Implementing Geometric and Geophysical Datums for the United States in 2022

Daniel ROMAN, U.S.A.SUMMARY Use of GNSS-accessed geospatial data has proliferated not only within the surveying community but also into many related and dependent fields of work. These requirements...

Baca lanjut dan muat turun

Re-Establishment of Geodetic Networks at General Commission for Survey Saudi Arabia

SUMMARY This is a summary on the present state of geodetic activities carried out at the General Commission for Survey (GCS), Saudi Arabia. General Commission for Survey has the responsibility of d...

Baca lanjut dan muat turun

Accuracy Analysis of Determination the Vertical Displacements in Unstable Reference System

SUMMARY Measurements of horizontal and vertical displacements are carried out mostly based on reference points identified as fixed. In surveying practice there may be some situations in which there...

Baca lanjut dan muat turun

Sensor Fusion Integration of High-End and Low-Cost Systems for Infrastructure Monitoring and Navigation Purposes

ABTSRACT In the recent years the usage of state of the art monitoring systems marks a rapid progress especially in engineering area, for the purposes of the local administration authorities and inf...

Baca lanjut dan muat turun

Managing Flood Disasters in Nigerian Cities: Issues and Strategies towards Meeting the Challenges in the Modern World.

SUMMARY Floods are among the most devastating natural disasters in the world, claiming more lives and causing more property damage than anyone would imagine. In Nigeria, though not leading in terms...

Baca lanjut dan muat turun

Coastal Risk Analysis of the Black Sea under the Sea Level Rise

SUMMARY This study focuses on the Black Sea coast vulnerability. For this purpose, present-day sea level changes in the Black Sea are estimated from satellite altimetry data. The result shows accel...

Baca lanjut dan muat turun

Converting Digital Number into Bathymetric Depth: A Case Study over Coastal and Shallow Water of Langkawi Island, Malaysia

SUMMARY Over the years, hydrographic surveyors have used lead lines, sounding pole, wire drag and sounding machine to collect the bathymetry data. To date, the vessel-based echo sounding surveys su...

Baca lanjut dan muat turun

On the Development and Implementations of the New Semi-Dynamic Datum for Indonesia

SUMMARY Indonesia is a maritime continent with a complex and active tectonic setting and therefore prone to various natural hazards. The surface deformation caused by these hazards, coupled with te...

Baca lanjut dan muat turun

Geodetic Monitoring Cable-Stayed Bridges Using GNSS

SUMMARY Bridges are important transport junctions and play a big role in the socio-economic development of cities and regions. This also applies to cable-stayed bridges, which are designed for a va...

Baca lanjut dan muat turun

Analysis of the Spatio-Temporal Variability and Impact of Tropospheric Delay on the Positional Accuracy in GNSS PPP Observations.

SUMMARY As global measurement trend in GNSS positioning begins to shift focus from RTK to PPP (COR Stations being a major application of PPP) investigations into the effect of tropospheric delay on...

Baca lanjut dan muat turun