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| Proust, Jean-noel; Lamarche, Geoffroy; Migeon, Sébastien; Neil, Helen. |
| Many countries have recognized climate change due to human activities as one of the most critical issues facing the modern world. However, validating predictive models of the potential anthropogenic impact on shaping the Earth's surface requires the examination and documentation of analogous tectonic and climate changes of the past, working with the paradigm that past environmental changes are keys to understanding the future. A France-New Zealand research program, which also involves institutions from several other countries, aims to disentangle the impact of tectonics and climate on the landscape evolution of New Zealand over the past million years, at a very high resolution timescale—with steps as small as 100 years, i.e., relating to events such as... |
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| Ano: 2008 |
URL: http://archimer.ifremer.fr/doc/00248/35892/34428.pdf |
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| Nodder, Scott D.; Lamarche, Geoffroy; Proust, Jean-noel; Stirling, Mark. |
| [1] Seafloor fault scarps and near-surface deformation of late Quaternary seismic reflectors occur along the eastern margin of the Wanganui Basin, 200 km behind the active Hikurangi subduction front, southern North Island, New Zealand. The offshore scarps are associated with the low-strain, compressional Kapiti-Manawatu Fault System (KMFS), which comprises high-angle (> 60 degrees) reactivated reverse and normal faults oriented NE-SW, highly oblique to the coast. Seafloor scarps range from < 10 to 50 km in length with vertical seafloor offsets of 2 to 30 m. The longest structure is the Mascarin Fault, with maximum late Quaternary vertical slip rates of 3 mm a(-1) (where a is years). Other faults in the KMFS have typical rates of < 1 mm a(-1),... |
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Palavras-chave: Hikurangi subduction zone; Active normal fault; Wanganui basin; Surface rupture; North island; Seismic hazard; Wellington region; Taranaki basin; Ohariu fault; Cook strait. |
| Ano: 2007 |
URL: https://archimer.ifremer.fr/doc/00207/31839/30253.pdf |
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| Proust, Jean-noel; Pouderoux, Hugo; Ando, Hisao; Hesselbo, Stephen P.; Hodgson, David M.; Lofi, Johanna; Rabineau, Marina; Sugarman, Peter J.. |
| Understanding the history, causes, and impact of sea-level changes is a challenge for our societies that face accelerated global sea-level rise. In this context, improvement of our knowledge of sea-level changes and shoreline migration at geological time scales is critical. The preserved, laterally correlative sedimentary record of continental erosion on passive margins has been used to reconstruct past sea level. However, the detailed nature of a basic clinothem progradational pattern observed on many of these margins is still poorly known. This paper describes the sedimentary facies and interprets the depositional environments and the architecture of the clinothems of the New Jersey shelf (offshore northeastern USA) to depict the origin and controls of... |
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| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00638/74980/75929.pdf |
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