Data



Data Notes



Extracted from Database

09 May 2012

VISHAKHAPATNAM

Station Information

Station ID: 414
Latitude: 17.683333
Longitude: 83.283333
GLOSS ID: 35
Coastline code: 500
Station code: 101
Country: INDIA
Time span of data: 1937 – 2008
Completeness (%): 86
Frequency Code: 24
Date of last update: 23 Apr 2012

Green Arrow: Current Station
Yellow Marker: Neighbouring RLR Station

Please note: In many cases, the station position in our database is accurate to only one minute. Thus, the tide gauge may not appear to be on the coast.

Additional Data Sources

Nearby GNSS Stations from SONEL: ??24

Station Documentation

Link to RLR information.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 04-AUG-94 :
For a discussion of interannual variability of sea level along the
coasts of Pakistan and India, see Clarke and Liu, Journal of
Physical Oceanography, 24, 1224, 1994.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2002Dec06 :
SMRC Newsletter Jul-Dec 2001 reports high E coast correlation with SOI and MSL.
MSL is much higher during La Nina tropical cyclones than during El Nino.
1937 - 1956 VALUES BASED ON READINGS OF HIGH AND LOW WATERS
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 11-JUN-91 :
Vishakhapatnam 500/101 RLR(1964) is 13.1m below BM 71
=========================== BENCHMARK INFORMATION UPDATE ADDED 12-JUL-93 :
Vishakhapatnam 500/101 RLR(1964) is 13.1m below BM 71
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 16-Sep-2010 :
Several datums have been used over the years at Vishakhapatnam. Historically
the 1879-1884 benchmark used was BM 29 5.777m above the then datum. The
benchmark was later changed to the now Primary benchmark BM 71 PP between
1937-1952 the datum was 6.831m below this point in 1953-1955 6.844m. From 1956
onwards the datum was defined as 'Chart Datum' 6.84m below BM 71 PP this
reference remains.

Data Authority

Survey of India
Geodetic and Research Branch
17 EC Road
Dehra Dun 248001, U.P.
INDIA