essential
likely
maybe
probably not
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Atmospheric windows โ which spectral regions transmit well?
Plain English (default view) โ short, conversational, lightly seasoned with science
๐ฌ Scientific / formula (revealed on click) โ markdown + $$โฆ$$ ok
Bands where the atmosphere lets EM radiation through to the sensor: - ๐ฆ๐ฉ๐ฅ **Visible** (0.4 โ 0.7 ยตm) - ๐ช **Near-infrared** (0.7 โ 1.3 ยตm) - ๐ซ **Middle / shortwave IR** (1.3 โ 3.0 ยตm, with gaps) - ๐ฅ **Thermal IR** - 3.0 โ 5.0 ยตm (smaller window) - **8 โ 14 ยตm** (big thermal window โ Landsat TIRS lives here) - ๐ก **Microwave** (1 mm โ 1 m) โ radar; essentially all-weather โ ๏ธ Blocked regions are dominated by **HโO** and **COโ** absorption.
๐ก Mnemonic / memory aid (shown on hover)
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