Matches in SemOpenAlex for { <https://semopenalex.org/work/W4232981708> ?p ?o ?g. }
Showing items 1 to 67 of
67
with 100 items per page.
- W4232981708 abstract "In recent years, rock surface dating has seen the emergence of a technique based on optically stimulated luminescence (OSL). This application translates the depth of OSL signal bleaching within a rock surface into an exposure age or erosion rate at 1-10000 a timescales. Considerable effort has been undertaken to improve our understanding of OSL rock surface dating, yet a large amount of uncertainty associated with the method remains. Specifically, OSL profiles measured into rock surfaces can be highly scattered. Potential causes of this scatter could be lithological heterogeneity that modify bleaching rate throughout the rock, variability in surface erosion or experimental artefacts. Here, we report experiments that were conducted to explore whether experimental artefacts could contribute to the scatter in OSL profiles measured from rock surfaces exposed in Zermatt, Switzerland. This was done by varying the following parameters: (i) heating rate, (ii) isothermal holding time, (iii) luminescence signal detection filters, (iv) the sequential order of optical stimulations, and (v) core diameter. Our results indicate that sample temperature, for both preheating and stimulation, may exert a strong influence on the OSL profiles obtained. Thermal lag, i.e. the temporal offset between sample temperature and the instrument temperature, can be significant for rock slices if a heating rate of 5 °C /s is used and if rock slices are placed directly on the instrument carousel. To reduce this effect, our results suggest future studies place samples in metal cups, reduce the heating rate and increase preheating and holding times prior to optical stimulation, to allow samples to heat at the desired rate and reach the required temperatures." @default.
- W4232981708 created "2022-05-12" @default.
- W4232981708 creator A5024159600 @default.
- W4232981708 creator A5028620074 @default.
- W4232981708 creator A5054593098 @default.
- W4232981708 creator A5084060885 @default.
- W4232981708 date "2021-03-17" @default.
- W4232981708 modified "2023-09-24" @default.
- W4232981708 title "Reducing variability in OSL rock surface dating profiles." @default.
- W4232981708 doi "https://doi.org/10.31223/x51p5h" @default.
- W4232981708 hasPublicationYear "2021" @default.
- W4232981708 type Work @default.
- W4232981708 citedByCount "0" @default.
- W4232981708 crossrefType "posted-content" @default.
- W4232981708 hasAuthorship W4232981708A5024159600 @default.
- W4232981708 hasAuthorship W4232981708A5028620074 @default.
- W4232981708 hasAuthorship W4232981708A5054593098 @default.
- W4232981708 hasAuthorship W4232981708A5084060885 @default.
- W4232981708 hasBestOaLocation W42329817081 @default.
- W4232981708 hasConcept C114793014 @default.
- W4232981708 hasConcept C121332964 @default.
- W4232981708 hasConcept C123157820 @default.
- W4232981708 hasConcept C125800877 @default.
- W4232981708 hasConcept C127313418 @default.
- W4232981708 hasConcept C133347239 @default.
- W4232981708 hasConcept C140345934 @default.
- W4232981708 hasConcept C148869448 @default.
- W4232981708 hasConcept C151730666 @default.
- W4232981708 hasConcept C153294291 @default.
- W4232981708 hasConcept C187817949 @default.
- W4232981708 hasConcept C192562407 @default.
- W4232981708 hasConcept C199289684 @default.
- W4232981708 hasConcept C204530211 @default.
- W4232981708 hasConcept C49040817 @default.
- W4232981708 hasConcept C97355855 @default.
- W4232981708 hasConceptScore W4232981708C114793014 @default.
- W4232981708 hasConceptScore W4232981708C121332964 @default.
- W4232981708 hasConceptScore W4232981708C123157820 @default.
- W4232981708 hasConceptScore W4232981708C125800877 @default.
- W4232981708 hasConceptScore W4232981708C127313418 @default.
- W4232981708 hasConceptScore W4232981708C133347239 @default.
- W4232981708 hasConceptScore W4232981708C140345934 @default.
- W4232981708 hasConceptScore W4232981708C148869448 @default.
- W4232981708 hasConceptScore W4232981708C151730666 @default.
- W4232981708 hasConceptScore W4232981708C153294291 @default.
- W4232981708 hasConceptScore W4232981708C187817949 @default.
- W4232981708 hasConceptScore W4232981708C192562407 @default.
- W4232981708 hasConceptScore W4232981708C199289684 @default.
- W4232981708 hasConceptScore W4232981708C204530211 @default.
- W4232981708 hasConceptScore W4232981708C49040817 @default.
- W4232981708 hasConceptScore W4232981708C97355855 @default.
- W4232981708 hasLocation W42329817081 @default.
- W4232981708 hasOpenAccess W4232981708 @default.
- W4232981708 hasPrimaryLocation W42329817081 @default.
- W4232981708 hasRelatedWork W1647730665 @default.
- W4232981708 hasRelatedWork W2050732711 @default.
- W4232981708 hasRelatedWork W2060177003 @default.
- W4232981708 hasRelatedWork W2164982993 @default.
- W4232981708 hasRelatedWork W285066876 @default.
- W4232981708 hasRelatedWork W3005147120 @default.
- W4232981708 hasRelatedWork W3119668474 @default.
- W4232981708 hasRelatedWork W3129209300 @default.
- W4232981708 hasRelatedWork W3174972898 @default.
- W4232981708 hasRelatedWork W3140775793 @default.
- W4232981708 isParatext "false" @default.
- W4232981708 isRetracted "false" @default.
- W4232981708 workType "article" @default.