Journal article
Sources and Impacts of Atmospheric NH3: Current Understanding and Frontiers for Modeling, Measurements, and Remote Sensing in North America
Current pollution reports, v 1(2), pp 95-116
2015
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Ammonia (NH
3
) contributes to widespread adverse health impacts, affects the climate forcing of ambient aerosols, and is a significant component of reactive nitrogen, deposition of which threatens many sensitive ecosystems. Historically, the scarcity of in situ measurements and the complexity of gas-to-aerosol NH
3
partitioning have contributed to large uncertainties in our knowledge of its sources and distributions. However, recent progress in measurements and modeling has afforded new opportunities for improving our understanding of NH
3
and the role it plays in these important environmental issues. In the past few years, passive measurements of NH
3
have been added to monitoring networks throughout the USA, now in place at more than 60 stations, while mobile measurements aboard aircrafts and vehicles have provide detailed observations during several recent field campaigns. In addition, new remote sensing observations from multiple satellite instruments have begun to provide vast amounts of NH
3
observations throughout the globe. These sources of information have collectively driven new air quality modeling capabilities, by revealing deficiencies in current air quality models and spurring development of mechanistic enhancements to models’ physical representation of the diurnal variability and bidirectional nature of NH
3
fluxes. In turn, these advanced models require further observational constraints, as existing NH
3
measurements are still limited in spatiotemporal coverage. We thus evaluate the potential value of a new geostationary remote sensing instrument (GCIRI) for providing constraints on NH
3
fluxes through multiple Observing System Simulation Experiments (OSSEs).
Metrics
Details
- Title
- Sources and Impacts of Atmospheric NH3: Current Understanding and Frontiers for Modeling, Measurements, and Remote Sensing in North America
- Creators
- Liye Zhu - Colorado State UniversityDaven K. Henze - University of Colorado BoulderJesse O. Bash - US Environmental Protection Agency, Research Triangle Park, Durham, USAKaren E. Cady-Pereira - Atmospheric and Environmental ResearchMark W. Shephard - Environment and Climate Change CanadaMing Luo - Jet Propulsion LabShannon L. Capps - University of Colorado Boulder
- Publication Details
- Current pollution reports, v 1(2), pp 95-116
- Publisher
- Springer International Publishing
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000438853900004
- Scopus ID
- 2-s2.0-85042580596
- Other Identifier
- 991019186778904721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Environmental Sciences
- Public, Environmental & Occupational Health