river sand mining eqypt

A sustainable solution to excessive river sand mining …

The sand in a river's bed preserves its environmental equilibrium (Farahani and Bayazidi, 2017). Excessive river-sand mining for use as fine aggregate in concrete …

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 ...

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.

Sand mining: how it impacts the environment and solutions …

Sand mining from rivers and marine ecosystems " can lead to erosion, salination of aquifers, loss of protection against storm surges and impacts on biodiversity, which pose a threat to livelihoods through, among other things, water supply, food production, fisheries, or to the tourism industry," says UNEP. In 2018, the World Wildlife …

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 …

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 …

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 …

Environmental and health impact of current uranium mining …

Evaluation and mineral processing activities were focused on the black sand deposits of the northern Nile River delta as a non-conventional resource for uranium and thorium, as well as uranium deposits in Sinai and ... (2019) Radiological assessment of gamma and radon dose rates at former uranium mining tunnels in Egypt. Environ Earth …

India Rivers Week 2020 Is Sand Mining Killing our Rivers?

According to WWF report (see figure above), India may be using about 1.5 tonnes sand per capita per annum in 2010, up from about 0.8 tonnes per capita per annum ten years earlier. By that growth rate, we would be using around 2.5 tonnes per capita per annum in 2020.

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 ...

Sand Mining: The Global Environmental Crisis You've Probably …

The problem is that the supply of sand that can be mined sustainably is finite – but as the great urbanisation boom is proving, the demand for it is anything but. Sand Mining: The Global Environmental Crisis You've Probably Never Heard Of. Times are good for Fey Wei Dong. A genial, middle-aged businessman based near Shanghai, …

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 …

Extent of illegal sand mining in the Mekong Delta

For each sand mining license, details like the name of the river to be mined, commune and district names of sand mining locations, size of mining area (ha), the number of year(s) the license was ...

River-Sand Mining: An Ethnography of Resource Conflict in …

Preface Acknowledgments List of Illustrations Notes on the Text 1 Introduction 1.1 A Brief History of River-Sand Mining: A National Perspective 1.2 The Current Demand for River Sand in China 1.3 The Political Ecology of River-Sand Mining 1.4 The Concept of Indigeneity in China 1.5 The Zhuang and Their Indigenous Ecological …

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.

River Sand Characterization for Its Use in Concrete: A Revue

From Table 2, it can be seen that the bulk density of river sands ranges from 1.6 to 1.8 g/cm 3.This makes it possible to formulate current concretes whose density is close to 2.4 g/cm 3.. 3.2.3. Absolute Densit. In general, studies have shown that the absolute density of river sands ranges from 2.51 to 2.65 g/cm 3, with an average around 2.55 - 2.65 g/cm 3.

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 …

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 …

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 …

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 …

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 …

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 …

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 …

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, …

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.

Quantifying the consequences of unsustainable sand mining …

The evolution of river bathymetric data (2010, 2015, 2018, and 2021) was analysed to clarify the upstream sediment supply trapped in the riverbed and how the sand mining volume was removed.

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 …

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 …

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 ...

River bank instability from unsustainable sand mining in the …

a, Sediment extraction rates (Mt yr −1) across the Mekong River basin.The composition of the extracted load is depicted in the pie charts (from Bravard et al. 22,33).The size of each pie chart ...