River sand mining as a livelihood activity: The case of Nepal
Ultimately we had to travel along the rivers to find sand worker settlements. We describe their livelihoods, and compare these to the random sample from the surrounding villages, and find that river sand mining is as well paid as other low-skilled activities, but provides a more regular income. 2. River sand mining.
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Extracting River Bed Materials
sand is used for plastering. Different river sands thus have different levels of demand, and river-specific sand mining impacts need to be evaluated accordingly. S.N o. Sediment Name Size Range in mm Loose Sediment Type Cohesion Fine-Grained 1. Clay <1/256 mm or <0.004 Clay Cohesive 2. Silt 1/256 - 1/16 mm or 0.062-0.004 Silt Cohesive …
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The conflict potential of sand: Illegal sand mining on …
Contents. PDF / ePub. More. Abstract. Sand is mined illegally in numerous countries globally—with devastating consequences for the environment and the people …
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The Hidden Environmental Toll of Mining the World's Sand
The Hidden Environmental Toll of Mining the World's Sand. By far the largest mining endeavor globally is digging up sand, mainly for the concrete that goes into buildings. But this little-noticed and largely unregulated activity has serious costs — damaging rivers, wreaking havoc on coastal ecosystems, and even wiping away entire …
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River Sand Mining and Mining Methods | SpringerLink
A variety of methods are adopted for alluvial sand extraction. Kondolf et al. described several methods for the extraction of sand from the active channels and floodplain/terraces of riverine environments.3.3.1 Active Channels. Instream sand and gravel mining (Plate 3.2) has been carried out by the following methods: (a) Bar scalping …
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River Sand Mining Vis a Vis Manufactured Sand for Sustainability …
General guidelines for Mining gravel and sand from river in Malaysia. Following steps are taken as per guidelines: 1. Initially location of sand and gravel deposition or aggradation is identified. Mine operator is permitted to extract material where problem of aggradation is least.
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Index in: River-Sand Mining: An Ethnography of Resource
Ancient Near East and Egypt: Human Rights and Humanitarian Law: Musicology: Art History: International Law: Philosophy: Asian Studies: International Relations: Religious Studies: ... Chapter 3 The Commodity Chain of River Sand and the Ecological Consequences of River-Sand Mining.
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Inside the Crime Rings Trafficking Sand | Scientific American
Yusuf, now studying sand mining and river systems as a Ph.D. candidate at Newcastle University in England, was born in Makueni County, southeast of Nairobi. As a , she carried water from the ...
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Know more about Egypt's Black Treasure
According to an aerial survey carried out by the Nuclear Materials Authority, Egypt has 11 sites of black sand along the northern coast. Studies and researches have revealed that the geological reserve of those sands on the Egyptian coast reaches about 1.3 billion cubic meters, including Rasheed area, with re- serves of 600 million cubic …
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Sand mining: how it impacts the environment and …
Article. Open access. Published: 12 January 2024. Quantifying the consequences of unsustainable sand mining and cascade dams on aspects in a tropical …
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See How Sand Mining Threatens a Way of Life in Southeast …
Vietnam is a prime example of a little-known global threat: the mining of river sand to build the world's booming cities. In An Giang Province, Vietnam, a half-mile stretch of riverfront along ...
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Mining in Ancient Egypt and Nubia | SpringerLink
Convincing arguments for Old Kingdom copper mining were found in Buhen south of Wadi Halfa at the western bank of the river Nile, where copper furnaces of the fourth and fifth dynasty were excavated (Emery 1963).But the nearest copper mine in that region is Um Fahm some 80 km south and 30 km inside the eastern Desert (Figs. 2 and 3).In Quban, …
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river sand mining eqypt
WorldAtlas Nov 13, 2018 Sand mining is the process of extracting sand from an open pit, sea beaches, rivers and ocean beds, river banks, deltas, or inland dunes The extracted sand can be used for various types of manufacturing, such as concrete used in the construction of buildings and other river sand mining,Eqypt [ 49 7681 Ratings ] The …
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River Sand Mining and Its Ecological Footprint at Odor River…
The analysis also revealed the monthly volume of sand mined from Odor River and loaded into trucks monthly. 11% of the respondents agreed that less than 50 trucks of sand mined monthly, 17% for 50–80 trucks monthly, 13% for 80–100 trucks monthly, 26% for 100–150 trucks monthly, and 31% for 200 trucks and above monthly.
