Water-load definition in the glacio-hydro-isostatic sea-level equation

Lambeck, Kurt; Purcell, Anthony; Johnston, Paul; Nakada, Masayuki; Yokoyama, Yūsuke

doi:10.1016/s0277-3791(02)00142-7

Cited by 147 publications

(99 citation statements)

References 26 publications

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“…1) [22], which both increased ocean volume and triggered isostatic responses of the solid earth [23,24]. At the beginning of the Holocene (∼12 ka), eustatic sea level was ∼60 m lower than in the present, due largely to the remaining Scandinavian and Laurentide ice sheets as well as a greater-than-present Antarctic Ice Sheet volume [25].…”

Section: Spatial Variability Of Holocene Relative Sea-level Changementioning

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: Spatial Variability Of Holocene Relative Sea-level Changementioning

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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“…Since the Last Glacial Maximum (LGM; 26 ka), RSL changes have been driven by the melting of~50 million km 3 of land-based ice as the Earth transitioned from glacial to interglacial climatic conditions [15][16][17]. This transfer of mass from land ice to the global ocean both increased ocean volume and triggered a large, ongoing isostatic response of the solid Earth [4,13,18,19]. The present-day rate of RSL rise due to GIA varies among near-, intermediate, and far-field regions (Fig 1) [20].…”

Section: This Article Is Part Of the Topical Collection On Sea Level mentioning

confidence: 99%

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

Khan

Ashe

Shaw

et al. 2015

Curr Clim Change Rep

125

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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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“…For model comparison, all the models are prescribed with the same boundary conditions: orbital parameters (Berger, 1978), trace gases (Monnin et al, 2001;Dällenbach et al, 2000;Flückiger et al, 1999) and ice sheet configuration (Abe-Ouchi et al, 2015). The ice sheet configuration at the LGM is a blended product by averaging three different ice sheets reconstructions: ICE-6G (Peltier, 2009;Argus and Peltier, 2010;Peltier and Drummond, 2008;Peltier et al, 2015), MOCA Peltier, 2002, 2003;Tarasov et al, 2012) and ANU (Lambeck and Johnston, 1998;Lambeck et al, 2003;Lambeck 25 and Chappell, 2001;Lambeck et al, 2002). More details of the protocols can be found at https://pmip3.lsce.ipsl.fr/.…”

mentioning

confidence: 99%

“…(Peltier, 2009;Argus and Peltier, 2010;Peltier and Drummond, 2008;Peltier et al, 2015), MOCA from Lev Tarasov Peltier, 2003, 2002;Tarasov et al, 2012) and ANU from Kurt Lambeck (Lambeck and Johnston, 1998;Lambeck et al, 2003;Lambeck and Chappell, 2001;Lambeck et al, 2002). (Gowan et al, 2016;Dyke, 2004;Hughes et al, 2016).…”

mentioning

confidence: 99%

Sensitivity of atmospheric forcing on Northern Hemisphere ice sheets during the last glacial-interglacial cycle using output from PMIP3

Niu

Lohmann

Hinck

et al. 2017

Preprint

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Abstract. We use the three-dimensional Parallel Ice Sheet Model (PISM) to simulate Northern Hemisphere ice sheets evolution through the last glacial-interglacial cycle. The simulation is driven by the NGRIP 18O index combined with climate forcing at two time slices, the Last Glacial Maximum (LGM) and present day (PD). In order to investigate the sensitivity of the ice sheets to the atmospheric forcing, atmospheric output from nine climate models from the Paleoclimate ModelingIntercomparison Project Phase III (PMIP3) are used to force the ice sheet model with the same set-up. The results show large 5 diversity in simulated ice sheets between different models. By comparing the atmospheric forcing, we found that summer surface air temperature pattern resembles the ice sheet extent pattern at the LGM, which shows great sensitivity to summer surface air temperature. This implies that careful constrains on climate output is essential for simulating reliable glacial-interglacial Northern Hemisphere ice sheets. The ablation process is of vital importance for high-latitude Northern Hemisphere ice sheets.Besides, the absent nonlinear interactions between ice sheet and atmosphere and ocean, which have different signals regionally, 10 also contribute to the mismatches between simulated ice sheets and geological evidences. Hence, we highlight the needs for coupling an ice sheet model to GCM to take into account these missing processes.

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Water-load definition in the glacio-hydro-isostatic sea-level equation

Cited by 147 publications

References 26 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

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

Sensitivity of atmospheric forcing on Northern Hemisphere ice sheets during the last glacial-interglacial cycle using output from PMIP3

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