Cyclic steps: review and aggradation-based classification

A Slootman, MJB Cartigny - Earth-Science Reviews, 2020 - Elsevier
Cyclic steps are a type of upper flow-regime bedform consisting of trains of upstream-and
upslope-migrating bed undulations. The overriding flow is characterised by a series of …

Middle and Late Quaternary glacial lake-outburst floods, drainage diversions and reorganization of fluvial systems in northwestern Eurasia

AV Panin, VI Astakhov, E Lotsari, G Komatsu… - Earth-Science …, 2020 - Elsevier
Abstract The Middle and Late Pleistocene glaciations of northern Eurasia had a great impact
on the evolution of the modern drainage system. This paper presents a review and synthesis …

Supercritical and subcritical turbidity currents and their deposits—A synthesis

G Postma, MJB Cartigny - Geology, 2014 - pubs.geoscienceworld.org
Common facies models of turbidite deposits are based on idealized sequences of turbidite
units, which are assumed to reflect the depositional processes of a decelerating turbidity …

Recognition of cyclic steps in sandy and gravelly turbidite sequences, and consequences for the Bouma facies model

G Postma, K Kleverlaan, MJB Cartigny - Sedimentology, 2014 - Wiley Online Library
Preservation of cyclic steps contrasts markedly with that of subcritical‐flow bedforms,
because cyclic steps migrate upslope eroding their lee face and preserving their stoss side …

[HTML][HTML] How to recognize crescentic bedforms formed by supercritical turbidity currents in the geologic record: Insights from active submarine channels

S Hage, MJB Cartigny, MA Clare, EJ Sumner… - …, 2018 - pubs.geoscienceworld.org
Submarine channels have been important throughout geologic time for feeding globally
significant volumes of sediment from land to the deep sea. Modern observations show that …

Spatial and temporal distribution of landslide-dammed lakes in Purlung Tsangpo

H Wang, P Cui, L Zhou, W Liu, A Yang, S Yao… - Engineering …, 2022 - Elsevier
Reconstructing the ages and magnitudes of prehistoric extreme events that are recorded in
landforms and sediments allows us to capture the full range of frequency-magnitudes and …

Bedforms and sedimentary structures related to supercritical flows in glacigenic settings

J Lang, DP Le Heron, JH Van den Berg… - …, 2021 - Wiley Online Library
Upper‐flow‐regime bedforms, including upper‐stage‐plane beds, antidunes, chutes‐and‐
pools and cyclic steps, are ubiquitous in glacigenic depositional environments characterized …

[HTML][HTML] 3D architecture of cyclic-step and antidune deposits in glacigenic subaqueous fan and delta settings: Integrating outcrop and ground-penetrating radar data

J Lang, J Sievers, M Loewer, J Igel, J Winsemann - Sedimentary Geology, 2017 - Elsevier
Bedforms related to supercritical flows are increasingly recognised as important constituents
of many depositional environments, but outcrop studies are commonly hampered by long …

Upslope-migrating bedforms in a proglacial sandur delta: Cyclic steps from river-derived underflows?

P Dietrich, JF Ghienne… - Journal of …, 2016 - pubs.geoscienceworld.org
Backstepping cross-strata on steep foresets of a Gilbert-type proglacial fluviodeltaic system
are ascribed to cyclic steps and other associated supercritical bedforms. They provide …

Ice‐marginal forced regressive deltas in glacial lake basins: geomorphology, facies variability and large‐scale depositional architecture

J Winsemann, J Lang, U Polom, M Loewer, J Igel… - Boreas, 2018 - Wiley Online Library
This study presents a synthesis of the geomorphology, facies variability and depositional
architecture of ice‐marginal deltas affected by rapid lake‐level change. The integration of …