Sabbatical for six months at the JRC in Ispra/Italy for (1) measurement of NH3 and other trace gases in the atmosphere in a region with very variable and high NH3 values (2) to intensify the cooperation with the JRC

在意大利伊斯普拉的 JRC 休假六个月，目的是 (1) 在 NH3 值变化很大且高的地区测量大气中的 NH3 和其他痕量气体 (2) 加强与 JRC 的合作

• 批准号: 287116743
• 负责人: Professor Dr. Justus Notholt
• 金额: --
• 依托单位: Niels Bohr Institutet
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2016
• 资助国家: 德国
• 起止时间: 2015-12-31 至 无数据
• 项目状态: 未结题
• 来源: https://gepris.dfg.de/gepris/projekt/287116743?language=en
• 关键词: Sabbatical; six; months; JRC; Ispra

The aim of the proposal is to finance a stay at the Joint Research Center in Ispra / northern Italy as part of a sabbatical. During the six-month stay ) the variability of tropospheric trace gases will be measured using the solar absorption spectroscopy in the infrared (FTIR spectroscopy). The solar absorption spectroscopy allows the simultaneous measurement of the concentrations of about 20 atmospheric trace gases. These include the tropospheric trace gases CO, C2H6, C2H2, CH2O, HCN, OCS, NH3 and H2O. The focus of the project are measurement of NH3, a trace gas which has not been studied in detail so far. The measurements yield the total column concentrations and the vertical profiles of NH3 in about two layers of the atmosphere. The FTIR measurements are complemented by in-situ measurements on the 100 m high Tall Tower in Ispra and by in-situ measurements at the local EMEP station.Satellite measurements indicate high concentrations and great variability of NH3 in northern Italy. Knowing the concentrations of a variety of other trace gases by the FTIR measurements, and the in-situ observations at the Tall Tower Station and the EMEP station, enables a better understanding of the very complex and partially coupled chemical and dynamical processes. The observations allow improving our knowledge on the variability of atmospheric NH3, and provide valuable information for understanding the atmospheric NH3 budget. Furthermore, the measurements serve for satellite and model validation. The sabbatical will serve to intensify the cooperation with the JRC in Ispra.

该提案的目的是资助在伊斯普拉/北方意大利的联合研究中心停留，作为休假的一部分。在为期六个月的停留期间，将使用红外线中的太阳吸收光谱法（傅里叶变换红外光谱法）测量对流层痕量气体的变化。太阳能吸收光谱法可以同时测量约20种大气痕量气体的浓度。这些气体包括对流层痕量气体CO、C2 H6、C2 H2、CH 2 O、HCN、OCS、NH3和H2O。该项目的重点是测量NH3，这是一种迄今为止尚未详细研究的痕量气体。测量结果产生的总柱浓度和垂直廓线的NH3在大约两层的大气。FTIR测量得到了Ispra 100米高的高塔上的现场测量和当地EMEP站的现场测量的补充，卫星测量表明北方意大利的NH3浓度高，变化大。通过傅里叶变换红外光谱测量以及在高塔站和欧洲监测和评价项目站的现场观测了解各种其他痕量气体的浓度，能够更好地了解非常复杂和部分耦合的化学和动力学过程。这些观测结果可以提高我们对大气NH3变化的认识，并为了解大气NH3收支提供有价值的信息。此外，测量结果还用于卫星和模型验证。休假将有助于加强与伊斯普拉联合调查委员会的合作。