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

Khan, Nicole S.; Ashe, Erica; Shaw, Timothy A.; Vacchi, Matteo; Walker, Jennifer; Peltier, W. R.; Kopp, Robert; Horton, Benjamin P.

doi:10.1007/s40641-015-0029-z

Cited by 117 publications

(91 citation statements)

References 173 publications

(264 reference statements)

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“…The most spatially and temporally complete coastal wetland stratigraphic archives are found along coastlines with gradually rising RSL during the Holocene [10]. In contrast, coastlines that have experienced an RSL fall [11] from a midHolocene highstand have fragmented and spatially limited coastal wetland stratigraphic records.…”

Section: Introductionmentioning

confidence: 99%

The Role of Holocene Relative Sea-Level Change in Preserving Records of Subduction Zone Earthquakes

Dura

Engelhart

Vacchi

et al. 2016

Curr Clim Change Rep

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Eustasy and glacio-and hydro-isostatic adjustment are the main drivers of regional variability of Holocene relative sea-level (RSL) records. These regional variations in Holocene RSL influence the preservation of coastal wetland stratigraphic records of prehistoric earthquakes along subduction zone coasts. The length and completeness of prehistoric earthquake records is intrinsically linked to the accommodation space provided by gradually rising (<3 mm/year) Holocene RSL. In near-field regions that were located beneath northern hemisphere ice sheets (e.g., western Vancouver Island), RSL fall from a mid-Holocene highstand has limited prehistoric earthquake records to the last 1 ka. In intermediate field regions (e.g., southern Washington and central Oregon), gradual RSL rise over the last ∼7 ka has preserved widespread records of prehistoric earthquakes. In far-field regions (e.g., Sumatra, Chile, and Japan), fragmentary stratigraphic evidence of prehistoric earthquakes has been preserved only during periods of gradual RSL rise prior to a mid-Holocene highstand, or during the last 1-3 ka, when RSL was within 2 m of modern sea level, and thus within the tidal frame.

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Section: Introductionmentioning

confidence: 99%

The Role of Holocene Relative Sea-Level Change in Preserving Records of Subduction Zone Earthquakes

Dura

Engelhart

Vacchi

et al. 2016

Curr Clim Change Rep

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“…When applied to GIA modelling, decisions will have to be made on: how to weight different data types, the length scale over which each is relevant, how to treat uncertainties in age and elevation, whether to use raw data or statistical reconstructions (e.g. Khan et al, 2015), and how to account for additional metadata, such as information on 710 whether sea-level was rising or falling at a particular location. The uncertainty on the resulting GIA estimate should directly reflect uncertainties in the constraining data.…”

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confidence: 99%

Glacial Isostatic Adjustment modelling: historical perspectives, recent advances, and future directions

Whitehouse¹

2018

Preprint

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Abstract. Glacial Isostatic Adjustment (GIA) describes the response of the solid Earth, the gravitational field, and 5 consequently the oceans to the growth and decay of the global ice sheets. It is a process that takes place relatively rapidly, triggering 100 m-scale changes in sea level and solid Earth deformation over just a few tens of thousands of years. Indeed, the first-order effects of GIA could already be quantified several hundred years ago without reliance on precise measurement techniques and scientists have been developing a unifying theory for the observations for over 200 years. Progress towards this goal required a number of significant breakthroughs to be made, including the recognition that ice sheets were once 10 more extensive, the solid Earth changes shape over time, and gravity plays a central role in determining the pattern of sealevel change. This article describes in detail the historical development of the field of GIA and an overview of the processes involved. Significant recent progress has been made as concepts associated with GIA have begun to be incorporated into parallel fields of research; these advances are discussed, along with the role that GIA is likely to play in addressing outstanding research questions within the field of Earth system modelling. 15

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“…Online (I), on request Khan et al (2015) Compilation of global Holocene relative sea-level data. Each database entry includes location, sea level, sea-level error, age, and age error, as well as the original source of publication.…”

Section: Expected Data Product #1mentioning

confidence: 99%

“…In some cases, editors have made exceptions to standard journal length rules in order to include all the original papers in the reference list (e.g. Khan et al, 2015). Alternatively, some journals allow longer, online-only papers with space for a full reference list (e.g.…”

Section: Expected Data Product #1mentioning

confidence: 99%

“…The need for standardisation among studies as new sea-level data emerged was recognised and implemented by International Geoscience Programme (IGCP) projects, starting with IGCP Project 61 in 1974(van de Plassche, 1986. Subsequent IGCP projects produced Holocene databases in the United Kingdom (Shennan and Horton, 2002), the US Atlantic coast (Engelhart and Horton, 2012), South America (Milne et al, 2005), and elsewhere (Khan et al, 2015). Several recent studies have constructed deglacial databases of ice-sheet retreat, but they have used different criteria and approaches to data assimilation (e.g.…”

Section: Introductionmentioning

confidence: 99%

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

Cited by 117 publications

References 173 publications

The Role of Holocene Relative Sea-Level Change in Preserving Records of Subduction Zone Earthquakes

The Role of Holocene Relative Sea-Level Change in Preserving Records of Subduction Zone Earthquakes

Glacial Isostatic Adjustment modelling: historical perspectives, recent advances, and future directions

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

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