GEOS-Chem model output and local and national monitoring network measurements used to assess the efficacy of autumn-winter emission controls on air quality in the Beijing-Tianjin-Hebei region

Data include air pollutant surface concentrations simulated with the GEOS-Chem chemical transport model and measured at local and national monitoring networks in the Beijing-Tianjin-Hebei region.<br><br>All data are in NetCDF format. <br>Data files include:<br>"gc-outputs-AW2016-base-emissions.nc" GEOS-Chem surface concentrations of PM2.5 components, CO, NO2, and SO2 over northern China averaged over October 2016 to March 2017 (AW2016) using unscaled bottom-up emissions. <br>"gc-outputs-AW2016-scaled-NO-SO2-CO.nc" GEOS-Chem surface concentrations of PM2.5 components, CO, NO2, and SO2 over northern China averaged over October 2016 to March 2017 (AW2016) using bias-corrected emissions of NO, SO2 and CO."gc-outputs-AW2016-scaled-NO-SO2-CO-VOCs.nc" GEOS-Chem surface concentrations of PM2.5 components, CO, NO2, and SO2 over northern China averaged over October 2016 to March 2017 (AW2016) using bias-corrected emissions of NO, SO2, CO, and a test of the effect of 50% increase in anthropogenic NMVOCs emissions on CO concentrations."gc-outputs-AW2017-scaled-NO-SO2-CO-OC-BC.nc" GEOS-Chem surface concentrations of PM2.5 components, CO, NO2, and SO2 over northern China averaged over October 2017 to March 2018 (AW2017) using emissions for this time period obtained by scaling emissions for the previous year."gc-pm25-AW2017-with-MET-AW2016.nc" GEOS-Chem surface concentrations of PM2.5 over northern China using October 2017 - March 2018 (AW2017) emissions and October 2016 - March 2017 (AW2016) meteorology. The mean for Oct-Mar is given."gc-pm25-components-APHH-IAP.nc" Daily means of GEOS-Chem PM2.5 and components for the model grid coincident with the APHH field campaign in 2016 at the Institute of Atmospheric Physics urban site in Beijing."gc-pm25-components-APHH-Pinggu.nc" Daily means of GEOS-Chem PM2.5 and components for the model grid coincident with the APHH field campaign in 2016 at the Pinggu rural site in Beijing."surface-aq-regrid-to-geoschem.nc" Surface observations from local and national monitoring networks gridded to the GEOS-Chem model horizontal grid in northern China averaged from October 2016 to March 2017 (AW2016) and from October 2017 to March 2018 (AW2017). Also included are the relative changes from AW2016 to AW2017."met-condition-aw2016-aw2017.nc" Meteorology over northern China averaged over October 2016 to March 2017 (AW2016) and October 2017 to March 2018 (AW2017). Includes planetary boundary layer (PBL) height, surface temperature, relative humidity and 10-meter wind fields.<br>All files are in NetCDF format.

本数据集包含基于GEOS-Chem化学传输模型模拟所得，以及京津冀地区地方与国家级监测网络实测得到的地表空气污染物浓度数据。

所有数据均采用NetCDF格式存储。数据文件包括：
"gc-outputs-AW2016-base-emissions.nc"：采用未缩放的自下而上排放清单，针对2016年10月至2017年3月（AW2016）时段中国北方区域平均的GEOS-Chem地表浓度数据，涵盖PM2.5组分、一氧化碳（CO）、二氧化氮（NO2）及二氧化硫（SO2）。
"gc-outputs-AW2016-scaled-NO-SO2-CO.nc"：采用偏差校正后的NO、SO2及CO排放清单，针对2016年10月至2017年3月（AW2016）时段中国北方区域平均的GEOS-Chem地表浓度数据，涵盖PM2.5组分、CO、NO2及SO2。
"gc-outputs-AW2016-scaled-NO-SO2-CO-VOCs.nc"：采用偏差校正后的NO、SO2、CO排放清单，并测试人为非甲烷挥发性有机物（NMVOCs）排放提升50%对CO浓度的影响，针对2016年10月至2017年3月（AW2016）时段中国北方区域平均的GEOS-Chem地表浓度数据，涵盖PM2.5组分、CO、NO2及SO2。
"gc-outputs-AW2017-scaled-NO-SO2-CO-OC-BC.nc"：采用基于上一年度排放清单缩放得到的对应时段排放数据，针对2017年10月至2018年3月（AW2017）时段中国北方区域平均的GEOS-Chem地表浓度数据，涵盖PM2.5组分、CO、NO2及SO2。
"gc-pm25-AW2017-with-MET-AW2016.nc"：采用2017年10月至2018年3月（AW2017）排放清单与2016年10月至2017年3月（AW2016）气象场数据，模拟得到的中国北方区域PM2.5地表浓度，给出2016年10月至2017年3月的时段平均结果。
"gc-pm25-components-APHH-IAP.nc"：针对2016年APHH野外观测实验与北京大气物理研究所城市站点匹配的模型网格，给出GEOS-Chem模拟的PM2.5及其组分的日均值数据。
"gc-pm25-components-APHH-Pinggu.nc"：针对2016年APHH野外观测实验与北京平谷乡村站点匹配的模型网格，给出GEOS-Chem模拟的PM2.5及其组分的日均值数据。
"surface-aq-regrid-to-geoschem.nc"：将中国北方地区地方与国家级监测网络的地表大气观测数据重网格化至GEOS-Chem模型水平网格，涵盖2016年10月至2017年3月（AW2016）及2017年10月至2018年3月（AW2017）两个时段的平均数据，同时包含AW2016至AW2017的相对变化量。
"met-condition-aw2016-aw2017.nc"：中国北方区域2016年10月至2017年3月（AW2016）及2017年10月至2018年3月（AW2017）两个时段的平均气象场数据，涵盖行星边界层（Planetary Boundary Layer, PBL）高度、地表气温、相对湿度及10米高度风场数据。

所有文件均采用NetCDF格式存储。