Courses:

Principles of Oceanographic Instrument Systems -- Sensors and Measurements (13.998) >> Content Detail



Syllabus



Syllabus

This page presents information about the course, including a calendar.



Course Goals


This course provides the ocean scientist and engineer with an:

  1. Understanding of the theoretical and practical principles of making measurements in the ocean,
  2. An introduction to basic oceanographic instrumentation being used today,
  3. The requirements, methodology and sampling strategies related to designing scientific and environmental monitoring programs,
  4. An appreciation of issues relating to the analysis and presentation of results.


Lectures


Oceanography is an observational field that requires quality observations to support scientific investigations. Therefore, it is imperative that the oceanographic student think in terms of the observational requirements (rather than just sensors) when designing an experiment. This including consideration of the sensors (type, calibration, response, and techniques for the user of), sampling theory (sample interval, duration, statistical confidence), data systems (microprocessors, data compression, conditional sampling, and data storage), data analysis and presentation of the results (that meet the scientific, management, observational goals). This class is an introduction to sensors and measurements and their use in the ocean. Various "state-of-the-art" measurement systems will be described and discussed during the semester. Classroom lectures will be supplemented with readings, speakers, and the student will be assigned problem sets.



Laboratory


During the semester, students will work in the laboratory understanding circuits and instrument systems then prepare and deploy them in the ocean. The class will study several instrument systems in detail during the semester. Other exercises will help the student understand filters, op-amps, analog and digital circuits, microprocessors, and the use of laboratory test equipment. Then the students will design a simple deployment, prepare the instrumentation and supporting hardware/software and deploy the instruments from the R/V TIOGO or ASTERIAS for one week. The student will be required to work up the cruise for a final class report and make an oral presentation of the findings.

Course work will include assigned problems sets involving data manipulation and presentation of results using MATLAB®. Presentation of a final report on the laboratory projects will be given to the class (and others) at the end of the semester in place of a final exam. Grades will be assigned based on the student's performance on the assigned homework, participation in class discussions, and on the laboratory project.



Readings


This subject is not covered sufficiently by any textbook. Students are provided with course notes written by the instructors, and supplemental readings from the literature.



Other Coursework


Course work will include assigned problems sets involving data manipulation and presentation of results using MATLAB®.

Presentation of a final report on the laboratory projects will be given to the class (and others) at the end of the semester in place of a final exam.



Grading


Grades will be assigned based on the student's performance on the assigned homework, participation in class discussions, and on the laboratory project.



Calendar


AJW = Dr. Albert J. Williams, 3rd
JDI = Dr. James D. Irish

The calendar below provides information on the course's lecture (L) and laboratory (Lab) sessions.


SES #TOPICSINSTRUCTORS
L1Introduction to Class, Requirements and Get Student Interests/FocusAJW, JDI
L2Transducers, Instrument Systems and Limits to MeasurementsAJW, JDI
Lab 1Background Lab: Electronics
L3Introduction to Sampling Theory, Statistics, Fourier Transforms, Filters and FilteringJDI
L4Filters and Filtering (cont.), Sampling Theorem, Aliasing, Nyquist FrequencyJDI
Lab 2Background Lab: Circuit Construction, Soldering, Scopes, DVM
L5Power Spectra, Coherence, Confidence LimitsJDI
Lab 3Background Lab: MAVS Circuit Analysis, Discussion, Testing
L6Digitizing, Ideal A/C, Frequency Counting, Least Count ErrorJDI
L7Calibrations, Static, Dynamic and Sensor ResponseJDI
Lab 4Background Lab: Materials for Use in Ocean
L8Sensor Noise, Signal to Noise and Frequency Response EffectsJDI
L9Sea Water Properties, Distributions, Equation of State of Sea WaterJDI
Lab 5Background Lab: Compass, Tilt, Motion, Acoustic Releases, Pingers, Acoustic Locators
L10Pressure - Temperature Sensors/Measurements and StandardsJDI
L11Conductivity/Salinity Sensors/Measurements and StandardsJDI
Lab 6Background Lab: Calibrations Part 1
L12CTDs - Profiling, Towed, Self-containedJDI
L13Buoys, Moorings, ComplianceJDI
Lab 7Background Lab: Calibrations Part 2
L14Ropes, Fibers, Cables, Compliant ElementsGuest Lecturer: Walter Paul
L15Data Systems, Recorders, A/D's, Microprocessors and TelemetryGuest Lecturer: Al Bradley
Lab 8Cruise Lab: Divide Class into Groups, Start Work on Instruments
L16Eulerian Current Meters - VACM, VMCM, ACM, BASSAJW
L17Lagrangian Currents - Draper LCD, TriStar, Swallow Float, SOFAR, RAFOSAJW
Lab 9Cruise Lab: Instruments (cont.)
L18Acoustic Current Meters - ADV, ADCP, LDVAJW
L19Acoustic Backscattering and Sediment Transport - ABS, SSSGuest Lecturer: Peter Traykovski
Lab 10Cruise Lab: Final Instrument Prep/Checkout
Lab 11Cruise Lab: Deployment and survey During Whole Day
L20Meteorology (Winds, Pressure, Temperature, Relative Humidity, Radiation)Guest Lecturer: Jim Edson
L21Platforms - Drifters, Ships, Bottom-Mounted, AUV, ROVGuest Lecturer: Hanu Singh
Lab 12Cruise Lab: Recover InstrumentsGuest Lecturer: Hanu Singh
L22Imaging
L23Bio-optical - Fluorometers, Transmissometers, OBS, Radiometers, PARGuest Lecturer: Peter Traykovski
Lab 13Cruise Lab: Analysis and Discussion
L24Remote Sensing - Satellite, Radar, VHF Radar, LDV, ADCP, and ADV
L25Other Topics of Student Interest
Lab 14Oral Presentations and written Reports of Cruise Results

 








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