1/25/2016 ENVIRONMENTAL SCIENCE: The scientific study of our environment as well as our role in it. An interdisciplinary study that examines the role of humans on the earth. It is a physical, biological and social science. WELCOME TO ENVIRONMENTAL SCIENCE 10 (ES 10) Spring 2016 We will focus on information from a variety of disciplines. Topics include: geological processes, hydrology, oceanography, natural resources, climatology, population biology, ecosystems, biodiversity, biochemistry and the chemistry of pollution. ES 10 will also how human behavior and institutions affect the environment. Christa Fink, David Schwartz & Lauren Hannamen (brief Introductions) ENVIRONMENTAL SCIENCE 10 Syllabus, Text book and other resources Attendance (Adds), Promptness/Expectations Grading System: 3 midterms and 1 final + Extra Credit Option Short introductory talks by David and Christa CAREERS IN ENVIRONMENTAL SCIENCE AND RELATED FIELDS What’s your major? http://www.cyber-sierra.com/nrjobs/ http://www.ecojobs.com/ http://www.environmentalscience.org/careers http://www.bls.gov/ooh/life-physical-and-socialscience/environmental-scientists-and-specialists.htm 1 1/25/2016 QUICK SURVEY: Cunningham (Chap 1) lists the following as persistent environmental problems: Stage Left Side: What environmental problem / challenge concerns you the most? Stage Right Side: What are some solutions to environmental problems? Or What good News comes to mind? • • • • • • • Clean water Food Supplies Energy Resources Climate Change Air Quality Biodiversity Loss Marine Resources (food supplies, biodiversity loss) Biodiversity Depletion Air Pollution • Global climate change • Stratospheric ozone depletion • Urban air pollution • Acid deposition • Outdoor pollutants • Indoor pollutants • Noise • • • • Habitat destruction Habitat degradation Extinction Introduced Species Food Supply Problems Major Environmental Problems Water Pollution • • • • • Sediment Nutrient overload Toxic chemicals Infectious agents Oxygen depletion • Pesticides • Oil spills • Excess heat Waste Production • Solid waste • Hazardous waste • Overgrazing • Farmland loss and degradation • Wetlands loss and degradation • Overfishing • Coastal pollution • Soil erosion • Soil salinization • Soil waterlogging • Water shortages • Groundwater depletion • Loss of biodiversity • Poor nutrition In ES 10, we will think about things humans do to the environment AND things the environment does to humans. “You can’t just do one thing; there will most likely be unintentional consequences.” ds And More…. 2 1/25/2016 Biodiversity Depletion Air Pollution • Global climate change • Stratospheric ozone depletion • Urban air pollution • Acid deposition • Outdoor pollutants • Indoor pollutants • Noise • • • • Habitat destruction Habitat degradation Extinction Introduced Species Geologic Hazards / Natural Disasters Major Environmental Problems Water Pollution • • • • • • • • Sediment Nutrient overload Toxic chemicals Infectious agents Oxygen depletion Pesticides Oil spills Excess heat Today: Intro to Plate Tectonics: • Earthquakes • Tsunamis • Mass Wasting • Volcanism • Hurricanes • Flooding • Sea Level Rise Waste Production • Coastal Erosion Wetland Loss • Erosion / soil loss • Fires What is it? The myths? Definition “Boundaries = Geologic Activity” Hazards and Resources: Associations • Solid waste • Hazardous waste Plastic and debris in the world’s oceans 3 1/25/2016 Plate Tectonics Plate Tectonics • Outer layers of Earth made up of ~ 12 major individual rigid plates (“Lithospheric/Tectonic Plates”) • Plates move in response to convection in the mantle • Most geologic activity occurs near plate boundaries (3 types of boundaries) Plate Tectonics; The Boundaries Divergent Boundaries Sea Floor Spreading on Oceanic Ridges Typically shallow focus and small earthquakes 4 1/25/2016 Convergent Boundaries Subduction @ deep sea trenches, shallow to deep focus earthquakes WEB LINK: http://pubs.usgs.gov/gip/dynamic/understanding.html 5 1/25/2016 Transform Boundary example: San Andreas Fault Define Plate Tectonics Study Questions What is the lithosphere? What is the Asthenosphere? Name the 3 types of plate boundaries and describe the motion associated with each. Sea Floor Spreading occurs at which boundary? What is subduction? Where do is occur? List a few examples of where each types of boundary is located. Plate Tectonic geography is important. List a few examples of continental margins that are 1,000’s of miles away from the nearest plate boundary. These are called “Passive”. What types of geologic activity are associated with lithospheric plate boundaries? This is important, list as many as you can. 6