in contrast to the gridless particle-tracking approximation that I used, or the grid-warping concept independently developed in parallel to my work by Worden and Harvey, 2000), demonstrating the value of different approaches and assumptions (e.g., Mackay, Priest, and Lockwood, 2002; Upton and ...
My kind neighbour Peter, and my handsome nephew Donald. (Nephew Donald typed this for his aunt, who does not use a computer.) Rina MacKay • It was the late 1950s and early 60s, and I had a great snow shovelling trapline in the Roxboro district of Calgary. If it snowed overnight...