Outline. Introduction. GLY July L1 Why Environmental Geology 1. Course Contents Study Guide Why Environmental Geology? Ms.

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1 Introduction Ms. Nelda Breedt GLY 162 Environmental Geology 2 Outline Course Contents Study Guide Why Environmental Geology? 1

2 3 Course Contents In this module a number of aspects regarding the influence of geology on Man and the influence of Man on the geological environment are covered. To understand and manage the natural environment, of which geology forms a major part, it is appropriate to address the physical geological processes impacting on humans. 4 Lecturers English Lecturer: Ms. Nelda Breedt Office: Natural Sciences II, Room nelda.breedt@gmail.com Consulting Hours: BY APPOINTMENT 2

3 5 Lecturers Afrikaans Lecturer: Ms. Estelle Pretorius Office: Min. Sci. Building Consulting Hours: BY APPOINTMENT 6 Class Guardian GLY 162 Class Guardian: Prof. W Altermann Office: Min-Sci Bld, Rm 3 50 Telephone (o/h): wlady.altermann@up.ac.za Consulting Hours: Appointment by 3

4 Lecture Times 7 English (Ms Nelda Breedt) Monday 07:30 08:20 Tuesday 07:30 08:20 Wednesday 14:30 15:20 Friday 10:30 11:20 VD Bijlsaal/Hall Te Watersaal/Hall Eeufees/Centenary 1 Te Watersaal/Hall Practical Sessions (for English and Afrikaans students) Tuesday 14:30 17:30 Wednesday 10:30 13:30 Thursday 14:30 17:30 Min Sci 3 46 Min Sci 3 46 Min Sci Recommended Books Any of the following books will be helpful: Grotzeninger. Jordan, Press and Siever 2007: Understanding Earth. W.H. Freeman and Company. 5 th Ed Skinner, B. J., Porter, S. C. & Park, J.: The Dynamic Earth: An Introduction to Physical Geology. 5th Edition. ISBN Marshak, S Earth: Portrait of a Planet. 2nd Edition. Norton. New York. 4

5 Bibliography 9 Recommended book: Grotzeninger. Jordan, Press and Siever 2007: Understanding Earth. W.H. Freeman and Company. 5 th Ed Available from Van Schaiks, Juta and Protea Bibliography 10 Recommended book: Skinner, B. J., Porter, S. C. & Park, J.: Dynamic Earth: An Introduction to Physical Geology. 5th Edition. ISBN Wiley. USA. Available from Van Schaiks, Juta and Protea 5

6 Bibliography 11 Alternative book: Marshak, S.: Earth: Portrait of a Planet. 3rd Ed. ISBN Norton. Available from Van Schaiks, Juta and Protea 12 Assessment The dates for the GLY 162 Quarter 3 assessment opportunities are as follows: Semester Test : Monday 19 August 2013, during class time Semester Sick Test : Monday 26 August 2013 Practical Test : during the seventh week of practicals Exam: to be announced by Faculty 6

7 13 Assessment Practical (50% of semester mark) Subminimum to pass module: 50% Written report by groups on the development of an area selected on a map. 1 practical per week (check Geology Department for list to enter your name and student no.). NO EXEMPTION WILL BE GIVEN! 14 Assessment Exam (50% of final mark) Final Mark: Semester mark = Test (50%) + Prac (50%) Final mark = Semester (50%) + Exam (50%) 7

8 Why Environmental Geology? Ms. Nelda Breedt GLY 162 Environmental Geology 16 Geology versus your environment 8

9 17 Natural Disasters Natural Disasters More than one effect Geological Systems 18 Natural Disasters Fig. 1.21, Skinner et al,

10 Hurricane Dean 19 Hurricane Dean floodplain FROM: Beeld, (23 August 2007) 20 Hurricane Dean Hurricane Dean FROM: Pretoria News, 23 August 2007) 10

11 Hurricane Ivan 21 Hurricane Ivan 14 Sept deaths 22 Sabie, 2002 Flood 11

12 23 Floods July-August 2002 floods in Europe (Dresden) 24 USA floods in 2007; 12 people dead (FROM: New York Times, Aug 2007) Fox River flood, Wisconsin Blanchland River flood; Ohio 12

13 Floods Bangladesh Aug 2007: 7 people dead (3 in mudslide; 4 due to diarrhoea) 1000s forced to leave homes ~ people marooned due to flooding Crops damaged Houses destroyed 25 Volcanism 26 13

14 Earthquake Distribution 2004 Skinner et al (Fig 10.15) Tsunami Magnitude 9.0 earthquake on coast of Sumatra; estimated 1200 km from fault line slip~15m

15 Tsunami Island people of Sri Lanka alone has death toll of after the tsunami on 29 December Water flowing from flooded area back into sea; creates turbulence Muddy water flows into streets 29 Tsunami 30 Beaches of Khao Lak, Thailand hit by a tsunami 2-3 hours after the magnitude 9.0 earthquake of 26 December, Situated 500 km from epicenter; still waves of 10 meters high. Buildings and plants destroyed by waves; beach sand removed. 15

16 Tsunami 31 Banda Aceh Kus (Indonesia), before and after the 26 Des 2004 tsunami. 32 Mosque surrounded by destruction, Banda Aceh, Indonesia More than 700 bodies found from Khao Lake resort near Phuket TSUNAMI DEATH TOLL: Malingee (Indonesia), after all inhabitants were killed by tsunami. 16

17 33 Peru, 15 Aug 2007 Earthquake: magnitude 8.0 hits land, focussed in Ica and Chincha 510 deaths injuries Great famine (FROM: New York Times, Aug 2007) Landslide 34 Landslide and debris flow, 1995, La Conchita (north of Santa Barbara), California 17

18 Landslide 35 La Conchita,