ArticleInternational journal of biometeorology2014
Climate change effect on Betula (birch) and Quercus (oak) pollen seasons in the United States.
Article in International journal of biometeorology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
20 citing papers in PubMed, 2 syntheses or guidelines pooled it, 80 citations in OpenAlex.
- A systematic review of the effects of temperature and precipitation on pollen concentrations and season timing, and implications for human health.International journal of biometeorology · 2021Pooled it
- Short term physician visits and medication prescriptions for allergic disease associated with seasonal tree, grass, and weed pollen exposure across the United States.Environmental health : a global access science source · 2021Pooled it
- Drastic reduction in the intensity of Poaceae pollen season in Central Europe (Lublin, Poland) in 22 years.PloS one · 2025Article
- Germplasm Resources of Oaks (Biology · 2022Review
- Pollen Allergy in a Changing Planetary Environment.Allergy, asthma & immunology research · 2022Review
- Increased duration of pollen and mold exposure are linked to climate change.Scientific reports · 2021Article
- Analysis of changes in Betula pollen season start including the cycle of pollen concentration in atmospheric air.PloS one · 2021Article
- Influence of climate change on flowering season of birch in the Czech Republic.International journal of biometeorology · 2020Article
- Impact of weather and climate change with indoor and outdoor air quality in asthma: A Work Group Report of the AAAAI Environmental Exposure and Respiratory Health Committee.The Journal of allergy and clinical immunology · 2019Review
- Article
- Pollen calendars and maps of allergenic pollen in North America.Aerobiologia · 2019Article
- Herbarium specimens reveal substantial and unexpected variation in phenological sensitivity across the eastern United States.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2018Article
- Impact of Climate Change on Pollen and Respiratory Disease.Current allergy and asthma reports · 2018Review
- Does the increase in ambient COInternational journal of biometeorology · 2018Article
- Prevalence of pollen-induced allergic rhinitis with high pollen exposure in grasslands of northern China.Allergy · 2018Article
- Impacts of oak pollen on allergic asthma in the United States and potential influence of future climate change.GeoHealth · 2017Article
- Climate change: consequences on the pollination of grasses in Perugia (Central Italy). A 33-year-long study.International journal of biometeorology · 2017Article
- Pollen Season Trends (1973-2013) in Stockholm Area, Sweden.PloS one · 2016Article
- The associations between daily spring pollen counts, over-the-counter allergy medication sales, and asthma syndrome emergency department visits in New York City, 2002-2012.Environmental health : a global access science source · 2015Article
- Predicting Onset and Duration of Airborne Allergenic Pollen Season in the United States.Atmospheric environment (Oxford, England : 1994) · 2015Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Climatic change is expected to affect the spatiotemporal patterns of airborne allergenic pollen, which has been found to act synergistically with common air pollutants, such as ozone, to cause allergic airway disease (AAD). Observed airborne pollen data from six stations from 1994 to 2011 at Fargo (North Dakota), College Station (Texas), Omaha (Nebraska), Pleasanton (California), Cherry Hill and Newark (New Jersey) in the US were studied to examine climate change effects on trends of annual mean and peak value of daily concentrations, annual production, season start, and season length of Betula (birch) and Quercus (oak) pollen. The growing degree hour (GDH) model was used to establish a relationship between start/end dates and differential temperature sums using observed hourly temperatures from surrounding meteorology stations. Optimum GDH models were then combined with meteorological information from the Weather Research and Forecasting (WRF) model, and land use land coverage data from the Biogenic Emissions Land use Database, version 3.1 (BELD3.1), to simulate start dates and season lengths of birch and oak pollen for both past and future years across the contiguous US (CONUS). For most of the studied stations, comparison of mean pollen indices between the periods of 1994-2000 and 2001-2011 showed that birch and oak trees were observed to flower 1-2 weeks earlier; annual mean and peak value of daily pollen concentrations tended to increase by 13.6%-248%. The observed pollen season lengths varied for birch and for oak across the different monitoring stations. Optimum initial date, base temperature, and threshold GDH for start date was found to be 1 March, 8 °C, and 1,879 h, respectively, for birch; 1 March, 5 °C, and 4,760 h, respectively, for oak. Simulation results indicated that responses of birch and oak pollen seasons to climate change are expected to vary for different regions.
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What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.