Results 21 to 30 of about 5,839,153 (344)

How Struve and Tenner Started the Work of Their Life

open access: yesOpen Astronomy, 2011
The great Russian-Scandinavian arc measurement was initiated by two men: F. G. W. Struve and C. F. Tenner. When they decided to join their endeavours, they both had obtained a substantial experience - Struve had completed the Livonia triangulation and he
Viik T., Randjärv J.
doaj   +1 more source

Modeling afterslip and aftershocks following the 1992 Landers earthquake [PDF]

open access: yes, 2007
One way to probe the rheology of the lithosphere and fault zones is to analyze the temporal evolution of deformation following a large earthquake. In such a case, the lithosphere responds to a known stress change that can be assessed from earthquake slip
Amelung   +70 more
core   +3 more sources

Modernising the control network for determining displacements in hydraulic structures using automatic measurement techniques [PDF]

open access: yesJournal of Water and Land Development
Over the last two decades, geodetic surveying has seen significant advancements with terrestrial and unmanned aerial vehicle (UAV) laser scanning, alongside automatic observations being increasingly utilised throughout the construction process.
Janina Zaczek-Peplinska, Lech Saloni
doaj   +1 more source

Исследование влияния внешних условий на стабильность лазерного излучения [PDF]

open access: yes, 2015
The article covers such issues as the refraction effect on the laser ray stability in the process of the reinforced concrete pipeline installation, when pipelines are heated by sunlight effect. Experimental analyses and results processing with changes in
Igilmanov, Z. A.   +3 more
core   +1 more source

Reduction of geodetic observations to the reference ellipsoid

open access: yesVojnotehnički Glasnik, 2011
Field observations refer to the vertical of the geoid, because the geodetic instruments are put in the working position in respect to the vertical. It is not appropriate for the calculations on the ellipsoid surface, which request measured elements to be
Stevan M. Radojčić
doaj   +1 more source

Determination and monitoring of ore recovery and dilution coefficients in Sasa lead and zinc mine - M. Kamenica, R. Macedonia [PDF]

open access: yesPodzemni Radovi, 2015
In this paper, proceeding of determination and monitoring of ore recovery and dilution coefficients in lead and zinc mine 'Sasa' - M. Kamenica, will be presented.
Mijalkovski Stojanče   +4 more
doaj   +1 more source

Evolutionary dynamics on a regular networked structured and unstructured multi‐population

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView., 2023
Abstract In this paper, we study collective decision‐making in a multi‐population framework, where groups of individuals represent whole populations that interact by means of a regular network. Each group consists of a number of players and every player can choose between two options.
Wouter Baar   +2 more
wiley   +1 more source

Interseismic coupling and seismic potential along the Central Andes subduction zone [PDF]

open access: yes, 2011
We use about two decades of geodetic measurements to characterize interseismic strain build up along the Central Andes subduction zone from Lima, Peru, to Antofagasta, Chile.
Aktug   +380 more
core   +5 more sources

An integrated geodetic and InSAR technique for the monitoring and detection of active faulting in southwestern Sicily [PDF]

open access: yes, 2020
We present the results of the analysis of GNSS (Global Navigation Satellite System) and InSAR (Interferometric synthetic-aperture radar) data collected in the frame of a project financed by the “Struttura Terremoti” of INGV (Istituto Nazionale di ...
Barreca Giovanni   +7 more
core   +1 more source

HYBRID ADJUSTMENT OF GPS AND CLASSICAL TERRESTRIAL MEASUREMENTS [PDF]

open access: yesGeodetski Glasnik, 2011
This paper shows newer approach that has long been used worldwide in the design and processing of measurement in geodetic networks in Bosnia and Herzegovina.
Dževad Krdžalić, Esad Vrce
doaj   +1 more source

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