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The conversion of heights of the benchmarks of the detailed vertical reference network into the PL-EVRF2007-NH frame Cover

The conversion of heights of the benchmarks of the detailed vertical reference network into the PL-EVRF2007-NH frame

Reports on Geodesy and Geoinformatics
Volume 109 (2020): Issue 1 (June 2020)
By:  and    
Open Access
|Jan 2020
Figures & tables

Figures & Tables

Table 1

Characteristics of selected elevation frames in Poland

The name of elevation frameMeasurement campaignAverage error after adjustment [mm/km]Characteristics of the frame
Kronstadt’60 (Wyrzykowski, 1993)1947–19580.78

  • – normal heights;

  • – gravimetric system Poczdam;

  • – Kronstadt level;

  • – mean-tide.

Kronstadt’86 (Kowalczyk and Rapinski, 2012; Łyszkowicz, 2012)1974–19820.84

  • – normal heights;

  • – gravimetric system IGSN71;

  • – Kronstadt level;

  • – tide-free.

Kronstadt’2006a (Gajderowicz, 2007; Kowalczyk and Rapinski, 2012)1999–2002b0.88

  • – normal heights;

  • – gravimetric system IGSN71;

  • – Kronstadt level;

  • – tide-free.

PL-KRON86-NH (Somla, 2018)1974–1982
1999–2002		0.91

  • – normal heights;

  • – gravimetric system IGSN71;

  • – Kronstadt level;

  • – tide-free.

PL-EVRF2007-NH (Mäkinen, 2008; Somla, 2018)1999–20120.91

  • – normal heights;

  • – gravimetric system GRS’80;

  • – Amsterdam level;

  • – zero-tide.

a The frame was not put into service.

b The years 1997–2003 are also quoted as part of the work was carried out in 1997 and 2003.

Table 2

The recommendations of the GUGiK concerning the conversion of heights depending on the state of data in districts (Somla, 2018)

CaseThe state of the reference networkRecommended method of height calculationGross cost [PLN/point]a
1

  • – has been modernised;

  • – the height in the PL-KRON86-NH frame;

  • – digitalised elevations.

Adjustment in PL-EVRF2007-NH frame10
2

  • – not modernised;

  • – heights in the Kronstadt’86 frame;

  • – there are data on elevations in levelling lines.

Performing control measurements, data verification and adjustment in the PL-EVRF2007-NH frame50
3

  • – not modernised;

  • – heights in different frames;

  • – incomplete archival material.

Modernisation of the reference network and adjustment in the PL-EVRF2007-NH frame700

a According to the Head Office of Geodesy and Cartography (Królikowski, 2019).

Figure 1

Distribution of height differences between mean-tide and zero-tide systems in Poland [cm] (own study based on Mäkinen (2008))

Figure 2

Height differences ΔH between the Kronstad’60 and PL-EVRF2007-NH frames of the points of the basic reference network of Kętrzyn district along the N–S profile

Figure 3

The scheme of distribution of the points of basic reference network used for the construction of the model of height conversion from Kronstadt’60 to PL-EVRF2007-NH in the area of Kętrzyn district (height difference iso-lines are given in m)

Table 3

The assessment of the accuracy of the model ΔHKronstadt′60–KRON86: raw data (the points of the reference network) and after adjustments (the Danish method)

ParameterRaw dataThe Danish method
Average [cm]–8.2–8.2
Deviation [cm]0.90.6
Maximum [cm]–6.4–6.9
Minimum [cm]–10.5–9.6
Curtosis–0.11–0.04
Skewness–0.24–0.01
DOI: https://doi.org/10.2478/rgg-2020-0001 | Journal eISSN: 2391-8152 (formerly 0867-3179) | Journal ISSN: 0867-3179
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Language: English
Page range: 1 - 7
Submitted on: Sep 26, 2019
Accepted on: Dec 23, 2019
Published on: Jan 17, 2020
Published by: Warsaw University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
Keywords:
height conversion,
detailed vertical reference network,
PL-EVRF2007-NH,
PL-KRON86-NH
Related subjects:
Computer sciences,
Computer sciences, other,
Geosciences,
Geodesy,
Cartography and photogrammetry,
Geosciences, other

© 2020 Łukasz Borowski, Piotr Banasik, published by Warsaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Volume 109 (2020): Issue 1 (June 2020)
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