Uncovering episodic influence of oceans on extreme drought events in Northeast Brazil by ordinal partition network approaches.
Since 2012, the semiarid region of Northeast Brazil (NEB) has been experiencing a continuous dry condition imposing significant social impacts and economic losses. Characterizing the recent extreme drought events and uncovering the influence from the surrounding oceans remain to be big challenges. T...
por Portal Padrão
publicado
14/05/2020
2:12 PM
Análise sociomaterial de uso de TI em coprodução de serviço público: o caso do simulador de direção veicular.
Ferramentas de tecnologia da informação (TI) têm sido apropriadas por governos em diferentes caminhos, por exemplo, para melhorar seus processos internos e efetuar atendimentos ao cidadão via web, todavia novas ferramentas de TI também têm sido utilizadas em coprodução de serviços públicos...
por Portal Padrão
publicado
14/05/2020
2:05 PM
Observational analysis of the daily cycle of the planetary boundary layer in the central Amazon during a non-El Niño year and El Niño year (GoAmazon project 2014/5)
The Amazon biome contains more than half of the remaining tropical forests of the planet and has a strong impact on aspects of meteorology such as the planetary boundary layer (PBL). In this context, the objective of this study was to conduct observational evaluations of the daily cycle of the heigh...
por Portal Padrão
publicado
05/05/2020
1:39 PM
Comparing solar data from NWP models for Brazilian territory
Brazil is experiencing continuous growth in the solar energy market over the last years, and it is expected that solar power plants will have a significant contribution to the Brazilian energy matrix soon. The solar irradiance variability is an important issue due to its impact on electricity distri...
por Portal Padrão
publicado
05/05/2020
12:18 PM
Mapeamento da Vegetação da Caatinga a partir de Dados Ópticos de Observação da Terra – Oportunidades e Desafios
O bioma Caatinga representa cerca de 10% do território nacional e tem uma população estimada em 28 milhões de habitantes. Sua vegetação arbóreo-arbustiva, adaptada às condições de semiaridez, exerce um papel fundamental na manutenção do balanço hidrológico, na alimentação da matriz e...
por Portal Padrão
publicado
25/04/2020
8:35 AM
Urban expansion and its impact on water security: The case of the Paraíba do Sul River Basin, São Paulo, Brazil.
Increasing demand for water is one of the most challenging problems that human societies face today and has encouraged new studies to examine water security and water management. Seeking to discuss this important issue in the Brazilian context, we analyzed the impacts of urban expansion on water sec...
por Portal Padrão
publicado
17/04/2020
12:00 PM
Mapping data gaps to estimate biomass across Brazilian Amazon forests.
Background: Tropical forests play a fundamental role in the provision of diverse ecosystem services, such as biodiversity, climate and air quality regulation, freshwater provision, carbon cycling, agricultural support and culture. To understand the role of forests in the carbon balance, aboveground ...
por Portal Padrão
publicado
14/04/2020
2:09 PM
Can transnational corporations leverage systemic change towards a ‘sustainable’ future?.
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por Portal Padrão
publicado
14/04/2020
2:07 PM
Success, innovation and challenge: school safety and disaster education in South America and the Caribbean.
Authors discuss school safety and disaster education in Brazil, Colombia, Cuba, the Dominican Republic, Jamaica and Puerto Rico. Case studies explore work to increase understanding of natural hazards and disaster preparedness. Puerto Rico offers innovative examples of reflection on memories of Hurri...
por Portal Padrão
publicado
14/04/2020
1:59 PM
“What is a sociologist doing here?” an unconventional people-centered approach to improve warning implementation in the sendai framework for disaster risk reduction.
The Sendai Framework for Disaster Risk Reduction 2015-2030 recommends several actions for early warning systems (EWSs). However, there is a lack of information about their means of implementation. This article used institutional ethnography to analyze the 2012-2018 implementation of a national warni...
por Portal Padrão
publicado
14/04/2020
1:57 PM
Feedback between drought and deforestation in the Amazon.
Deforestation and drought are among the greatest environmental pressures on the Amazon rainforest, possibly destabilizing the forest-climate system. Deforestation in the Amazon reduces rainfall regionally, while this deforestation itself has been reported to be facilitated by droughts. Here we quant...
por Portal Padrão
publicado
13/04/2020
2:34 PM
Comparison of cloud cover detection algorithms on sentinel-2 images of the Amazon tropical forest.
Tropical forests regulate the global water and carbon cycles and also host most of the worlds biodiversity. Despite their importance, they are hard to survey due to their location, extent, and particularly, their cloud coverage. Clouds hinder the spatial and radiometric correction of satellite image...
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