Author Archives: hannahpethen

About hannahpethen

Having completed my PhD in archaeology at the University of Liverpool, I am now a freelance archaeologists working with landscape and topographic survey and satellite imagery. I specialise in GIS, GPS, desk-based assessment and landscape projects and have a particular interest in Egyptian archaeology.

5 pieces of advice I wish I’d heard in the first year of my PhD

How to set yourself up for career success and get to grips with your PhD in your first year. Continue reading

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Fuel shortages, Google Maps and adapting your tools

How do we answer questions when the data exists but there’s no direct access? A real-world solution to a fuel shortage problem encapsulates the answer. Continue reading

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Ten practical things I wish in knew in the first year of my PhD

What should you know to make a great start on your PhD? Here I share 10 things I’ve learned since, that I wish I knew then. Continue reading

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Should I do a PhD?

Should you do a PhD? What should you think about before you apply? How can you maximise your career chances before you even begin your PhD. Continue reading

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Foreshadowing is not just for movies: A Turin papyrus and the shrines of Tutankhamun

If this was in a movie you wouldn’t believe it! Five years before the discovery of Tutankhamun, Carter’s work on a plan of the tomb of Ramesses IV, revealed inexplicable features that he would one day be able to answer. Continue reading

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Free high-resolution satellite imagery and how to find it.

Where can you find free high resolution satellite imagery for your project, which is the best imagery and what are the issues with it? Continue reading

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Finishing the map, georeferencing the pyramid of Djedefre

Georeferencing a map of the pyramid complex of Djedefre, wrestling with inaccuracies, residuals and RMSE. Continue reading

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Errors, inaccuracies, resolution and RMSE: Georeferencing a difficult map of Abu Rawash’s pyramid and cemeteries

What makes georeferencing historic maps difficult and how does the process work? Here I georeference a problematic map of Abu Rawash, pyramid and cemeteries, Egypt. Continue reading

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Wonky Giza pyramids: Oblique satellite imagery and georeferencing

Satellite imagery is very precise but can still exhibit parallax. This is a particular issue for georeferencing historic maps, demonstrated here with reference to the Giza Pyramids. Continue reading

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Shifting mastabas: Georeferencing a plan of a Fourth Dynasty Egyptian mastaba cemetery, at Abu Rawash.

How do archaeologists relate historic maps and plans to modern satellite imagery and maps? This post and video shows how a historic map of mastaba cemetery F at Abu Rawash, Egypt was georeferenced with ArcGIS. Continue reading

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