Search Results - "Regina Célia dos Santos Alvalá"

Evaluation of soil moisture from satellite observations over South America by Rossato, Luciana, De Jeu, Richard, Alvalá, Regina Célia Dos Santos, Souza, Solange

“…A study was performed to evaluate the surface soil moisture derived from Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E) sensor…”
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Disaster risk areas in Brazil: outcomes from an intra-urban scale analysis by Saito, Silvia Midori, Assis Dias, Mariane Carvalho de, Ribeiro, Daniela Ferreira, Alvalá, Regina Célia dos Santos, Souza, Daiane Batista de, Santana, Rodrigo Amorim Souza de Moraes, Souza, Pilar Amadeu de, Ribeiro, Júlia Vicente Martins, Stenner, Claudio

“…Purpose This paper aims to shed some light on the distribution of population, living in disaster risk areas in Brazil, on the intra-urban scale. The following…”
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The challenges of Consolidation of a Drought-Related Disaster Risk Warning System to Brazil by Cunha, Ana Paula Martins do Amaral, Marchezini, Victor, Lindoso, Diego Pereira, Saito, Silvia Midori, Alvalá, Regina Célia dos Santos

“…In Brazil, droughts are widespread and recurrent in the semiarid region, mainly due to its water vulnerability. Approximately 28 million people live in the…”
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Natural hazards fatalities in Brazil, 1979–2019 by de Azevedo Couto, Gabriela, Sanchez, Alber, dos Santos Alvalá, Regina Célia, Nobre, Carlos Afonso

“…The impact of natural hazards on nations and societies is a global challenge and concern. Worldwide, studies have been conducted within and between countries,…”
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Community disaster resilience in Brazilian small urban centers by Ribeiro, Daniela Ferreira, Saito, Silvia Midori, Alvalá, Regina Célia dos Santos

“…Brazilian small urban centers are facing several disasters impacts due to their singular environmental, economic, and social characteristics. A comprehensive…”
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Disaster vulnerability analysis of small towns in Brazil by Ribeiro, Daniela Ferreira, Saito, Silvia Midori, Célia dos Santos Alvalá, Regina

“…Most of the global urban population lives in cities with less than one million people, whereas in Brazil, more than 45% of the population is estimated to live…”
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Early flood warning in the Itajaí-Açu River basin using numerical weather forecasting and hydrological modeling by Casagrande, Leandro, Tomasella, Javier, dos Santos Alvalá, Regina Célia, Bottino, Marcus Jorge, de Oliveira Caram, Rochane

“…In recent decades, population growth associated with unplanned urban occupation has increased the vulnerability of the Brazilian population to natural…”
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Inundation mapping using hydraulic modeling with high-resolution remote sensed data: a case study in the Acre River Basin, Brazil by Antunes da Silva, Larissa, Rudorff, Conrado, Ovando, Alex, Pimentel, Alan, Cuartas, Luz Adriana, dos Santos Alvalá, Regina Célia

“…Considering the impacts of climate change in recent decades that have exacerbated the frequency and intensity of floods worldwide and especially in the Amazon…”
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Analysis of the hydrological disaster occurred in the state of Rio Grande do Sul, Brazil in September 2023: Vulnerabilities and risk management capabilities by Célia dos Santos Alvalá, Regina, Ribeiro, Daniela Ferreira, Marengo, Jose Antonio, Seluchi, Marcelo Enrique, Gonçalves, Demerval Aparecido, Antunes da Silva, Larissa, Cuartas Pineda, Luz Adriana, Saito, Silvia Midori

“…Understanding disaster risk in all its dimensions is a priority on global agendas. This study developed an integrated analysis of flood risk drivers using a…”
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Estimation of exposed population to landslides and floods risk areas in Brazil, on an intra-urban scale by Assis Dias, Mariane Carvalho de, Saito, Silvia Midori, Alvalá, Regina Célia dos Santos, Stenner, Cláudio, Pinho, Gustavo, Nobre, Carlos Afonso, Fonseca, Maria Rita de Souza, Santos, Camilla, Amadeu, Pilar, Silva, Dennis, Lima, Cibele Oliveira, Ribeiro, Julia, Nascimento, Frederico, Corrêa, Clarissa de Oliveira

“…The knowledge on population demographics and the living conditions in risk areas are crucial for risk management and disaster response. In Brazil, this…”
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População urbana exposta aos riscos de deslizamentos, inundações e enxurradas no Brasil by Saito, Silvia Midori, Dias, Mariane Carvalho de Assis, Alvalá, Regina Célia dos Santos, Stenner, Claudio, Franco, Cayo, Ribeiro, Julia Vicente Martins, Souza, Pilar Amadeu de, Santana, Rodrigo Amorim Souza de Moraes

