A sea-level database for the Pacific coast of central North America

Engelhart, Simon E.; Vacchi, Matteo; Horton, Benjamin P.; Nelson, Alan R.; Kopp, Robert

doi:10.1016/j.quascirev.2014.12.001

Cited by 103 publications

(65 citation statements)

References 154 publications

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“…We expand on recent reviews showing Holocene RSL variability [13,[44][45][46][47] by applying a non-parametric statistical technique (empirical hierarchical modeling with Gaussian process priors) that appropriately accounts for the vertical and chronological uncertainties of the RSL data to provide a probabilistic assessment of past RSL changes and rates of past RSL change [48][49][50]. This method has not been previously adopted to describe spatial variability in RSL change on a global scale and represents a [54,56], Northwest Georgia Strait, Canada [49], Southern Maine, USA [71], New Jersey, USA [43], Louisiana, USA [74], California, USA [49], St. Croix [99], Suriname and Guyana [100 ], Rio Grande do Norte State, Brazil [102], and South Shetland Islands, Antarctica [112,114].…”

Section: Rsl Histories and Application Of Gaussian Process Modelmentioning

confidence: 99%

“…This method has not been previously adopted to describe spatial variability in RSL change on a global scale and represents a [54,56], Northwest Georgia Strait, Canada [49], Southern Maine, USA [71], New Jersey, USA [43], Louisiana, USA [74], California, USA [49], St. Croix [99], Suriname and Guyana [100 ], Rio Grande do Norte State, Brazil [102], and South Shetland Islands, Antarctica [112,114]. Altitudes and interpretations of sea-level index points (including errors) have not been amended from the original publication (see section 2 for details).…”

Section: Rsl Histories and Application Of Gaussian Process Modelmentioning

confidence: 99%

“…The Pacific coast of North America includes near-and intermediate-field regions [49]). Deglacial RSL histories of the Pacific coast [75][76][77][78][79][80][81][82][83][84][85] are supplemented by studies of the earthquake and tsunami history of the Cascadia subduction zone along the coasts of British Columbia, Washington, Oregon, and northern California [86][87][88][89][90][91][92][93].…”

Section: Pacific Coastmentioning

confidence: 99%

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Holocene Relative Sea-Level Changes from Near-, Intermediate-, and Far-Field Locations

Khan

Ashe

Shaw

et al. 2015

Curr Clim Change Rep

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129

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Holocene relative sea-level (RSL) records exhibit spatial and temporal variability that arises mainly from the interaction of eustatic (land ice volume and thermal expansion) and isostatic (glacio-and hydro-) factors. We fit RSL histories from near-, intermediate-, and far-field locations with noisy-input Gaussian process models to assess rates of RSL change. Records from near-field regions (e.g., Antarctica, Greenland, Canada, Sweden, and Scotland) reveal a complex pattern of RSL fall from a maximum marine limit due to the net effect of eustatic sea-level rise and glacio-isostatic uplift with rates of RSL fall as great as −69±9 m/ka. Intermediatefield regions (e.g., mid-Atlantic and Pacific coasts of the USA, Netherlands, Southern France, St. Croix) display variable rates of RSL rise from the cumulative effect of eustatic and isostatic factors. Fast rates of RSL rise (up to 10±1 m/ka) are found in the early Holocene in regions near the center of forebulge collapse. Far-field RSL records exhibit a midHolocene highstand, the timing (between 8 and 4 ka) and magnitude (between <1 and 6 m) of which varies among South America, Africa, Asia, and Oceania regions.

