|
General |
|
|
GLOSS number |
13 |
|
Station name |
Durban
|
|
Country |
South Africa |
|
Time zone |
030E, GMT + 2hrs |
|
Latitude (+ve N) |
-29.88333 |
|
Longitude (+ve E) |
31.03333 |
|
Ocean |
Indian |
|
Observation period(s) |
1954-1958, 1960- |
|
Responsible country |
South Africa |
Authority responsible
for tide gauge |
Hydrographer,
South African Navy, Private Bag X1, Tokai 7966, South Africa |
|
GLOSS contact |
Ruth Farre
Superintendent Tidal Information
Hydrographic Office
Private Bag X1
Tokai 7966
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
(1990 onwards), air pressure (1990 onwards) |
|
Data acquisition rate |
Float/stilling
well - digitized hourly. Acoustic gauge - meaned values recorded at 1 minute
intervals |
|
High frequency data at BODC |
  |
|
High frequency data at UHSLC |
 |
|
Real-time data available |
No |
|
Additional parameters (real-time) |
Sea temperature
(1990 onwards), air pressure (1990 onwards) |
|
Benchmarks |
|
|
Tide gauge benchmarks |
Trig survey BM
4212 at east end of of Salisbury Island. UTM Grid Reference 36 JUB 109930. |
|
Benchmark relationships |
Tide Gauge Zero (TGZ)
= South Africa Chart Datum TGZ = 0.838m below LLD (MSL) until 31 Dec 1978
TGZ = 0.900m below LLD (MSL) from 01 January 1979 TGZ = 0.904m below BM 4212
|
|
Data at PSMSL |
|
|
Annual MSL (RLR) data |
|
|
Annual MSL (RLR) plot |
 |
|
MSL method |
Doodson X0 filter |
|
PSMSL code |
430/091 |
|
Other relevant codes |
UHSLC 181 |
|
Additional information |
|
|
Other relevant information |
Values based on
GPS have been observed but not finally calculated. Both gauges are due to be
relocated in 1990. |
|
Nearest Met. station |
Durban |
|
Last updated |
2002-12-11 |
