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Atmosphere
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Nitrogen in a Changing Atmosphere
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Nitrogen in a Changing Atmosphere

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land–Atmosphere Interactions".

Deadline for manuscript submissions: closed (30 July 2022) | Viewed by 6063

Special Issue Editors

Dr. Jing Wei

E-Mail Website
Guest Editor
School of Atmospheric Sciences, Sun Yat-sen University, Zhuhai 519082, China
Interests: climate change; greenhouse gas (N2O); nitrogen geochemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Xianbiao Lin

E-Mail Website
Guest Editor
Key Laboratory of Marine Chemical and Marine Chemical Engineering, Ministry of Education, Ocean University of China, Qingdao 266100, China
Interests: denitrification; anammox; DNRA; nitrification; N mineralization and immobilization; nitrous oxide; N isotope technique
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

The nitrogen cycle has been highly accelerated since the innovation of the Habor–Bosch proces, with: the mixing ratio of nitrous oxide (N2O) in the atmosphere increasing by approximately 0.8 ppb yr-1, becoming one of the most important drivers of the current climate change crisis. In the mean time, nitrogenous gases, such as ammonia (NH3), nitric oxide (NO), nitrous acid (HONO), etc., have become important atmospheric pollutants, threatening human health. In recognition of this shift in emphasis, the aim of this Special Issue is to compile recent advances in the field of nitrogen-driven climate change and atmospheirc pollution.

Topics of interest for the Special Issue include, but are not limited to:

  • Processes and mechamisms involved in N2O, NO, HONO, and NH3 production and emission
  • Land—, hydrosphere—, and biosphere—atmosphere interaction in the biogeochemical N cycle
  • Impact of the accelerated nitrogen cycle on climate change
  • Impact of the accelerated nitrogen cycle on atmospheric pollution
  • Migration, transformation, and dissapearance of nitrogen pollutants in the stratosphere and troposphere
  • Influence of climate change on the biogeochemical N cycle and N-related atmospheric pollution

Dr. Jing Wei
Dr. Xianbiao Lin
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Dr. Xianbiao Lin
Dr. Jing Wei
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atmosphere is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • • climate change
  • • air pollution
  • • nitrous oxide
  • • nitric oxide
  • • ammonia
  • • nitrogen cycle
  • • land–atmosphere interaction
  • • hydrosphere–atmosphere interaction
  • • biosphere–atmosphere interaction
  • • nitrous acid

Published Papers (3 papers)

