Results 41 to 50 of about 96,718 (274)

Vertical datum and coordinate systems in Jordan

open access: yesInternational Journal of Information Technology, Communications and Convergence, 2011
Advancement in satellites and telecommunication technologies has created a great interest in global positioning system (GPS) applications. The lack of a good geoid model for Jordan has limited the use of GPS applications. This has lead to refining the Jordanian geoid model for better GPS measurements in order to obtain reliable results in the triplet ...
Omar Al Bayari, Balqies Sadoun
openaire   +1 more source

Measuring the Water Level Datum Relative to the Ellipsoid During Hydrographic Survey [PDF]

open access: yes, 2011
Hydrographic surveys are referenced vertically to a local water level “chart” datum. Conducting a survey relative to the ellipsoid dictates a datum transformation take place before the survey is used for current navigational products.
Rice, Glen, Riley, Jack
core   +1 more source

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

Heights, the Geopotential, and Vertical Datums [PDF]

open access: yes, 2000
Technical Report. Ohio Sea Grant Development Program, NOAA. Grant No. NA86RG0053 (R/CE-7-PD). "Modern Vertical Datums and Lake Level".This report reviews the fundamental definitions of heights and vertical datums, specifically motivated by the modern ...
Jekeli, Christopher
core  

Under the Shade of a Coolabah Tree: A Second Cache of Tulas From the Boulia District, Western Queensland

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT This paper reports on the excavation of a cache of stone artefacts, buried on the bank of a waterhole or ‘billabong’ in central western Queensland. This is an extremely rare find, and yet it is the second such site to be reported within less than a 10 km radius.
Yinika L. Perston   +5 more
wiley   +1 more source

Enhancement of height system for Malaysia using space technology: the study of the datum bias inconsistencies in Peninsular Malaysia [PDF]

open access: yes, 2003
The algorithm for orthometric height transfer using GPS has been widely presented. Its practical limitations are mostly due to datum bias inconsistencies and lack of precise geoid.
Mohamed, Azhari   +2 more
core  

NonLocal Systems of Balance Laws in Several Space Dimensions with Applications to Laser Technolog [PDF]

open access: yes, 2015
For a class of systems of nonlinear and nonlocal balance laws in several space dimensions, we prove the local in time existence of solutions and their continuous dependence on the initial datum.
Colombo, Rinaldo M.   +1 more
core   +2 more sources

Uncovering Archaeological Treasures at Saruq al‐Hadid, UAE: Insights From Ground Penetrating Radar and Magnetic Data

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Saruq al‐Hadid, located at the edge of the Rub Al‐Khali desert near Dubai's southern border with Abu Dhabi, is among the region's richest archaeological sites. Renowned for its historical role in metallurgy, trade and human habitation, the site was occupied from the Umm an‐Nar period through the post–Iron Age. Despite its significance, much of
Moamen Ali   +9 more
wiley   +1 more source

Evaluation of W0 in Canada using tide gauges and GOCE gravity field models

open access: yesJournal of Geodetic Science, 2012
The existing Canadian Geodetic Vertical Datum of 1928 (CGVD28) does not meet the needs of the modern user in terms of accuracy and accessibility.
Hayden T.   +3 more
doaj   +1 more source

Analisis Pasang Surut Air Laut Menggunakan Data Ioc (Intergovermental Oceanographic Comission) Untuk Menentukan Chart Datum Di Perairan Cilacap [PDF]

open access: yes, 2015
The tidal seas is the changing of sea water height caused by the attractive force happen between the earth and the space objects.The moon and the sun have the biggest influence on the tidal seas phenomenon.
Pradipta, N. D. (Nuardi)   +2 more
core  

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