|
General |
|
|
GLOSS number |
297 |
|
Station name |
Zanzibar
|
|
Country |
Tanzania |
|
Time zone |
045E, GMT + 3hrs |
|
Latitude (+ve N) |
-6.15 |
|
Longitude (+ve E) |
39.18333 |
|
Ocean |
Indian |
|
Observation period(s) |
1984- |
|
Responsible country |
Tanzania |
Authority responsible
for tide gauge |
Commission of Lands and Environment, P.O. Box 811, Zanzibar, Tanzania |
|
GLOSS contact |
Institute of Marine Sciences
University of Dar-es-Salaam
P.O. Box 668
Zanzibar
Tanzania |
|
Committed to GLOSS |
Yes |
|
Operational |
Yes |
|
Location map |
 |
|
Instrumentation |
|
|
Float |
Yes |
|
Pressure |
No |
|
Bubbler |
No |
|
Acoustic |
No |
|
Radar |
No |
|
Data |
|
|
Digital data |
Yes |
|
Data acquisition rate |
Recording at 10 minute intervals, filtered to hourly heights. |
|
Fast delivery data at UHSLC |
  |
|
High frequency data at BODC |
 |
|
High frequency data at UHSLC |
|
|
Real-time data available |
Yes |
Real-time data transmitted
to GLOSS Fast Centre |
 |
|
Benchmarks |
|
|
Tide gauge benchmarks |
Old TGBM - about 30.0m from tide gauge (521209E, 9319992N) |
|
Benchmark relationships |
BMI at Malindi roundabout = 3.80m above Land Survey Datum (1984, 1987) Mean
Sea Level is 2.08m above Chart Datum |
|
Auxiliary benchmarks |
TGBM 1 is 3.709m above LSD TGBM 2 is 3.750m above LSD TGBM 3 is 3.925m above
LSD |
|
Data at PSMSL |
|
|
Annual MSL (RLR) data |
|
|
Annual MSL (RLR) plot |
|
|
MSL method |
average of daily values |
|
PSMSL code |
460/016 |
|
Other relevant codes |
UHSLC 151 |
|
Additional information |
|
|
Other relevant information |
Gauge re-located in Zanzibar Harbour during 1990. Daily values calculated
using 119-point convolution filter (Bloomfield, 1976) centred on noon
applied to the hourly data with respective periods of the 95, 50 and 5%
amplitude points at 124.0, 60.2 and 40.2 hours. |
|
Last updated |
1992-09-26 |
