You may be interested in a cautionary tale – a well-known archaeological contractor has just done some lidar research using the EA data and reported a series of large landscape divisions in part of the Somerset levels. Unfortunately they all follow the flightlines of the aircraft and are artefacts generated by the data processing where two flightpath’s data overlap and are combined. They are not continuous, depending, I assume, on the overlap. They show really clearly on the houseprices website, which confirmed our suspicions, as the ‘texture’ in the same modern field to either side of the ‘bank’ is different.

 

 

 

That’s a pretty handy (and yes very absorbing) resource,

 

Cheers,

 

Del

 

 

Dear all

 

With apologies to anyone who already knows about it (and with thanks to my colleague Dave McOMish for drawing it to my attention) this may be of interest: a zoomable composite national (England and Wales) LiDAR map, made up from EA and NRW data. Coverage isn’t 100%, but it’s still pretty impressive:

 

https://houseprices.io/lab/lidar/map

 

(I don’t know why it’s on a house-prices site. Flood-risk assessment?)

 

If you click at any location on the map (including the bits not covered by LiDAR), it brings up a link to ‘Geohack’, which takes you straight to a wide range of imagery and maps for that location, including geology, historic OS maps, etc. It’s powerful (and very absorbing) stuff.

 

 

 

Hi Val,

 

SEPA has collected some LiDAR data across Scotland but restricted to flood zones and some coastal areas.

 

From conversations I have had with them, they have no plans to make the data available due to licensing conditions. Although I hope that after the approaches in England and Wales respectively they will change their minds.

 

Best Wishes,

Stefan

 

 

This is v impressive

Does anyone know if there is a similar link for Scottish data? And if so, what it is

Thanks

Val

 

 

 

Dear All,

 

Thought you might be interested in this press release from the Environment Agency:

 

https://www.gov.uk/government/news/lasers-reveal-lost-roman-roads

 

Cheers,

Neil

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