Metodología para gestión de información hidrológica en vías navegables: aplicación a Bolivia

Jigena, Bismarck; Mamani, Renato; Pérez, Juan José Muñoz; Garvi, Dolores; Walliser, Jorge; Calderay, Fátima; Berrocoso, Manuel

doi:10.24850/j-tyca-2018-04-10

Cited by 3 publications

(1 citation statement)

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“…The study of submarine, coastal, and insular areas in the world has been widely developed in recent decades [1][2][3][4][5]. This is particularly thanks to the development of technologies and methods in the acoustic, geodesic, geophysical, and remote sensing fields, as well as the improvement in geospatial data management [6][7][8][9][10][11][12]. The incorporation of new methods for the exploration of deep environments has allowed researchers to detect and map shallow gas accumulations in marine deposits [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Acoustic Evidence of Shallow Gas Occurrences in the Offshore Sinú Fold Belt, Colombian Caribbean Sea

Osorio-Granada,

Jigena-Antelo,

Vidal-Perez

et al. 2023

JMSE

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High-resolution seismic analysis and bathymetry data, used in the Offshore Sinú Fold Belt (OSFB), have revealed seabed and sub-surface anomalies, which were probably caused by the presence of shallow gas within the sedimentary records. Shallow gas is widely detected by the frequent presence of anomalous acoustic reflections including acoustic blanking, enhanced reflections, acoustic plumes, pockmarks, and dome structures. More than 30 anomalies that occur within a subsurface depth of ~65 m were acoustically detected within an area of 1000 km2 on the continental shelf and upper continental slope, in water depths ranging from −20 to −1300 m. Moreover, a map with the spatial distribution of the gas occurrences is shown. A close relationship between the locally elevated seabed (dome structures), pockmarks, and acoustic blanking was found. Most of the active pockmarks may be closely related to the submarine path of the Uramita Fault, indicating that the gas occurrences are controlled by active faulting. The shallow gas occurrence was confirmed by the generation of authigenic carbonate and the occurrence of chemosymbiotic biological communities sampled in the area. Although there is an admixture of biogenic gas, it is believed that many of the features observed relate to thermogenic gas. The identification of these anomalies represents a useful basis for an assessment of marine geohazards and can serve as a hydrocarbon exploration tool.

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Section: Introductionmentioning

confidence: 99%

Acoustic Evidence of Shallow Gas Occurrences in the Offshore Sinú Fold Belt, Colombian Caribbean Sea

Osorio-Granada,

Jigena-Antelo,

Vidal-Perez

et al. 2023

JMSE

Self Cite

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Evidence of sea level rise at the Peruvian coast (1942–2019)

Antelo

Estrada-Ludeña²,

Paz-Acosta³

et al. 2023

Science of The Total Environment

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Reforms and Counter-Reforms in Bolivia

M.¹,

C.²,

V.³

2009

SSRN Journal

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Metodología para gestión de información hidrológica en vías navegables: aplicación a Bolivia

Cited by 3 publications

References 0 publications

Acoustic Evidence of Shallow Gas Occurrences in the Offshore Sinú Fold Belt, Colombian Caribbean Sea

Acoustic Evidence of Shallow Gas Occurrences in the Offshore Sinú Fold Belt, Colombian Caribbean Sea

Evidence of sea level rise at the Peruvian coast (1942–2019)

Reforms and Counter-Reforms in Bolivia

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