Optical Imagery is Eclipsed!

Download this page in PDF format Last week’s eclipse gave an excellent demonstration of the sun’s role in optical remote sensing. The image to the left was acquired on the 21st August by the Visible Infrared Imaging Radiometer Suite (VIIRS) … Continue reading

The cost of ‘free data’

Download this page in PDF format Last week, the US and Japan announced free public access to the archive of nearly 3 million images taken by ASTER instrument; previously this data had only been accessible with a nominal fee. ASTER, … Continue reading

Reprocessing Data Challenges of Producing A Time Series

Download this page in PDF format Being able to look back at how our planet has evolved over time, is one of the greatest assets of satellite remote sensing. With Landsat, you have a forty year archive to examine changes … Continue reading

Ocean Colour Cubes

Download this page in PDF format It’s an exciting time to be in ocean colour! A couple of weeks ago we highlighted the new US partnership using ocean colour as an early warning system for harmful freshwater algae blooms, and … Continue reading