Explanipedia

Lidar‐Based Observations of Pollen Above a Mixed Hardwood Forest in the United States Open

Allison L. Steiner, M. C. Wozniak, Yingxiao Zhang, Andrew P. Ault, E. A. Kort , et al. · 2025

We present lidar (LIght Detection And Ranging) and particle measurements from a mixed hardwood forest in northern Michigan over a 74‐day period in April–July 2016, capturing the peak spring tree pollen emissions season. Mini Micropulse Lid…

Diffuse Fertilization or Lack Thereof: A Multisite Synthesis of Water and Carbon Fluxes Open

E Schwartz, G. Keppel‐Aleks, Allison L. Steiner · 2025

Aerosols or clouds in the atmosphere scatter incoming shortwave radiation and increase diffuse radiation. At the Earth's surface, diffuse radiation can penetrate deeper into vertically complex vegetation. Leaf photosynthesis and transpirat…

Chronic and infectious respiratory mortality and short-term exposures to four types of pollen taxa in older adults in Michigan, 2006-2017 Open

Peter S. Larson, Allison L. Steiner, Marie S. O’Neill, Alan P. Baptist, Carina J. Gronlund · 2025

Introduction Levels of plant-based aeroallergens are rising as growing seasons lengthen and intensify with anthropogenic climate change. Increased exposure to pollens could increase risk for mortality from respiratory causes, particularly …

Pollen effects in a changing climate: Ragweed pollen exposure and sleepiness in immunotherapy patients of a Southeastern Michigan allergy clinic Open

Peter S. Larson, Allison L. Steiner, Erica Bennion, Alan P. Baptist, Marie S. O’Neill , et al. · 2024

Chemical Insights into the Molecular Composition of Organic Aerosols in the Urban Region of Houston, Texas Open

Tania Gautam, Gregory W. Vandergrift, Nurun Nahar Lata, Zezhen Cheng, Ashfiqur Rahman , et al. · 2024

Molecular functional groups such as organosulfates (CHOS) and organonitrates (CHNO) are important tracers for field observations of secondary organic aerosols (SOA). While CHOS and CHNO species are prevalent in the atmosphere, there is a l…

Soil Moisture, Soil NOx and Regional Air Quality in the Agricultural Central United States Open

Daniel E. Huber, E. A. Kort, Allison L. Steiner · 2024

Agricultural soils containing nitrogen‐rich fertilizers are a substantial source of reactive nitrogen to the atmosphere with potential to impact air quality. One form of reactive nitrogen, nitrogen oxides (NOx = NO + NO 2 ), are a harmful …

Impact of electric and clean-fuel vehicles on future PM<sub>2.5</sub> and ozone pollution over Delhi Open

Caterina Mogno, Timothy J. Wallington, Paul I. Palmer, Haseeb Hakkim, Baerbel Sinha , et al. · 2024

We investigate the impact of adoption of electric vehicles and cleaner fuels on future surface levels of PM 2.5 and ozone over Delhi for two contrasting seasons, pre-monsoon and post-monsoon. We run the WRF-Chem atmospheric transport model…

Effects of Pollen on Hydrometeors and Precipitation in a Convective System Open

Yingxiao Zhang, Tamanna Subba, Brianna H. Matthews, Claire Pettersen, Sarah D. Brooks , et al. · 2024

Anemophilous (wind‐driven) pollen is one type of primary biological aerosol particle, which can rupture under high humidity conditions and form smaller sub‐pollen particles (SPPs). Both pollen and SPPs can reach the upper troposphere under…

 Simulations of pollen in North American and their influence on climate Open

Allison L. Steiner, Yingxiao Zhang, Jordan Schnell, Sarah D. Brooks · 2024

Pollen is one type of bioaerosol emitted in large quantities from many northern hemisphere vegetation types and has known impacts on human health and climate. A pollen emissions model accounting for 13 of the most prevalent types of pollen…

Research into land atmosphere interactions supports the sustainable development agenda Open

Garry Hayman, Benjamin Poulter, Sachin D. Ghude, Eleanor Blyth, Vinayak Sinha , et al. · 2024

Non-technical summary Greenhouse gas emissions and land use change – from deforestation, forest degradation, and agricultural intensification – are contributing to climate change and biodiversity loss. Important land-based strategies such …

Effects of the Million Hearts Model on Myocardial Infarctions, Strokes, and Medicare Spending Open

Laura Blue, Keith Kranker, Amanda R. Markovitz, Rhea E. Powell, Malcolm Williams , et al. · 2023

Importance The Million Hearts Model paid health care organizations to assess and reduce cardiovascular disease (CVD) risk. Model effects on long-term outcomes are unknown. Objective To estimate model effects on first-time myocardial infarc…

Controls of Variability in the Laurentian Great Lakes Terrestrial Water Budget Open

Samar Minallah, Allison L. Steiner, V. Y. Ivanov, Andrew W. Wood · 2023

The land surface hydrology of the North American Great Lakes region regulates ecosystem water availability, lake levels, vegetation dynamics, and agricultural practices. In this study, we analyze the Great Lakes terrestrial water budget us…

Science Plan for the Deployment of the Third ARM Mobile Facility to the Southeastern United States at the Bankhead National Forest, Alabama (AMF3 BNF) Open

Chongai Kuang, Scott Giangrande, Shawn Serbin, Gregory S. Elsaesser, Pierre Gentine , et al. · 2023

In 2018, the U.S. Department of Energy (DOE) held a workshop for the Atmospheric Radiation Measurement (ARM) (Mather and Voyles 2013) user facility to discuss critical climate challenges and locations where key ARM Mobile Facility (AMF) ob…

