Merging Intersecting Lines in R
I came across a problem without a clear solution. I had lots (and lots) of line segments, which represented river stretches across GB. All I wanted to do was join together touching segments into a
analysis
Playing CHESS with Effective Rainfall (GB)
It’s useful to know how much water enters a system, particularly as part of the runoff model. I’ve always thought of the budget of precipiation (Prec) & potential evapotranspiration (PET) as effective rainfall (Raineff), but
The Longest Countries Made of Elements
My pub quiz team have started setting a quiz each week to keep us in good form, with one person selecting questions for the others each week. For my last turn (full quiz here, if
Animating Journeys as Maps
Over a few years going on Wednesday Wanders, I’ve collated quite a lot of data on walking routes in and around Edinburgh. In some cases this is time-stamped GPS data taken from the walk, otherwise
4 Maps of the US Electoral College
There have been a lot of articles showing up in and around the US election result either calling for the abolition of the electoral college based on its unfair representation of the populous, or the
Blimp-based aerial archaeology, circa 2006
Many years ago now, I was part of a group looking at archaeological GIS and experimenting with the use of a small blimp and remote camera for the purposes of scientific research. These days you
Seabird Density Visualisation, British Isles
I wanted to do a pretty simple GIS task with some nice visualisation, and in the course of my work had stumbled upon the ‘Magic’ site the government has set up. It’s not the flashiest
RRS Discovery – Underwater Science!
This is roughly halfway between personal research and work, as I won a ballot to get a tour of the RRS Discovery – a NERC research ship that was visiting London for a few days.