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Variations with periods near 1.3 year in solar and geomagnetic activity
Střeštík, Jaroslav
The period about 1.3 years, found some time ago in solar wind velocity and in some biological data, is in geomagnetic aktivity prezent only in a short interval after 1990 a in leader extent around 1942. Other periods in the vicinity appear only sporadically and are much weaker. A connection with the solar cycle (even – odd) was not found. In solar acitvity these periods do not appear at all.
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Report on the geothermal research in borehole GTPVLT-1 (Litoměřice) - appendix
Šafanda, Jan ; Dědeček, Petr ; Krešl, Milan ; Čermák, Vladimír
The report provides detailed information about geothermal research in borehole GTPVLT-1 in the Czech Republic together with all graphic outputs. It includes (i) repeated temperature logs during and after the borehole drilling, (ii) measurements of thermal conductivity and diffusivity of the encountered rock samples, (iii) measurements of radioactive isotopes content of uranium, thorium and potassium in the encountered rock samples and calculation of their radiogenic heat production, (iv) determination of the terrestrial heat flow in the borehole and (v) prognosis of temperature expected down to the depth of 5 km.
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Report on the geothermal research in borehole GTPVLT-1 (Litoměřice)
Šafanda, Jan ; Dědeček, Petr ; Krešl, Milan ; Čermák, Vladimír
The report provides information about geothermal research in borehole GTPVLT-1 in the Czech Republic, which included (i) repeated temperature logs during and after the borehole drilling, (ii) measurements of thermal conductivity and diffusivity of the encountered rock samples, (iii) measurements of radioactive isotopes content of uranium, thorium and potassium in the encountered rock samples and calculation of their radiogenic heat production, (iv) determination of the terrestrial heat flow in the borehole and (v) prognosis of temperature expected down to the depth of 5 km.
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