Carlos Roberto de Souza Filho

• International Geoscience and Remote Sensing Symposium, AR.EXT

• Abstract

  The environmental conditions on the Earth before 4 billion years ago are highly uncertain, largely because of the lack of a substantial rock record from thisperiod. During this time interval, known as the Hadean, the young planet transformed from an uninhabited world to the one capable of supporting, andinhabited by the first living cells. These cells formed in a fluid environment they co…

  Geochemical constraints on the Hadean environment from mineral fingerprints of prokaryotes, PUB.ART

• Abstract

  In this paper we introduce a robust method coined Iterative Curve Fitting (ICF) to estimate the wavelength position and depth from spectral absorption features. The technique iteratively fits a curve to a continuum-removed spectrum and subsets the bands based on the minimum of the previous fit until fulfilling a specified threshold for residual error. The minimum of the latest iteration a…

  Iterative curve fitting: A robust technique to estimate the wavelength position and depth of absorption features from spectral data, PUB.ART

(Only some records are available in English at this moment)

• Abstract

  The caprocks above Hydrocarbon (HC) traps are not perfectly efficient and thus light gaseous HCs can leak to the surface and trigger an array of diagenetic physio-chemical and mineralogical changes in the overlying soils and sediments. Over the years, spectral remote sensing has been utilized to map the alteration footprints of microseepage systems over HC accumulations by targeting iron …

  Evaluation of Longwave Infrared (LWIR) and surface temperature data for terrestrial hydrocarbon microseepage characterization, BP.PD

• Abstract

  Since last century, advances in science and technology have played a major role ir our everyday life. Because of this, it has become essential to discuss those issues with the lay public, in order to allow the dissemination of the knowledge originated in research activities and the citizen's engagement in democratic processes. Based on that, the aim of this proposal is the journalistic di…

  Frontiers of research in geosciences and science and technology policy: The experience of IG-UNICAMP, BP.JC

• Abstract

  Hydrocarbon (HC) reservoirs leak to the surface over time and produce discernible physio-chemical and mineralogical transformations on the surface, which are described within microseepage theory. Microseepage-induced surfaces are characterized by (1) anomalous gas concentration; (2) microbial and geobotanical anomalies; (3) mineralogical changes such as clay alterations, and the formation…

  Characterization and Comparative Study of Onshore Hydrocarbon Seepages and Petroleum Plays in Central Iran and Southeastern Brazil using Spectral Remote Sensing, BP.DR

(Only some records are available in English at this moment)

• Abstract

  The development of techniques able to assist the oil industry on the evaluation of the exploration potential of greenfield basins in Brazil is essential to attract investors. Remote sensing tools have been proven its efficacy as a prospecting method, especially publications demonstrating applications through the infrared range (1 - 15 µm). At onshore areas, the occurrence of natural gas (…

  Hyperspectral remote sensing detection of methane plumes in the VNIR-SWIR range: field experiment and case study, BE.EP.PD