The Journal of the Petrological Society of Korea (암석학회지)

The Petrological Society of Korea (한국암석학회)
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Monitoring Techniques for Active Volcanoes

활화산의 감시 기법에 대한 연구

  • Yun, Sung-Hyo (Department of Earth Science Education, Pusan National University) ;
  • Lee, Jeong-Hyun (Institute of Environmental Studies, Pusan National University) ;
  • Chang, Cheol-Woo (Department of Earth Sciences, Pusan National University)
  • 윤성효 (부산대학교 사범대학 지구과학교육과) ;
  • 이정현 (부산대학교 환경연구원) ;
  • 장철우 (부산대학교 대학원 지구과학과)
  • Received : 2014.04.02
  • Accepted : 2014.04.25
  • Published : 2014.06.30
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Abstract

There are various ways to monitor active volcanoes, such as the method of observing the activity of a volcano with the naked eye, the method of referring to the past eruptive history based on the historic records and the method of monitoring volcanoes by using observation equipment. The most basic method from the observation equipment-using methods to monitor volcanoes is seismic monitoring. In addition to this, the ways to monitor volcanoes are as follows: resonance observation which may be effective to remove artificial noises from the seismic activities that are recorded in the seismograph, ground deformation by using precision leveling, electronic distance measurement, tiltmeter, GPS, and InSAR observation method, volcanic gas monitoring, hydrologic and meteorological monitoring, and other geophysical monitoring methods. These monitoring methods can make volcanic activities effectively monitored, determine the behavior of magmas in magma chambers and help predict the future volcanic eruptions more accurately and early warning, thus, minimize and mitigate the damage of volcanic hazards.

활화산을 감시하는 방법은 육안으로 직접 관찰하는 방법, 과거의 분화 기록 문건을 참조하는 방법, 직접적으로 관측 장비를 동원하여 화산체를 감시하는 방법 등이 있다. 이 중 관측 장비를 이용하여 화산체를 감시하는 방법 중 가장 기본적인 것은 지진활동도의 감시이며, 이외에도 지진계에 기록된 지진활동 중 인위적인 노이즈를 걸러내는 데 효과적인 공진 관측, 그리고 정밀수준기, 전자거리측정기, 경사계, GPS, InSAR 관측법을 통한 지표변형의 감시, 화산가스 감시, 수문학적/기상학적 감시, 기타 지구물리학적 감시 등의 방법이 있다. 이러한 감시 기법을 통해 화산의 활동을 효과적으로 감시하고 이를 통해 지하 마그마방에서의 마그마 거동을 파악함으로써 미래의 화산 분화를 보다 정확하게 예측하고 조기 경보하여 그에 따른 재해의 피해를 경감하고 최소화 할 수 있다.

Keywords

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