Description
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 following data were obtained in a sounding datum (SD) transfer operation in a semi-diurnal regime.
| Height (m) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Established | LW | 0.2 (a) | – | 0.36 (c) | – | 0.24 (e) | – | 0.53 (g) |
| Gauge | HW | – | 2.4 (b) | – | 2.31 (d) | – | 2.66 (f) | – |
| New | LW | 0.48 (a) | – | 0.66 (c) | – | 0.54 (e) | – | 0.80 (g) |
| Gauge | HW | – | 2.76 (b) | – | 2.67 (d) | – | 2.84 (f) | – |
*True Mean High Water Springs at Established gauge = 2.39*
*True Mean Low Water Springs at Established gauge = 0.12*
Calculate the following:
(i) True mean tide level at springs
(ii) The observed mean tide level at Established Gauge
(iii) The observed Mean Tide Level at New Gauge
(iv) The sounding datum at the New Gauge
b) Write a note on the characteristics of a Tide?
c) What is Tidal Datum and its Applications?
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