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1 Introduction (Welcome!) OCN 401 Biogeochemical Systems
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5 LECTURES Lectures will generally be given using PowerPoint presentations. As a convenience to students, copies of the PowerPoint slides will be handed out in class. However, do not be fooled into thinking that the handouts are a substitute for careful note-taking in class. Much of the useful information in this class will be in the form of classroom discussion of the subject material. Thus, students are expected to attend all lectures and to actively participate in class discussions. GRADING The final grade will be calculated as follows: Mid-term Exam - 25% Final Exam - 25% Term paper & oral presentation (including outline and first draft) - 30% Homework assignments (including peer reviews) and class participation - 20%
6 PAST TERM PAPER TOPICS (Note: These examples cannot be used this year) 2011 Arctic sea ice: Adaptations and ecological ramifications. Delivery of anthropogenic nitrogen to the coastal ecosystem on basaltic shorelines by submarine groundwater discharge. Biochar double whammy: Carbon sequestration and increased food production. Methane formation and oxidation in continental margin sediments. Sediment redox chemistry in mangrove forests: He eia Fishpond as a case study. Soil acidity and agricultural productivity of oxisols and ultisols in the tropics.
7 2010 Environmental and biogeochemical changes associated with the evolution of eukaryotes. Spatial and temporal variability of the biogeochemical response to storm runoff in southern Kaneohe Bay, Oahu, Hawai i. Lake Kivu: Catastrophe or gift of energy? Methane hydrates: Formation, stability, and effects on global climate. Effects on coral growth due to increased atmospheric CO 2. Mercury methylation in the marine environment. The effects of ocean acidification on the benthos. The generation, migration and climatic effects of coastal methane seeps. Oxygen minimum zones: Understanding the global biogeochemical characteristics of OMZs. The formation of biogenically derived marine aerosols, air-sea transport, and ecological effects. Factors influencing organic carbon sequestration in marine environments. The role of submarine groundwater discharge in coastal nutrient dynamics. Dammed nations, or damned ocean? The effect of dams on the coastal zone. Carbon capture and sequestration: Deep-sea CO 2 injection.
8 2009 Agricultural soil erosion: Carbon sink or source? Beachrock: Evidence of shoreline change. Bioaccumulation of toxic metals in fresh water and coastal marine systems: Arsenic, mercury and lead. Effect of agriculture on nutrient loading in the Mississippi River: The Gulf of Mexico Dead Zone. Forest fires and nutrient cycling. New hypoxic zone: A comparison with other dead zones and implications of ocean current changes in the northwest Pacific Ocean. Nutrient cycling within subsurface chlorophyll maximum and plankton thin layers. Carbon sequestration: A comparison between biological and geological approaches. Air pollution and atmospheric deposition in Istanbul. Nitrogen fixation in the North Pacific Ocean. Effects of submarine groundwater discharge on nutrient cycling and ecosystems.
9 2008 Sediment transport in coastal areas As cycling in marine environments Nutrient supply in Pac vs Atl eddies Biogeochem interactions btwn benthos & sed CO 2 sequestration in deep sea, acidification effects Estuarine nitrification & denitrification Nutrient uptake ratios & phytoplktn selection Biogeochem changes during PETM Environmental causes of ciguatera outbreaks Role of nutrients in HABs CH 4 production in natural systems Eutrophication: causes & oyster remediation Anoxic conditions related to nutrient input
10 EXAMS There will be a 75-minute mid-term exam on October 4 and a 2-hour final exam on December 13. The final exam will cover all of the semester s course material. Exams will cover the readings, lectures, and topics discussed in class. Exams will be open book (i.e., you can bring any printed material you like). Please bring a calculator. Copies of previous exams can be examined in the Oceanography Office (MSB 205); these can give you an idea of the types of questions to be expected. However, it is very unlikely that any exam questions will be repeated! No absences are allowed from any exam, except under circumstances totally beyond your control. Except for medical emergencies, excuses must be submitted and approved before the day of the exam.
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