Ground-based remote sensing of gas emissions from Teide volcano (Tenerife, Canary Islands, Spain): first results

K. Weber; C. Fischer; G. Van Haren; K. Bothe; S. Pisirtsidis; M. Laue; Y. González Ramos; J. Barrancos Martínez; P. Hernández; N. Pérez; K. Pabel; M. Sosef

doi:10.1117/12.714411

29 September 2006 Ground-based remote sensing of gas emissions from Teide volcano (Tenerife, Canary Islands, Spain): first results

K. Weber, C. Fischer, G. Van Haren, K. Bothe, S. Pisirtsidis, M. Laue, Y. González Ramos, J. Barrancos Martínez, P. Hernández, N. Pérez, K. Pabel, M. Sosef

Author Affiliations +

Proceedings Volume 6362, Remote Sensing of Clouds and the Atmosphere XI; 63621H (2006) https://doi.org/10.1117/12.714411
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

Teide volcano, the Spanish highest peak (3716 m), is located in the central part of Tenerife, Canary Islands. An anomalous seismic activity was detected in and around Tenerife Island since middle of 2001 reaching a peak of seismicity in may 2004 by the National Seismic Network (IGN). Volcanic gases can provide a valuable information about this volcanic unrest at Tenerife; therefore, measurements of major and some minor volcanic gas components emitted by the fumarolic activity at the summit crater of Teide volcano were performed by means of optical remote sensing on September 2005. During this measurement campaign an UV-DOAS system and three op-TDL systems were used to monitor major and minor volcanic gas components in the open atmosphere inside the summit crater. The UV-DOAS system was used for monitoring SO₂ and CS₂, while three TDL-systems were used for monitoring CO₂, H₂S and HF. It could be demonstrated successfully, that the optical remote sensing instruments used (UV-DOAS and op-TDLs) were very appropriate to monitor continuously these volcanic gas components. In addition CO₂ flux measurements were performed at the summit crater of Teide volcano by means of well established methods. By multiplying CO₂ flux data by (gas)i/CO₂ ratios provided by optical remote sensing measurements, it is possible to estimate flux values for several detected volcanic gas components during this measurement campaign.

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K. Weber, C. Fischer, G. Van Haren, K. Bothe, S. Pisirtsidis, M. Laue, Y. González Ramos, J. Barrancos Martínez, P. Hernández, N. Pérez, K. Pabel, and M. Sosef "Ground-based remote sensing of gas emissions from Teide volcano (Tenerife, Canary Islands, Spain): first results", Proc. SPIE 6362, Remote Sensing of Clouds and the Atmosphere XI, 63621H (29 September 2006); https://doi.org/10.1117/12.714411

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