Dry deposition of NO2 over China inferred from OMI columnar NO2 and atmospheric chemistry transport model

Zhang, X.Y.; Lü, Xianghong; Liu, L.; Chen, D.M.; Zhang, X.M.; Liu, X.J.; Zhang, Y.

doi:10.1016/j.atmosenv.2017.09.017

Cited by 34 publications

(21 citation statements)

References 51 publications

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“…For models showing agreement with the ensemble mean, if more than half of the models show statistical significance at 95% level, then the ensemble mean change for that particular grid is considered to be statistically significant. likely caused by the high deposition velocity (Zhang et al, 2017) and wet deposition due to larger precipitation in summer, consistent with previous studies (Liu et al, 2017;Zhang et al, 2017;Xu et al, 2018). Over the ocean such as Yellow Sea and East China Sea, the notably higher NOy deposition (first row of Fig.…”

Section: Future Changes Of Noy Deposition In East Asiasupporting

confidence: 90%

Impacts of climate change and emissions on atmospheric oxidized nitrogen deposition over East Asia

Gao¹,

Leung²,

Luo³

et al. 2018

Preprint

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Abstract. A multi-model ensemble of Atmospheric Chemistry and Climate Model Intercomparison Project (ACCMIP) simulations are used to study the atmospheric oxidized nitrogen (NOy) deposition over East Asia under climate and emission changes projected for the future. Both dry and wet NOy deposition shows significant decreases in the 2100s under RCP 4.5 and RCP 8.5, primarily due to large anthropogenic emission reduction over both land and sea. However, in the near future of the 2030s, both dry and wet NOy deposition increases significantly due to continued increase in emissions. The individual effect of climate or emission changes on dry and wet NOy deposition is also investigated. The impact of climate change on dry NOy deposition is relatively minor, but the effect on wet deposition, primarily caused by changes in precipitation, is much higher. For example, over the East China Sea, wet NOy deposition increases significantly in summer due to climate change by the end of this century under RCP 8.5, which may subsequently enhance marine primary production. Over the coastal seas of China, as the transport of NOy from land becomes weaker due to the decrease of anthropogenic emissions, the effect of ship emission and lightning emission becomes more important. On average, seasonal mean total NOy deposition is projected to be enhanced by 24&#8211;48&#8201;% and 3&#8201;%&#8211;37&#8201;% over Yellow Sea and East China Sea, respectively, by the end of this century. Therefore, continued control of both anthropogenic emission over land and ship emissions may reduce NOy deposition to the Chinese coastal seas.

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Section: Future Changes Of Noy Deposition In East Asiasupporting

confidence: 90%

Impacts of climate change and emissions on atmospheric oxidized nitrogen deposition over East Asia

Gao¹,

Leung²,

Luo³

et al. 2018

Preprint

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“…All the above factors determine the seasonal variations of g NO 2 deposition. The variations of monthly g NO 2 deposition are in agreement with the findings of Zhang et al (2017), who showed that the peak value occurred in August and the lowest value in February. The monthly wet N deposition flux ranged from 0.33 to 2.50 kg N ha −1 /month for w NH 4 + and from 0.29 to 1.70 kg N ha −1 /month for w NO 3 − (Figure 2(c)).…”

supporting

confidence: 91%

“…The inferential model established in this study is the same as that employed in Liu et al (2017aLiu et al ( , 2017bLiu et al ( , 2017cLiu et al ( , 2017d, and Zhang et al (2017). More detailed methodological information is provided in Section S2 of the supplementary material.…”

