Sarah Parcak Satellite Quotations

The only technology that can 'see' beneath the ground is radar imagery. But satellite imagery also allows scientists to map short- and long-term changes to the Earth's surface. Buried archaeological remains affect the overlying vegetation, soils and even water in different ways, depending on the landscapes you're examining.

'Satellite archaeology' refers to the use of NASA and commercial high resolution satellite datasets to map and discover past structures, cities, and geological features.

Scientists use satellites to track weather, map ice sheet melting, detect diseases, show ecosystem change... the list goes on and on. I think nearly every scientific field benefits or could benefit from satellite imagery analysis.

You just pull back for hundreds of miles using the satellite imagery, and all of a sudden this invisible world become visible. You're actually able to see settlements and tombs - and even things like buried pyramids - that you might not otherwise be able to see.

When a wall is slowly covered over by earth, the materials it's made from decay and become part of the soils around and above it, sometimes causing vegetation above and next to the wall to grow faster or slower. Satellite imagery helps archaeologists to pick up these subtle changes.

In Egypt, I do survey work on the ground. That's really the most important part of using satellite images. You know, it helps us to find potential locations for sites, and then we get to go there on the ground and confirm what we've seen.

Before doing fieldwork in Middle Egypt, I analyzed satellite imagery to determine exactly where I wanted to go. Within three weeks, I found about 70 sites. If I had approached this as a traditional foot survey, it would have taken me three and a half years.