<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The standard recommended atmospheric gravity correction is based on the International Association of Geodesy (IAG) approach. This correction introduced into the results of gravimetric measurements reduces, in a simplified way, the influence of the actual atmospheric masses and the atmospheric masses contained inside a reference ellipsoid from the determined gravity anomalies or disturbances. Model of the actual atmosphere used in the IAG approach does not take into account topography as the lower boundary of the atmosphere, assuming that the atmosphere consists of spherical, constant density layers. In this study, we determined and analysed the components of atmospheric gravity correction for the area of Poland and its surroundings, considering topography as the lower limit of the atmosphere. In the calculations, we used algorithms typical for determining the topographic gravity reduction, assuming a model of atmospheric density based on the United States Standard Atmosphere 1976 model. The topography-bounded gravity atmospheric correction values determined were within the limits of 0.748–0.886 mGal and were different from standard, approximate atmospheric correction values in the range of 0.011 mGal for points at the sea level up to 0.105 mGal for points located at an altitude of approximately 2600 m.</p>
</abstract>

The standard recommended atmospheric gravity correction is based on the International Association of Geodesy (IAG) approach. This correction introduced into the results of gravimetric measurements reduces, in a simplified way, the influence of the actual atmospheric masses and the atmospheric masses contained inside a reference ellipsoid from the determined gravity anomalies or disturbances. Model of the actual atmosphere used in the IAG approach does not take into account topography as the lower boundary of the atmosphere, assuming that the atmosphere consists of spherical, constant density layers. In this study, we determined and analysed the components of atmospheric gravity correction for the area of Poland and its surroundings, considering topography as the lower limit of the atmosphere. In the calculations, we used algorithms typical for determining the topographic gravity reduction, assuming a model of atmospheric density based on the United States Standard Atmosphere 1976 model. The topography-bounded gravity atmospheric correction values determined were within the limits of 0.748–0.886 mGal and were different from standard, approximate atmospheric correction values in the range of 0.011 mGal for points at the sea level up to 0.105 mGal for points located at an altitude of approximately 2600 m.

Determination of the Topography-Bounded Atmospheric Gravity Correction for the Area of Poland

Wroclaw University of Environmental and Life Sciences

Artificial Satellites

This work is licensed under the Creative Commons Attribution 4.0 International License.

The standard recommended atmospheric gravity correction is based on the International Association of Geodesy (IAG) approach. This correction introduced into...

Determination of the Topography-Bounded Atmospheric Gravity Correction for the Area of Poland

Publié en ligne: 06 juil. 2024

Pages: 64 - 76

Reçu: 05 avr. 2024

Accepté: 02 juil. 2024

DOI: https://doi.org/10.2478/arsa-2024-0005

Mots clés
atmospheric correction, atmospheric density, gravity correction

© 2024 Marek Trojanowicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Determination of the Topography-Bounded Atmospheric Gravity Correction for the Area of Poland

Publié en ligne: 06 juil. 2024

Pages: 64 - 76

Reçu: 05 avr. 2024

Accepté: 02 juil. 2024

DOI: https://doi.org/10.2478/arsa-2024-0005

Mots clésatmospheric correction, atmospheric density, gravity correction

© 2024 Marek Trojanowicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
atmospheric correction, atmospheric density, gravity correction