Results 11 to 20 of about 929,711 (271)

The Effects of Wind Regime and Sand Supply on the Coexistence of Barchans and Linear Dunes in China’s Qaidam Basin

open access: yesFrontiers in Earth Science, 2022
Dunes composed of granular materials are present in deserts and other environments, such as subaqueous environments and environments on other planets, with very different time and length scales for their evolution.
Fang Ma, Fang Ma, Ping Lü, Min Cao
doaj   +1 more source

Pedogenesis on the Sefton Coastal Dunes, NW England [PDF]

open access: yes, 2010
A thesis submitted in partial fulfilment of the requirements of the University of Wolverhampton for the degree of Doctor of PhilosophyThis work examines the use of pedo-properties to identify dune soil system responses to environmental change on the ...
Millington, Jennifer A.
core   +3 more sources

The sedimentology and dynamics of mega-dunes, Jamuna river, Bangladesh [PDF]

open access: yes, 1998
This thesis quantifies the occurrence, morphology and flow dynamics of dune bcdforms in the main rivers of Bangladesh: the Jamuna, Meghna and Ganges. Field work was conducted as part of the River Survey Project (Bangladesh Flood Action Plan 24) between ...
Roden, Julie Elizabeth
core   +4 more sources

PERFORMANCE OF SORGHUM AND PEARL MILLET FORAGE CROPS PRODUCTIVITY BY USING DIFFERENT AGRICULTURAL MANAGEMENTS UNDER SALINITY CONDITIONS [PDF]

open access: yesJournal of Plant Production, 2016
The present study was carried out at South Sinai Research Station, Ras Sudr, South Sinai Governorate during 2008 and 2009 summer seasons. Two field experiments were carried out on two forage local varieties i.e.
H. El Shaer   +3 more
doaj   +1 more source

Analysis of sand dunes to determine wind direction and detect sand source sites (case study: Khartooran Erg, Iran) [PDF]

open access: yesDesert, 2007
Wind regime and sand grain size are two of the factors that determine the morphology and dynamics of sand dunes in desert areas. Regarding the importance of wind effects on sand dunes especially in Iran, in this study, Khartooran Erg was analyzed to ...
N. Mashhadi   +4 more
doaj   +1 more source

Granularity and Fractal Characteristics of Surface Sediment in Sand Dunes of Arexunula Desert in Xinjiang Uygur Autonomous Region

open access: yesShuitu baochi tongbao, 2023
[Objective] The granularity characteristics of surface sediments in the Arexunula Desert in Xinjiang Uygur Autonomous Region were studied in order to understand the characteristics of surface sediments in the study area and the factors affecting the ...
Yi Zeng, Qian Ma, Pei Wang
doaj   +1 more source

Booming Sand Dunes [PDF]

open access: yes, 2010
"Booming" sand dunes are able to produce low-frequency sound that resembles a pure note from a music instrument. The sound has a dominant audible frequency (70-105 Hz) and several higher harmonics and may be heard from far distances away.
Vriend, Nathalie Maria   +4 more
core   +1 more source

Summary of the Second International Planetary Dunes Workshop: Planetary Analogs — Integrating Models, Remote Sensing, and Field Data, Alamosa, Colorado, USA, May 18–21, 2010 [PDF]

open access: yes, 2010
The Second International Planetary Dunes Workshop took place in Alamosa, Colorado, USA from May 18–21, 2010. The workshop brought together researchers from diverse backgrounds to foster discussion and collaboration regarding terrestrial and extra ...
Tirsch, D.   +31 more
core   +1 more source

Effect of Adding Mixture of Sand Dunes and Emulsified Asphalt on Engineering Properties of Gypseous Soil [PDF]

open access: yesKirkuk Journal of Science, 2015
This research includes an examination of direct shear to find cohesion gypsum soil (C) and the angle of friction (Φ) internal to that soil and also conducted screening collapse to find the amount of collapse (Cp) and examination of endurance Californian ...
Idrees A. Abd, Mahmoud G. Jasam
doaj   +1 more source

Study of Sedimentological Characteristics in Determining of Sand Dunes Origin in the Western Margin of Urmia Lake [PDF]

open access: yesمدیریت بیابان, 2018
Identification of the origin of sand dunes and determining their sensitivity are very important for combating wind erosion. The main aim of this research is investigating sediment characteristics and classification of sand dunes created at the western ...
Layla Biabani   +4 more
doaj   +1 more source

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