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Geodesy for Planet Earth pp 657–664Cite as

The 2009 Horizontal Velocity Field for South America and the Caribbean

Part of the International Association of Geodesy Symposia book series (IAG SYMPOSIA,volume 136)

Abstract

Station velocities derived from space geodetic measurements in Central and South America were processed by the finite element method using a geophysical model and by a least squares collocation approach with empirical correlation functions for computing a continuous velocity field of the South American and the Caribbean crust. Velocities of the reference frame for the Americas (SIRGAS), and of various geodynamic networks (CASA, SNAPP, CAP, SAGA, and seismic gap projects) are used as input data. In general, the results present good agreement with previous models. Moreover, there are significant improvements, particularly in areas with new data (northern and central Andes, southern Tierra del Fuego).

Keywords

  • International GNSS Service
  • East Component
  • North Component
  • South American Continent
  • South American Plate

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Authors and Affiliations

  1. Deutsches Geodätisches Forschungsinstitut, Alfons-Goppel-Str. 11, 80539, München, Germany

    H. Drewes

  2. GFZ German Research Centre for Geosciences, Telegrafenberg, 14473, Potsdam, Germany

    O. Heidbach

Authors
  1. H. Drewes
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  2. O. Heidbach
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Corresponding author

Correspondence to H. Drewes .

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Editors and Affiliations

  1. , SN L-41, National Geospatial-Intelligence Agency, Vogel Rd. 3838, Arnold, 63010-6238, Montana, USA

    Steve Kenyon

  2. , Facultad de Ciencia Exactas, Universidad Nacional de Rosario (UNR), Av. Pellegrini 250, Rosario, 2000, Argentina

    Maria Christina Pacino

  3. , Geodesy Department, Federal Office of Topography swisstopo, Seftigenstrasse 264, Wabern, 3084, Switzerland

    Urs Marti

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Drewes, H., Heidbach, O. (2012). The 2009 Horizontal Velocity Field for South America and the Caribbean. In: Kenyon, S., Pacino, M., Marti, U. (eds) Geodesy for Planet Earth. International Association of Geodesy Symposia, vol 136. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-20338-1_81

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