NOx Emissions from Agricultural Soils: Intercomparison of Micrometeorological and Dynamic Soil Chamber Techniques

农业土壤的氮氧化物排放:微气象和动态土壤室技术的比较

基本信息

  • 批准号:
    9420610
  • 负责人:
  • 金额:
    $ 5.56万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    1995
  • 资助国家:
    美国
  • 起止时间:
    1995-07-01 至 2000-09-30
  • 项目状态:
    已结题

项目摘要

9420610 Viney Nitric oxide (NO) and nitrogen dioxide (NO2), which together constitute the conserved family NOx, play a key role in the chemistry of the atmosphere, especially in the formation of tropospheric ozone. Natural emissions of these gases from agricultural soils may be comparable in magnitude in rural regions to those from know anthropogenic sources. In particular, the role of nitrogen based fertilizers spread over rural agricultural soils in the production/emission of NOx is not well documented. Rural emissions similar in magnitude to anthropogenic sources make development of effective strategies for reducing ozone concentrations problematic. The objective of this proposal is to participate in an intercomparison study of methodologies for measuring NOx emissions from an intensively managed agricultural row crop. This study is to intercompare chamber and micrometeorological methodologies with extensive onsite characterization of soil physical and chemical properties, ambient air quality and atmospheric conditions.
一氧化氮(NO)和二氧化氮(NO2)共同构成氮氧化物的保守家族,在大气化学中起着关键作用,特别是在对流层臭氧的形成中。在农村地区,来自农业土壤的这些气体的自然排放在量级上可能与来自已知人为来源的排放量相当。特别是,散布在农村农业土壤上的氮基肥料在产生/排放氮氧化物中的作用没有得到很好的记录。农村地区的排放量与人为来源的排放量相似,这给制定有效的减少臭氧浓度的战略带来困难。这项建议的目的是参与一项关于测量集约化管理的农业行作物的氮氧化物排放的方法的比较研究。本研究将室内和微气象方法与土壤物理和化学性质、环境空气质量和大气条件的广泛现场表征进行比较。

项目成果

期刊论文数量(0)
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Viney Aneja其他文献

Viney Aneja的其他文献

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{{ truncateString('Viney Aneja', 18)}}的其他基金

US-India International Workshop: Collaborative Science, Research, and Education in Air Quality Measurements, Modeling and Analysis, Gurgaon, India, Fall 2010.
美印国际研讨会:空气质量测量、建模和分析方面的协作科学、研究和教育,印度古尔冈,2010 年秋季。
  • 批准号:
    1034759
  • 财政年份:
    2010
  • 资助金额:
    $ 5.56万
  • 项目类别:
    Standard Grant
International Workshop on Agriculture Impacts of Air Quality; Washington, District of Columbia; During 2006
空气质量对农业的影响国际研讨会;
  • 批准号:
    0528420
  • 财政年份:
    2005
  • 资助金额:
    $ 5.56万
  • 项目类别:
    Standard Grant

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