|
General |
|
|
GLOSS number |
268 |
|
Station name |
Simonstown
|
|
Country |
South Africa |
|
Time zone |
030E, GMT + 2hrs |
|
Latitude (+ve N) |
-34.18333 |
|
Longitude (+ve E) |
18.43333 |
|
Ocean |
Atlantic |
|
Observation period(s) |
1957- |
|
Responsible country |
South Africa |
Authority responsible
for tide gauge |
Hydrographer,
South African Navy, Private Bag X1, Tokai 7966, South Africa |
|
GLOSS contact |
Prof.G.B.Brundrit
Dept.of Oceanography
University of Cape Town
Rondebosch 7700
South Africa |
|
Committed to GLOSS |
Yes |
|
Operational |
Yes |
|
Instrumentation |
|
|
Float |
Yes |
|
Pressure |
No |
|
Bubbler |
No |
|
Acoustic |
Yes |
|
Radar |
No |
|
Data |
|
|
Digital data |
Yes |
|
Additional parameters |
Sea temperature
(from 1990), air pressure (from 1990) |
|
Data acquisition rate |
Float/stilling
well - digitized hourly. Acoustic meaned values recorded at one minute
intervals. |
|
Fast delivery data at UHSLC |
 |
|
High frequency data at BODC |
|
|
High frequency data at UHSLC |
 |
|
Real-time data available |
No |
|
Additional parameters (real-time) |
Sea temperature
(from 1990), air pressure (from 1990) |
|
Benchmarks |
|
|
Tide gauge benchmarks |
Trig Survey BM 28
G. UTM Grid Reference 34 HBT 641144. |
|
Benchmark relationships |
Tide Gauge Zero (TGZ)
= South Africa Chart Datum TGZ = 0.651m below LLD (MSL) until 31 December
1978 TGZ = 0.900m below LLD (MSL) from 01 January 1979 TGZ = 3.663m below BM
28 G |
|
Data at PSMSL |
|
|
Annual MSL (RLR) data |
 |
|
Annual MSL (RLR) plot |
 |
|
MSL method |
Doodson X0 filter |
|
PSMSL code |
430/061 |
|
Other relevant codes |
UHSLC 221 |
|
Additional information |
|
|
Other relevant information |
Values based on
GPS have been observed but not finally calculated. |
|
Nearest Met. station |
Cape Town |
|
Last updated |
2002-12-11 |