The vertical profile of the charge at the early phase of the cloud electrification
Abstract
The tripole structure of electrified cloud is now widely accepted by scientists, and mechanism of the electrification was also explored and discussed in the past decades. However, the charge separation in the thundercloud is a complicated process, and may not as simple as the description of the current models. In the June 2016 and 2017, three sounding balloons carrying electric field meters (EFM) were launched at Bau-Lai, near the Central Mountain area in Taiwan, during the intensive observation period (IOP) of the Coordinated Southwesterly Flow Campaigns. Miniaturized EFMs were successfully delivered into the cloud that was under electrification and the charge separation was going on. With a simple axisymmetric model, the charge distribution is derived from the observed vertical profile of the electric fields. Some interesting features in the early phase of the charge separation are manifested. The instrument, experiment and the results are presented in this paper.
- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2017
- Bibcode:
- 2017AGUFMAE13A2228C
- Keywords:
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- 3304 Atmospheric electricity;
- ATMOSPHERIC PROCESSES;
- 3324 Lightning;
- ATMOSPHERIC PROCESSES;
- 3360 Remote sensing;
- ATMOSPHERIC PROCESSES;
- 3394 Instruments and techniques;
- ATMOSPHERIC PROCESSES