This Webcast, presented by Tom Lee of the Naval Research Laboratory, focuses on feature identification using a combination of high-resolution multispectral polar and geostationary satellite imagery products.
The Webcast is made up of five short sections focus on a set of particularly challenging feature identification problems including: clouds over snow; contrails/thin cirrus; fires, hot spots, and smoke; blowing dust; snow, icebergs, and pack ice. Examples are included from Asia, Europe, and North America. A table summarizes suggested detection strategies for each phenomena type, based on available polar and geostationary capabilities and whether the event occurs during daytime or nighttime.
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Using multispectral imagery identify the following features:
- Contrails/thin cirrus
- Fires, smoke, and hot spots
- Blowing dust
- Snow, icebergs, and pack ice
Use multispectral imagery to:
- Distinguish clouds from show on the ground
- Distinguish smoke from clouds
- Distinguish blowing dust from clouds
January 2021 - The text/print version of this lesson was updated to current internet standards (mp4/html5), with no changes to content.
July 2014: Most of the material in this lesson is dated with regard to the newer multispectral observing capabilities and products becoming available since the 2002 publication date.
