SVG 313 Theory Questions: Hydrographic Surveying: Datum Computation, Water Transfer, and Position Fixing

300 Level Survey and Geoinformatics Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.

Questions:

a) The formula \( d = m^* – (M^* – M) – Mr/R \) is used to compute the chart datum at the new gauge. State the meaning of each parameter in the formula.

b) When sounding datum cannot be established from existing benchmarks, it may be obtained by water transfer. Is this statement true? Comment! What are the requirements needed for obtaining the water transfer?

c) What is position fixing in hydrographic surveying? List various ways of establishing a sounding datum during hydrographic operations.

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