
Emission model
Emission properties
Envisat ASAR data
Flood-plains
Flooded areas
Improved algorithm
Long lasting
Passive microwaves
Subbasins
Wetland area
Geology
Hydrology
Remote sensing
Water
Wetlands
Microwaves
spellingShingle Active microwave
Hydrology
Passive microwave
Wetlands
Active microwave
Brightness temperatures
Emission model
Emission properties
Envisat ASAR data
Flood-plains
Flooded areas
Improved algorithm
Long lasting
Passive microwaves
Subbasins
Wetland area
Geology
Hydrology
Remote sensing
Water
Wetlands
Microwaves
Salvia, M.
Grings, F.
Perna, P.
Ferrazzoli, P.
Rahmoune, R.
Barber, M.
Douna, V.
Karszenbaum, H.
Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
topic_facet Active microwave
Hydrology
Passive microwave
Wetlands
Active microwave
Brightness temperatures
Emission model
Emission properties
Envisat ASAR data
Flood-plains
Flooded areas
Improved algorithm
Long lasting
Passive microwaves
Subbasins
Wetland area
Geology
Hydrology
Remote sensing
Water
Wetlands
Microwaves
description Over the past two decades, orbital passive microwave systems have proven to be sensitive to flood condition in large floodplains. This sensitivity is rooted in the well differentiated emission properties of calm water with respect to non-flooded land of any kind. In this paper, AMSR-E observations of an herbaceous wetland area on the Paraná River sub-basin were analyzed during the 2009-10 timeframe when this region was affected by a strong and long lasting flooding. Evident effects on the difference between vertically and horizontally polarized brightness temperatures (ΔT) were observed at C-band. The fraction of vegetated flooded area was estimated by applying an improved algorithm which uses ENVISAT ASAR data at specific dates to calibrate AMSR-E temporal series. Also, using a theoretical emission model, the behavior of ΔT flooded is discussed. © 2010 IEEE.
format CONF
author Salvia, M.
Grings, F.
Perna, P.
Ferrazzoli, P.
Rahmoune, R.
Barber, M.
Douna, V.
Karszenbaum, H.
author_facet Salvia, M.
Grings, F.
Perna, P.
Ferrazzoli, P.
Rahmoune, R.
Barber, M.
Douna, V.
Karszenbaum, H.
author_sort Salvia, M.
title Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
title_short Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
title_full Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
title_fullStr Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
title_full_unstemmed Monitoring flooded area fraction in floodplains of PARANÁ basin using passive and active microwave systems
title_sort monitoring flooded area fraction in floodplains of paraná basin using passive and active microwave systems
url http://hdl.handle.net/20.500.12110/paper_97814244_v_n_p142_Salvia
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