6246Lect01_S10 - Advanced Environmental Geochemistry GLY...

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Advanced Environmental Geochemistry, GLY 6246, ©David Warburton, 2010 1 LECTURE 1 - Introduction This course has a very broad title. It could cover a wide range of subject matter, on many different levels. So we first need to narrow the scope and explain what we will actually cover. The purpose of the course is to support the Master's and Ph.D. programs emphasis areas in hydrogeology, marine geology, and coastal geology. It is not intended that the students from this course will go into practice as geochemists. Rather, it is anticipated that you will be practicing in one of the previously mentioned areas of the geosciences and will find need to examine geochemical data, talk to geochemists, and/or take samples for geochemical analysis. This course is designed to start you on the road to these goals. The geosciences department offers an undergraduate/graduate course (GLY 5243 at the graduate level) in environmental geochemistry. The stated prerequisite for this course is one year of college chemistry and familiarity with the material covered in the undergraduate environmental geochemistry course, or equivalent. Some students may have had exactly this background, and others may have considerably more. This diversity of backgrounds makes the instruction of a course very challenging. Environmental geochemistry is a rapidly changing area and in future years the course will undoubtedly evolve and will cover newer, perhaps more advanced, material. Your suggestions and comments, both positive and negative, will be most welcome as the course goes along. It is the Departments intention to strive to make the graduate program as useful as possible to the students. Lect01, slide 2 here The course will be strongly focused on the environmental geochemistry of WATER . We will be discussing both surface and groundwater, and to a limited extent, marine waters. We will look at atmospheric chemistry but mainly as it relates to water. The reason for the emphasis on water is directly related to the purpose of the course. Hydrogeology, marine geology, and coastal geology all depend heavily on water. Since geology is the study of
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Advanced Environmental Geochemistry, GLY 6246, ©David Warburton, 2010 2 the earth, making a case for the importance of water in all aspects of geology is easy. Water, in its three phases, is extremely important in climate change. The earth is the only planet with liquid water oceans. It is also by far the most geologically active planet in our solar system. Mars shows only slow erosion and deposition rates, due to the action of the wind in the tenuous atmosphere. The Moon, with no atmosphere and no water shows much slower rates of change. Neil Armstrong's footprints are expected to last one billion years or more on the moon until they are wiped out by a chance meteorite impact. Lect01, slides 3-4 here
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6246Lect01_S10 - Advanced Environmental Geochemistry GLY...

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