CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS
The analysis of the CO and CH4 total column (TC) as well as aerosol optical depth (AOD) data in urban and background regions of Eurasia for different seasons and periods from 1998 to 2016 years is presented. Trends estimates based on longterm spectroscopic datasets of OIAP RAS (Obukhov Institute of...
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doaj-8560f530376e4e8b82614b31df193dba2021-07-28T21:10:07ZengLomonosov Moscow State UniversityGeography, Environment, Sustainability2071-93882542-15652018-06-01112849610.24057/2071-9388-2018-11-2-84-96318CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONSVadim S. Rakitin0Nikolai F. Elansky1Pucai Wang2Gengchen Wang3Natalia V. Pankratova4Yury A. Shtabkin5Andrey I. Skorokhod6Alexander N. Safronov7Maria V. Makarova8Eugeny I. Grechko9A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesInstitute of Atmospheric Physics, Chinese Academy of SciencesInstitute of Atmospheric Physics, Chinese Academy of SciencesA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesSt. Petersburg State UniversityA.M. Obukhov Institute of Atmospheric Physics, Russian Academy of SciencesThe analysis of the CO and CH4 total column (TC) as well as aerosol optical depth (AOD) data in urban and background regions of Eurasia for different seasons and periods from 1998 to 2016 years is presented. Trends estimates based on longterm spectroscopic datasets of OIAP RAS (Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences) for stations Moscow, Zvenigorod (ZSS, Moscow province), Zotino (ZOTTO, Central Siberia), Beijing (joint site of OIAP RAS and IAP CAS (Institute of Atmospheric Physics, Chinese Academy of Sciences)), SPbSU stations Peterhof and NDACC stations located in Eurasia were compared between themselves and with similar assessments obtained from satellite data. Significant decrease of anthropogenic CO in megacities Moscow (3.5±2.2%/yr) and Beijing (1.4±1.4%/yr) in autumn months of 1998−2016 were found according ground-based spectroscopic observations. In spite of total anthropogenic CO emissions decrease (for Europe and China) and absence of growth of wild-fires emissions in 2007−2016 we found that CO TC in background regions of Northern Eurasia has stabilized or increased in summer and autumn months of 2007−2016. Decrease of AOD over Central and Southern Europe and over China (1−5%/ yr) was observed after 2007. Since 2007 an increase in CH4 TC trends over Northern Europe as well as for tropical belt of Eurasia has been obtained. Analysis of satellite observations AIRS v6 of CO and CH4 TC and MODIS AOD data confirmed the ground-based estimates of trends.https://ges.rgo.ru/jour/article/view/423remote sensingatmospheric spectroscopyatmospheric compositionglobal changesurban and background regionseurasiatrends |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Vadim S. Rakitin Nikolai F. Elansky Pucai Wang Gengchen Wang Natalia V. Pankratova Yury A. Shtabkin Andrey I. Skorokhod Alexander N. Safronov Maria V. Makarova Eugeny I. Grechko |
spellingShingle |
Vadim S. Rakitin Nikolai F. Elansky Pucai Wang Gengchen Wang Natalia V. Pankratova Yury A. Shtabkin Andrey I. Skorokhod Alexander N. Safronov Maria V. Makarova Eugeny I. Grechko CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS Geography, Environment, Sustainability remote sensing atmospheric spectroscopy atmospheric composition global changes urban and background regions eurasia trends |
author_facet |
Vadim S. Rakitin Nikolai F. Elansky Pucai Wang Gengchen Wang Natalia V. Pankratova Yury A. Shtabkin Andrey I. Skorokhod Alexander N. Safronov Maria V. Makarova Eugeny I. Grechko |
author_sort |
Vadim S. Rakitin |
title |
CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS |
title_short |
CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS |
title_full |
CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS |
title_fullStr |
CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS |
title_full_unstemmed |
CHANGES IN TRENDS OF ATMOSPHERIC COMPOSITION OVER URBAN AND BACKGROUND REGIONS OF EURASIA: ESTIMATES BASED ON SPECTROSCOPIC OBSERVATIONS |
title_sort |
changes in trends of atmospheric composition over urban and background regions of eurasia: estimates based on spectroscopic observations |
publisher |
Lomonosov Moscow State University |
series |
Geography, Environment, Sustainability |
issn |
2071-9388 2542-1565 |
publishDate |
2018-06-01 |
description |
The analysis of the CO and CH4 total column (TC) as well as aerosol optical depth (AOD) data in urban and background regions of Eurasia for different seasons and periods from 1998 to 2016 years is presented. Trends estimates based on longterm spectroscopic datasets of OIAP RAS (Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences) for stations Moscow, Zvenigorod (ZSS, Moscow province), Zotino (ZOTTO, Central Siberia), Beijing (joint site of OIAP RAS and IAP CAS (Institute of Atmospheric Physics, Chinese Academy of Sciences)), SPbSU stations Peterhof and NDACC stations located in Eurasia were compared between themselves and with similar assessments obtained from satellite data. Significant decrease of anthropogenic CO in megacities Moscow (3.5±2.2%/yr) and Beijing (1.4±1.4%/yr) in autumn months of 1998−2016 were found according ground-based spectroscopic observations. In spite of total anthropogenic CO emissions decrease (for Europe and China) and absence of growth of wild-fires emissions in 2007−2016 we found that CO TC in background regions of Northern Eurasia has stabilized or increased in summer and autumn months of 2007−2016. Decrease of AOD over Central and Southern Europe and over China (1−5%/ yr) was observed after 2007. Since 2007 an increase in CH4 TC trends over Northern Europe as well as for tropical belt of Eurasia has been obtained. Analysis of satellite observations AIRS v6 of CO and CH4 TC and MODIS AOD data confirmed the ground-based estimates of trends. |
topic |
remote sensing atmospheric spectroscopy atmospheric composition global changes urban and background regions eurasia trends |
url |
https://ges.rgo.ru/jour/article/view/423 |
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