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Observation of a lightning flashover with a high-speed video camera.
In this paper we analyze images of a lightning flashover induced by a downward negative lightning flash that struck a transmission line located in São Paulo, Brazil. The lightning flash and the flashover were recorded by a high-speed camera running at 10,000 images per second. The approach of the n...- por Portal Padrão
- publicado
- 10/05/2018
- 11:50 AM
Testing environmental models supported by machine learning.
In this paper we present a new methodology, DaOBML, to test environmental models whose outputs are complex artifacts such as images (maps) or plots. Our approach suggests several test data generation techniques (Combinatorial Interaction Testing, ModelBased Testing, Random Testing) and digital image...- por Portal Padrão
- publicado
- 10/05/2018
- 11:49 AM
Sustainable development and socioeconomic inclusion in areas of water source protection.
One of the consequences of climate change is the intensification of extreme events, including increased storms in some regions and extended droughts in others. In 2014, the megacity of São Paulo, in the southeastern part of Brazil, experienced a critical water crisis. The magnitude of it left milli...- por Portal Padrão
- publicado
- 10/05/2018
- 11:47 AM
High-speed video observation of lightning flashes over Johannesburg, South Africa 2017 – 2018.
South Africa has a long history of lightning research. Tall towers provide a useful tool for investigating lightning as they generally have a high repeatability of events. The Johannesburg region in the Gauteng province has two tall towers, the Brixton tower and the Hillbrow tower, with a high frequ...- por Portal Padrão
- publicado
- 10/05/2018
- 11:44 AM
Comparison of optical emission from Cloud-to-Ground Lightning observed by High-Speed Camera and Geostationary Lightning Mapper (GLM).
Comparison of optical emission from Cloud-to-Ground Lightning observed by High-Speed Camera and Geostationary Lightning Mapper (GLM). ...- por Portal Padrão
- publicado
- 10/05/2018
- 11:42 AM
Projeto difusão do conhecimento científico.
Em 2017 o Instituto Nacional de Pesquisas Espaciais - INPE criou, através do seu Centro de Ciência do Sistema Terrestre (CCST/INPE) e do seu Centro de Previsão de Tempo e Estudos Climáticos (CPTEC/INPE), o Projeto Difusão do Conhecimento Científico, com o objetivo de difundir à sociedade bras...- por Portal Padrão
- publicado
- 10/05/2018
- 11:36 AM
A corrente elétrica e o processo de conexão dos raios com estruturas no solo.
Esse trabalho tem por objetivo a análise do processo de conexão de raios em estruturas de pequeno porte (aproximadamente 60 metros) através da captura e posterior processamento geométrico de vídeos com alta taxa de quadros por segundo. Foi dado prosseguimento ao trabalho realizado no projeto an...- por Portal Padrão
- publicado
- 10/05/2018
- 11:35 AM
Redes Sociais