Articles | Volume 18, issue 3
https://doi.org/10.5194/essd-18-2349-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-2349-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| 
30 Mar 2026
Data description article |
| 30 Mar 2026
| 30 Mar 2026
A framework for gridded estimates of ammonia emissions from agriculture in South Asia
UK Centre for Ecology & Hydrology, Library Ave, Bailrigg, Lancaster, UK
Edward J. Carnell
UK Centre for Ecology & Hydrology, Bush Estate, Edinburgh Research Station, Edinburgh, UK
Clare Pearson
UK Centre for Ecology & Hydrology, Bush Estate, Edinburgh Research Station, Edinburgh, UK
Mark A. Sutton
UK Centre for Ecology & Hydrology, Bush Estate, Edinburgh Research Station, Edinburgh, UK
Niveta Jain
ICAR-Indian Agricultural Research Institute, New Delhi, India
Ulrike Dragosits
UK Centre for Ecology & Hydrology, Bush Estate, Edinburgh Research Station, Edinburgh, UK
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Pooja V. Pawar, Sachin D. Ghude, Gaurav Govardhan, Prodip Acharja, Rachana Kulkarni, Rajesh Kumar, Baerbel Sinha, Vinayak Sinha, Chinmay Jena, Preeti Gunwani, Tapan Kumar Adhya, Eiko Nemitz, and Mark A. Sutton
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Ammonia (NH3) gas in the atmosphere impacts the environment, human health, and, indirectly, climate. Historic NH3 monitoring was labour intensive, and the instruments were complicated. Over the last decade, there has been a rapid technology development, including “plug-and-play” instruments. This study is an extensive field comparison of the currently available technologies and provides evidence that for routine monitoring, standard operating protocols are required for datasets to be comparable.
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Nitrogen (N) may impact the environment in many ways, and estimation of its deposition to the terrestrial surface is of interest. N deposition data have not been generated at a high resolution (1 km × 1 km) over a long time series in the UK before now. This study concludes that N deposition has reduced by ~ 40 % from 1990. The impact of these results allows analysis of environmental impacts at a high spatial and temporal resolution, using a consistent methodology and consistent set of input data.
Pooja V. Pawar, Sachin D. Ghude, Chinmay Jena, Andrea Móring, Mark A. Sutton, Santosh Kulkarni, Deen Mani Lal, Divya Surendran, Martin Van Damme, Lieven Clarisse, Pierre-François Coheur, Xuejun Liu, Gaurav Govardhan, Wen Xu, Jize Jiang, and Tapan Kumar Adhya
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Short summary
The release of ammonia into the air poses a serious risk to ecosystems and human health and so it is important to characterise where this polluting gas originates from. It is known that agriculture is an important source of ammonia (e.g. using fertilisers) and that South Asia is a global hotspot of this pollutant. It is, therefore, important to refine methods used to estimate how much ammonia is released in South Asia to be then used in advanced chemistry models for air quality assessments.
The release of ammonia into the air poses a serious risk to ecosystems and human health and so...
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