Digital Geography

Landsat-8: how not to plan a mission (Part 1: policy)

I was recently reading the 2012 article by James R. Irons and colleagues describing the Landsat-8 mission (or Landsat Data Continuity Mission, LDCM, as it was then called)¹. They do a very good job in describing the mission from planning to inception. I like to think of this paper as a guide to how not to plan an Earth Observation mission. Here’s my reasoning. Landsat-8’s difficult conception The logic behind Landsat-8 (L8) is impeccable. US agencies had realised that operational remote sensing, including at the Department of Agriculture and the United States Geological Survey (USGS), not to mention science, relied on…

Landsat Data Continuity Mission

Looking Back Most people using GIS or remote sensing data came across the data obtained by the landsat satellite family. It all started with the Landsat 1 mission on July 23, 1972. The Landsat missions aquired millions of pictures which made available to public usage in 1992. Sensors developed and provided more and more details in terms of spectral and ground resolution.