Course Concepts
PART I
- GEODESY (Datums and Reference Systems)
1.
Topography
2. Hydrography
3. Sea height and its measurement
4. Relation of angles to distances
5.
6. Definition of an ellipsoid
7. Gravity, Gravitational acceleration, centrifugal acceleration
8. Potential and relation to gravity; standard expansion and why
9. Brun's Theorem
10. Equipotential Ellipsoid, Definition of a Geoid
11. Orthometric and Ellipsoidal heights
12. Undulation, deflection of the vertical and relation to geoid
13. Orthogonal and curvilinear coordinates
14. Geodetic systems and datums
15. Datums - types, global versus local fit
16. Reference ellipsoids and reference points
17. Conventional Datums: NAD 27, WGS 84
18. Datum transformation - 2D, 3D - seven parameter Helmert and simplifications
19. Relationship of geoid and gravity to
oceanography, geophysical prospecting, naval problems
20. Spatial precision, accuracy and error (CEP, SEP, rms,
R95)
PART II
- MAPPING (Map Projections)
1.
Families
of projections
2. Cartographic versus surveying mapping projections
3. Terms: conformal, orthographic, equidistant, stereographic, transverse,
gnomonic, azimuthal, equal area, false origin,
convergence, line scale, etc.
4. Mercator projections and properties (UTM)
5. Conic projections and properties (Lambert Conic Conformal)
6. Stereographic projections and properties (Polar)
7. Map Categories and errors
8. Magnetic pole, magnetic azimuth
9. Map nomenclature
PART
III GEOSPATIAL DATA
1.
Remote
imaging of the earth's surface and spatial reference
2. Image corrections
3. Geocoded data (methods, source and accuracy)
4. Global Postioning System - system overview (2
frequencies, 2 services, time, requirement for a solution)
5. Satellite Geodesy solutions
6. GPS solution errors, Ionisphere effects
7. Differential GPS and reference station datums
8. Bathymetry and bathymetric databases
9. Hydrographic Surveying techniques
10. Sound speed, charted depth, actual depth
11. Single beam sounder, multi-beam. side-scan sonar
PART IV
MANAGING AND ANALYZING GEOSPATIAL DATA (GIS)
1.
Geospatial information and terminology
2. Data models and database structures
3. Data representation (vector/raster,
advantages/disadvantages)
4. Layer systems
5. Topological relations
6. Non-geographic data
7. Linking spatial data
8. Statistical surfaces
9. Spatial analysis
a. geoprocessing
b. distance, proximity, buffering
c. network, connectivity
d. attribute
e. overlay
f. 3D
g. Logical and arithmetic queries
10. Cartographic representations
11.
Marine navigation: ECDIS system characteristics and examples
12. Toponymy
13.
Metadata
14.
Meteorological and Oceanographic data representation
15.
Foundation feature data
16.
Military GIS and common NIMA Geospatial Products (source and accuracy)
Last update: 1 Oct. 2008
POC: Peter C Chu