4.基于衛星遙感的氮氧化物大氣濃度和排放精細反演-北京大學-林金泰.pdf

1、Satellite-Based Estimates of NOx Pollution and Emissions at High Resolutions基于衛星遙感的氮氧化物大氣濃度和排放精細反演Jintai Lin 林金泰Hao Kong 孔浩,Yuhang Zhang 張宇航,Chenghao Xu 徐呈浩,Sijie Wang 王思杰,Wanshan Tan 譚婉珊ACM Group,Dept.Atmospheric and Oceanic Sciences,Peking U;http:/www.pku-atmos-acm.org/NOx=NO+NO22NOx as Key Consti

2、tuent for Environment&ClimateNOxPM2.5O3NH3,SO2HealthClimateCH4NMVOC,CO Lifetime:hours,hard to measure Known sources:combustion,soil,lightning3High-Resolution Geostationary and Polar Orbiting Satellite Measurements of NO2and Other TracersTROPOMI(once per day)TEMPO(hourly)Sentinel-4(hourly)GEMS(hourly

3、)Courtesy Jhoon Kim,Andreas RichterSource:K.ChanceNO2sensors:GOME,SCIAMACHY,OMI,GOME-2A/B,OMPS,TROPOMI,GEMSApr 7,20232024?Feb 19,2020Oct 13,20174From Radiance to NO2Concentrations and then to NOx Emis:Physical-Chemical Approach Based on Governing EquationsPOMINOFirst aerosol-explicit NO2algorithmPHL

4、ETFast,NL chemistry-explicit algorithmRadianceTrop.NO2VCDNOx emission1015cm-2kg km-2h-1POMINO:An Improved Algorithm to Retrieve Trop.NO25 Explicit aerosols Surface BRDF High-res NO2profiles Coherent cloud retrievalLin et al.,ACP,2014;Lin et al.,ACP,2015;Liu et al.,AMT,2019;Zhang et al.,NRSB,2022;Zha

5、ng et al.,AMT,2023POMINO-GEMS=6Lin et al.,ACP,2014;Lin et al.,ACP,2015;Liu et al.,AMT,2019;Liu et al.,AMT,2020;Zhang et al.,NRSB,2022Zhang et al.,AMT,2023500+registered users from 200 institutes in 25 countriesPOMINO NO2VCD Products for OMI,TROPOMI&GEMShttp:/www.pku-atmos-acm.org/acmProduct.phpAll L

6、evel-2 and Level-3 data are freely available(2004-present)5 km-res Tropospheric NO2VCDs in JJA 20182022Unit:1015cm-27POMINO-GEMS NO2VCD Producthttp:/www.pku-atmos-acm.org/acmProduct.phpAll Level-2 and Level-3 data are available(2021-present)POMINO-GEMS NO2VCDs for JJA 2021Lin et al.,ACP,2014;Lin et

7、al.,ACP,2015;Liu et al.,AMT,2019;Liu et al.,AMT,2020;Zhang et al.,NRSB,2022;Zhang et al.,AMT,20238Lin et al.,ACP,2014;Lin et al.,ACP,2015;Liu et al.,AMT,2019;Liu et al.,AMT,2020;Zhang et al.,NRSB,2022;Zhang et al.,AMT,2023POMINO-GEMS NO2VCD Producthttp:/www.pku-atmos-acm.org/acmProduct.phpAll Level-

8、2 and Level-3 data are available(2021-present)East China West China POMINO-GEMS NO2VCDs for JJA 2021MorningNear noonEarly afternoonEarly morningMorningNoonComparison between Multiple NO2Products910High-Resolution NOx Emission Estimate Based on PHLETPeking University High-Resolution Lifetime-Emission

9、-Transport Model(,=,(,+,=0Kong et al.,ACP,2019;Kong et al.,EST,2022Net local sourceMean advectionEffective diffusion Fast convergence;High resolution(5 km)Horizontal transport;Non-linear chemistry;Proper pixel matching11PHLET is Much More Accurate Than Other MethodsDivergencePHLETPHLET DivergencePop

10、ulation Density王思杰等,地球科學學報,2024Top-down and bottom-up emissions for JJA 2019PKU 2014EDGAR 2015MEIC 2017CEDS 2019PHLET 2019DIV 2019EMG 2019BeijingTianjinTangshanNOx emissions(104kg h-1)5 km-Res NOx Emissions Reveal Fine Scale Features12JJA emissions(kg km-2h-1)Kong et al.,EST,2022High-Resolution NOx

11、Emission Retrieval DataReveal Anthropogenic Sources Missing in InventoriesBeijingHetaoWest Xinjiang13Satellite5 kmMEIC25 kmPKU-NOx10 kmkg NO2km-2 h-1Kong et al.,EST,2022BaichengG6&G7HighwayAirportZhangjiakouWujia River14Unexpected High NO2VCDs over Tibetan Plateau LakesPOMINO-TROPOMI NO2VCDs in JJA

12、2019(1015cm-2)Kong et al.,Nature Geoscience,2023;Nature Research HighlightNO2VCDs in 2018/072020/07(1015cm-2)15High-Resolution NOx Emission Retrieval DataDiscover Unknown High Natural Emissions from TP Lakes Total lake emissions are comparable to megacitiesgN/m2/hgN/m2/hKong et al.,Nature Geoscience

13、,2023;Nature Research Highlight16Microbial Mechanisms of NOx Emissions under Rapid WarmingAnammox,nitrification-denitrification,and/or other mechanisms?Nitrogen input from melting glaciers/permafrost?Closed lake,low-oxygen,low-organic,saline,alkaline Formed in bottom water and sediment?in surface wa

14、ter?Lake EcologyNitrogen EmissionClimate ChangeFeedbackKong et al.,Nature Geoscience,2023;Nature Research Highlight17Towards NOx Emission Retrieval at 1 km Resolution:Combining Physical and AI MethodsNOx emissions in JJA 2019 at 1 km resolution:Preliminary resultsKong et al.,in prepkg NO2km-2h-1來源：黃

15、成18 Satellite measurements offer an unpresented opportunity to monitor worldwide NOx pollution and emissions at km resolution.Our fast,fine,reliable emission retrieval reveals considerable previously unaccounted anthropogenic and natural sources.Our satellite data are freely available,and we look forward to collaborating with AI experts and other colleagues.Shttp:/www.pku-atmos-acm.orgWe Hire PostdocsGroup photo on 2024/06/1319