The spatial distribution of blue carbon in the coastal wetlands of China

Salt marshes comprised the largest area of coastal wetlands in China, but inventories are difficult to obtain for China, and more generally globally as well (e.g., Mcleod et al., 2011 and Duarte et al., 2013 discuss how models predict a global coverage of up to 40 million ha, although only 2.2 million ha has been verified).

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Nation-wide concentration and spatial distribution of …

Areas with low Mn concentrations (< P25) are mainly distributed in the northern and western parts of China, and areas with high-Mn concentrations are mostly distributed in southern, northeastern, and northwestern China. The distribution of Mn throughout mainland China is mainly influenced by mineralization, lithology, geomorphic landscapes and ...

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Geochemical and Sr–Nd–Pb isotopic characteristics of basalt …

During the Late Cretaceous period, massive magmatism occurred in South China. Eastern Hunan Province is situated in the inland part of South China. Comparing with the coastal area, the inland of South China is characterized by the absence of intermediate‐acid intrusive rocks, but the occurrence of multiple mafic rocks. To date, the emplacement and triggering …

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Distribution and genesis of geothermal waters in the …

The eastern margin of the Qinghai-Xizang Plateau (EMQXP), located at the junction of Songpan Ganzi, South China and Sichuan-Yunnan blocks, is one of the strongest areas of Cenozoic tectonic activity in China (Fu, 2009; Chen et al., 2015; Allen et al., 1991).Influenced by the Cenozoic plate interactions, the terrestrial heat flow value in the EMQXP is relatively high …

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Assessment of CO2 mineral storage potential in the …

Before the Cenozoic, the coastal areas of South China were mainly east–west or nearly east–west ancient faults. The Himalayan movement began in the middle and late Eocene. ... According to the division of basalt distribution regions, the CO 2 emission in the east of China close to the coastline is 3.67 Gt, which is the largest one taking 37 ...

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Perfluoroalkyl acids (PFAAs) in water along the entire coastal …

The ocean, which plays a significant role in the global PFAAs cycle, is an important reservoir of these compounds (Dalla Valle et al., 2005).Although the production of some long-chain PFAAs has been banned in most countries, PFAAs are still detected in various environmental media even in polar regions all over the world due to water-soluble PFAAs long …

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Cretaceous coastal mountain building and …

Our results suggest that eastern South China attained a relatively high elevation of >2500 m between 120 and 105 Ma due to isostatic surface uplift associated with crustal thickening, giving rise to a coastal mountain range …

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(PDF) Origin of Northeast Fujian Basalts and …

Cenozoic basalts in the coastal area of SE China are exposed along a NE orientation from the coast to inland. The Cenozoic basalts mainly …

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Geochemical and Sr–Nd–Pb isotopic characteristics of basalt …

During the Late Cretaceous period, massive magmatism occurred in South China. Eastern Hunan Province is situated in the inland part of South China. Comparing with the coastal area, the inland of South China is characterized by the absence of intermediate‐acid intrusive rocks, but the occurrence of multiple mafic rocks.

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Perfluoroalkyl acids in rapidly developing coastal areas of China …

The Bohai and Yellow Sea is a semi-enclosed sea neighboring Northeast China and Korean Peninsula, which encompasses the most rapidly developing coastal areas in both countries. More than 22% of China's total population is located in this coastal area, which occupies approximately 13% of the country's total land area (Liu et al., 2020). South ...

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Properties of Basalt Fiber Core Rods and Their Application in …

1. Introduction. Composite cross arms are widely used in coastal and mountainous areas due to their light weight, high strength, ease of installation and replacement and significant improvement of the lightning protection performance of the lines [1,2]posite cross arms are composed of a silicone rubber shed, composite core rod and an end metal attachment.

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Geochemistry of late Miocene-Pleistocene basalts from a coastal area …

The South China Sea ... we study basalts in the cross-section from Ly Son Island to Quang Ngai coastal areas (thereafter the coastal basalt) at Binh Chau, Sa Ky ... -forming minerals. Notably, different basalt from discrete areas forms distinct fields, including samples from a small distribution area like the Ly Son Island (Fig. 1a ...