“…O conhecimento sobre a população urbana expostos ao risco de desastres é imprescindível para o planejamento de ações de prevenção e resposta. O objetivo do…”
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Land use and land cover map of a semiarid region of Brazil for meteorological and climatic models by Vieira, Rita Marcia da Silva Pinto, Cunha, Ana Paula Martins do Amaral, Alvalá, Regina Célia dos Santos, Carvalho, Vitor Celso, Ferraz Neto, Sebastião, Sestini, Marcelo Francisco

“…An updated vegetation cover and land use map over a semiarid region of Brazil has been produced at a 1 km spatial resolution, using satellite data and remote…”
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Análise das interações entre dados climáticos e o processo de desertificação no núcleo de desertificação de Cabrobó-PE, Brasil by Vieira, Rita Marcia da Silva Pinto, Cunha, Ana Paula Martins do Amaral, Barbosa, Alexandre Augusto, Ribeiro Neto, Germano Gondim, Tomasella, Javier, Alvalá, Regina Célia dos Santos, Santos, Fabrícia Cristina, Santana, Marcos de Oliveira

“…No presente estudo avaliou-se a dinâmica das mudanças de usos e cobertura da terra no núcleo de desertificação de Cabrobó-PE, a partir de abordagem que inclui…”
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Urbanization effects on the microclimate of Manaus: A modeling study by Souza, Diego Oliveira de, Alvalá, Regina Célia dos Santos, Nascimento, Marília Guedes do

“…Activities associated with land use and land cover changes and urbanization induce local impacts, such as changes in atmospheric composition in water and…”
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Impactos das mudanças de cobertura vegetal nos processos de superfície na região semiárida do Brasil by Ana Paula Martins do Amaral Cunha, Regina Célia dos Santos Alvalá, Gilvan Sampaio de Oliveira

“…A cobertura vegetal da superfície continental tem sido consideravelmente alterada pelas atividades humanas, principalmente através da conversão em grande…”
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Mapping characteristics of at-risk population to disasters in the context of Brazilian early warning system by dos Santos Alvalá, Regina Célia, de Assis Dias, Mariane Carvalho, Saito, Silvia Midori, Stenner, Cláudio, Franco, Cayo, Amadeu, Pilar, Ribeiro, Julia, Souza de Moraes Santana, Rodrigo Amorim, Nobre, Carlos Afonso

“…Due to the increasing rise of climate-related disasters in the world, knowledge of risk, monitoring and early warning, dissemination and communication, and…”
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AVALIAÇÃO DE INDICADOR PARA O MONITORAMENTO DOS IMPACTOS DA SECA EM ÁREAS DE PASTAGENS NO SEMIÁRIDO DO BRASIL by Cunha, Ana Paula M do Amaral, Brito, Sheila Santana de Barros, Rossato, Luciana, Alvalá, Regina Célia dos Santos, Cunningham, Christopher, Zeri, Marcelo, Maciel, Aliana Paula dos Reis, Andrade, Eliana Soares, Vieira, Rita Marcia da Silva Pinto, Carvalho, Magog A

“…A seca é considerada o desastre natural que pode causar as maiores perdas econômicas e sociais, com o maior número de pessoas afetadas diretamente dentre todos…”
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Changes in Vegetation Cover in Reforested Areas in the State of São Paulo, Brazil and the Implication for Landslide Processes by Canavesi, Vanessa, Alvalá, Regina Célia dos Santos

“…In Brazil, plantations of exotic species such as Eucalyptus have expanded substantially in recent years, due in large part to the great demand for cellulose…”
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Drought monitoring in the Brazilian Semiarid region by Alvalá, Regina C S, Cunha, Ana Paula M A, Brito, Sheila S B, Seluchi, Marcelo E, Marengo, José A, Moraes, Osvaldo L L, Carvalho, Magog A

“…Drought is a natural and recurrent phenomenon. It is considered 'a natural disaster' whenever it occurs in an intensive manner in highly populated regions,…”
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Use of SMOS L3 Soil Moisture Data: Validation and Drought Assessment for Pernambuco State, Northeast Brazil by Souza, Alzira, Neto, Alfredo, Rossato, Luciana, Alvalá, Regina, Souza, Laio

“…The goal of this study was to validate soil moisture data from Soil Moisture Ocean Salinity (SMOS) using two in situ databases for Pernambuco State, located in…”
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