Amy Stephens

Alkaline air: changing perspectives on nitrogen and air pollution in an ammonia-rich world

Mark A. Sutton, Netty van Dijk, Peter Levy et al. · Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences · 2020 · 71 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +14

Intercomparison of in situ measurements of ambient NH ₃ : instrument performance and application under field conditions

Marsailidh Twigg, A. J. Berkhout, Nicholas Cowan et al. · Atmospheric measurement techniques · 2022 · 45 citations · Full text

Engineering, Environmental Sciences, Air Pollution +15

Nitrogen use efficiency and N ₂ O and NH ₃ losses attributed to three fertiliser types applied to an intensively managed silage crop

Nicholas Cowan, Peter Levy, Andrea Móring et al. · Biogeosciences · 2019 · 30 citations · Full text

Agriculture, Agronomy, Soil Sciences +17

4D‐Var Inversion of European NH ₃ Emissions Using CrIS NH ₃ Measurements and GEOS‐Chem Adjoint With Bi‐Directional and Uni‐Directional Flux Schemes

Hansen Cao, Daven K. Henze, Liye Zhu et al. · Journal of Geophysical Research Atmospheres · 2022 · 28 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +13

Validation of ammonia diffusive and pumped samplers in a controlled atmosphere test facility using traceable Primary Standard Gas Mixtures

Nicholas A. Martin, Valerio Ferracci, Nathan Cassidy et al. · Atmospheric Environment · 2018 · 25 citations · Full text

Natural Sciences, Meteorology, Analytical Chemistry +15