An optimization model of sand and gravel mining quantity …
According to the China Aggregates Association (Ministry of Industry and Information Technology of China, 2019), the annual consumption of aggregates in the country has reached nearly 20 billion ...
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Multi-Scenario land cover changes and carbon emissions …
Since the beginning of the 21st century, global carbon emissions have rapidly increased, rising 40 % between 2000 and 2019. Emissions peaked at 34.36 billion tonnes in 2019, with per capita carbon emissions reaching a record high of 4.42 tonnes (Petroleum, 2022, Cao et al., 2022).Climate change is a universal anthropogenic challenge, and achieving net-zero CO 2 …
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China builds with manufactured sand, easing worry about
About 80 per cent of the sand used in China's construction industry today is manufactured, marking a turning point in engineering, and offering hope to solve a major crisis …
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Spatiotemporal changes in water consumption structure of …
Spatiotemporal changes in water consumption structure of the Yellow River Basin, China. Author links open overlay panel Jiaqi Sun a b, Xiaojun Wang b c, ... 2017; Sun et al., 2019) China often experiences severe water shortages, which is the major problem of China water conservancy. ... (such as China's administrative provinces), and there are ...
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Substantial increase in China's manufactured sand supply …
As the world's second most consumed resource, sand is being depleted at an alarming rate. China accounted for nearly half of the world's sand consumption in 2012. Here we present a material ...
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Finite sand resource needs better governance
the supply and demand of construction sand in China from 1995 to 2020. They found that China's sand demand surged with economic growth and urbanization, increasing from 1.4 Gt per year in 1995 ...
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Best river sand mining practices vis-a-vis alternative sand …
The data set from design mixed laboratory trials of M Sand concrete in India, China, and Japan demonstrates among other characteristics a higher strength and greater workability. ... Technical code of safety production of river sand mining in Hebei Province. ... which could reduce sand consumption and ease the pressure on natural sand. It ...
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End illegal sand mining in China | Request PDF
China accounted for nearly half of the world's sand consumption in 2012. Here we present a material flow analysis of sand from 1995 to 2020 that shows China's overall sand supply surged by ...
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The Unsustainable Use of Sand: Reporting on a
Explore millions of resources from scholarly journals, books, newspapers, videos and more, on the ProQuest Platform.
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Substantial increase in China s manufactured sand …
This was mainly attributed to China's encouragement of expanded use of manufactured sand in building materials in 2011 (ref. 13). After 2015, China's manufactured sand sup - ply stayed at ~4.7–5.5 Gt yr−1, mainly due to the slowdown of China's urbanization progress. We further traced China's sand flows throughout the whole life
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OIL IN CHINA: CONSUMPTION, PRODUCTION, HISTORY, …
China's oil consumption growth accounted for an estimated two-thirds of incremental global oil consumption in 2019. China consumed an estimated 14.5 million barrels per day of petroleum and other liquids in 2019, up 500,000 barrels per day, or nearly 4 percent, from 2018.. ... The Chinese government and BP/Shell formed a venture to extract ...
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Trends, challenges, and mitigation strategies for …
This article provides an overview of the use of sand and gravel in China, including current supply and demand conflicts and the impacts of mining, transportation, and use.
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The environmental impacts of river sand mining
Even though it would be in nature's best interest, a worldwide ban on sand mining is not an option as the demand for sand is enormous and ever-growing (Gallagher and Peduzzi, 2019).Between 1900 and 2010 the global demand for sand increased 23-fold (Torres et al., 2017) and it is expected to grow to a colossal 82 billion tons by 2060 (Fritts, 2019).
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Stocks and flows of sand, gravel, and crushed stone in China …
China's sand and stone production accounts for approximately 35% of the world's sand and stone production, and it could reach 2.5 × 10 10 t by 2030 [2]. ... Effect of Replacing Fine Aggregate ...
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Sand and sustainability: Finding new solutions for …
rivers, river deltas and coastlines are eroding, "Sand ma as" are thriving and demand continues to grow. Sand and sustainability: Finding new solutions for envir onmental go v ernance of ...
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2019 Minerals Yearbook
sand, combined, accounted for the remainder of industrial sand and gravel end uses. consumption of silica sand as frac sand decreased by 7% in 2019 compared with that in 2018. increased consumption was noted for many end uses, including abrasives, glassmaking sand, other whole grain silica, recreational sand, and roofing granules and fillers.
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Impact assessment of river sand resource shortage …
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.
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Stocks and flows of sand, gravel, and crushed stone in China …
They could be obtained not only from the river sand but also from a variety of silicon-containing ores, such as vein quartz, quartz gravel, etc. ... (Ministry of Industry and Information Technology of China, 2019), the annual consumption of aggregates in the country has reached nearly 20 billion tons in recent years, occupying over half of ...
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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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Finite sand resource needs better governance
The growing supply of manufactured sand is a result of China's increasing regulation of natural sand extraction and consumption. For example, sand extraction in the Yangtze River was banned in ...
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Mapping Global Sand
This report aims to contribute to the global debate on sand governance. It focuses on construction sand and maps three interrelated elements: (1) the global, regional and country specific trade in sand; (2) the current state of the social-scientific literature on sand extraction, as well as key policy reports (3) other governance efforts in the extractive industries, to provide jumping-off ...
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China's Natural Sand Market Report 2024
The Chinese natural sand market totaled $3.1B in 2023, remaining relatively unchanged against the previous year. The market value increased at an average annual rate of +3.4% from 2012 to 2023; however, the trend pattern indicated some noticeable fluctuations being recorded in certain years. As a result, consumption attained the peak level of $3.1B; …
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NATURE GEOSCIENCE
Here we present a material flow analysis of sand from 1995 to 2020 that shows China's overall sand supply surged by approximately 400% over the study period, yet the proportion of natural …
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An in-depth multiscale analysis of farmland abandonment …
In 2019, the "Outline of the Yangtze River Delta Regional Integration Development Plan" was officially released by the Central Committee of the Communist Party of China and the State Council. It is explicitly proposed to strengthen ecological environment protection and joint governance, and build a high-level ecological and green integrated ...
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China's shift to manufactured sand reduces environmental …
In 2020, the proportion of natural sand compared with total sand supply stood at only around 21 per cent – down from around 80 per cent in 1995. It represents a landmark in the history of human civil engineering, especially considering that China's sand consumption is an outstandingly high percentage of global use.
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Stocks and flows of sand, gravel, and crushed stone in China …
Natural aggregates, including river sand, lake sand, desalinated sea sand, mountain sand, pit sand, and pebbles, are naturally formed rock particles that are extracted and screened by labor. ... (Ministry of Industry and Information Technology of China, 2019), the annual consumption of aggregates in the country has reached nearly 20 billion ...
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China builds with manufactured sand, easing worry about
In 2020, the proportion of natural sand compared with total sand supply stood at only around 21 per cent – down from around 80 per cent in 1995. It represents a landmark in the history of civil engineering, especially considering that China's sand consumption is an outstandingly high percentage of global use, according to the researchers
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End illegal sand mining in China.
Semantic Scholar extracted view of "End illegal sand mining in China." by Mingrong Liang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 222,870,750 papers from all fields of science. Search. Sign In Create Free Account.
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Stocks and flows of sand, gravel, and crushed stone in China …
According to the China Aggregates Association (Ministry of Industry and Information Technology of China, 2019), the annual consumption of aggregates in the country …
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Sand and gravel consumption continues to swell: MGB XI
Meanwhile, the MGB XI expressed concern over the increasing consumption of sand and gravel because the annual replenishment of sediments in river bed is not 100 percent. "Even Davao del Norte, they are already thinking not …
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