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River Sand: An Essential Component in Construction Projects
River sand is utilized in road construction projects for the preparation of sub-base and base layers. Its excellent compaction properties make it an ideal material for supporting the load-bearing capacity of roads. 4. Landscaping and Gardening. River sand is widely employed in landscaping and gardening applications.
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Into Egypt's Black Treasure
Into Egypt's Black Treasure. CAIRO - 13 August 2019: As it flows from the great rivers region through to the Mediterranean Sea, The Nile River sweeps some minerals to the Arab world, in a process transferring these minerals to sea beaches and forming black dunes. Named after its color, black sand contains a percentage of …
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Curbing Unregulated River Sand Mining in Sri Lanka
Sri Lanka also passed the National Environmental Act 47, which prohibits mechanized sand mining in all rivers in Sri Lanka. Together, these new legal frameworks have significantly increased GSM's capacity. SLWP has worked closely with GSMB to advance its water management strategies at the local level specifically.
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River Sand Mining Equipment
OCEAN JSD series river sand mining equipment is widely used to recover underwater materials from great depths and can also extract sand from below a clay overburden. The river sand mining equipment is equipped with high pressure water pump and powerful sand suction pump. The water pump can produce high pressure high speed water jet to …
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Structural characteristics of the Qena Bend of the Egyptian Nile River
The Qena Bend is one of the protruding geomorphological features in the course of the Egyptian River Nile in Upper Egypt. There, the Nile changes its predominant trend (NW–SE) and makes a great loop towards the east, while is bounded by limestone cliffs on both sides (Fig. 1).This segment is considered one of the most structurally …
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The environmental impacts of river sand mining
River sand mining. River sand mining is the extraction of sand (and gravel) from the drainage network of a river. By its nature, this practice effects the …
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Uncovering the lack of awareness of sand mining …
Article. Open access. Published: 24 September 2023. Uncovering the lack of awareness of sand mining impacts on riverbank erosion among Mekong Delta …
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Best river sand mining practices vis-a-vis alternative sand …
This calls for responsible river sand mining practices and more importantly exploration of alternative sand manufacturing methods for source sustainability considering that over 40 billion tons of river sand and gravel is extracted worldwide annually. While critically examining the sand mining process and procedure vis-a-vis management ...
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The impact of river sand mining on remobilization of lead …
1. Introduction. With intense development of urbanization and the economy, the construction industry fuels the demand for sand (Hackney et al., 2020).Currently, river sediment normally contains large amounts of high-quality sand that can be used in the construction industry (Meng et al., 2018).Thus, commercial sand mining activities have …
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Impact assessment of river sand resource shortage under …
More than half of the annual global concrete materials were produced in China due to the rapid developing construction industry, which partly led to the shortage of river sand. However, mining rate exceeds the natural replenishment rate of river sand recently, resulting in depletion of natural river sand accumulation. The increasing …
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Can sand mining ever be green?
Sand mining can severely damage environments and ecosystems. Often mined by dredging sea and river beds, the practise poses a threat to biodiversity as creatures and plants are stripped from the depths, and the stirred up plumes suffocate fish and block sunlight from the remaining underwater vegetation. Along riverbanks, mining …
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Impacts of riverine sand mining on freshwater …
Impacts of riverine sand mining on freshwater ecosystems: A review of the scientific evidence and guidance for future research - Koehnken - 2020 - River …
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The environmental impacts of river sand mining
Assuming that in one year, the Saddang River sand mining operations last for 350 days, the annual production volume can be estimated at 890736 m³/year.
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Chapter 3 River Sand Mining and Mining Methods
3.4 Manual and Mechanical Mining River sand mining is carried out both manually and mechanically. Manual mining is more environment-friendly and the quantity of mining is practically low. This method is practiced in many developing and underdeveloped countries having small rivers with limited river bed resources (Plate 3.2). Usually country ...
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The regulation of sand mining in South Africa
Sand, an important input to the construction industry, is extensively mined from the environment leading to depletion of the resource as well as damage to riparian habitat and the alteration of river beds and banks. Sand mining in South Africa is controlled by a complex regulatory system that can be distilled into three main themes: mineral …
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River Sand Mining and its Management: A Global …
They are: (1) to determine the optimal amount of SM in respect to resilience state of stream hydraulics, morphological and river ecosystem variables, (2) to …
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