Greenwashing in the US metal industry? A novel approach combining SO2 concentrations from satellite data, a plant-level firm database and web text mining

Schmidt, Sebastian; Kinne, Jan; Lautenbach, Sven; Blaschke, Thomas; Lenz, David; Resch, Bernd

doi:10.1016/j.scitotenv.2022.155512

Cited by 7 publications

(2 citation statements)

References 65 publications

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“…On the other hand, the manufacturing and industrial sectors are also primary emission sources of SO2. Schmidt et al (2022) showed a positive correlation between the number of employees in the metal industry and local SO2 concentrations (Schmidt et al, 2022). In Indonesia, the anomaly of air pollutants (NO2) from Sentinel 5 integrated during COVID-19 and aerosol estimation indicate that the seasonal and location-specific would exacerbate serious problems over Medan (Faisal & Jaelani, 2023;Tampubolon et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Measuring The Spatio-Temporal Distribution of Sulfur Dioxide (SO2) with Copernicus Sentinel-5P Near Real Time in Medan City

Yanti,

Tampubolon,

Liu

et al. 2024

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This study aims to monitor the impact of sulfur dioxide (SO2), a significant contributor to atmospheric corrosion and associated with air pollution, in urban and industrial areas through empirical models of spatial distribution and temporal estimation in Medan. Datasets of Sentinel 5P NRTI are worth using to monitor the formation of sulfate aerosols or SO2 emissions from natural sources and anthropogenic origin in near real-time from 2019 until 2023 on the local scale, Medan. The source dataset covers 1,11 km of spatial image resolution on orbital in daily revisit time with a spectral bound between the ultraviolet and the shortwave infrared. The measurement of atmospheric SO2 concentrations is generated by enumerating the SO2 vertical column density technique at the soil surface with the cloud-based platform The Earth Engine (EE) Code Editor to handle large data sizes and produce interactive mapping. Based on the availability of auxiliary results, the number of spreading SO2 concentrations fell from 0,92 mmol/m2 in 2019 to 0,41 mmol/m2 in 2023, a reduction of 49.98 percent. The average of SO2 concentrations has decreased substantially over the years. Consequently, these pollutants have recorded long-term health and meteorological parameters impact that substances can rise or reduce acid rain.Keywords: Air pollution, Meteorological parameters, Sentinel 5P NRTI, SO2

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Section: Introductionmentioning

confidence: 99%

Measuring The Spatio-Temporal Distribution of Sulfur Dioxide (SO2) with Copernicus Sentinel-5P Near Real Time in Medan City

Yanti,

Tampubolon,

Liu

et al. 2024

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“…In addition, SO 2 also sharply increases air toxicity and seriously affects human health. Research has shown that SO 2 stimulates the respiratory system and deteriorates pulmonary function, thereby weakening the immune system [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Spectral Calibration for SO2 Cameras with Light Dilution Effect Correction

Guo

Zhang

et al. 2023

Remote Sensing

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The detection ability of SO2 cameras has been improved effectively, while the calibration is still the main factor that limits their measurement accuracy. This paper presents a nonlinear calibration theory by considering the effect of light dilution due to the path radiance as well as the dependence of plume aerosol on scattering wavelength. This new spectral calibration method is used to retrieve the SO2 column density and emission rate of the Etna volcano. Results show that, compared with the DOAS calibration approach, the inversion error can be reduced by 13% if the new spectral calibration is adopted. The superiority of the proposed method will become more obvious for long-distance detection of optically thick plumes.

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Potentials and challenges of artificial intelligence-supported greenwashing detection in the energy sector

Boedijanto,

Delina

2024

Energy Research & Social Science

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Greenwashing in the US metal industry? A novel approach combining SO2 concentrations from satellite data, a plant-level firm database and web text mining

Cited by 7 publications

References 65 publications

Measuring The Spatio-Temporal Distribution of Sulfur Dioxide (SO2) with Copernicus Sentinel-5P Near Real Time in Medan City

Measuring The Spatio-Temporal Distribution of Sulfur Dioxide (SO2) with Copernicus Sentinel-5P Near Real Time in Medan City

Spectral Calibration for SO2 Cameras with Light Dilution Effect Correction

Potentials and challenges of artificial intelligence-supported greenwashing detection in the energy sector

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