Two-dimensional geoid modelling: Some remarks on Chapman's algorithm

C. Ayala*, M. Fernàndez, M. Torné, J. Pous

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


An analytical solution and its application to compute 2-D geoid anomalies, based on Brun's formula (Heiskanen & Moritz 1967), was developed by Chapman (1979). In this paper we present the derived solution from a thorough review of Chapman's algorithm. Apart from some typographical errors in the mathematical expressions, we have found that some of the precautions given by the author are not necessary when the algorithm is applied, in particular those regarding the unit system, topography and density contrast.

Original languageEnglish
Pages (from-to)542-544
Number of pages3
JournalGeophysical Journal International
Issue number2
Publication statusPublished - 1996
Externally publishedYes


  • Density
  • Geoid anomalies
  • Isostasy
  • Topography


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