Výsledky vyhledávání - "Yoann Ladroit"

Akademický článek

Fresh submarine groundwater discharge offshore Wellington (New Zealand): hydroacoustic characteristics and its influence on seafloor geomorphology

Autor: Jasper J. L. Hoffmann, Joshu J. Mountjoy, Erica Spain, Mark Gall, Leigh W. Tait, Yoann Ladroit, Aaron Micallef

Publikováno v: Frontiers in Marine Science, Vol 10 (2023)

Fresh submarine groundwater discharge (FSGD) influences the biogeochemistry of coastal areas and can be a proxy for potential untapped resources of offshore freshened groundwater (OFG). In most areas however, the onshore-offshore connection and the r

Externí odkaz: https://doaj.org/article/e3d7d901f6aa451fb55720110568df00

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Akademický článek

Extended Detection of Shallow Water Gas Seeps From Multibeam Echosounder Water Column Data

Autor: Amy W. Nau, Ben Scoulding, Rudy J. Kloser, Yoann Ladroit, Vanessa Lucieer

Publikováno v: Frontiers in Remote Sensing, Vol 3 (2022)

Multibeam echosounder water column data provides a three-dimensional image of features between the water surface and the seafloor. Although this swath of acoustic data can be collected over a wide range of angles, most of the data, at least beyond th

Externí odkaz: https://doaj.org/article/2b23fe2188d64be892b29da3949bd410

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Akademický článek

Estimates of Methane Release From Gas Seeps at the Southern Hikurangi Margin, New Zealand

Autor: Francesco Turco, Yoann Ladroit, Sally J. Watson, Sarah Seabrook, Cliff S. Law, Gareth J. Crutchley, Joshu Mountjoy, Ingo A. Pecher, Jess I. T. Hillman, Susi Woelz, Andrew R. Gorman

Publikováno v: Frontiers in Earth Science, Vol 10 (2022)

The highest concentration of cold seep sites worldwide has been observed along convergent margins, where fluid migration through sedimentary sequences is enhanced by tectonic deformation and dewatering of marine sediments. In these regions, gas seeps

Externí odkaz: https://doaj.org/article/ec9037f4599145c89f867f1cfe64e5fe

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Akademický článek

Acoustic Predictors of Active Fluid Expulsion From a Hydrothermal Vent Field, Offshore Taupō Volcanic Zone, New Zealand

Autor: Erica Spain, Geoffroy Lamarche, Vanessa Lucieer, Sally J. Watson, Yoann Ladroit, Erin Heffron, Arne Pallentin, Joanne M. Whittaker

Publikováno v: Frontiers in Earth Science, Vol 9 (2022)

Understanding fluid expulsion is key to estimating gas exchange volumes between the seafloor, ocean, and atmosphere; for locating key ecosystems; and geohazard modelling. Locating active seafloor fluid expulsion typically requires acoustic backscatte

Externí odkaz: https://doaj.org/article/796a4d2dc653462eaea6e53431610e99

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Akademický článek

ESP3: An open-source software for the quantitative processing of hydro-acoustic data

Autor: Yoann Ladroit, Pablo C. Escobar-Flores, Alexandre C.G. Schimel, Richard L. O’Driscoll

Publikováno v: SoftwareX, Vol 12, Iss , Pp 100581- (2020)

ESP3 is an open-source software to process single-beam and split-beam echosounder data. Multiple displays, analysis tools parameterizable algorithms are available to the user to scrutinise their data, and a scripting module allows applying these to e

Externí odkaz: https://doaj.org/article/0897c5e7d21a47ddac10be0fc67e9047

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Akademický článek

Acoustic Assessment of the Micronekton Community on the Chatham Rise, New Zealand, Using a Semi-Automated Approach

Autor: Pablo Christian Escobar-Flores, Yoann Ladroit, Richard Lyell O’Driscoll

Publikováno v: Frontiers in Marine Science, Vol 6 (2019)

Micronekton are a key component of the pelagic food web of the Chatham Rise east of New Zealand. The Chatham Rise is an important fishing area for hoki (Macruronus novaezelandiae), New Zealand’s largest finfish fishery, and a predator on mesopelagi

Externí odkaz: https://doaj.org/article/412ce0b435934c2a8d19a4731ee46bb5

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