Sentinel-5P Sulphur Dioxide - SO2

//VERSION=3
const band = "SO2";
var minVal = 0.0;
var maxVal = 0.01;

function setup() {
  return {
    input: [band, "dataMask"],
    output: {
      bands: 4,
    },
  };
}

var viz = ColorRampVisualizer.createBlueRed(minVal, maxVal);

function evaluatePixel(samples) {
  let ret = viz.process(samples[band]);
  ret.push(samples.dataMask);
  return ret;
}

Evaluate and Visualize

• Copernicus Browser
• EO Browser

Description

Sulphur dioxide enters the Earth’s atmosphere through both natural and anthropogenic (human made) processes. It plays a role in chemistry on a local and global scale and its impact ranges from short term pollution to effects on climate. Only about 30% of the emitted SO2 comes from natural sources; the majority is of anthropogenic origin. Sentinel-5P/TROPOMI instrument samples the Earth’s surface with a revisit time of one day with a spatial resolution of 3.5 x 7 km which allows the resolution of fine details including the detection of smaller SO2 plumes. Measurements are in mol per square meter (mol/ m^2). Find more information here.

Description of representative images

High methane concentrations over Italy, 2019-08-31.