cryospheric geomorphology

This article is edited and drawn from: Davies, B.J., 2021. Dating Glacial Landforms II: Radiometric Techniques, in: Haritashya, U. (Ed.), Treatise in Geomorphology (Second edition). Cryospheric Geomorphology. Elsevier, pp. 249-280. (link) Introduction to radiocarbon dating Radiocarbon dating has been around since the 1940s (Libby, 1961, 1955), and has transformed our understanding of the timing of …

Radiocarbon dating glacial landforms (Cryospheric Geomorphology) Read More »

This article is taken from: Davies, B.J., 2022. CRYOSPHERIC GEOMORPHOLOGY: Dating Glacial Landforms I: archival, incremental, relative dating techniques and age-equivalent stratigraphic markers. (link) Introduction Trees colonising recently deglaciated land surfaces, especially on markers of ice advance such as moraines, provide a means of dating surfaces that are too young to date reliably by other …

Dendroglaciology Read More »

This article is taken from: Davies, B.J., 2022. CRYOSPHERIC GEOMORPHOLOGY: Dating Glacial Landforms I: archival, incremental, relative dating techniques and age-equivalent stratigraphic markers. (link) Introduction Schmidt-hammer exposure-age dating assesses the compressive strength of bedrock and boulder surfaces and relates this to the degree of weathering of a surface (Wilson et al., 2019). It is a …

Schmidt Hammer dating Read More »

This article is taken from: Davies, B.J., 2022. CRYOSPHERIC GEOMORPHOLOGY: Dating Glacial Landforms I: archival, incremental, relative dating techniques and age-equivalent stratigraphic markers. (link) Introduction to relative dating Relative dating techniques aim to order landscape features. It assumes that moraines closer to the ice limit are usually assumed to be younger, and those further are …

Morphostratigraphy Read More »

This article is taken from: Davies, B.J., 2022. CRYOSPHERIC GEOMORPHOLOGY: Dating Glacial Landforms I: archival, incremental, relative dating techniques and age-equivalent stratigraphic markers. (link) Dating boulder exposure age with lichens Lichenometry, mostly using the species Rhizocarpon subgenus Rhizocarpon, has been widely used to date Late Holocene (last ~1000 years) glacial landforms, including the Northern Hemisphere …

Lichenometry Read More »

This section draws on two book chaper publications by Bethan Davies. Authors accepted versions can be viewed below, along with the link to the published chapters. Not all dating methods are covered here; please refer to the published book chapters for more information. Archival, incremental and relative dating techniques Davies, B.J., 2022. 4.12: Dating Glacial …

Cryospheric Geomorphology: Dating Glacial Landforms Read More »