DOI: 10.1002/2014GL060136
论文题名: Advancing measurements of tropospheric NO2 from space: New algorithm and first global results from OMPS
作者: Yang K. ; Carn S.A. ; Ge C. ; Wang J. ; Dickerson R.R.
刊名: Geophysical Research Letters
ISSN: 0094-10007
EISSN: 1944-9738
出版年: 2014
卷: 41, 期: 13 起始页码: 4777
结束页码: 4786
语种: 英语
英文关键词: air pollution
; OMPS
; retrieval algorithm
; stratosphere-troposphere separation
; tropospheric nitrogen dioxide
Scopus关键词: Air pollution
; Iterative methods
; Nitrogen oxides
; Sensitivity analysis
; Separation
; Troposphere
; Ultraviolet spectrometers
; Differential optical absorption spectroscopy
; Measurement sensitivity
; OMPS
; Ozone mapping and profiler suites
; Ozone monitoring instruments
; Retrieval algorithms
; Tropospheric nitrogen dioxide
; Ultraviolet measurements
; Algorithms
英文摘要: We present a new algorithm based on the iterative spectral fitting technique for direct retrieval of nitrogen dioxide (NO2) vertical columns from hyperspectral satellite measurements, and a new spatial technique for separating the stratospheric and tropospheric contributions to the total NO2 vertical columns. This direct vertical column fitting (DVCF) algorithm allows more complete treatment of underlying algorithm physics compared to the differential optical absorption spectroscopy technique and enables more accurate accounting for the effects of spectral and altitude variations in NO2 measurement sensitivities. This DVCF algorithm and the stratosphere-troposphere separation scheme are applied to ultraviolet measurements from the Nadir Mapper of the Ozone Mapping and Profiler Suite (OMPS) on the Suomi National Polar-orbiting Partnership spacecraft. The first results demonstrate the potential of OMPS for sensitive global monitoring of tropospheric NO2. Comparisons show good agreement with Aura Ozone Monitoring Instrument (OMI) tropospheric NO2 data and that OMPS data have sufficient quality to continue and extend OMI NO2 data records. Key Points First one-step vertical NO2 column retrieval from a new direct fitting algorithm A new spatial technique for reliable stratosphere-troposphere NO2 separation Demonstration of sensitive global tropospheric NO2 measurements from SNPP OMPS ©2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84903857857&doi=10.1002%2f2014GL060136&partnerID=40&md5=b1ee22b6456c6565de0a7d42a772c262
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7271
Appears in Collections: 气候减缓与适应
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作者单位: Department of Atmospheric and Oceanic Science, University of Maryland College Park, College Park MD, United States
Recommended Citation:
Yang K.,Carn S.A.,Ge C.,et al. Advancing measurements of tropospheric NO2 from space: New algorithm and first global results from OMPS[J]. Geophysical Research Letters,2014-01-01,41(13).