Results 51 to 60 of about 590 (205)

Understanding snow bedform formation by adding sintering to a cellular automata model [PDF]

open access: yesThe Cryosphere, 2019
Cellular-automata-based modelling for simulating snow bedforms and snow deposition is introduced in this study. The well-known ReSCAL model, previously used for sand bedforms, is adapted for this purpose by implementing a simple sintering mechanism.
V. Sharma   +4 more
doaj   +1 more source

Contribution of Reverse Dune Migration to Stabilization of a Transgressive Coastal Dune Field at Lagoa do Peixe National Park Dune Field (South of Brazil)

open access: yesRemote Sensing, 2023
Coastal dunes that transgress typically move landward, while their reverse movement is not well understood. The article discusses the study of barchan and barchanoid dunes in the Lagoa do Peixe National Park in the coastal plain of Rio Grande do Sul ...
Rogério Portantiolo Manzolli   +4 more
doaj   +1 more source

Data "The Effects of Seasonal Wind Regimes on the Evolution of Reversing Barchan Dunes"

open access: yes, 2021
This file includes the data for drone images, grain size and relevant materials in manuscript "The Effects of Seasonal Wind Regimes on the Evolution of Reversing Barchan ...
Xiaoping Yang   +3 more
core   +1 more source

An application of CNN to classify barchan dunes into asymmetry classes [PDF]

open access: yes, 2022
Barchan morphometric data have been used as proxies of meteorological and topographical data in environments where this data is lacking (such as other planetary bodies), gaining insights into barchan dune field dynamics such as barchan collision and ...
Van der Merwe, Barend Jacobus   +2 more
core   +1 more source

Experiments dataset for "Barchan dunes on bidispersed granular beds"

open access: yes, 2020
This dataset contains information from experiments about the paper "Barchan dunes on bidispersed granular beds". The files contain information about Matlab scripts for extracting images from the .MOV files, and then to process those images to obtain ...
Alvarez, C (via Mendeley Data)
core   +1 more source

Data in "The Effects of Seasonal Wind Regimes on the Evolution of Reversing Barchan Dunes"

open access: yes, 2021
This file includes the data for drone images, grain size and relevant materials in manuscript "The Effects of Seasonal Wind Regimes on the Evolution of Reversing Barchan ...
Jie Chen
core   +1 more source

Hazard impact and genetic development of sand dunes west of Samalut, Egypt

open access: yesEgyptian Journal of Remote Sensing and Space Sciences, 2010
A southeast mobile sand dune field extends west of the Nile Valley and encroaches on the cultivated land. These dunes have been investigated by geological and geomorphological mapping using Landsat ETM images and field work.
El Sayed Ahmed El Gammal   +1 more
doaj   +1 more source

Sand Dune Dynamics Exploiting a Fully Automatic Method Using Satellite SAR Data

open access: yesRemote Sensing, 2020
This work presents an automatic procedure to quantify dune dynamics on isolated barchan dunes exploiting Synthetic Aperture RADAR satellite data. We use C-band datasets, allowing the multi-temporal analysis of dune dynamics in two study areas, one ...
José Manuel Delgado Blasco   +3 more
doaj   +1 more source

The evolution of snow bedforms in the Colorado Front Range and the processes that shape them [PDF]

open access: yesThe Cryosphere, 2019
When wind blows over dry snow, the snow surface self-organizes into bedforms such as dunes, ripples, snow waves, and sastrugi. These bedforms govern the interaction between wind, heat, and the snowpack, but thus far they have attracted few scientific ...
K. Kochanski   +6 more
doaj   +1 more source

Bounding Surfaces in a Barchan Dune: Annual Cycles of Deposition? Seasonality or Erosion by Superimposed Bedforms?

open access: yesRemote Sensing, 2019
A barchan dune near Tarfaya in Morocco has been surveyed using ground-penetrating radar (GPR) revealing packages of dipping strata within the dune that are truncated by bounding surfaces. The bounding surfaces dip in the downwind direction, truncate sets
Charles S. Bristow
doaj   +1 more source

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