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Ecosystem vulnerability to extreme climate in coastal areas of China

China's coastal areas are located between the western Pacific Ocean and Eurasia, between 104°26'E and 125°47'E and 3°20'N and 43°29'N. The land area of China's coastal areas covers approximately 1.3 million km 2, accounting for approximately 14% of the national land area.The natural conditions of China's coastal regions are complex, consisting of marine and …

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The temporal and spatial distribution of volcanism in the …

In the coastal area of South China, there are also several small basins formed by Cenozoic rifting, e.g. Sanshui Basin, Heyuan Basin and Lianpin Basin (Fig. 1). The Sanshui …

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Subsurface salinity distribution and evolution in low …

DOI: 10.1016/j.jhydrol.2022.128250 Corpus ID: 251141340; Subsurface salinity distribution and evolution in low-permeability coastal areas after land reclamation: Field investigation

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Late Cretaceous basalts in the eastern South China Block: …

The basalt samples in the coastal regions of SCB show large variations in 87 Sr/ 86 Sr ... the distribution of arc-like coastal basalts and inland transitional basalts reflect spatial heterogeneity of mantle sources ... plutons along the Fujian coastal area of southeastern China: Implications for magma evolution related to slab break-off and ...

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Source characteristics of basalts in Sanshui Basin and the …

It is an important issue in the study of the origin of the South China Sea (SCS) whether the SCS evolved in an intracontinental rift stage before its opening up. The Sanshui …

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Heavy metal migration and lithium isotope fractionation …

Heavy metal migration and lithium isotope fractionation under extreme weathering of basalt on tropical Hainan Island, China. Author links open overlay panel Weihua Wu a, Yiting Guan a, Werner Nel b, Chengxiao Xu a. Show more. ... to the surrounding coastal areas (1000 mm) and rainfall in August (∼300 mm) is an order of magnitude higher than ...

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Cretaceous coastal mountain building and potential impacts …

Arc basalt composition varies as a function of ... mafic magmas are less abundant and confined to the coastal area. They are subalkaline and belong to the calc ... S. A. Gilder, G. R. Keller, M. Luo, P. C. Goodell, Eastern Asia and the Western Pacific timing and spatial distribution of rifting in China. Tectonophysics 197, 225–243 ...

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Spatial distinction analysis on marine ranch development …

The regional differences in the central coastal areas of China were not significant, and the development potentials of marine ranching in ten provinces and urban areas were all medium. ... Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. References [1] She Y A ...

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Review of drivers and threats to coastal groundwater quality in China

The SWI area in China's coastal areas exceeds 16,000 km 2 (State Oceanic Administration, 2012), which is mainly distributed along the coast of the Bohai Sea (Fig. 3). SWI has occurred along more than 90% of the coastline around Bohai Bay, with the maximum intrusion distance more than 43 km inland from coast, at Laizhou Bay ( Yu et al., 2021 ).

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Morphology and geochemistry of zircons from late Mesozoic …

A review of the geochronology and geochemistry of Late Yanshanian (Cretaceous) plutons along the Fujian coastal area of southeastern China: Implications for magma evolution related to slab break-off and rollback in the Cretaceous. Earth-Science Reviews, Vol. 128, Issue., p.

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Spatio-temporal variation in quartz luminescence sensitivity …

The main types of rock on the eastern coast of Fujian Province are igneous granite and basalt (Ma et al., 2016, Wang, 1990). The QFT sampling area was dominated by granite, whereas the DS sampling area was dominated by andesite or andesite clastic tuff, which is a neutral ejecta rock.

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Cenozoic volcanic rocks in the Pearl River Mouth and …

The distribution area of the Cenozoic volcanic rocks in northern South China Sea and periphery land regions includes the southern coastal area of Fujian, Leiqiong peninsula of Guangdong, north of Hainan Island, the Northern Gulf Basin, Weizhou island of Guangxi Beihai, Vietnam and the South China Sea [3 10], among them most are intermediate ...

