Retrieval of isotopologue ratio from ground-based FTIR measurements

从地面 FTIR 测量中检索同位素异体比

• 批准号: 40383300
• 负责人: Dr. Matthias Schneider
• 金额: --
• 依托单位: IMK - Atmosphärische Spurengase und Fernerkundung
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2007
• 资助国家: 德国
• 起止时间: 2006-12-31 至 2013-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/40383300?language=en
• 关键词: Retrieval; isotopologue; ratio; ground; based

RISOTO-BL will produce new water vapour isotopologue data for the tropospheric boundary layer where the isotopologue ratios are very useful for investigating exchange processes between the atmosphere, on the one hand, and the soil and the biosphere, on the other hand. RISOTO-BL will establish Karlsruhe as a unique reference site of boundary layer water vapour isotopologue ratios. The isotopologues will be measured by an in-situ analyzer and by a ground-based FTIR (Fourier Transform Infrared) middle and near infrared remote sensing system. The objective is a high data quality and an ultimate consistency between the different techniques. The scientific usefulness of the in-situ and the remotely-sensed data will be documented by comparison to isotopologue incorporated atmospheric models. RISOTO-BL ideally complements the European Research Council project MUSICA, which – in contrast to RISOTO-BL – focuses on the free troposphere and whose ground-based remote sensing component does not contemplate the high quality near infrared measurements performed in the framework of the currently establishing Total Carbon Column Observing Network (TCCON).

RISOTO-BL将产生对流层边界层的新的水蒸气同位素数据，其中同位素比率对于研究大气与土壤和生物圈之间的交换过程非常有用。 RISOTO-BL将把卡尔斯鲁厄作为边界层水蒸气同位素比值的唯一参考点。同位素体将由现场分析仪和地面傅里叶变换红外中红外和近红外遥感系统测量。目标是高数据质量和不同技术之间的最终一致性。现场和遥感数据的科学用途将通过与同位素结合的大气模型进行比较来记录。 RISOTO-BL是对欧洲研究理事会项目MUSICA的理想补充，该项目与RISOTO-BL不同，侧重于自由对流层，其地面遥感部分不考虑在目前正在建立的总碳柱观测网络框架内进行的高质量近红外测量。