Geomorphology GLG 362598 Instructor Kelin X Whipple kxwasu

Geomorphology GLG 362/598 • Instructor: Kelin X. Whipple, kxw@asu. edu, ISTB 4 -777 (5 -9508) • TA: Emily Zawacki, eezawack@asu. edu, ISTB 4603 • Office Hours – just make an appointment • Your Info (please jot down and hand in) – – Year and Primary Interest (major/research focus) Math/Physics/Geomorphology background Software experience (Arc. GIS, Excel, Matlab, SSH) Own a laptop for in class use? • If yes, prefer local install Aps? Rec: bring to lab – Reminder LAB: 12: 55 -2: 55 Wed in PSH 461

Geomorphology GLG 362/598 • Process-based instruction. – Textbook is complementary. I do not survey different landscapes (desert, coastal, permafrost, alpine, etc): Hillslopes, Channels (glaciers), +/- Floodplains – Teach how to think about all landscapes – How to read a landscape, how to proceed with a quantitative analysis • Project-based course – Hydrology; Hillslopes and Channel Heads; Alluvial Fans; Fluvial Processes; Landscape Evolution • Project Reports (no exams) – Every other lab -- 4 page (single, 12 point) plus figures, maps, cross-sections, calculations. – START EARLY, STAY ON SCHEDULE

Geomorphology GLG 362/598 • Field Trips – Depart EARLY – 7: 30 am; We Provide Vehicles; No Make Ups – #1 Sept 6 -7 (Fri-Sat Camp); Flagstaff Volcanic Field – #2 Oct 5 (Sat); Verde River Hydraulics • Practical Skills – – – Arc. GIS, Matlab/Excel, Jupyter Notebooks Airphoto Interpretation/ Mapping Surficial Units Surveying (basics) Stream gaging DEM Analysis • Grads: same exercises, different expectations

Geomorphology GLG 362/598 • Textbook – Geomorphology: The Mechanics and Chemistry of Landscapes, Anderson and Anderson, Cambridge University Press, 2010. • Class Website (not Blackboard) • http: //whipple 362. asu. edu/index. html • Motivations for Study of Surface Processes – First Wave Climate Science Completed: climate is changing, causes known – Second Wave Coming: what are consequences, how respond? – Landuse Change plausibly even more dramatic – Prediction: Need Quantitative Understanding of Processes / Record of Past Conditions/Responses – Earth System Response to Past Changes? – Seismic Hazard Assessment – Record of Past Conditions (Tectonics, Climate) Preserved in Landscapes: Long Term Landscape Evolution

Geomorphology GLG 362/598 • Labs – First Lab Wednesday, Rm H 461 – Topic is Landuse and Hydrology – Learn to Use Arc. GIS • Lab 1 has 3 parts, Lab 1 a deliverable due this Thursday (nothing major – just need to keep pace with learning Arc)

Overview/Guidelines (Chapter 1) • Many interacting processes: wind, rain, runoff, ice, heat/cool, freeze/thaw, chemical attack – all modualted by life; all event-driven, variable • Our Approach: • Conservation (of mass [water, sediment, atoms], energy, momentum) • Transport Rules (flow of water ice, transport of sediment, etc) • Event Size, Frequency and Duration (storms, floods, climate variations, etc)

Video of One Year’s Weather

Runoff vs Rainfall

Taiwan Geology and Topography – 3 D

Taiwan Cross-sections

Taiwan Cross-sections

Sandbox Experiment, with Erosion “Erode” (slice with a knife) to maintain a critical taper

Orogenic Wedge. Theory: Strong Climate-Tectonics Coupling Mechanics of Deformation: Theory for Control of Orogen Width; Strain Concentration Stolar et al, 2006 Penrose Volume

DESERT Deflected Rivers JUNGLE ~12 m Annual Rainfall

TRMM Rainfall Map

Numerical Simulations: Strong Climate-Tectonics Coupling Willett, 1999 JGR Beaumont et al. , 2001 Nature