Sea Level Variability over the Vietnam Seas Derived from Satellite Altimetry and Tide Gauge Data

doi:10.13474/j.cnki.11-2246.2017.0177

测绘通报 ›› 2017, Vol. 0 ›› Issue (6): 1-4.doi: 10.13474/j.cnki.11-2246.2017.0177

Sea Level Variability over the Vietnam Seas Derived from Satellite Altimetry and Tide Gauge Data

LI Dawei¹, LI Jiancheng¹, TUAN Wenzheng²

1. School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China;
2. Le Quy Don Technical University, Hanoi 100803, Vietnam

Received:2016-11-23 Revised:2017-01-23 Online:2017-06-25 Published:2017-07-03

Abstract

Abstract: Sea level changes along the coast of Vietnam were calculated and analyzed by using satellite altimetry and tide gauge data. The results showed that there is a strong correlation between sea level changes obtained from the both data. The rate of rising sea level in Vietnam calculated by the altimeter data from 1993 to 2015 was 3.18 mm/a, and the rate by tide gauge data was 4.1 mm/a. During the whole time span of tide gauge observation, the coastal sea level of Vietnam was on the rise, at a mean rate of about 3.02 mm/a. The coastal sea level of Vietnam was characterized by strong seasonal characteristics. In the coastal areas of the Red River and the Mekong Delta, it was highly susceptible to the seasonal storms and floods.

Key words: tide gauge, satellite altimetry, coast of Vietnam, sea level change

CLC Number:

P228.3

LI Dawei, LI Jiancheng, TUAN Wenzheng. Sea Level Variability over the Vietnam Seas Derived from Satellite Altimetry and Tide Gauge Data[J]. 测绘通报, 2017, 0(6): 1-4.

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Sea Level Variability over the Vietnam Seas Derived from Satellite Altimetry and Tide Gauge Data

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