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Temporal and spatial distribution of compound flood potential in China

China is one of the world's fastest-growing coastal countries. China's coastal low-lying areas (less than 10 m above sea level) account for only 2 % of the country's land area but are home to more than 12 % of the country's population (Liu et al., 2015).More than 40 % of the population resides in coastal provincial administrative regions, which contribute nearly 60 % of …

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BG

Abstract. The southeastern coastal region is one of the most developed and populated areas in China. Meanwhile, it has been severely impacted by acid rain over many years. The chemical compositions and carbon isotope compositions of dissolved inorganic carbon (δ13CDIC) in river water in the high-flow season were investigated to estimate the chemical weathering and …

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Crustal structure and deep geotherm of the Pearl River Delta …

Zhou et al. (2020a) constrained the spatial distribution of the top of the LVL in the coastal areas of South China by analyzing the seismic wave receiver function and believed there was a large amount of fluid released by plate dehydration.

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Contributions of Asian dust to subtropical soils of Southeast China

Purpose China is not only a main source area of Asian dust but also a significantly affected area of dust deposition in the world. However, the influence range of Asian dust deposition and its influence on soil provenance remains unclear, particularly in subtropical regions. This study identified the substantial effect of Asian dust on soils and quantified its …

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Origin of Northeast Fujian Basalts and Limitations …

Cenozoic magmatism mainly produces mafic volcanic rocks, e.g., basalts, whose distribution is controlled by Zhenghe–Dapu and Changle–Nan'ao faults with NE strikes (Figure 1b). Cenozoic basalts in the coastal area of SE …

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Distribution of dinoflagellate cysts in the modern sediments …

In this way, cystic abundance indirectly influences the toxin content present in a monitored area (McGillicuddy et al., 2011).According to Satta et al. (2013) a major factor in the occurrence and spread of toxic blooms is dinoflagellate cysts, therefore their distribution and abundance can be used as a reliable predictor of toxic bloom formation, particularly in semi …

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Properties of Basalt Fiber Core Rods and Their

Polymers 2022, 14, 2443 2 of 15 an important fiber material in industrial production [7–9]. Many studies have confirmed that basalt fiber and its composites have better mechanical properties ...

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Distribution, partitioning behavior and positive matrix …

Distribution, partitioning ... In addition, the concentration of ∑PFAS in CABB was higher than those from coastal areas in China in previous studies, including those in the Bohai Sea (n.d.-4.3 ng/g dw) and Hong Kong marine sediment (0.10–1.59 ng/g dw) (Wang et al., 2011; Loi et al., 2013).

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Spatial distribution and concentrations of salt fogs in a coastal …

On Salt Fog in the Near-Surface Atmosphere and its Distribution in Coastal Areas of China (1982), pp. 15-20. 04. Google Scholar [5] ... Chloride diffusion behavior and microstructure of basalt-polypropylene hybrid fiber reinforced concrete in salt spray environment. Construct. Build. Mater., 324 (2022) Google Scholar

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Coastal upward discharge of deep basalt groundwater …

According to investigations of the geology of metasilicate mineral water areas in China, such a high H 2 SiO 3 content is rare in aquifers composed of sandstones and mostly occurs in silicate aquifers (e.g., basalt and granite aquifers with major faults) (Supplementary Table 8). The reaction of confined groundwater with rocks primarily occurs ...

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Geochemical and Sr–Nd–Pb isotopic …

The spatial and temporal distribution and variation of components of basalt in South China indicated a mantle plume model which is derived from the 670 km thermal boundary layer (670 TBL) between the lower and upper …

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Geological Characteristics and Distribution of Granite …

The southeast coastal areas in China have distributed lots of granite outcrops of different periods. Previous research has shown that granite geothermal reservoirs are also ... In these areas, the distribution of reservoir is mainly controlled by NE-trending FIGURE 1 | The granite distribution map of the study area (Modified after Zhang et al ...

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Distribution and Ecological Risk Assessment of …

As urbanization accelerates, a growing influx of pollutants enters the sea through land runoff, posing a threat to coastal ecosystems. In this study, we systematically determined the concentrations of nutrients and heavy metals …

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Area, distribution and species composition of mangroves in China

Large areas of mangroves are distributed along the coast of China, and many studies have monitored the distribution range of mangroves in China [20][21][22][23][24][25][26][27][28][29][30][31] [32 ...

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