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DOI10.1073/pnas.2013284118
Anthropogenic climate change is worsening North American pollen seasons
Anderegg W.R.L.; Abatzoglou J.T.; Anderegg L.D.L.; Bielory L.; Kinney P.L.; Ziska L.
发表日期2021
ISSN00278424
卷号118期号:7
英文摘要Airborne pollen has major respiratory health impacts and anthropogenic climate change may increase pollen concentrations and extend pollen seasons. While greenhouse and field studies indicate that pollen concentrations are correlated with temperature, a formal detection and attribution of the role of anthropogenic climate change in continental pollen seasons is urgently needed. Here, we use long-term pollen data from 60 North American stations from 1990 to 2018, spanning 821 site-years of data, and Earth system model simulations to quantify the role of human-caused climate change in continental patterns in pollen concentrations. We find widespread advances and lengthening of pollen seasons (+20 d) and increases in pollen concentrations (+21%) across North America, which are strongly coupled to observed warming. Human forcing of the climate system contributed ∼50% (interquartile range: 19–84%) of the trend in pollen seasons and ∼8% (4–14%) of the trend in pollen concentrations. Our results reveal that anthropogenic climate change has already exacerbated pollen seasons in the past three decades with attendant deleterious effects on respiratory health. © 2021 National Academy of Sciences. All rights reserved.
英文关键词Climate change | respiratory health | detection | attribution | Earth system model
语种英语
scopus关键词article; climate change; controlled study; human; North America; season; simulation; warming
来源期刊Proceedings of the National Academy of Sciences of the United States of America
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/180630
作者单位School of Biological Sciences, University of Utah, Salt Lake City, UT 84112, United States; Management of Complex Systems Department, University of California, Merced, CA 95343, United States; Department of Integrative Biology, University of California, Berkeley, CA 94720, United States; Department of Evology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, United States; Center for Environmental Prediction, Rutgers University, New Brunswick, NJ 08854, United States; Department of Medicine, Allergy and Immunology and Ophthalmology, Hackensack Meridian School of Medicine, Nutley, NJ 07110, United States; New Jersey Center for Science, Technology and Mathematics, Kean University, Union, NJ 07083, United States; School of Public Health, Boston University, Boston, MA 02118, United States; Mailman School of Public Health, Columbia University, New York, NY 10032, United States
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Anderegg W.R.L.,Abatzoglou J.T.,Anderegg L.D.L.,et al. Anthropogenic climate change is worsening North American pollen seasons[J],2021,118(7).
APA Anderegg W.R.L.,Abatzoglou J.T.,Anderegg L.D.L.,Bielory L.,Kinney P.L.,&Ziska L..(2021).Anthropogenic climate change is worsening North American pollen seasons.Proceedings of the National Academy of Sciences of the United States of America,118(7).
MLA Anderegg W.R.L.,et al."Anthropogenic climate change is worsening North American pollen seasons".Proceedings of the National Academy of Sciences of the United States of America 118.7(2021).
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