Results 71 to 80 of about 173 (112)

Ship wake-induced water column mixing and meter-scale seabed erosion in the Baltic Sea. [PDF]

Nat Commun
Geersen J, Feldens P, Rollwage L, Baumann LM, Krämer K, Westfeld P, Krastel S, Ahmerkamp S, Tauber F, von Deimling JS.   +9 more
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Reference the seabed topographic depth observations based on the national mean dynamic topography model. [PDF]

MethodsX
Luong TT, Nguyen AD, Nguyen DH, Tran VH, Le N, Le TTT, Pham TTT, Nguyen DT, Do TN.   +8 more
europepmc   +1 more source

STUDY ON ACHIEVING A QUASIGEOID

SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2011
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Comparative analyses of quasigeoid models for the Republic of Moldova territory

, 2017
В даній статті представлені результати порівняння моделей квазігеоїда для території Республіки Молдова з використанням GNSS-вимірювань для нівелювання.
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Determination of quasigeoid heights.

Journal of the Geodetic Society of Japan, 1990
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LOCAL QUASIGEOID MODELLING IN IASI CITY AREA

SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2013
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Mold2012 : a new gravimetric quasigeoid model over Moldova

, 2012
In order to be able to use the operational Moldavian GNSS Positioning System MOLDPOS efficiently for the determination of normal heights in surveying engineering, e.g. during the construction of a road, an accurate quasigeoid model is needed. The main goal of this thesis is to present a new gravimetric quasigeoid model for Moldova (Mold2012), which has
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On the geoid–quasigeoid separation in mountain areas

Journal of Geodesy, 2009
The separation between the reference surfaces for orthometric heights and normal heights—the geoid and the quasigeoid—is typically in the order of a few decimeters but can reach nearly 3 m in extreme cases. The knowledge of the geoid–quasigeoid separation with centimeter accuracy or better, is essential for the realization of national and international
Jakob Flury, Reiner Rummel, Rummel Reiner   +2 more
exaly   +2 more sources

Spatial and Spectral Representations of the Geoid-to-Quasigeoid Correction

Surveys in Geophysics, 2015
In geodesy, the geoid and the quasigeoid are used as a reference surface for heights. Despite some similarities between these two concepts, the differences between the geoid and the quasigeoid (i.e. the geoid-to-quasigeoid correction) have to be taken into consideration in some specific applications which require a high accuracy.
Robert Tenzer, Pavel Novak, Hirt Christian   +2 more
exaly   +3 more sources

Quasigeoid-to-geoid determination by EGM08

Earth Science Informatics, 2012
We present a method to estimate the difference between quasigeoid and geoid heights globally from the Earth Gravitational Model EGM08 and a related topographic model. The numerical computations with the standard topographic density of 2.67 g/cm3 show that the maximum and minimum of the separations are estimated to 5.47 m and −0.11 m on the Tibet ...
Lars E. Sjöberg, Mohammad Bagherbandi
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