Patrick J. Kennelly

TL;DR: The Great Falls-Lewistown Coal Field (GFLCF) in central Montana contains over 400 abandoned underground coal mines, many of which are discharging acidic water with serious environmental consequences as mentioned in this paper.

TL;DR: In this paper, a simple conic model indicates that image-tone edges where slope or aspect varies by less than 0.5° are visible on curvature maps, which can add detail to hill-shaded terrain maps in a manner similar to cognitive models employed by map viewers.

TL;DR: Two techniques of computing terrain shading under uniform diffuse illumination are described, one of which uses a GIS–based hill-shading and shadowing tool to combine many point source renderings into one approximating the terrain under Uniform diffuse illumination, and a C++ computer algorithm for computing the inclination to the horizon in all azimuth directions at all points of the terrain.

TL;DR: Evidence that darker eggs heat more rapidly than lighter ones when exposed to solar radiation suggests that egg pigmentation could play an important role in thermoregulation in cold climates, while a range of competing selective pressures further influence eggshell colours in warmer climates.

TL;DR: It is argued that this process of creating hill-shaded visualizations of terrain with sky models shows parallels to other geo-simulations, and that basing such work on standards from the computer graphics industry shows potential for its use in VGE.