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  4. Investigation of the action of vertical refraction and precision trigonometric leveling over the water surface

Investigation of the action of vertical refraction and precision trigonometric leveling over the water surface

ISTCGCAP.
2007;
Volume 69, Number 69
: pp. 83 – 90
Authors:
  1. O.V. Kravchuk
  2. A. L. Ostrovskij
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University

In article described experimental researches of a vertical refraction on results of trigonometrically levelly above water lake surface of Beregany town discover laws of action of a refraction above lake. Methods of exception of influence of this factor are offered.

vertical refraction
equivalent altitudes
trigonometric leveling
  1. Ostrovs'kij A.L., Dzhuman B.M., Zablockij F.D., Kravcov M. Uchet atmosfernyh  vlijanij na astronomogeodezicheskie izmerenija. [Accounting for atmospheric effects on astronomogeodezicheskie measurement.]. Moscow: Nedra, 1990, p.235.
  2. Drok M.K. Issledovanija vlijanija vertikal'noj refrakcii pri odnostoronnem geodezicheskom nivelirovanii cherez vodnye prostranstva. [Studies of the effect of vertical refraction at unilateral geodetic leveling through bodies of water] Scientific Notes LPI series geodesic. Lviv, 1961, no.6, pp.154-182.