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Analysis of statistical interpolation methods to generate the velocities model for continental Ecuador from GNSS data

Publicated to:Revista Geografica Venezolana. 64 (1): 22-35 - 2023-06-01 64(1), DOI: 10.53766/rgv/2022.64.01.01

Authors: Luna, MP; Staller, A; Tierra, A; Molina, X; Toulkeridis, T

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Abstract

We performed a comparison between the interpolation methods of Kriging and Least Squares Collocation. This allowed to obtain an optimal velocity model of the earth's crust for continental Ecuador from a velocity field ITRF2008 obtained with GNSS data in the period 2008-2014. The best fitting semivariograms for the two components were the Spherical and Stable semivariogram. The functional model for Least Squares Collocation method was of third order for the East component and of second order for the North component. The results obtained were compared with the velocity of the GNSS stations used for verification and using the cross-validation technique. All the statistics favor the least squares Collocation method since it presents a better fit and reliability to represent the velocity model of continental Ecuador.

Keywords

cross-validationleast-squares collocationpredictionsemivariogramsvelocities modelCross-validationKrigingLeast-squares collocationPredictionSemivariogramsSquaresVelocities model

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Revista Geografica Venezolana, and although the journal is classified in the quartile Q4 (Agencia WoS (JCR)), its regional focus and specialization in Geography, give it significant recognition in a specific niche of scientific knowledge at an international level.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-04:

  • Google Scholar: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-04:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 2 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Ecuador.