Atmospheric dry and wet deposition of total phosphorus to the Great Lakes Open

Mary M. Lynam, Lunia Oriol, Taylor Mann, J. Timothy Dvonch, James A. Barres , et al. · 2023

Biological particles and aerosol-cloud interactions in the Southern Great Plains (Final Report) Open

Allison L. Steiner · 2023

The United States Southern Great Plains (SGP) is the genesis for much of the warm season precipitation in the central and eastern United States. While atmospheric thermodynamics and large-scale dynamics play an important role in formation …

Biological particles and aerosol-cloud interactions in the Southern Great Plains Open

Allison L. Steiner · 2023

The United States Southern Great Plains (SGP) is the genesis for much of the warm season precipitation in the central and eastern United States. While atmospheric thermodynamics and large-scale dynamics play an important role in formation …

Allergy season is getting more intense with climate change – we’re creating better pollen forecasts to help Open

Yingxiao Zhang, Allison L. Steiner · 2023

Sensitivity of Modeled Soil NOx Emissions to Soil Moisture Open

Daniel E. Huber, Allison L. Steiner, E. A. Kort · 2023

As emissions of nitrogen oxides (NOx) from fossil fuel combustion decrease, the relative contribution of NOx emissions from managed and unmanaged soils (S NOx ) is increasing. Modeling S NOx presents a challenge as it requires proper chara…

Simulating the Transport and Rupture of Pollen in the Atmosphere Open

Tamanna Subba, Yingxiao Zhang, Allison L. Steiner · 2023

Pollen, one type of primary biological aerosol particle (PBAP), is emitted from the terrestrial biosphere and can undergo physical changes in the atmosphere via particle rupture. To examine the fate of pollen and its atmospheric processing…

Simulating the impacts of pollen on cloud formation by heterogeneous ice nucleation Open

Yingxiao Zhang, Tamanna Subba, Brianna N. Hendrickson, Sarah D. Brooks, Allison L. Steiner · 2023

Primary biological aerosol particles (PBAPs) are emitted from Earth’s biosphere, including pollen, fungal spores, virus, bacteria, and plant debris. PBAPs are linked to adverse health effects and have the potential to influence ice n…

Tradeoffs in forest resilience to satellite-based estimates of water and productivity losses Open

Juan M. Requena‐Mullor, Allison L. Steiner, G. Keppel‐Aleks, Inés Ibáñez · 2022

Pollen season is getting longer and more intense with climate change – here’s what allergy sufferers can expect in the future Open

Yingxiao Zhang, Allison L. Steiner · 2022

Projected climate-driven changes in pollen emission season length and magnitude over the continental United States Open

Yingxiao Zhang, Allison L. Steiner · 2022

Transport-driven aerosol differences above and below the canopy of a mixed deciduous forest Open

Alexander A. T. Bui, H. W. Wallace, Sarah Kavassalis, Hariprasad D. Alwe, James Flynn , et al. · 2021

Exchanges of energy and mass between the surrounding air and plant surfaces occur below, within, and above a forest's vegetative canopy. The canopy also can lead to vertical gradients in light, trace gases, oxidant availability, turbulent …

FORest Canopy Atmosphere Transfer (FORCAsT) 2.0: model updates and evaluation with observations at a mixed forest site Open

Dandan Wei, Hariprasad D. Alwe, Dylan B. Millet, Brandon Bottorff, Michelle M. Lew , et al. · 2021

The FORCAsT (FORest Canopy Atmosphere Transfer) model version 1.0 is updated to FORCAsT 2.0 by implementing five major changes, including (1) a change to the operator splitting, separating chemistry from emission and dry deposition, which …

Making MUSICA: The Multi-Scale Infrastructure for Chemistry and Aerosols Open

Gabriele Pfister, Sebastian D. Eastham, Avelino F. Arellano, Bernard Aumont, Kelley C. Barsanti , et al. · 2021

Lag associations of four types of pollens with respiratory mortality in Michigan 2006-2021 Open

Peter S. Larson, Carina J. Gronlund, Marie S. O’Neill, Allison L. Steiner, Alan P. Baptist · 2021

BACKGROUND AND AIM: Research on associations between pollen and mortality from respiratory-related causes, such as pneumonia and chronic obstructive pulmonary disease (COPD), is limited. Levels of plant-based aeroallergens such as common r…

Estimation of Possible Primary Biological Particle Emissions and Rupture Events at the Southern Great Plains ARM Site Open

Tamanna Subba, Michael J. Lawler, Allison L. Steiner · 2021

We use 10 years of data from the Department of Energy (DoE) Atmospheric Radiation Measurements (ARM) United States Southern Great Plains (SGP) site with nearby regional pollen and fungal spore measurements to indirectly estimate the season…

Comment on acp-2021-384 Open

Alexander A. T. Bui, H. W. Wallace, Sarah Kavassalis, Hariprasad D. Alwe, James Flynn , et al. · 2021

Abstract. Exchanges of energy and mass between the surrounding air and plant surfaces occur below, within, and above a forest's vegetative canopy. The canopy also can lead to vertical gradients in light, trace gases, oxida…

Lake Spray Aerosol Emissions Alter Nitrogen Partitioning in the Great Lakes Region Open

Anahita Amiri‐Farahani, Nicole E. Olson, David Neubauer, Behrooz Roozitalab, Andrew P. Ault , et al. · 2021

We develop an improved, wind‐driven lake spray aerosol (LSA) emissions parameterization that resolves particle size and size‐independent chemical composition, and investigate the impact of these emissions on regional chemistry in the Great…

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