دورية أكاديمية
Probing sediment burial age, provenance and geomorphic processes in dryland dunes and lake shorelines using portable luminescence data
| العنوان: | Probing sediment burial age, provenance and geomorphic processes in dryland dunes and lake shorelines using portable luminescence data |
|---|---|
| المؤلفون: | Stone, A., Bateman, M.D., Sanderson, D., Burrough, S.L., Cutts, R., Cresswell, A. |
| بيانات النشر: | Elsevier |
| سنة النشر: | 2024 |
| المجموعة: | University of Glasgow: Enlighten - Publications |
| الوصف: | Luminescence signals from portable optically-stimulated luminescence readers (POSL or port-OSL) can provide expedient insights into sample relative age, and under certain conditions can be simplistically calibrated against existing luminescence chronologies to provide first-order estimates of burial age. This is most straightforward in simple sedimentary systems where samples share a common provenance and geomorphic process history. The spatially extensive southern African dune and palaeolake shoreline luminescence database, for which hundreds of non-light exposed bulk sediments are available, offers a valuable test case to examine the conditions under which POSL-bulk sediment calibration approaches are feasible. To do this we combine measurements of inherent luminescence sensitivity of bulk sediment (BSS) with analysis of sedimentary composition (petrology and presence of calcium carbonate) and texture. We show that BSS, along with POSL IRSL:BSL ratios and petrological data, account for region-to-region variations, whilst internal variability (scatter) within the lake shorelines dataset relates to variations in BSS and sediment texture. At the scale of southern African subcontinent drylands, we see that provenance and geomorphological process history influence sample mineralogical composition and POSL signal characteristic, including BSS. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | text |
| اللغة: | English |
| العلاقة: | https://eprints.gla.ac.uk/326282/1/326282.pdfTest; Stone, A., Bateman, M.D., Sanderson, D. , Burrough, S.L., Cutts, R. and Cresswell, A. (2024) Probing sediment burial age, provenance and geomorphic processes in dryland dunes and lake shorelines using portable luminescence data. Quaternary Geochronology , 101542. (doi:10.1016/j.quageo.2024.101542 ) (Early Online Publication) |
| الإتاحة: | https://doi.org/10.1016/j.quageo.2024.101542Test https://eprints.gla.ac.uk/326282Test/ https://eprints.gla.ac.uk/326282/1/326282.pdfTest |
| حقوق: | cc_by_4 |
| رقم الانضمام: | edsbas.3350DA82 |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |