Jason Blake Cohen
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View article: Improving estimation of surface PM <sub>2.5</sub> by including satellite observations of gases, aerosols, and radiation in tandem
Improving estimation of surface PM <sub>2.5</sub> by including satellite observations of gases, aerosols, and radiation in tandem Open
Shanxi Province, a major hub of coal production and industrial activity in China, faces severe PM 2.5 pollution and complex co-emission sources that challenge air quality monitoring. This study developed multiple machine learning models to…
View article: A Global Black Carbon Dataset of Column Concentration and Microphysical Information Derived from MISR Multi-band Observations and Mie Scattering Simulations
A Global Black Carbon Dataset of Column Concentration and Microphysical Information Derived from MISR Multi-band Observations and Mie Scattering Simulations Open
Black carbon, a major absorbing component of atmospheric aerosols, plays an important role in climate regulation, air quality, and human health, yet its column concentration and microphysical properties at regional and global scales remain…
View article: In-Tandem Multi-Waveband Particulate Absorption and Size Observations Yield Substantial Increase in Radiative Forcing over Industrial Central China
In-Tandem Multi-Waveband Particulate Absorption and Size Observations Yield Substantial Increase in Radiative Forcing over Industrial Central China Open
Coal-based industry in Shanxi, China, including power generation, steel, coke, and chemical manufacturing, emits large quantities of black carbon (BC), contributing significantly to regional aerosol radiative forcing. However, there are su…
View article: Supplementary material to "In-Tandem Multi-Waveband Particulate Absorption and Size Observations Yield Substantial Increase in Radiative Forcing over Industrial Central China"
Supplementary material to "In-Tandem Multi-Waveband Particulate Absorption and Size Observations Yield Substantial Increase in Radiative Forcing over Industrial Central China" Open
View article: Fire-Driven Trend Reversal in U.S. Ozone Exposure and Air Quality Progress
Fire-Driven Trend Reversal in U.S. Ozone Exposure and Air Quality Progress Open
Recent surge in wildfire emissions from the Western USA and Canada significantly elevates the surface ozone levels across the Continental USA, hindering regulatory compliance and undermining public health1-5. Here, we develop a …
View article: Space-based inversion reveals underestimated carbon monoxide emissions over Shanxi
Space-based inversion reveals underestimated carbon monoxide emissions over Shanxi Open
Carbon monoxide is a primary pollutant in energy-rich regions. Here we use a space-based mass-conserving framework based on observed carbon monoxide and formaldehyde columns to quantify carbon monoxide emissions over the energy-driven prov…
View article: Focus on atmospheric remote sensing and environmental change
Focus on atmospheric remote sensing and environmental change Open
View article: Reply on RC2
Reply on RC2 Open
View article: Multi-platform observations and constraints reveal overlooked urban sources of black carbon in Xuzhou and Dhaka
Multi-platform observations and constraints reveal overlooked urban sources of black carbon in Xuzhou and Dhaka Open
Here we use multi-waveband single scattering albedo observations from ground-based instruments and satellite to constrain black carbon aerosol's physical properties and loading over Xuzhou, China, and Dhaka, Bangladesh. Our daily high-reso…
View article: Ground-Based Hyperspectral Imaging Detection Method for Methane Escape from Coal Fire Sources
Ground-Based Hyperspectral Imaging Detection Method for Methane Escape from Coal Fire Sources Open
View article: Observationally Constrained Emissions Variability Contributes Significantly to Global NOx, CO, and CO2 Emissions
Observationally Constrained Emissions Variability Contributes Significantly to Global NOx, CO, and CO2 Emissions Open
Due to relatively short lifetime and wide variability, global-scale high-resolution emission inventories of trace gasses need further improvement to match ground-based observations, especially with respect to extreme events and changing so…
View article: A Synergistic, Multi-Platform Approach to Deriving Optically Constrained Aerosol Column Products: Insights into Spatio-temporal dynamics of Black Carbon around Xuzhou and Dhaka
A Synergistic, Multi-Platform Approach to Deriving Optically Constrained Aerosol Column Products: Insights into Spatio-temporal dynamics of Black Carbon around Xuzhou and Dhaka Open
This study presents a top-down aerosol characterization by combining UV band information from TROPOMI and multi-waveband data from AERONET to constrain black carbon (BC) aerosol size and mixing state. The approach, applied to Xuzhou, China…
View article: Space-based inversion tracks and attributes Shanxi's under-estimated carbon monoxide emissions
Space-based inversion tracks and attributes Shanxi's under-estimated carbon monoxide emissions Open
A space-based mass-conserving framework using observed carbon monoxide (CO) and formaldehyde (HCHO) columns quantifies day-to-day and grid-to-grid CO emissions over energy-consuming Shanxi. Annualized total emissions are 8 times higher tha…
View article: Comment on essd-2024-146
Comment on essd-2024-146 Open
Abstract. Remote sensing based on satellites can provide long-term, consistent, and global coverage of NO2 (an important atmospheric air pollutant) as well as other trace gases. However, satellite data often mis…
View article: Indirect estimation of daily CO<sub>2</sub> emissions from fossil fuel consumption based on TROPOMI NO<sub>2</sub>
Indirect estimation of daily CO<sub>2</sub> emissions from fossil fuel consumption based on TROPOMI NO<sub>2</sub> Open
