F1 Brightness Temperature Visualization

//VERSION=3
const blue_red = [
  [273, 0xffffff],
  [274, 0xfefce7],
  [283, 0xFDE191],
  [293, 0xf69855],
  [303, 0xec6927],
  [323, 0xaa2d1d],
  [363, 0x650401],
  [473, 0x3d0200]
];

const viz = new ColorRampVisualizer(blue_red);

function evaluatePixel(samples) {
  let val = samples.F1;
  val = viz.process(val);
    val.push(samples.dataMask);
    return val;
}

function setup() {
  return {
    input: [{
      bands: [
        "F1",
        "dataMask"
      ]
    }],
    output: {
      bands: 4
    }
  }
}

Evaluate and Visualize

• Copernicus Browser
• EO Browser

General description

The script for Sentinel-3 SLSTR visualized a brightness temperature band F1 in red to blue color scheme. It can be used to monitor heat and detect wildfires.

Description of representative images

SLSTR F1 visualization of the US. Acquired on 2021-06-13, processed by Sentinel Hub.