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Section: Rsl Histories and Application Of Gaussian Process Modelmentioning

confidence: 99%

Section: Rsl Histories and Application Of Gaussian Process Modelmentioning

confidence: 99%

Section: Pacific Coastmentioning

confidence: 99%

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Holocene Relative Sea-Level Changes from Near-, Intermediate-, and Far-Field Locations

Khan

Ashe

Shaw

et al. 2015

Curr Clim Change Rep

Self Cite

129

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show abstract

“…There is no evidence for a former highstand as the single sea level curve for the area [23] indicates that eustatic sea level was never higher than the present. Recent compilations of uplift-corrected Holocene records from farther north show very similar eustatic records, notably lacking any highstands [40,41].…”

Section: Discussionmentioning

confidence: 92%

Geological and Sedimentological Evidence of a Large Tsunami Occurring ~1100 Year BP from a Small Coastal Lake along the Bay of La Paz in Baja California Sur, Mexico

McCloskey

Bianchette

Liu

2015

JMSE

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Abstract:The importance of small-scale seismic events in enclosed water bodies, which can result in large tsunami waves capable of affecting comprehensive damage over small, geographically-confined areas are generally overlooked, although recognizing the occurrence of such events is a necessary element in adequately assessing the risk of natural hazards at specific locations. Here we present evidence for a probable large localized tsunami that occurred within the Bay of La Paz, Baja California Sur, ~1100 year before present (BP), which resulted in the creation of a shelly ridge at an elevation of ~2 m above mean high water (MHW). This ridge consists of a continuous wedge of poorly mixed marine sands and shells ~50 cm in depth deposited along the entire seaward edge of the lake. The marine shells collected from terrestrial environments around the lake include species from a variety of environments, including offshore species with minimum preferred depths of >13 m. The evidence suggests that this material was likely deposited by a tsunami with a runup of 2-3.6 m above MHW, probably associated with the slumping of an island along the tectonically active eastern edge of the bay.

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“…Ideally, the code should be openly available and well documented. (Engelhart et al, 2015;Reynolds and Simms, 2015), (B) Gulf (Hijma et al, 2015), and (C) Atlantic (Engelhart and Horton, 2012) coasts of North America; (D) Caribbean and South America (Milne et al, 2005); (E) Greenland (Long et al, 2011); (F) Ireland (Brooks and Edwards, 2006); (G) the UK (Shennan and Horton, 2002); (H) northwest Europe (Vink et al, 2007); (I) the Mediterranean (Vacchi et al, 2014(Vacchi et al, , 2016; (J) China (Zong, 2004), (K) Malay Peninsula (Horton et al, 2005); (L) New Zealand (Clement et al, 2016); and (M) Antarctica (Briggs and Tarasov, 2013).…”

Section: Database Creationmentioning

confidence: 99%

Palaeo-sea-level and palaeo-ice-sheet databases: problems, strategies, and perspectives

et al. 2016

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Abstract. Sea-level and ice-sheet databases have driven numerous advances in understanding the Earth system. We describe the challenges and offer best strategies that can be adopted to build self-consistent and standardised databases of geological and geochemical information used to archive palaeo-sea-levels and palaeo-ice-sheets. There are three phases in the development of a database: (i) measurement, (ii) interpretation, and (iii) database creation. Measurement should include the objective description of the position and age of a sample, description of associated geological features, and quantification of uncertainties. Interpretation of the sample may have a subjective component, but it should always include uncertainties and alternative or contrasting interpretations, with any exclusion of existing interpretations requiring a full justification. During the creation of a database, an approach based on accessibility, transparency, Published by Copernicus Publications on behalf of the European Geosciences Union. 912A. Düsterhus et. al.: Palaeo-sea-level and -ice-sheet databases trust, availability, continuity, completeness, and communication of content (ATTAC 3 ) must be adopted. It is essential to consider the community that creates and benefits from a database. We conclude that funding agencies should not only consider the creation of original data in specific researchquestion-oriented projects, but also include the possibility of using part of the funding for IT-related and database creation tasks, which are essential to guarantee accessibility and maintenance of the collected data.

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A sea-level database for the Pacific coast of central North America

Cited by 103 publications

References 154 publications

Holocene Relative Sea-Level Changes from Near-, Intermediate-, and Far-Field Locations

Holocene Relative Sea-Level Changes from Near-, Intermediate-, and Far-Field Locations

Geological and Sedimentological Evidence of a Large Tsunami Occurring ~1100 Year BP from a Small Coastal Lake along the Bay of La Paz in Baja California Sur, Mexico

Palaeo-sea-level and palaeo-ice-sheet databases: problems, strategies, and perspectives

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