2024年5月15日中国矿业大学 环境与测绘学院的陆凌霄、秦凯团队在《遥感学报》发文,揭示了利用卫星遥感技术间接估算化石能源消费二氧化碳排放量的新方法。团队选取多个城市和能源区为研究对象,通过分析NOx与CO2排放关系,成功估算出化石能源消费的CO2日排放量。该研究不仅提高了空间分辨率和时间频次,还能揭示小型排放源,为我国化石能源碳排放核算提供了重要技术支持。
View article: Mapping open-pit mining area in complex mining and mixed land cover zone using Landsat imagery
Mapping open-pit mining area in complex mining and mixed land cover zone using Landsat imagery Open
The monitoring of open-pit mining and reclamation activities is an important part of ecological protection across various countries. Among the many methods of monitoring open-pit mining areas, satellite remote sensing is the most widely us…
View article: New Top-Down Estimation of Daily Mass and Number Column Density of Black Carbon Driven by Omi and Aeronet Observations
New Top-Down Estimation of Daily Mass and Number Column Density of Black Carbon Driven by Omi and Aeronet Observations Open
View article: Observational Uncertainty Causes Over Half of Top-Down Nox Emissions Over Northern China to Be Either Biased or Unreliable
Observational Uncertainty Causes Over Half of Top-Down Nox Emissions Over Northern China to Be Either Biased or Unreliable Open
View article: Data for "Accounting for NOx emissions from biomass burning and urbanization doubles existing inventories over South, Southeast and East Asia"
Data for "Accounting for NOx emissions from biomass burning and urbanization doubles existing inventories over South, Southeast and East Asia" Open
Fig_1_Mask_ROI.mat is the area mask and the standard deviation of OMI NO2 over the ROI.Fig_2_PC_EOF.mat is the EOF map and PC time series of the first 4 mode of OMI NO2 dataset.Fig_3_EOF_PC_4_Typical_Urban_And_BB.mat s the 2 typical EOF ma…
View article: Classifying and Quantifying Decadal Changes in Wet Deposition Over Southeast and East Asia Using Eanet, Omi, and Gpcp
Classifying and Quantifying Decadal Changes in Wet Deposition Over Southeast and East Asia Using Eanet, Omi, and Gpcp Open
View article: Data for 'Individual Coal Mine Methane Emissions Constrained by Eddy-Covariance Measurements: Low Bias and Missing Sources'
Data for 'Individual Coal Mine Methane Emissions Constrained by Eddy-Covariance Measurements: Low Bias and Missing Sources' Open
Individual Coal Mine Methane Emissions Constrained by Eddy-Covariance Measurements
View article: Quantifying and attributing methane emissions from coal mine aggregation areas using high-frequency ground-based observations
Quantifying and attributing methane emissions from coal mine aggregation areas using high-frequency ground-based observations Open
This work introduces the results of an intensive 15-day surface observation campaign of methane (CH4) and adapts a new analytical method to compute and attribute CH4 emissions. The selected area has a high atmospheric concentration of CH4 …
View article: Author response to comments on egusphere-2023-1210
Author response to comments on egusphere-2023-1210 Open
Abstract. China’s Shanxi Province accounts for 12 % of global coal output, and therefore is responsible for a very large fraction of the total global methane (CH4) emissions, as well as being a large source of u…
View article: Remotely Sensed Top-Down Derived Daily BC Over Rapidly Changing Western China shows Significant Decreases in Mass Due to Policy Action, Coupled with Inconsistent Changes in Number, Size, and Mixing Properties
Remotely Sensed Top-Down Derived Daily BC Over Rapidly Changing Western China shows Significant Decreases in Mass Due to Policy Action, Coupled with Inconsistent Changes in Number, Size, and Mixing Properties Open
Rapid economic and energy growth in Asia has led to change in the loadings of black carbon (BC) the last two decades. This work uses remotely sensed column aerosol absorption (AAOD) to quantify BC loading day-by-day and grid-to-grid. An un…
View article: Radiative Forcing Bias Calculation Based on COSMO (Core-Shell Mie model Optimization) and AERONET data
Radiative Forcing Bias Calculation Based on COSMO (Core-Shell Mie model Optimization) and AERONET data Open
Direct radiative forcing (DRF) of aerosols is driven by aerosol concentration, size, and mixing state, and solar radiation. This work introduces Core-Shell Mie model optimization(COSMO) to compute top of the atmosphere (TOA) forcing based …
View article: Supplementary material to "Individual Coal Mine Methane Emissions Constrained by Eddy-Covariance Measurements: Low Bias and Missing Sources"
Supplementary material to "Individual Coal Mine Methane Emissions Constrained by Eddy-Covariance Measurements: Low Bias and Missing Sources" Open
View article: Reply on RC2
Reply on RC2 Open
Abstract. This work presents a new model free inversion estimation framework using daily TROPOMI NO2 columns and observed fluxes from the continuous emissions monitoring systems (CEMS) to quantify three years of…
View article: Estimation of NO <sub>2</sub> emission strengths over Riyadh and Madrid from space from a combination of wind-assigned anomalies and a machine learning technique
Estimation of NO <sub>2</sub> emission strengths over Riyadh and Madrid from space from a combination of wind-assigned anomalies and a machine learning technique Open
Nitrogen dioxide (NO2) air pollution provides valuable information for quantifying NOx (NOx = NO + NO2) emissions and exposures. This study presents a comprehensive method to estimate average tropospheric NO2 emission strengths derived fro…
View article: Comment on egusphere-2023-2
Comment on egusphere-2023-2 Open
Abstract. This work presents a new model free inversion estimation framework using daily TROPOMI NO2 columns and observed fluxes from the continuous emissions monitoring systems (CEMS) to quantify three years of…
View article: Reply on RC1
Reply on RC1 Open
Abstract. This work presents a new model free inversion estimation framework using daily TROPOMI NO2 columns and observed fluxes from the continuous emissions monitoring systems (CEMS) to quantify three years of…