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Master's Dissertation
DOI
https://doi.org/10.11606/D.14.2021.tde-27072022-150023
Document
Author
Full name
Maria Del Carmen Sanz Lopez
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2021
Supervisor
Committee
Pereira Filho, Augusto Jose (President)
Calvetti, Leonardo
Reis, Fábio Augusto Gomes Vieira
Title in Portuguese
Hidrometeorologia da erosão antrópica na Região Metropolitana de São Paulo
Keywords in Portuguese
CMORPH
Erosão antrópica
Hidrometeorologia
Abstract in Portuguese
A população urbana tem crescido de forma acelerada em todo o mundo e, na região Metropolitana de São Paulo (RMSP). Isso tem provocado consequências danosas ao meio ambiente e às próprias pessoas que vivem nas cidades. Os processos erosivos tem grande participação na degradação do meio ambiente. A chuva é o principal agente erosivo na RMSP. Este estudo caracterizou os eventos de erosão provocados pela precipitação, através da estimativa de precipitação acumulada diária do Climate Prediction Center Morphing Method (CMORPH) e pela integração a rede telemétrica de superfície pelo método de Análise Objetiva Estatística (ANOBES). No banco de dados da Defesa Civil foram separados 400 eventos na área da RMSP, entre 2000 e 2013, e destes escolheu-se 7 para realizar análise climatológica, quantitativa e meteorológica. Em uma observação inicial verificou-se que 58 % dos eventos de erosão ocorrerão no verão, e devido a este fato dos eventos selecionados 4 são em janeiro, 2 em fevereiro e 1 em dezembro. Se destacam dois núcleos mais ativos o da Serra do Mar e o da Serra da Cantareira onde os municípios de São Bernardo do Campo e Caieiras foram os que mais sofreram. As precipitações foram estimadas em intervalos de 30 minutos, 1 dia, 1 mês e 1 ano. Os resultados indicam uma precipitação acumulada em 30 minutos entre 3,5 mm e 19,8 mm, uma precipitação acumulada diária entre 10,1 mm e 69,5 mm e no intervalo de 1 mês de 184,4 mm e 742,5 mm. As análises meteorológicas dos eventos a partir das imagens do radar meteorológico de São Paulo (RSP) e do satélite Meteosat-9, indicam que os sistemas precipitantes estavam associados a frentes frias (FF), linhas de instabilidade (LI), e convecção isolada (CI).
Title in English
Hydrometeorology of anthropic erosion in the Metropolitan Region in the state of São Paulo
Keywords in English
Anthropogenic Erosion
CMORPH
Hydrometeorology
Abstract in English
The urban population has been growing rapidly all over the world and in the Metropolitan Region of São Paulo (RMSP). This has had harmful consequences for the environment and for the people who live in cities. Erosive processes play a major role in environmental degradation. Rain is the main erosive agent in the RMSP. This study characterized erosion events caused by precipitation, by estimating accumulated daily precipitation by the Climate Prediction Center Morphing Method (CMORPH) and by integrating the surface telemetric network using the Statistical Objective Analysis method (ANOBES). In the Civil Defense database, 400 events were separated in the RMSP area, between 2000 and 2013, and from these, 7 were chosen to carry out climatological, quantitative and meteorological analysis. In an initial observation it was found that 58% of erosion events will occur in summer, and due to this fact, the selected 4 events are in January, 2 in February and 1 in December. Two more active nuclei stand out: Serra do Mar and Serra da Cantareira, where the municipalities of São Bernardo do Campo and Caieiras suffered the most. Rainfall was estimated at intervals of 30 minutes, 1 day, 1 month and 1 year. The results indicate an accumulated precipitation in 30 minutes between 3.5 mm and 19.8 mm, a daily accumulated precipitation between 10.1 mm and 69.5 mm and in the interval of 1 month of 184.4 mm and 742.5 mm. The meteorological analyzes of the events from the images of the São Paulo meteorological radar (RSP) and the Meteosat-9 satellite indicate that the precipitation systems were associated with cold fronts (FF), instability lines (LI), and isolated convection (CI).
 
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Publishing Date
2023-09-18
 
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