期刊
AMBIO
卷 42, 期 1, 页码 13-28出版社
SPRINGER
DOI: 10.1007/s13280-012-0343-9
关键词
Air pollution; Marine pollution; Coastal zone management; Deposition; Ozone; Harmful algal blooms
资金
- International Geosphere-Biosphere Programme (IGBP)
- Scientific Committee on Oceanic Research (SCOR)
- Surface Ocean and Lower Atmosphere Studies programme (SOLAS)
- International Global Atmospheric Chemistry proect (IGAC)
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [1208862] Funding Source: National Science Foundation
- Natural Environment Research Council [dml011001] Funding Source: researchfish
- NERC [dml011001] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [23241001, 24651002] Funding Source: KAKEN
Megacities are not only important drivers for socio-economic development but also sources of environmental challenges. Many megacities and large urban agglomerations are located in the coastal zone where land, atmosphere, and ocean meet, posing multiple environmental challenges which we consider here. The atmospheric flow around megacities is complicated by urban heat island effects and topographic flows and sea breezes and influences air pollution and human health. The outflow of polluted air over the ocean perturbs biogeochemical processes. Contaminant inputs can damage downstream coastal zone ecosystem function and resources including fisheries, induce harmful algal blooms and feedback to the atmosphere via marine emissions. The scale of influence of megacities in the coastal zone is hundreds to thousands of kilometers in the atmosphere and tens to hundreds of kilometers in the ocean. We list research needs to further our understanding of coastal megacities with the ultimate aim to improve their environmental management.
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