ArticleACS ES&T air2025
Biogenic Volatile Organic Compounds from Pennsylvanian Lakes Sampled during the 2024 Algal Bloom Season.
Article in ACS ES&T air, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
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Who cites it
1 citing paper in PubMed.
- Behavior of Water-to-Air Trace Gas Exchange for Ammonia and Amines at Low Wind Speeds Using Chemical Ionization Mass Spectrometry.ACS earth & space chemistry · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biogenic volatile organic compounds (BVOCs) emitted from aquatic systems are increasingly recognized for their influence on atmospheric chemistry. However, emissions from freshwater environments, specifically during harmful algal bloom (HAB) events, remain poorly quantified. These HAB events are increasing globally in frequency and intensity, driven by climate change, nutrient runoff, and land-use changes. This study investigates the water-to-air gas exchange rates of BVOCs from southwestern Pennsylvanian freshwater lakes during peak HAB conditions, with a focus on nitrogen-containing compounds that are typically underrepresented in atmospheric measurements. Using atmospheric pressure, hydronium chemical ionization mass spectrometry (CIMS), we measured BVOC emissions from 18 lake samples in the laboratory, capturing real-time fluxes of 900 unique masses. Ammonia, pyrroline, and pyridine consistently exhibited the highest emission fluxes across samples. Alkylamines were less abundant, although they remain atmospherically important due to their role in new particle formation. These results represent the first reported real-time freshwater flux measurements of alkylamines, pyrroline, and pyridine, offering new insight into the atmospheric implications of HABs. Notably, no clear correlation was observed between BVOC fluxes and chlorophyll
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