14th September 2012, 12:50 PM
John Wells Wrote:Nah, differential melting of snow in a field is usually to do with earthworks, dips and shadows
Here are example of images produced with both snow cover and melt:
http://www.armadale.org.uk/gormyre.htm
Cool. Are those earthworks shown by shadows? Or is there some IR, UV, Thermal giggery pokery?