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GEO A433 Hydrographic Surveying
3 semester credits
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GEO A433 provides students with basic knowledge of principles, instrumentation, data analysis methods, and products of hydrographic surveying and chart publication, as currently practiced by government and industry. Earth coordinates, mapping projections, scales of measurement, vertical and horizontal datums, and related terminology are defined with practical applications. Typical coastal geometric features and general characteristics of coastal sediments are reviewed. Nautical chart conventions and elementary dead reckoning navigation techniques are reviewed with applications on both paper and electronic charts. Theory, characteristics, datums, zoning, and measurement techniques for tides are introduced, with hands-on practice with tidal measurements. Principles of marine acoustics and typical acoustic measurements associated with hydrographic surveying are introduced with practical applications of the sonar equation and interpretation of marine acoustic device output (single-beam fathograms and sub-bottom profiles). International standards and typical government specifications for hydrographic surveying operations and commercial contracts are reviewed. Planning, execution, and data analysis with commercial hydrographic surveying software are presented and practiced by students.
Lead Instructor: Captain Robert Pawlowski (NOAA, ret.), Thales Geosolutions, Inc., (907) 258-1799
Dr. Orson Smith, Associate Professor, School of Engineering, (907) 786-1910 work; afops@uaa.alaska.edu
LTC Doug Baird, NOAA, National Ocean Service, (907) 786-7004
John Oswald, RLS, Geodetic Manager, LCMF, Inc. (907) 562-1830 ext 1815
Tom Newman, RLS, Certified Hydrographer, Terra Surveys, (907) 745-7215
Description: This course provides students with a basic understanding of hydrographic surveying, including planning, instrumentation, field data collection procedures, data reduction, editing, and analysis, and presentation.
Useful References
USACE 1994, "Hydrographic Surveying," EM 1110-2-1003, US Army Corps of Engineers, Washington, DC
Bowditch, Nathaniel, American Practical Navigator, Pub. No. 9, Defense Mapping Agency Hydrographic/Topographic Center, Bethesda
Class Meetings: Tuesdays and Thursdays, 5:30 to 6:45 PM, Room ENGR 230, Engineering Building, UAA. Software demonstrations and computations lab sessions will take place in the computer lab, ENGR 228. Class meeting time is used to present new material in the form of lectures and demonstrations and to review homework and tests. Changes will be announced in class and posted on this web site.
Assignments: Work should be presented in a neat organized manner, with a heading including the course title, student’s name, assignment number, and due date. Use computer tools whenever possible. Neatly hand-lettered computation sheets are acceptable. The problem statement should be written before each student’s solution. Assumptions should be explicitly stated and outside references cited, as part of the solution. Paper copies or single-file stand-alone email submittals should be delivered to Dr. Smith at ENGR 215 for grading. Assignments submitted on time will be graded and returned in time to apply as exam study material.
Grading: Assignments submitted after the due date without specific permission of the instructor will have their scores reduced 10 points. The course grade will be based on the formula: homework assignments 40%, plus two exams 30% each. Letter grades will follow the scale A: 100-90, B: 89-80, C: 79-70, D: 69-60, and F: below 60.