Study on the stratospheric minor species related to ozone depletion using the satellite data

利用卫星数据研究与臭氧消耗有关的平流层次要物种

• 批准号: 07640589
• 负责人: HAYASHIDA Sachiko
• 金额: $ 1.54万
• 依托单位: Nara Women's University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1997
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07640589/
• 关键词: Stratosperic Ozone; Stratosperic Aerosol; Stratosperic minor species; Satellite Observation; Middle Atomosphere; Atomospheric Chemistry; SAGEII

This research is to investigate the chemical processes destroying stratospheric ozone. We have analyzed the satellite data of stratospheric minor species and investigated the spatial distribution and the time evolution of them. In particular, we focused on the analysis of the stratosperic aerosol which is the key factor on ozone depletion through the heterogeneous reactions.Some significant satellite data sets have been collected and analyzed. The global data set of the total ozone observed with TOMS (Total Ozone mapping Spectrometer) have been analtzed to show the long term change in ozone. Stratospheric Aerosol measurements II (SAMII) and Stratospheric Aerosol and Gas Experiment II (SAGE II) data were analyzed to understand the aerosol global climatology as well as the frequency of PSCs (Polar Stratospheric Clouds) occurrence.The four wave-length extinction coefficients at 1.02,0.525,0.453,0.385 micron for the stratospheric aerosols observed with SAGAII were analyzed. the time series of 11 year record from 1985 through 1995 shows the strong increases of the extinction in 1991 after the eruption Pinatubo (June 1991, Philippine). The wavelength dependence of the extinction coefficient also significantly changed after the eruption of Pinatubo, showing the existence of large particles.TOMS and Improved Lim Atomospheric Spectrometer (ILAS) board on Advanced Earth Observing Satellite (ADEOS) could obtain the data of high quality during the period of ADEOS operation. TOMS/ADEOS observed the record low level of total ozone over the Arctic in late March and early April 1997. The observed ozone loss over the Arctic can be characterized as the prolonged polar vortex and persisitency of cold temperature until early spring. Many PSCs had been observed with ILAS from January to March 1997. Most of the PSCs were seen well inside vortex and the active PSC occurrence have been observed in mid-January followed by the sporadic occurrence until early March.

这项研究是为了研究破坏平流层臭氧的化学过程。我们已经分析了平流层小物种的卫星数据，并研究了空间分布及其时间的演变。特别是，我们专注于对地层气溶胶的分析，这是通过异质反应的臭氧耗竭的关键因素。已经收集和分析了一些重要的卫星数据集。用TOMS观察到的总臭氧（总臭氧映射光谱仪）的全局数据集已被隔离，以显示臭氧的长期变化。分析了平流层气雾剂测量II（SAMII）和平流层气雾剂和气体实验II（SAGE II）数据（SAGE II）数据，以了解Aerosol的全球气候学以及PSC（极地平流层云）的发生频率。四个波长的灭绝系数使用1.02,525,525,45,45,45,45,0.455,455,0.455,455,0.455,455,0.455,455,0.385555555,385分析了sagaii。 1985年至1995年的11年记录的时间序列显示了1991年爆发Pinatubo（1991年6月，菲律宾）灭绝的强劲增长。 Pinatubo爆发后，灭绝系数的波长依赖性也显着改变，显示了大颗粒的存在。TOMS和改善的LIM肌球光谱仪（ILAS）在高级地球观察卫星（ADEOS）上可以在ADEOS操作期间获得高质量的数据。 Toms/Adeos在1997年3月下旬和4月初观察到了北极地区的总臭氧水平低水平。北极上观察到的臭氧损失可以被描述为长时间的极性涡流和冷温的持久性直到早春。从1997年1月至1997年3月，在ILA中观察到了许多PSC。大多数PSC在Vortex内部很好地看到，并且在1月中旬观察到了主动的PSC发生，随后是零星发生的，直到3月初。

项目成果

林田 佐智子, 西村 亜紀, 斉藤 尚子: "SAGEIIで観測された成層圏エアロゾル消散係数の波長依存性の時間空間変動について" リモートセンシング学会誌. 18-1(未定). (1998)

Sachiko Hayashida、Aki Nishimura、Naoko Saito：“SAGE II 观测到的平流层气溶胶消光系数的时间和空间变化”，遥感学会杂志 18-1 (TBD)。