Die geomagnetische Vermessung der Bundesrepublik Deutschland, Epoche 1965.0

Voppel, Dietrich; Wienert, Karl

doi:10.1007/bf02226476

Cited by 17 publications

(6 citation statements)

References 1 publication

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“…Therefore, the SV from 1965 to 1982 will be based upon results achieved from instrumental sets which can be considered comparable with regard to accuracy. This applies particularly to Z and F, the SVs of which, with regard to the period from 1935 to 1965, are obviously falsified by the errors of the survey of 1935 (Voppel and Wienert, 1974). Therefore, if one uses the modern instruments, the accuracy of the results depends largely upon the inhomogeneity of the variations.…”

Section: Instrumentsmentioning

confidence: 89%

“…This case almost happens at 14.30 UT. The method of interpolation has already been applied by Voppel and Wienert (1974), when evaluating the last-but-one survey of the F.R.G. in 1965.0.…”

Section: Variationsmentioning

confidence: 99%

“…the same order of magnitude as inhomogeneities during quiet night hours. Whereas, in 1935 (Bock et al, 1948) the inclination I was measured with an earth inductor, in 1965, Voppel and Wienert (1974) calculated I from H, measured by means of quartz horizontal magnetometers (QHM and HTM) and from the total intensity F, measured by means of a proton magnetometer (PRM) ( Table I). In the late seventies, the development of the probe theodolite with a fluxgate as null indicator -was perfected.…”

Section: Instrumentsmentioning

confidence: 99%

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On the reduction of time variations for geomagnetic repeat station measurements

Schulz¹,

Beblo²

1984

Geophysical Surveys

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Abstract. For most previous geomagnetic surveys, the time variations of the observatory closest to the site of observation have been used for reduction. The accuracy of repeat station measurements depends upon the distance between the station and the observatory. Nowadays, the requirements for the accuracy of repeat station measurements are much higher, especially with respect to local secular variation anomalies. On the other hand, transportable variograph stations are available, by means of which time variations can be recorded closer to the station site. We discuss the aforementioned aspects by way of an example taken from this survey.

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Section: Instrumentsmentioning

confidence: 89%

“…This case almost happens at 14.30 UT. The method of interpolation has already been applied by Voppel and Wienert (1974), when evaluating the last-but-one survey of the F.R.G. in 1965.0.…”

Section: Variationsmentioning

confidence: 99%

Section: Instrumentsmentioning

confidence: 99%

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On the reduction of time variations for geomagnetic repeat station measurements

Schulz¹,

Beblo²

1984

Geophysical Surveys

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“…The field differences (total intensity) between 1965.0 and 1982.5 obtained by repeat measurements at geomagnetic stations in the Federal Republic of Germany (VOPPEL and WIENERT, 1974;Schulz, personal communication) and France (GILBERT and LE MOUEL, 1984) can be seen in Fig. 1.…”

Section: Secular Variationmentioning

confidence: 96%

Experience with the use of global reference fields for compilation of aeromagnetic data for Europe.

Wonik

1990

J. geomagn. geoelec

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“…For the epochs 1965.0 and 1982.5, Wonik and Hahn (1988) compared the results of 10 Central European observatories (Golovkov et al ., 1983) and 78 repeat stations in Germany (Voppel and Wienert, 1974; Schulz et al ., 1997) and France (e.g. Gilbert and Le Mouel, 1984) with the field values computed from the reference fields DGRF 1980 and DGRF 1965 at these sites.…”

Section: Procedures For Processing and Merging The Datasetsmentioning

confidence: 99%

Magnetic anomaly map for Northern, Western, and Eastern Europe^*

et al. 2001

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All of the available data describing the Earth’s magnetic field in Northern, Western, and Eastern Europe (c. 3 × 106 data points) are compiled and presented at a scale of 1:20 400 000. The compilation meets two requirements (i) that the total field intensity anomalies reflect a survey acquired at an altitude of 3000 m above m.s.l. and during the same epoch, 1980.0; and (ii) that the anomalies are residuals after subtracting the common reference field DGRF1980. As the data span many epochs, geomagnetic data recorded at observatories and repeat stations were used to determine the best model for estimating the secular variation in all data up to 1980. This yielded magnetic anomalies with wavelengths up to the order of 2000 km. The precision of the resultant anomalies (amplitudes about – 1700 nT to 8000 nT) differ between ± 10 nT in Central Europe and ± 20 nT in the outer parts of the compilation. The resultant anomaly map contains a wealth of information to geoscientists studying global tectonic processes and the deep crustal composition of major continental crusts. It clearly shows the different anomaly patterns between the Palaeozoic and Precambrian crusts of Central and Eastern Europe. These anomalies are interpreted as lateral changes of magnetization in a horizontal plate. A comparison between the low‐level compilation and maps derived from the MAGSAT satellite at about 360 km altitude allows the description of the two different crust types in Europe.

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Die geomagnetische Vermessung der Bundesrepublik Deutschland, Epoche 1965.0

Cited by 17 publications

References 1 publication

On the reduction of time variations for geomagnetic repeat station measurements

On the reduction of time variations for geomagnetic repeat station measurements

Experience with the use of global reference fields for compilation of aeromagnetic data for Europe.

Magnetic anomaly map for Northern, Western, and Eastern Europe^*

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Die geomagnetische Vermessung der Bundesrepublik Deutschland, Epoche 1965.0

Cited by 17 publications

References 1 publication

On the reduction of time variations for geomagnetic repeat station measurements

On the reduction of time variations for geomagnetic repeat station measurements

Experience with the use of global reference fields for compilation of aeromagnetic data for Europe.

Magnetic anomaly map for Northern, Western, and Eastern Europe*

Contact Info

Product

Resources

About

Magnetic anomaly map for Northern, Western, and Eastern Europe^*