Comparing dune migration measured from remote sensing with sand flux prediction based on weather data and model, a test case in Qatar

S Michel, JP Avouac, F Ayoub, RC Ewing… - Earth and Planetary …, 2018 - Elsevier
This study explores validating and calibrating the wind regime predicted by Global
Circulation Models (GCM) on Earth and other planets using optical remote sensing of dune …

Water Vapor Transport Across an Arid Sand Surface—Non‐Linear Thermal Coupling, Wind‐Driven Pore Advection, Subsurface Waves, and Exchange With the …

MY Louge, A Valance, J Xu… - Journal of …, 2022 - Wiley Online Library
Although vapor exchanged across hyper‐arid surfaces without free liquid affects the water
budget of sand seas, its mechanism is poorly documented for want of accurate instruments …

Looking beyond the powder/dense flow avalanche dichotomy

T Faug, B Turnbull, P Gauer - Journal of Geophysical Research …, 2018 - Wiley Online Library
Köhler et al.(2018, https://doi. org/10.1002/2017JF004375) deploy a high spatial and
temporal resolution GEODAR radar system to reveal the inside of snow avalanches over the …

Temperature and humidity within a mobile barchan sand dune, implications for microbial survival

MY Louge, A Valance, AO el‒Moctar… - Journal of …, 2013 - Wiley Online Library
Although microorganisms play an important role in biological soil crusts and plant
rhizospheres in deserts, it is unclear whether temperature and moisture deep within …

Sedimentary structure of large sand dunes: examples from Dumont and Eureka dunes, California

NM Vriend, ML Hunt, RW Clayton - Geophysical journal …, 2012 - academic.oup.com
The current research presents ground penetrating radar images up to 30m in depth of two
large desert dunes in California, USA—a barchanoid ridge in the Dumont field and a linear …

Internal structure of sand dunes in the Badain Jaran Desert revealed by GPR

R Qian, L Liu - IEEE Journal of Selected Topics in Applied Earth …, 2015 - ieeexplore.ieee.org
In spite of the prevailing dry and windy climate conditions the mega dunes in the Badain
Jaran Desert in northwestern China are relatively moist underneath a dry surface layer of …

Basal pressure variations induced by a turbulent flow over a wavy surface

P Claudin, M Louge, B Andreotti - Frontiers in Physics, 2021 - frontiersin.org
Turbulent flows over wavy surfaces give rise to the formation of ripples, dunes and other
natural bedforms. To predict how much sediment these flows transport, research has …

Aeolian erosion thresholds for cohesive sand

JB Besnard, P Dupont, AO El Moctar… - Journal of Geophysical …, 2022 - Wiley Online Library
Moisture is known to affect sand cohesion and therefore transport threshold and rate of
aeolian sand transport. Aeolian sand transport has been widely documented for dry sand …

Packing variations on a ripple of nearly monodisperse dry sand

MY Louge, A Valance… - Journal of …, 2010 - Wiley Online Library
Dielectric measurements reveal that bulk density on the surface of recently mobilized dry
ripples of a nearly monodisperse desert sand varies from the random jammed packing at …

[HTML][HTML] Non-invasive, continuous, quantitative detection of powder level and mass holdup in a metal feed tube

MY Louge, J Mandur, W Blincoe, A Tantuccio… - Powder Technology, 2021 - Elsevier
We describe a quantitative, non-invasive capacitance detector providing a rapid signal that
varies continuously with powder level and/or mass holdup in the metal feed tube of a tablet …