A stalagmite record of abrupt climate change and possible Westerlies-derived atmospheric precipitation during the Penultimate Glacial Maximum in northern China

Railsback, L. Bruce; Xiao, Honglin; Liang, Fuyuan; Akers, Pete D.; Brook, George A.; Dennis, W. M.; Lanier, Thomas E.; Cheng, Hai; Edwards, R. Lawrence

doi:10.1016/j.palaeo.2013.10.013

Cited by 29 publications

(16 citation statements)

References 51 publications

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“…4). The white zones are less translucent than the amber calcite, a pattern similar to that observed in a brown-and-white stalagmite from China previously described by Railsback et al (2014). Of the 181 samples from Cores CA and CC on which RM was measured, only 30 samples had RM greater than 4 × 10 −5 A/m, and almost all of these were from white bands.…”

Section: General Characteristicssupporting

confidence: 79%

A record of wet glacial stages and dry interglacial stages over the last 560 kyr from a standing massive stalagmite in Carlsbad Cavern, New Mexico, USA

Railsback¹,

Brook²,

Ellwood

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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Section: General Characteristicssupporting

confidence: 79%

A record of wet glacial stages and dry interglacial stages over the last 560 kyr from a standing massive stalagmite in Carlsbad Cavern, New Mexico, USA

Railsback¹,

Brook²,

Ellwood

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Meanwhile, Kawamura et al (2007) designated five MIS 6 substages as MIS 6f, 6e, 6d, 6c and 6b, with MIS 6f as the earliest cold substage and no MIS 6a at all in their Fig. 2, a usage later employed by Railsback et al (2014). 2) Ninkovich and Shackleton (1975) designated the earliest substage of MIS 7 as MIS 7c, Bussell and Pillans (1997) made the same designation (citing the decimal-style numbered events of Imbrie et al, 1984 andMartinson et al, 1987 as their source), and Zazo (1999) similarly identified MIS 7c and 7a as the two highstands of MIS 7, whereas Tzedakis et al (1997) designated the earliest substage of MIS 7 as MIS 7e, a usage subsequently followed by Schreve (2001), Robinson et al (2002), Siddall et al (2007, their Table 7.1), and Compton (2011).…”

Section: Extension Of Lettered Substages To Time Other Than Mis 5 Anmentioning

confidence: 99%

An optimized scheme of lettered marine isotope substages for the last 1.0 million years, and the climatostratigraphic nature of isotope stages and substages

Railsback

Gibbard

Head

et al. 2015

Quaternary Science Reviews

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a b s t r a c tA complete and optimized scheme of lettered marine isotope substages spanning the last 1.0 million years is proposed. Lettered substages for Marine Isotope Stage (MIS) 5 were explicitly defined by Shackleton (1969), but analogous substages before or after MIS 5 have not been coherently defined. Short-term discrete events in the isotopic record were defined in the 1980s and given decimal-style numbers, rather than letters, but unlike substages they were neither intended nor suited to identify contiguous intervals of time. Substages for time outside MIS 5 have been lettered, or in some cases numbered, piecemeal and with conflicting designations. We therefore propose a system of lettered substages that is complete, without missing substages, and optimized to match previous published usage to the maximum extent possible. Our goal is to provide order and unity to a taxonomy and nomenclature that has developed ad hoc and somewhat chaotically over the decades. Our system is defined relative to the LR04 stack of marine benthic oxygen isotope records, and thus it is grounded in a continuous record responsive largely to changes in ice volume that are inherently global.This system is intended specifically for marine oxygen isotope stages, but it has relevance also for oxygen isotope stages recognized in time-series of non-marine oxygen isotope data, and more generally for climatic stages, which are recognized in time-series of non-isotopic as well as isotopic data. The terms "stage" and "substage" in this context are best considered to represent climatostratigraphic units, and thus "climatic stages" and "climatic substages", because they are recognized from geochemical and sedimentary responses to climate change that may not have been synchronous at global scale.

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“…S4; Sletten et al, 2013;Railsback et al, 2014;Voarintsoa et al, 2017b). LSW is the horizontal distance between two points on the flanks of the stalagmite where convexity is greatest.…”

Section: Petrography and Mineralogymentioning

confidence: 99%

“…Noncarbonate detrital materials are scarce, and if present, they tend to form a very thin horizon of very fine dust material . Identification of Type L surfaces is aided by measuring the LSW (e.g., Sletten et al, 2013;Railsback et al, 2014; Fig. S4).…”

Section: Paleoclimate Significance Of Stalagmite Growth and Nongrowthmentioning

confidence: 99%

Three distinct Holocene intervals of stalagmite deposition and nondeposition revealed in NW Madagascar, and their paleoclimate implications

et al. 2017

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Abstract. Petrographic features, mineralogy, and stable isotopes from two stalagmites, ANJB-2 and MAJ-5, respectively from Anjohibe and Anjokipoty caves, allow distinction of three intervals of the Holocene in NW Madagascar. The Malagasy early Holocene (between ca. 9.8 and 7.8 ka) and late Holocene (after ca. 1.6 ka) intervals (MEHI and MLHI, respectively) record evidence of stalagmite deposition. The Malagasy middle Holocene interval (MMHI, between ca. 7.8 and 1.6 ka) is marked by a depositional hiatus of ca. 6500 years.Deposition of these stalagmites indicates that the two caves were sufficiently supplied with water to allow stalagmite formation. This suggests that the MEHI and MLHI intervals may have been comparatively wet in NW Madagascar. In contrast, the long-term depositional hiatus during the MMHI implies it was relatively drier than the MEHI and the MLHI.The alternating wet-dry-wet conditions during the Holocene may have been linked to the long-term migrations of the Intertropical Convergence Zone (ITCZ). When the ITCZ's mean position is farther south, NW Madagascar experiences wetter conditions, such as during the MEHI and MLHI, and when it moves north, NW Madagascar climate becomes drier, such as during the MMHI. A similar wetdry-wet succession during the Holocene has been reported in neighboring locations, such as southeastern Africa. Beyond these three subdivisions, the records also suggest wet conditions around the cold 8.2 ka event, suggesting a causal relationship. However, additional Southern Hemisphere highresolution data will be needed to confirm this.

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A stalagmite record of abrupt climate change and possible Westerlies-derived atmospheric precipitation during the Penultimate Glacial Maximum in northern China

Cited by 29 publications

References 51 publications

A record of wet glacial stages and dry interglacial stages over the last 560 kyr from a standing massive stalagmite in Carlsbad Cavern, New Mexico, USA

A record of wet glacial stages and dry interglacial stages over the last 560 kyr from a standing massive stalagmite in Carlsbad Cavern, New Mexico, USA

An optimized scheme of lettered marine isotope substages for the last 1.0 million years, and the climatostratigraphic nature of isotope stages and substages

Three distinct Holocene intervals of stalagmite deposition and nondeposition revealed in NW Madagascar, and their paleoclimate implications

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