Pauline Delorme

Pauline Delorme
University of Hull

PhD

About

10
Publications
3,273
Reads
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52
Citations
Additional affiliations
September 2018 - present
University of Southampton
Position
  • PostDoc Position
October 2014 - April 2017
Institut de Physique du Globe de Paris
Position
  • PhD Student

Publications

Publications (10)
Article
Decimeter­scale early­stage aeolian bedforms represent topographic features that differ notably from their mature dune counterparts, with nascent forms exhibiting more gently sloping lee sides and a reverse asymmetry in their flow­parallel bed profile compared to mature dunes. Flow associated with the development of these “protodunes”, wherein the...
Article
Full-text available
Studying hydrothermal systems in basement environments requires knowledge of fault and fracture network distributions. This study addresses this through multi-scale structural analysis of the Têt fault and its surrounding fracture systems (Eastern Pyrénées) using remote sensing and field data. This study aims to achieve this through: 1) precisely m...
Preprint
Full-text available
Early-stage bedforms develop into mature dunes through complex interactions between wind, sand transport and surface topography. Depending on varying environmental and wind conditions, the mechanism driving dune formation and, ultimately, the shape of nascent dunes may differ markedly. In cases where sand availability is plentiful one mechanism sug...
Article
Full-text available
Early-stage bedforms develop into mature dunes through complex interactions between wind, sand transport and surface topography. Depending on varying environmental and wind conditions, the mechanisms driving dune formation and, ultimately, the shape of nascent dunes may differ markedly. In cases where sand availability is plentiful, the emergence a...
Article
Full-text available
Using laboratory experiments, we investigate the influence of water and sediment discharges on the morphology of an alluvial fan. In our flume, a single-thread laminar river deposits corundum sand into a conical fan. We record the fan progradation with top-view images and measure its shape using the deformation of a Moiré pattern. The fan remains v...
Thesis
Full-text available
Alluvial fans are sedimentary deposits growing at the outlet of drainage areas. This position makes them valuable sedimentary records. Three key parameters determine their geometry: the water discharge, the sediment size and the sediment discharge. In this manuscript, based on three series of experiments, we quantify independently the influence of...
Article
Full-text available
Using laboratory experiments, we investigate the growth of an alluvial fan fed with two distinct granular materials. Throughout the growth of the fan, its surface maintains a radial segregation, with the less mobile sediment concentrated near the apex. Scanning the fan surface with a laser, we find that the transition between the proximal and dista...
Article
Full-text available
Using laboratory experiments, we investigate the growth of an alluvial fan fed with two distinct granular materials. Throughout the growth of the fan, its surface maintains a radial segregation, with the less mobile sediment concentrated near the apex. Scanning the fan surface with a laser, we find that the transition between the proximal and dista...
Conference Paper
Full-text available
At the outlet of mountain ranges, rivers flow onto flatter lowlands. The associated change of slope causes sediment deposition. As the river is free to move laterally, it builds conical sedimentary structures called alluvial fans. Their location at the interface between erosional and depositional areas makes them valuable sedimentary archives. To d...
Conference Paper
At the outlet of mountain ranges, rivers reach a flat plain and start to depose their sediment load into a conical sed-imentary structure called alluvial fan. To decipher these sedimentary records, we need to understand the dynamics of their growth. Most natural fans are built by braided streams. However, to avoid the complexity of braided rivers,...

Projects

Projects (3)
Project
Alluvial system dynamics, mass balances and paleohydrology
Project
Highlight the condition that allow dune initiation and growth. Multidisciplinary approach combining field work, flume and numerical modelisation.