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surface ozone in the Northern Eurasia A.M.Obukhov Institute of - - PowerPoint PPT Presentation

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Contribution of natural and anthropogenic factors into near- surface ozone in the Northern Eurasia A.M.Obukhov Institute of Atmospheric Physics RAS Yu.A. Shtabkin, K.B. Moiseenko ENVIROMIS 2016 GEOS-Chem near-surface CO field Regions of

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SLIDE 1

Contribution of natural and anthropogenic factors into near- surface ozone in the Northern Eurasia

Yu.A. Shtabkin, K.B. Moiseenko

A.M.Obukhov Institute of Atmospheric Physics RAS

ENVIROMIS 2016

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SLIDE 2

Regions of climatically significant anthropogenic emissions

GEOS-Chem near-surface CO field

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SLIDE 3

ZOTTO measurements: CO2, CH4, CO, Ozone, NOx and aerosols at different heights, meteorology at different heights and

  • n

the ground (Temperature, Wind, Humidity), biweekly flask sampling at 301 m height and various irregular ecosystem measurements Background character of the station provide an excellent opportunity to study regional as well as long- range impact of various climatically important sources

  • f pollutants including regional industry and wildfires.

zottoproject.org

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SLIDE 4

1) Emission inventories:

Anthropogenic (EDGAR, http://edgar.jrc.ec.europa.eu) Biogenic (VOC oxidation, MEGAN, http://bai.acd.ucar.edu/MEGAN/) Wildfires (GFED, http://www.globalfiredata.org)

2) Global chemical-transport model GEOS-Chem

(http://acmg.seas.harvard.edu/geos).

Methods

Input data

  • NASA GEOS

meteorological fields

  • Other

Modules

  • Emissions
  • Transport
  • Chemistry
  • Aerosols
  • Deposition
  • Sub-surface

Applications

  • Chemical processes,

transport, budgets

  • Inverse analyses
  • Radiative forcing
  • Air quality
  • Biogeochemistry
  • …
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SLIDE 5

CO concentration at a height of 300 m above the ground observed at ZOTTO in 2007-2011. P10,90

  • percentile, □ - average. The solid and dashed lines - GEOS-Chem model calculation (monthly

averaged concentrations at the third model level, ~ 320 m above the ground).

ZOTTO vs GEOS-Chem

R=0.77 (0.53–0.89), δ=16.6 (11.0 – 22.6)

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SLIDE 6

Summary diagrams

  • f

atmospheric response on CO emissions in different regions in warm and cold periods

АОR = χ(СО)0 – χ(СО)REG

Geographical areas used for CO emission impact evaluation: NETR – north of ЕТР , SETR – south and midland of ЕТР , NS – north of Siberia, SWS – south of western Siberia, SES – south of eastern Siberia, NFE – north of Far East, SFE – south of Far East, EU — western Europe.

Model Experiment

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SLIDE 7

GEOS-Chem vs ZOTTO

Ozone concentration at a height of 6 m above the ground observed at ZOTTO in 2007-2012. P10,90 - percentile, □ - average. The solid and dashed lines - GEOS-Chem model calculation (monthly averaged concentrations at the first model level, ~ 58 m above the ground). R=0.79 (0.67–0.87), δ=-3.5 (-4.8 – -2.2)

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SLIDE 8

Geographical areas selected for

  • zone

reduction calculations

АОR = χ(O3)0 – χ(O3)REG ZOTTO near-sutrface ozone sensivity to NOx and VOC emissions (I)

Atmospheric response:

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SLIDE 9

Summary diagram of ozone reduction near ZOTTO station at different biogenic VOCs and anthropogenic NOx emission reduced values in Siberia, European Russia and Europe. An averaged values for all 2007 seasons are given.

Summer: NOx O3 Winter: NOx O3

ZOTTO near-sutrface ozone sensivity to NOx and VOC emissions (II)

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SLIDE 10

ZOTTO near-surface ozone sensivity to NOx and VOC emissions АОREG = χ(O3)0 – χ(O3)REG

Atmospheric responce on anthropogenic and biogenic emissions in near-surface ozone field for summer 2007. NOx and VOC emissions are reduced by 100 %