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  11. Comparative Analysis Of Atmospheric Trace Elements Pollution In Beijing And Haikou: Sources, Transport And Local Emissions

Comparative analysis of atmospheric trace elements pollution in Beijing and Haikou: Sources, transport and local emissions

Shuhan Liu1, Jing Liu1, Yuxiao Li1

  • 1State Key Laboratory of Marine Resources Utilization in South China Sea, School of Marine Sciences, Hainan University, Haikou 570228, China.

Journal of Hazardous Materials
|January 21, 2026

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View abstract on PubMed

Summary
This summary is machine-generated.

Atmospheric trace elements (ATEs) are higher in Beijing than Haikou due to industrial and transport emissions. Haikou

Area of Science:

  • Environmental Science
  • Atmospheric Chemistry
  • Pollution Studies

Background:

  • Atmospheric trace elements (ATEs) pose significant environmental and health risks due to their toxicity and persistence.
  • Understanding the sources and spatial distribution of ATEs is crucial for effective pollution control.
  • Cities like Beijing (inland) and Haikou (island) present distinct geographical contexts for ATEs pollution analysis.

Purpose of the Study:

  • To compare atmospheric trace element concentrations and pollution sources between Beijing and Haikou.
  • To identify the primary drivers of ATEs pollution in these contrasting urban environments.
  • To elucidate seasonal variations and regional transport influences on ATEs in northern and southern China.

Main Methods:

  • Integrated approach combining online monitoring, receptor modeling, and emission inventory analysis.
Keywords:
Atmospheric trace elementsEmission inventoryRegional transportSource apportionment

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  • Comparative analysis of ATEs concentrations and source apportionment in Beijing and Haikou.
  • Assessment of seasonal patterns and contributions from local, regional, and transboundary sources.

    • Main Results:

    • Beijing exhibited higher overall ATEs concentrations than Haikou, driven by local industrial/traffic emissions and North China dust.
    • Haikou showed unique elevations in Vanadium (V) and Nickel (Ni), primarily linked to shipping emissions (>50%).
    • Seasonal ATEs peaks differed: Beijing in spring/autumn, Haikou in autumn/winter, influenced by regional transport (oceanic shipping, South Asian biomass burning).

    Conclusions:

    • Divergent patterns and mechanisms of ATEs pollution exist between inland northern (Beijing) and island southern (Haikou) China.
    • Shipping emissions are a critical, often underestimated, source of V and Ni pollution in coastal cities.
    • Integrated methodologies improve source apportionment reliability, informing region-specific pollution control strategies.
    Temporal variation