1、Satellite-Based Estimates of NOx Pollution and Emissions at High Resolutions基于卫星遥感的氮氧化物大气浓度和排放精细反演Jintai Lin 林金泰Hao Kong 孔浩,Yuhang Zhang 张宇航,Chenghao Xu 徐呈浩,Sijie Wang 王思杰,Wanshan Tan 谭婉珊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