Journal
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
Volume 216, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2021.112180
Keywords
Atmospheric reactive nitrogen; Dry deposition; Wet deposition; Quantification methods; Monitoring networks
Categories
Funding
- China Scholarship Council [201913043]
- Key Consulting Project of the Chinese Academy of Engineering [2019-XZ-69]
- Beijing Advanced Discipline
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Atmospheric nitrogen deposition is a key part of the global nitrogen cycle, but excessive deposition can have adverse effects on ecosystems and humans, with China facing heavier deposition compared to other countries. The review summarizes quantification methods and global data on nitrogen deposition, proposing a systematic framework for quantifying it.
Atmospheric nitrogen (N) deposition is a vital component of the global N cycle. Excessive N deposition on the Earth?s surface has adverse impacts on ecosystems and humans. Quantification of atmospheric N deposition is indispensable for assessing and addressing N deposition-induced environmental issues. In the present review, we firstly summarized the current methods applied to quantify N deposition (wet, dry, and total N deposition), their advantages and major limitations. Secondly, we illustrated the long-term N deposition monitoring networks worldwide and the results attained via such long-term monitoring. Results show that China faces heavier N deposition than the United States, European countries, and other countries in East Asia. Next, we proposed a framework for estimating the atmospheric wet and dry N deposition using a combined method of surface monitoring, modeling, and satellite remote sensing. Finally, we put forth the critical research challenges and future directions of the atmospheric N deposition. Capsule: A review of quantification methods and the global data on nitrogen deposition and a systematic framework was proposed for quantifying nitrogen deposition.
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