Rita de Cássia Marquês Alves
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View article: Communication in Disaster—The Contribution of the Press to Highlighting Vulnerabilities: The Case of Rio Grande Do Sul State, Brazil
Communication in Disaster—The Contribution of the Press to Highlighting Vulnerabilities: The Case of Rio Grande Do Sul State, Brazil Open
In this article, we explore the role of the media in highlighting an important yet often underestimated aspect of disasters: vulnerability. We use coverage of a disaster that occurred in Brazil’s southernmost state to demonstrate that the …
View article: Brugada Syndrome: Anesthetic Implications in an Incidentally Diagnosed Patient
Brugada Syndrome: Anesthetic Implications in an Incidentally Diagnosed Patient Open
Brugada syndrome (BS) is characterized by abnormal repolarization in cardiac cells, occurring in the absence of structural heart disease, which elevates the risk of ventricular arrhythmias and sudden cardiac death. While most BS patients a…
View article: Explosive cyclones occurred between 2010 and 2020 in the South Atlantic under the perspective of two detection schemes
Explosive cyclones occurred between 2010 and 2020 in the South Atlantic under the perspective of two detection schemes Open
Under two detection schemes, this study analyzes one of the most destructive weather systems - the explosive cyclones - in the South Atlantic, from 2010 to 2020. Then, two methods are presented to study these systems: the Observational Met…
View article: Analysis of the Most Intense Explosive Cyclone that Occurred Between 2010 and 2020 in the South Atlantic
Analysis of the Most Intense Explosive Cyclone that Occurred Between 2010 and 2020 in the South Atlantic Open
The coastal region of South America is known for the high frequency of extratropical cyclones. From 2010 to 2020, there was an exceptional case regarding intensity, reaching 2.73 Bergeron, between January 02 and 03, 2019. To better underst…
View article: Salt marsh-atmosphere CO2 exchanges in Patos Lagoon Estuary, Southern Brazil
Salt marsh-atmosphere CO2 exchanges in Patos Lagoon Estuary, Southern Brazil Open
Blue carbon ecosystems are recognized as carbon sinks and therefore for their potential for climate mitigation. While carbon stocks and burial rates have been quantified and estimated regionally and globally, there are still many knowledge…
View article: Assessing the Tropical South Atlantic atmosphere thermodynamics under distinct Sea Surface Temperature patterns
Assessing the Tropical South Atlantic atmosphere thermodynamics under distinct Sea Surface Temperature patterns Open
Northeast Brazil (NEB) is a susceptible region to the occurrence of extreme rainfall events. Sea surface temperature (SST) is used as an indicator for predicting intense weather events in this region. The westernmost Tropical South Atlanti…
View article: Weather Reasearch and Forecasting Model Simulation of a Snowfall Event in Southern Brazil
Weather Reasearch and Forecasting Model Simulation of a Snowfall Event in Southern Brazil Open
This study evaluates the ability of the Weather Research and Forecasting (WRF) Model to simulate a snowfall event in the southern Brazil. The event in August 2013 was considered one of the most intense in recent years in the region with th…
View article: Classification of homogeneous regions of vegetation cover in the State of Rio Grande do Sul, Brazil and its temporal dynamics, using AVHRR GIMMS and MODIS data sets
Classification of homogeneous regions of vegetation cover in the State of Rio Grande do Sul, Brazil and its temporal dynamics, using AVHRR GIMMS and MODIS data sets Open
This study aimed to classify the homogeneous regions of vegetation cover, which occur in Rio Grande do Sul, formed by clustering of pixels with same pattern of temporal variability of the Normalized Difference Vegetation Index (NDVI) of AV…
View article: Comparing explosive cyclogenesis cases of different intensities occurred in Southern Atlantic
Comparing explosive cyclogenesis cases of different intensities occurred in Southern Atlantic Open
