By Valdislav Mazur, Lothar H. Ruhnke
Published via the yankee Geophysical Union as a part of the detailed courses sequence, quantity 66.
This ebook offers the gathered works of Heinz-Wolfram Kasemir, a prolific researcher in lots of branches of atmospheric electrical energy, with commentaries by means of Lothar Ruhnke and Vladislav Mazur. simply because lots of his papers weren't reviewed via his friends, it's a infrequent chance to event the true considering a widespread scientist within the box of atmospheric electricity.
numerous of his contributions stand out as most important for the improvement of this science:
- Kasemir built a physically-sound concept in regards to the move of fees from thunderstorms to worldwide fair-weather areas.
- Kasemir’s idea of atmospheric present stream motivated calculations of (1) the electrical box and present trend of cloud fees within the presence of conductivity expanding with altitude, (2) the time-function for a lightning electrical box that adjustments from electrostatic to at least one pushed via conductivity, and (3) the influence of conductivity alterations at cloud limitations on their screening fees, and for that reason, on floor electrical fields.
- Kasemir’s innovative concept that lightning develops as a bi-directional chief with a zero-net cost, proposed in 1950, had a big influence at the improvement of lightning physics.
- Kasemir’s research of impact cost on lightning channels in a possible box spread out the realm of the actual modeling of lightning processes.
This venture used to be generously supported by way of the nationwide technological know-how origin via AGS-1138919. thanks to NSF for its contribution in making this assortment to be had to the public.
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Additional resources for Heinz-Wolfram Kasemir: His Collected Works
The sun is blocked by the mountain slopes both after rising and before setting. An image of the actual contour of the horizon at Jungfraujoch can be found in Figure 5 from the research of W. Mörikofer and U. Chorus . 17 Heinz-Wolfram Kasemir: His Collected Works Atmospheric Electrical Diurnal Variations and Mass Exchange in the High Mountains. 373 The hourly averages of the registrations of potential gradient and vertical current as well as the conductivity values calculated from these are consistently provided in an unreduced, relative measurement in Tables 1 to 6.
The same applies for the registration on July 20, 1950. Furthermore, it is interesting that the note “wet snow” was added with the registration on July 28, 1950 during the snowfall, through which the negative polarity uncommon for snow would be explained in this case. All the cases of snow during the winter months could have only been dry snow. Therefore, it is possible to conclude that the snow with a negative polarity in the summer months was a wet snow. e. snow as a pure sublimation product always carries a positive charge and produces a positive field.
13 Heinz-Wolfram Kasemir: His Collected Works Atmospheric Electrical Diurnal Variations and Mass Exchange in the High Mountains. 369 Table 4. Hourly averages of the potential gradient at Jungfraujoch on the sought out, disturbance-free days in the fall of 1950, supplemented through disturbance-free partial diurnal series. The information is provided in volts (collector voltage, unreduced). 14 Heinz-Wolfram Kasemir: His Collected Works 370 H. ISRAЁL, H. W. KASEMIR AND K. WIENERT: Table 5. Hourly averages of the atmospheric electrical vertical current at Jungfraujoch on the sought out, disturbance-free days in the fall of 1950, supplemented through disturbance-free partial diurnal series.