Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo

Abstract Natural events associated to environmental disasters has increased with climate changes. Understanding the watershed behavior allows the managers to execute an efficient land use planning. By using as a study area the municipality of São Luiz do Paraitinga, the study’s goal was apply the He...

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Main Authors: Ewerton Danilo Souza Santos, Helena Saraiva Koenow Pinheiro, Humberto Gallo Junior
Format: Article
Language:English
Published: Universidade Federal Rural do Rio de Janeiro 2021-01-01
Series:Floresta e Ambiente
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872021000200307&tlng=en
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author Ewerton Danilo Souza Santos
Helena Saraiva Koenow Pinheiro
Humberto Gallo Junior
author_facet Ewerton Danilo Souza Santos
Helena Saraiva Koenow Pinheiro
Humberto Gallo Junior
author_sort Ewerton Danilo Souza Santos
collection DOAJ
description Abstract Natural events associated to environmental disasters has increased with climate changes. Understanding the watershed behavior allows the managers to execute an efficient land use planning. By using as a study area the municipality of São Luiz do Paraitinga, the study’s goal was apply the Height Above the Nearest Drainage Model, which allows categorizing areas based on simulations of water level variations, to evaluate flooding risks at the municipality. The data were processed using ArcGIS Desktop v. 10.3, System for Automated Geoscientific Analysis and TerraHidro. The flood susceptibility map was generated with spatial resolution of 30 m. It was simulated water level variations of 7, 9, 12 and 15 meters and, according to the model, areas with high or very high flood susceptibility cover approximately 13% of the study area (81 km2). In general, the methods used afforded coherent results given the resolution of source data and available information.
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spelling doaj.art-4b39f88c633a408bb9fc2eb8ce7771102022-12-22T04:15:55ZengUniversidade Federal Rural do Rio de JaneiroFloresta e Ambiente2179-80872021-01-0128210.1590/2179-8087-floram-2020-0070Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São PauloEwerton Danilo Souza Santoshttps://orcid.org/0000-0003-1953-5972Helena Saraiva Koenow PinheiroHumberto Gallo Juniorhttps://orcid.org/0000-0003-0097-1336Abstract Natural events associated to environmental disasters has increased with climate changes. Understanding the watershed behavior allows the managers to execute an efficient land use planning. By using as a study area the municipality of São Luiz do Paraitinga, the study’s goal was apply the Height Above the Nearest Drainage Model, which allows categorizing areas based on simulations of water level variations, to evaluate flooding risks at the municipality. The data were processed using ArcGIS Desktop v. 10.3, System for Automated Geoscientific Analysis and TerraHidro. The flood susceptibility map was generated with spatial resolution of 30 m. It was simulated water level variations of 7, 9, 12 and 15 meters and, according to the model, areas with high or very high flood susceptibility cover approximately 13% of the study area (81 km2). In general, the methods used afforded coherent results given the resolution of source data and available information.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872021000200307&tlng=enClimate changesland useflooding risksHAND model
spellingShingle Ewerton Danilo Souza Santos
Helena Saraiva Koenow Pinheiro
Humberto Gallo Junior
Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
Floresta e Ambiente
Climate changes
land use
flooding risks
HAND model
title Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
title_full Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
title_fullStr Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
title_full_unstemmed Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
title_short Height Above the Nearest Drainage to Predict Flooding Areas in São Luiz do Paraitinga, São Paulo
title_sort height above the nearest drainage to predict flooding areas in sao luiz do paraitinga sao paulo
topic Climate changes
land use
flooding risks
HAND model
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872021000200307&tlng=en
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