Section: Methodsmentioning

confidence: 99%

Spatial and seasonal patterns of atmospheric nitrogen deposition in North China

Wang

Zhang

Liu

et al. 2019

Atmospheric and Oceanic Science Letters

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As one of the regions with intensive agriculture and rapid economic development in China, North China also has a high nitrogen (N) deposition. This study characterized the spatial pattern of N deposition in North China, combining the tropospheric columns from satellite measurements and the simulated profiles from an atmospheric chemistry transport model. The total N deposition fluxes ranged from 16.3 to 106.5 kg N ha −1 yr −1 , with an average of 54.5 ± 17.2 kg N ha −1 yr −1. The high values were concentrated in urban and farmland areas, while low values were found in forests and grasslands with less human activities. Of the total N deposition, 36% was deposited via precipitation, 12% was deposited through dry particulate deposition, and the remaining 52% was comprised of dry gaseous deposition. For the seasonal variation of dry deposition, gaseous HNO 3 and particulate NO 3 − were higher in winter and autumn, but lower in spring and summer. In contrast, gaseous NH 3 and particulate NH 4 + were higher in spring and summer, but lower in winter and autumn. This is possibly caused by the seasonal differences in emission intensity between NO x and NH 3 emission sources. The gaseous NO 2 deposition did not show strong seasonal variation. The wet deposition was mainly affected by precipitation, with high values in summer and low values in winter. This research provides an objective spatial perspective and insight into the total N deposition in North China.

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“…Another approach tries to fit general vertical profiles of NO 2 and NH 3 (Zhang et al, 2017;Liu et al, 2017b;Liu et al, 2017c), and then estimate the ratio of N r concentration at any height to total N r columns, and finally multiply the ratio by satellite NO 2 and NH 3 columns. This approach has an advantage compared with the previous one for that NO 2 and NH 3 concentration at all altitude included in ACTM simulations can be estimated.…”

Section: Conversion Of Satellite No 2 and Nh 3 Column To Surface N R mentioning

confidence: 99%

“…The basic form of single Gaussian function is (Zhang et al, 2017;Liu et al, 2017b;Liu et al, 2017c;Whitburn et al, 2016):…”

Section: Conversion Of Satellite No 2 and Nh 3 Column To Surface N R mentioning

confidence: 99%

Reviewing Global Estimates of Surface Reactive Nitrogen Concentration and Deposition Using Satellite Observation

Liu¹,

Zhang²,

Xu³

et al. 2020

Preprint

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Abstract. Since the industrial revolution, human activities have dramatically changed the nitrogen (N) cycle in natural systems. Anthropogenic emissions of reactive nitrogen (Nr) can return to the earth's surface through atmospheric Nr deposition. Increased Nr deposition may improve ecosystem productivity. However, excessive Nr deposition can cause a series of negative effects on ecosystem health, biodiversity, soil, and water. Thus, accurate estimations of Nr deposition are necessary for evaluating its environmental impacts. The United States, Canada and Europe have successively launched a number of satellites with sensors that allow retrieval of atmospheric NO2 and NH3 column density, and therefore estimation of surface Nr concentration and deposition at an unprecedented spatiotemporal scale. Atmosphere NH3 column can be retrieved from atmospheric infra-red emission measured by IASI, AIRS, CrIS or TES, while atmospheric NO2 column can be retrieved from reflected solar radiation measured by GOME, GOME-2, SCIAMACHY, OMI, TEMPO, Sentinel and GEMS. In recent years, scientists attempted to estimate surface Nr concentration and deposition using satellite retrieval of atmospheric NO2 and NH3 columns. In this study, we give a thorough review on recent advances of estimating surface Nr concentration and deposition using the satellite retrievals of NO2 and NH3, present a framework of using satellite data to estimate surface Nr concentration and deposition based on recent works, and summarize the existing challenges for estimating surface Nr concentration and deposition using the satellite-based methods. We believe that exploiting satellite data to estimate Nr deposition has a broad and promising prospect.

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Dry deposition of NO2 over China inferred from OMI columnar NO2 and atmospheric chemistry transport model

Cited by 34 publications

References 51 publications

Impacts of climate change and emissions on atmospheric oxidized nitrogen deposition over East Asia

Impacts of climate change and emissions on atmospheric oxidized nitrogen deposition over East Asia

Spatial and seasonal patterns of atmospheric nitrogen deposition in North China

Reviewing Global Estimates of Surface Reactive Nitrogen Concentration and Deposition Using Satellite Observation

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