首页|A review on global spatial distribution,sources and toxicity of perfluoroalkyl acid and prospect in the cryosphere

A review on global spatial distribution,sources and toxicity of perfluoroalkyl acid and prospect in the cryosphere

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Perfluoroalkyl acid analogs(PFAAs)are a class of chemically stable environmentally persistent organic pollutants(POPs)that are difficult to degrade and have a strong capacity to accumulate in the human body.PFAAs have been found to be biotoxic to humans and have been detected in various environmental media,especially in the cryosphere at trace concentrations.The cryosphere,sensitively responds to climate change,plays a crucial role in the global water,carbon and energy cycles.However,researches on cryosphere PFAAs especially in Tibetan Plateau(TP)is limited.Therefore,we summarize the physicochemical properties,physiological toxicity,spatiotemporal distribution,sources,diffusion and migration pathways,as well as analysis and removal methods of PFAAs in the cryosphere regions.The results show that PFAAs pollutants are mainly produced and distributed in the more economically developed countries in Europe and the United States,as well as in East Asia,and PFAAs can be transported by atmospheric circulation and water cycle to remote regions including cryosphere regions.The current detection methods for PFAAs in cryosphere need to be further refined for increased accuracy and convenience.There is also a need to develop more effective removal methods that will reduce the environmental and human threats posed by these PFAAs.Finally,we propose key scientific questions for future research in cryosphere including PFAAs redistribution influenced by cryosphere changes,human activities,and the interaction of other spheres.

Perfluoroalkyl acidCryospherePhysiological toxicityAnalytical methodRemoval method

LI Bowen、Du Wentao、KANG Shichang、CHEN Jizu、JIANG Youyan、YIN Lichen、LU Changsheng、LIU Hongyi

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State Key Laboratory of Cryospheric Science and frozen soil engineering,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences(CAS),Lanzhou 730000,China

University of Chinese Academy of Sciences,Beijing 100049,China

Gansu Provincial Industry Technology Center of Intelligent Equipment and Big Data for Disaster Prevention,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences(CAS),Lanzhou 730000,China

Lanzhou Regional Climate Center,Lanzhou 730000,China

School of Earth Sciences and Spatial Information Engineering,Hunan University of Science and Technology,Xiangtan 411201,China

School of Energy and Power Engineering,Lanzhou University of Technology,Lanzhou 730000,China

Zhangye Meteorological Service,Zhangye 734000,China

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2025

10.1007/s11629-024-9029-6

山地科学学报(英文版)
中国科学院水利部成都山地灾害与环境研究所

山地科学学报(英文版)

影响因子：0.228
ISSN：1672-6316
年,卷(期)：2025.22(1)