Six events of explosive cyclogenesis occurred in the south Atlantic were compared using reanalysis data and satellite water vapor imagery. Cases of different intensities (weak, moderate and strong) occurred during 2014 summer season and 20…
View article: Using the WRF Model to Refine NCEP CFSv2 Reanalysis Atmospheric Profile: A Southern Brazil Test Case
Using the WRF Model to Refine NCEP CFSv2 Reanalysis Atmospheric Profile: A Southern Brazil Test Case Open
The vertical distribution of atmospheric parameters is pivotal to understand atmospheric dynamic processes. This study analyzes the use of the Weather Research and Forecasting (WRF) model to generate atmospheric profiles as an alternative …
View article: Seasonal variation of vitamin D among healthy adult men in a subtropical region
Seasonal variation of vitamin D among healthy adult men in a subtropical region Open
SUMMARY OBJECTIVE: To evaluate seasonal variation of 25(OH)vitamin D [25(OH)D3] levels, and factors associated with it, in healthy adult men, who exercised outdoors for 50 min., at least twice a week, from 10AM to 4PM, in a Brazilian semit…
View article: Estudo de impacto da assimilação dos dados da campanha Valeri no estado de Santa Catarina
Estudo de impacto da assimilação dos dados da campanha Valeri no estado de Santa Catarina Open
The state of Santa Catarina is often hit by extreme events such as heavy rain, windstorms, hail and eventually tornadoes. Thus, the goal of the present study was to verify how the inclusion of a larger number of observations could improve …
View article: Bell pepper production under saline stress and fertigation with different K+/Ca2+ ratios in a protected environment
Bell pepper production under saline stress and fertigation with different K+/Ca2+ ratios in a protected environment Open
Bell peppers are sensitive to salinity; therefore, it is necessary to find alternatives to reduce saline stress. An experiment was conducted in a greenhouse at Federal Rural University of the Semi-Arid Region, in Mossoró, Rio Grande do Nor…
View article: Evaluation of MOD16 Algorithm over Irrigated Rice Paddy Using Flux Tower Measurements in Southern Brazil
Evaluation of MOD16 Algorithm over Irrigated Rice Paddy Using Flux Tower Measurements in Southern Brazil Open
Evapotranspiration (ET) is an important component of the hydrological cycle. Understanding the ET process has become of fundamental importance given the scenario of global change and increasing water use, especially in the agricultural sec…
View article: Generation of IDF Curves for Projected Scenarios in the City of Porto Alegre/RS
Generation of IDF Curves for Projected Scenarios in the City of Porto Alegre/RS Open
The increase in the frequency of extreme events associated with climate change can modify the existing IDF curves. The methodology for defining IDF curves considering future scenarios was to calibrate the stochastic model to generate daily…
View article: Complementarity Roses Evaluating Spatial Complementarity in Time between Energy Resources
Complementarity Roses Evaluating Spatial Complementarity in Time between Energy Resources Open
Hybrid energy systems have higher initial costs than systems that are based on only one renewable resource, but allow for the fulfillment of the demands of consumer loads with lower values for the cost of energy. The possible complementari…
View article: VALIDAÇÃO DO PRODUTO DE EVAPOTRANSPIRAÇÃO MOD16 PARA UMA CULTURA DE ARROZ IRRIGADO EM CACHOEIRA DO SUL - RS
VALIDAÇÃO DO PRODUTO DE EVAPOTRANSPIRAÇÃO MOD16 PARA UMA CULTURA DE ARROZ IRRIGADO EM CACHOEIRA DO SUL - RS Open
The process of evapotranspiration (ET) is the second major component of the hydrological cycle, being connected directly with the amount of water vapor in the atmosphere. Determine the ET for large areas of irrigated rice is a limiting fac…
View article: Analysis of an explosive cyclogenesis case occurred in 03/01/2014 on the south of the Atlantic Ocean
Analysis of an explosive cyclogenesis case occurred in 03/01/2014 on the south of the Atlantic Ocean Open
A região sul do Brasil está próxima de uma das regiões identificadas como ciclogenéticas com alta freqüência de ciclones extratropicais. Há um tipo de ciclone extratropical que é caracterizado por um aprofundamento muito rápido no campo de…