Browsing by Autor "A. A. Pimenta"

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    Lidar Observations in South America. Part I - Mesosphere and Stratosphere
    (IntechOpen, 2021) Eduardo Landulfo; Alexandre Cacheffo; Alexandre Calzavara Yoshida; Antonio Arleques Gomes; Fábio Lopes; Gregori de Arruda Moreira; Jonatan João da Silva; V. F. Andrioli; A. A. Pimenta; Chi Wang
    South America covers a large area of the globe and plays a fundamental function in its climate change, geographical features, and natural resources. However, it still is a developing area, and natural resource management and energy production are far from a sustainable framework, impacting the air quality of the area and needs much improvement in monitoring. There are significant activities regarding laser remote sensing of the atmosphere at different levels for different purposes. Among these activities, we can mention the mesospheric probing of sodium measurements and stratospheric monitoring of ozone, and the study of wind and gravity waves. Some of these activities are long-lasting and count on the support from the Latin American Lidar Network (LALINET). We intend to pinpoint the most significant scientific achievements and show the potential of carrying out remote sensing activities in the continent and show its correlations with other earth science connections and synergies. In Part I of this chapter, we will present an overview and significant results of lidar observations in the mesosphere and stratosphere. Part II will be dedicated to tropospheric observations.
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    Lidar Observations in South America. Part II - Troposphere
    (IntechOpen, 2021) Eduardo Landulfo; Alexandre Cacheffo; Alexandre Calzavara Yoshida; Antonio Arleques Gomes; Fábio Lopes; Gregori de Arruda Moreira; Jonatan João da Silva; V. F. Andrioli; A. A. Pimenta; Chi Wang
    In Part II of this chapter, we intend to show the significant advances and results concerning aerosols’ tropospheric monitoring in South America. The tropospheric lidar monitoring is also supported by the Latin American Lidar Network (LALINET). It is concerned about aerosols originating from urban pollution, biomass burning, desert dust, sea spray, and other primary sources. Cloud studies and their impact on radiative transfer using tropospheric lidar measurements are also presented.