This week Shannon talks about back to back field trips, broken airplanes, and rain. John relates a story about a strange northeast tradition and shares a traffic related fun paper.

Shannon’s Trip * Paper about zebra dolomite * Sand Bar Videos * Glen Canyon Dam * Hoover Dam * Riffle * Lee’s Ferry * Kring Paper in Episode 30 * Meteor Crater * Lowell Observatory

Punkin’ Chunkin’ * Howard, PA Chunkin’ Website * Graupel * World Championship Punkin Chunkin * Smokin’ Lamas

Fun Paper Friday * Have you ever been stuck in traffic and wondered why the traffic jam moves like a wave? This week we discuss the dynamics of traffic jams. * Giant traffic jam in China * Kerner, B. S. (1998). Experimental features of self-organization in traffic flow. Physical Review Letters, 81(17), 3797–3800. http://doi.org/10.1103/physrevlett.81.3797 * Flynn, Morris R., et al. “Self-sustained nonlinear waves in traffic flow.” Physical Review E 79.5 (2009): 056113.

Contact us: Show - www.dontpanicgeocast.com - @dontpanicgeo - show@dontpanicgeocast.com

John Leeman - www.johnrleeman.com - @geo_leeman

Shannon Dulin - @ShannonDulin