Category Archive: GIS

Getting started with NetCDF – reading CEH GEAR

Last year CEH released an interpolated precipitation dataset for the UK call GEAR. You can read about this dataset here, or view slides presented at the 2014 BHS Symposium here. In short; these… Continue reading

Rare snowmelt estimation (GB)

I read Hough and Hollis’ 1997 paper recently which uses Met Office synoptic stations to estimate a magnitude – recurrence relationship for snowmelt in the UK. i.e. how often do we get how… Continue reading

Cairngorms snow cover, 1954-1984

Neil Reid wrote a post this week about news from the Mar Lodge estate. On it he mentions the future of Derry Lodge. I’ve never been to Derry Lodge so seeing a photograph… Continue reading

QGIS user group – presentation

I spoke today at the second Scottish QGIS user group meeting. It was a diverse gaggle of practitioners including academics, council, quango and no doubt many more. Some really interesting talks went on,… Continue reading

MODIS: the many rastered beast, a how to guide

I’ve finally bitten the bullet and brought my data sources up to 2014 using snow cover data from the MODIS project. MODIS flies on two satellites, Aqua and Terra with the latter being… Continue reading

How to view and query elevation models and other raster data

Since I wrote my post on the OS Terrain 50 digital terrain model I’ve had a steady stream of internet searches sending people to my blog. I’ve also had a couple of questions… Continue reading

GB potential evapotranspiration dataset

A few weeks ago I wrote about a method to derive incoming solar radiation for different latitudes. This was to help a GIS Masters student who’s looking to derive an equation for propwet… Continue reading

Avalanche and icebergs!

I retweeted a photo Iain Cameron put on twitter of icebergs in Loch Etchachan (Cairngorms) earlier today: Loch Etchachan, Ben Macdui, on 14th June. Yes, June. Icebergs? pic.twitter.com/MBiDdsQA6W — Iain Cameron (@theiaincameron) June… Continue reading

Caleb’s List (The Arthur’s)

This post doesn’t really relate to snow, but has everything to do with mountains in Scotland. There’s been a bit of noise recently about Kellan MacInnes‘ book: Caleb’s List. This details the hills… Continue reading

Extraterrestrial radiation dataset

I am currently helping supervise a masters student for their summer project. They’re working on improving a parameter used in flood estimation. The drive for the project is to use the revised parameter… Continue reading