An observation technique and GPS buoy processing strategy for ocean surface monitoring

Salleh, Anuar Mohd; Daud, Mohamed

doi:10.1201/b19961-75

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…The accuracy of the GPS receiver are also not affected by a significant difference between the location of the observations to a control station hence all wave height measured are almost the same as the control value of slider machine wave height. Based on the results and analysis carried out, the equipment and the algorithm that have been developed for the ocean wave monitoring system are ready for sea observation [8].…”

Section: Observation Technique and Data Processing Algorithmmentioning

confidence: 99%

Power spectral density analysis of ocean wave by using GPS buoy

Salleh

Daud²

2018

IJIE

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Section: Observation Technique and Data Processing Algorithmmentioning

confidence: 99%

Power spectral density analysis of ocean wave by using GPS buoy

Salleh

Daud²

2018

IJIE

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“…It can fit a huge population percentage, and also being the center of economic activities such as urbanization, oil and gas exploitation, highway, airport, agricultural, fisheries and etc. [2]. As the standards of living and development has been increased in the coastal zones, this is in response to the expanding realization to the stability of the coastline [3].…”

Section: Introductionmentioning

confidence: 99%

Development of CAGeD Observation Station and Its Impact on Coastal Process

Salleh*¹,

Nadzir²

2019

IJITEE

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Universiti Tun Hussein Onn Malaysia (UTHM) collaboration with the Center of Applied Geomatics for Disaster Prevention (CAGeD) had developed an observation station as a catalyst for oceanographic and environmental research work and landmark of development in Tanjung Laboh. In conjunction with the construction of the station, monitoring of coastal process was carried out to identify the characteristics of sediment as input to the transportation of sediment around the construction area of the station in Tanjung Laboh. 20 points of surface sediment sampling were carried out along 200 meters of Tanjung Laboh bay during high tide. At the same time, the current speed test was carried out at the same point to identify the relationship of current speed to the transportation of sediment. All collected sediment samples have performed a test using wet sieve analysis (hydrometer), dry sieve analysis and specific gravity. The result found that the specific gravity of sediment at the study area is 2.53 and categorized as marine clay. The particle size distribution of sediment at the study area is silty clay due to the dominant of silt fraction. The percentage of sediment characteristics can be influenced by current velocity and sediment transportation.

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A Method to Construct Depth Datum Geodesic Height Model for GNSS Bathymetric Survey

Tian

Guan

Cheng³

et al. 2022

JMSE

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Water depth measurement requires the establishment of one or more tidal stations in the survey area for synchronous water level observation, and finally the water depth is estimated to the depth datum. The non-tidal observation measuring has high efficiency and avoids the water level correction error caused by tidal observation in traditional sounding. Therefore, non-tidal observation measuring has become an effective water depth measurement method in offshore and inland water. However, datum conversion in non-tide operation is mostly based on the polynomial fitting method. The accuracy of this method is influenced by the distribution of datum control points, topographic relief and operation ranges. In this paper, we present a method to construct a depth datum geodesic height model, which can directly obtain a bathymetric database of depth data in a GNSS bathymetric survey. The model incorporates the continuous depth datum and the mean sea level of geodetic height in the same area. Through the numerical simulation of tidal wave motion in regional water, the tidal model is obtained. Based on the grid model, the tidal level is extracted from the tidal model for harmonic analysis, and a continuous depth datum model is established. Mean sea level geodetic height is from the CNES-CLS2015 Average Sea Surface Model. In this paper, the model is confirmed in the South Yellow Sea area. The results show that the accuracy of the depth datum model, and the depth datum geodetic height model meets the accuracy requirements of the datum.

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An observation technique and GPS buoy processing strategy for ocean surface monitoring

Cited by 4 publications

References 1 publication

Power spectral density analysis of ocean wave by using GPS buoy

Power spectral density analysis of ocean wave by using GPS buoy

Development of CAGeD Observation Station and Its Impact on Coastal Process

A Method to Construct Depth Datum Geodesic Height Model for GNSS Bathymetric Survey

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