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Article
Distribution and Formation Causes of PM2.5 and O3 Double High Pollution Events in China during 2013–20
Fine particulate matter (PM2.5) and ozone (O3) double high pollution (DHP) events have occurred frequently over China in recent years, but their causes are not completely clear. In this study, the spatiotemporal ...
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Article
Characteristics and Genesis of Acid Drainage Contamination from a Rock Tunneling Project Site
While acid mine drainage (AMD) issues have become a topic of global concern, few studies have focused on acid drainage problems of non-mining activities. We conducted field research and a series of laboratory ...
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Article
Geochemical characteristics and behaviors of polycyclic aromatic hydrocarbons (PAHs) in soil, water, and sediment near a typical nonferrous smelter
A comprehensive study was conducted to investigate the presence, geochemical characteristics, and behaviors of polycyclic aromatic hydrocarbons (PAHs) in soil, water, and sediment near a typical nonferrous sme...
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Article
Bioavailability and regional transport of PM2.5 during heavy haze episode in typical coal city site of Fenwei Plain, China
Despite the decrease in anthropogenic emissions, haze episodes were still frequent in the Fenwei Plain, which was identified as one of the three key areas for air pollution control. Herein, PM2.5 samples were col...
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Article
Influence of temperature and precipitation on the fate of polycyclic aromatic hydrocarbons: simulation experiments on peat cores from a typical alpine peatland in Central China
The corresponding relationships between temperature, precipitation, and polycyclic aromatic hydrocarbon (PAH) concentration in a typical ombrotrophic peatland in Dajiuhu, Shennongjia, were quantitatively chara...
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Article
Crustal Thermo-Structure and Geothermal Implication of the Huangshadong Geothermal Field in Guangdong Province
Dense distribution of granites and surrounding hot springs, the high anomalous heating rates of geothermal fluids and the high geothermal gradients in shallow crust in Southeast China are revealed by previous ...
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Article
Supergene geochemistry of arsenic and activation mechanism of eucalyptus to arsenic source
Arsenic (As) migration and transformation in the supergene environment and eucalyptus planting have essential effects on ecology or even human health, respectively. However, the combined environmental impact o...
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Article
Mechanism of reservoir-induced seismicity in the **nfengjiang reservoir area, Guangdong, China
Continuous reservoir induced seismicity (RIS) has been observed in the **nfengjiang reservoir (XFJR), Guangdong province, southeast China. However, due to the lack of systematic studies on the lithospheric str...
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Article
Level, source, and distribution of organochlorine pesticides (OCPs) in agricultural soils of Tanzania
This study investigated the level, composition, and spatial and vertical distribution of the organochlorine pesticides (OCPs) at 0–2 cm and 2–20 cm in the agricultural surface soils from Southeastern to Centra...
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Article
Deposition records of polycyclic aromatic hydrocarbons and black carbon in peat core from Dajiuhu, Shennongjia, Central China: human activity imprint since the industrial revolution
Polycyclic aromatic hydrocarbons (PAHs) are a kind of organic pollutants with carcinogenic, teratogenic, and mutagenic effects. This study aims to assess the effects of changes in China’s socio-economic indica...
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Article
Open AccessA method to dynamically constrain black carbon aerosol sources with online monitored potassium
The result of Aethalometer model to black carbon (BC) source apportionment is highly determined by the absorption Ångström exponent (α) of aerosols from fossil fuel combustion (αff) and wood burning (αwb). A meth...
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Article
Open AccessCo-benefits of reducing PM2.5 and improving visibility by COVID-19 lockdown in Wuhan
The less improvement of ambient visibility suspects the government’s efforts on alleviating PM2.5 pollution. The COVID-19 lockdown reduced PM2.5 and increased visibility in Wuhan. Compared to pre-lockdown period,...
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Article
A ~ 40-year paleoenvironmental record from the Swan Oxbow, Yangtze River, China, inferred from testate amoebae and sedimentary pigments
We present a ~ 40–year record of environmental change in the Swan Oxbow, Yangtze River, China, inferred from testate amoeba and sedimentary pigment data, combined with remote sensing and analysis of local soci...
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Article
Assessment of commercial porous polyethylene frit for extraction of polycyclic aromatic hydrocarbons from water
Exploring commercial and inexpensive sorbents for extraction of organic pollutants is still an active area of research. Ultrahigh molecular weight polyethylene sieve plate (UMPESP) is a commercially available,...
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Article
Sub-type source profiles of fine particles for fugitive dust and accumulative health risks of heavy metals: a case study in a fast-develo** city of China
Sub-type source profiles for atmospheric fine particle (PM2.5) were still scare in China, which limited the accurate source identification of it. Fugitive dust (including road dust, soil dust, resuspended dust, a...
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Article
Petrogenesis, Tectonic Evolution and Geothermal Implications of Mesozoic Granites in the Huangshadong Geothermal Field, South China
Mesozoic multi-stage tectono-magmatic events produced widely distributed granitoids in the South China Block. Huangshadong (HSD) is located in south-eastern South China Block, where closely spaced hot springs ...
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Article
The origin of high hydrocarbon groundwater in shallow aquifer: experimental evidences from water-rock interaction
The current studies had already revealed the hydrocarbons could migrate from relatively high hydrocarbon potential stratum to shallow groundwater by corrosion emission and extraction emission in karst area and...
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Article
Size-segregated emission factors and health risks of PAHs from residential coal flaming/smoldering combustion
Residential coal combustion is one of the main sources of ambient polycyclic aromatic hydrocarbons (PAHs). Updating its emission estimation is limited by the shortages of emission factors, especially for them ...
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Article
Arsenic contamination, subsequent water toxicity, and associated public health risks in the lower Indus plain, Sindh province, Pakistan
Arsenic (As) contamination in drinking water is a global public health risk. The present study highlighted the geological and anthropogenic causes of As contamination in groundwater (GW) and surface water (SW)...
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Article
Trace metals in aquatic environments of a mangrove ecosystem in Nansha, Guangzhou, South China: pollution status, sources, and ecological risk assessment
Mangrove forests are widely located along coastlines. They have been identified to be inimitable and dynamic ecosystems. This study investigated the trace metals in mangrove water and surface sediments of Nans...
