Results 31 to 40 of about 590 (205)
AUTOMATIC EXTRACTION OF DUNES FROM GOOGLE EARTH IMAGES NEW APPROACH TO STUDY THE DUNES MIGRATION IN THE LAÂYOUNE CITY OF MOROCCO [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 In desert environments, the sandy dune movements are considered as the main threat to the livelihoods and productivity of people living in Laâyoune city, South of Morocco.
D. Dakir +4 more
doaj +1 more source
The shape of barchan dunes [PDF]
Journal of Physics: Condensed Matter, 2005 Barchans are crescent-shaped sand dunes forming in arid regions with unidirectional wind and limited sand supply. We report analytical and numerical results for dune shapes under different environmental conditions as obtained from the so-called 'minimal model' of aeolian sand dunes. The profiles of longitudinal vertical slices (i.e.
Klaus Kroy +2 more
openaire +1 more source
Morphometrics of barchan dunes on Mars
, 2021 Global morphometrics of barchan dunes on Mars, as obtained by an artificial neural ...
Lior Rubanenko (6589988)
core +1 more source
DETECTION OF CRESCENT SAND DUNES CONTOURS IN SATELLITE IMAGES USING AN ACTIVE SHAPE MODEL WITH A CASCADE CLASSIFIER [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019 Crescent sand dunes called barchans are the fastest moving sand dunes in the desert, causing disturbance for infrastructure and threatening human settlements.
M. A. Azzaoui +4 more
doaj +1 more source
Remote Sensing, 2023 Dune migration is one of the main processes in arid lands’ geomorphology and is important for the design of windbreaks and sand fixation projects and for the monitoring of desertification dynamics. We conducted long-term continuous positioning monitoring
Xuegang Xing +3 more
doaj +1 more source
A Simple Agent‐Based Model That Reproduces All Types of Barchan Interactions
Geophysical Research Letters, 2023 We introduce a novel agent‐based model for simulating interactions between migrating barchan dunes. A new two‐flank representation of barchans allows modeling of bedform asymmetries that are intrinsic to collision dynamics but have not been explored ...
Dominic T. Robson, Andreas C. W. Baas
doaj +1 more source
Analysis of Barchan morphology in the west of Loot desert using morphometric features [PDF]
کاوشهای جغرافیایی مناطق بیابانی, 2018 In this article, we analyzed the morphology of barchans (crescentic sand dunes) using morphometric features of seven components of this landform in the west of the Loot desert near Pashoeyeh village. The components were height, width, length of the right
Mehran Maghsoudi +4 more
doaj +1 more source
, 2023 This is part of the dataset concerning the YOLO training of satellite images (Barchan dunes). In this dataset, you find the "YOLOv8 train" folder that contains the structure and images obtained from NASA/JPL-Caltech/UArizona and we saved the ...
Cunez, E (via Mendeley Data)
core +1 more source
Barchan Dunes: Geomorphometric Data
, 2021 Purpose of the Dataset These data were gathered as the foundation for a geomorphometric study of barchan dunes. The intent is for the data to be used in bulk (for the law of large numbers) because of randomly distributed measurement ...
Sherman Douglas J +4 more
core +1 more source
Tikrit Journal of Pure Science, 2023 Study of three Barchan sand dunes in Na'ama area southeast Tikrit city have been carried out for (10) samples, the investigation included petrographical, mineralogical and geochemical aspects of the sand dunes from grain size point, the sand grains are ...
Yaseen S. K. Al-Jwaini
doaj +1 more source