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Research

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16 pages, 2520 KiB  
Article
Responses of Soil N2O Emission and CH4 Uptake to N Input in Chinese Forests across Climatic Zones: A Meta-Study
by Bei Zhang, Yuanyuan Huang, Zhi Qu, Tongbin Zhu and Longfei Yu
Atmosphere 2022, 13(7), 1145; https://doi.org/10.3390/atmos13071145 - 19 Jul 2022
Cited by 2 | Viewed by 1706
Abstract
Enhanced nitrogen (N) deposition has shown significant impacts on forest greenhouse gas emissions. Previous studies have suggested that Chinese forests may exhibit stronger N2O sources and dampened CH4 sinks under aggravated N saturation. To gain a common understanding of the [...] Read more.
Enhanced nitrogen (N) deposition has shown significant impacts on forest greenhouse gas emissions. Previous studies have suggested that Chinese forests may exhibit stronger N2O sources and dampened CH4 sinks under aggravated N saturation. To gain a common understanding of the N effects on forest N2O and CH4 fluxes, many have conducted global-scale meta-analyses. However, such effects have not been quantified particularly for China. Here, we present a meta-study of the N input effects on soil N2O emission and CH4 uptake in Chinese forests across climatic zones. The results suggest that enhanced N inputs significantly increase soil N2O emission (+115.8%) and decrease CH4 uptake (−13.4%). The mean effects were stronger for N2O emission and weaker for CH4 uptake in China compared with other global sites, despite being statistically insignificant. Subtropical forest soils have the highest emission factor (2.5%) and may respond rapidly to N inputs; in relatively N-limited temperate forests, N2O and CH4 fluxes are less sensitive to N inputs. Factors including forest type, N form and rate, as well as soil pH, may also govern the responses of N2O and CH4 fluxes. Our findings pinpoint the important role of Southern Chinese forests in the regional N2O and CH4 budgets. Full article
(This article belongs to the Special Issue Nitrogen in a Changing Atmosphere)
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16 pages, 57164 KiB  
Article
Understanding the Simulated Ammonia Increasing Trend from 2008 to 2015 over Europe with CHIMERE and Comparison with IASI Observations
by Audrey Fortems-Cheiney, Gaëlle Dufour, Gilles Foret, Guillaume Siour, Martin Van Damme, Pierre-François Coheur, Lieven Clarisse, Cathy Clerbaux and Matthias Beekmann
Atmosphere 2022, 13(7), 1101; https://doi.org/10.3390/atmos13071101 - 13 Jul 2022
Cited by 2 | Viewed by 1735
Abstract
The objective of this study is to assess and understand the NH3 recent trends and to identify the key components driving its concentrations. We have simulated the seasonal cycle, the interannual variability, and the trends in NH3 vertical column densities (VCD) [...] Read more.
The objective of this study is to assess and understand the NH3 recent trends and to identify the key components driving its concentrations. We have simulated the seasonal cycle, the interannual variability, and the trends in NH3 vertical column densities (VCD) from 2008 to 2015 over Europe, with the CHIMERE regional chemistry–transport model. We have also confronted the simulations against the Infrared Atmospheric Sounding Interferometer (IASI) satellite observations. IASI often shows a strong maximum in summer in addition to the spring peak, whereas CHIMERE only shows a slight peak in summer some years. This result could point to a misrepresentation of the temporal profile of the NH3 emissions, i.e., to missing emission sources during summertime either due to more than expected fertilizer use or to increased volatilization under warmer conditions. The simulated NH3 VCDs present an increasing trend over continental Europe (+2.7 ± 1.0 %/yr) but also at the national scale for Spain, Germany, UK, France, and Poland. Sensitivity tests indicate that these simulated positive trends are mainly due to (i) the trends in NH3 emissions, found heterogeneous in the EMEP NH3 emissions with strong disparities depending on the country, and (ii) the negative trends in NOx and SOx emissions. The impact of reductions in NO2 and SO2 emissions on NH3 concentrations should therefore be taken into account in future policies. This simulated NH3 VCD increase at the European scale is confirmed by IASI-v3R satellite observations in spring and summer, when ammonia emissions strongly contribute to the annual budget in accordance with crop requirements. Nevertheless, there are remaining differences about the significance and magnitude between the simulated and observed trends at the national scale, and it warrants further investigation. Full article
(This article belongs to the Special Issue Nitrogen in a Changing Atmosphere)
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Review

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19 pages, 2489 KiB  
Review
N2O Emissions from Aquatic Ecosystems: A Review
by Huixiao Pan, Zheyan Zhou, Shiyu Zhang, Fan Wang and Jing Wei
Atmosphere 2023, 14(8), 1291; https://doi.org/10.3390/atmos14081291 - 15 Aug 2023
Cited by 2 | Viewed by 1751
Abstract
Emissions of nitrous oxide (N2O) from aquatic ecosystems are on the rise due to the dramatic increase in global reactive nitrogen input by anthropogenic activities (e.g., agricultural nitrogen fertilizer use). However, uncertainties exist in the estimation of aquatic N2O [...] Read more.
Emissions of nitrous oxide (N2O) from aquatic ecosystems are on the rise due to the dramatic increase in global reactive nitrogen input by anthropogenic activities (e.g., agricultural nitrogen fertilizer use). However, uncertainties exist in the estimation of aquatic N2O budgets due to limited knowledge of mechanisms involved in aquatic N2O emissions, as well as the N2O flux measurements and modelling. To give a full picture of aquatic N2O emissions, this review discusses the biotic and abiotic mechanisms involved in aquatic N2O emissions, common methods used in aquatic N2O flux measurements (including field measurement methods and formula simulation methods), and alternatives for aquatic N2O budget estimation. In addition, this review also suggests that stable isotope technology is promising in the application of aquatic N2O source partitioning. Full article
(This article belongs to the Special Issue Nitrogen in a Changing Atmosphere)
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