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Volcano:

 
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Puzankov M.Yu., Bazanova L.I., Maximov A.P., Moskalyova S.V. The initial plinian basic andesite eruptions of the young cone, Avachinsky volcano (Kamchatka) // IV International Biennial Workshop on Subduction Processes emphasizing the Japan-Kurile-Kamchatka-Aleutian Arcs. August 21-27, 2004, Petropavlovsk-Kamchatsky. 2004. P. 158-160.
Ramsey Michael, Dehn Jonathan Spaceborne observations of the 2000 Bezymianny, Kamchatka eruption: the integration of high-resolution ASTER data into near real-time monitoring using AVHRR // Journal of Volcanology and Geothermal Research. 2004. V. 135. № 1-2. P. 127-146. doi:10.1016/j.jvolgeores.2003.12.014.    Annotation
Since its launch in December 1999, the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument has been observing over 1300 of the world's volcanoes during the day and night and at different times of the year. At the onset of an eruption, the temporal frequency of these regularly scheduled observations can be increased to as little as 1–3 days at higher latitudes. However, even this repeat time is not sufficient for near real-time monitoring, which is on the order of minutes to hours using poorer spatial resolution (>1 km/pixel) instruments. The eruption of Bezymianny Volcano (Kamchatkan Peninsula, Russia) in March 2000 was detected by the Alaska Volcano Observatory (AVO) and also initiated an increased observation frequency for ASTER. A complete framework of the eruptive cycle from April 2000 to January 2001 was established, with the Advanced Very High Resolution Radiometer (AVHRR) data used to monitor the large eruptions and produce the average yearly background state for the volcano. Twenty, nearly cloud-free ASTER scenes (2 days and 18 nights) show large thermal anomalies covering tens to hundreds of pixels and reveal both the actively erupting and restive (background) state of the volcano. ASTER short-wave infrared (SWIR) and thermal infrared (TIR) data were also used to validate the recovered kinetic temperatures from the larger AVHRR pixels, as well as map the volcanic products and monitor the thermal features on the summit dome and surrounding small pyroclastic flows. These anomalies increase to greater than 90 °C prior to a larger eruption sequence in October 2000. In addition, ASTER has the first multispectral spaceborne TIR capability, which allowed for the modeling of micrometer-scale surface roughness (vesicularity) on the active lava dome. Where coupled with ongoing operational monitoring programs like those at AVO, ASTER data become extremely useful in discrimination of small surface targets in addition to providing enhanced volcanic mapping capabilities.
Rashidov V.A., Romanova I.M., Bondarenko V.I., Palueva A.A. Information technologies in geomagnetic investigations of Late Cenozoic Pacific submarine volcanoes // Russian Journal of Earth Sciences. 2010. V. 11. P. RE3001 doi:10.2205/2009ES000358.    Annotation
The original actual materials collected during the geomagnetic research on the research vessel "Vulkanolog" in 1977-1991 (19 volcanological expeditions) resulted in important contribution into the world data on the structure of Late Cenozoic Pacific submarine volcanoes.

The research resulted in a single method analysis of the anomalous magnetic field of submarine volcanoes and volcanic zones within the Kurile, Izu-Bonin, Mariana, Solomon and Kermadec arcs, New Guinean and South China peripheral seas and within the Socorro hot-spot.

It is stressed that the Late Cenozoic submarine volcanoes within the arcs show their presence distinctly in the anomalous magnetic field by local anomalies located within the edifices. Their amplitude may reach 3000 nT, and the horizontal gradient of the field may exceed 100 nT/km. The data interpretation of the hydromagnetic survey allowed distinguishing the internal structure of single submarine volcanoes, volcanic massifs and volcanic zones in various Pacific regions. The authors revealed the bodies forming anomalies within the isolated volcanic edifices and submarine volcanic zones. The 2.5D and 3D modeling resulted in the estimation of the body ages and the period of the submarine volcanic activity.

Besides the research resulted in estimation of the edifice volumes, scale of submarine volcanic activity and drew the conclusion on the evolution of certain volcanic massifs.

In order to classify and visualize the materials on the geomagnetic research we continue to create "Late Cenozoic Pacific submarine volcanoes" information system. Currently the information system includes:

The Internet page "Comparative analysis of the materials on geomagnetic research of various manifestation types of the Late Cenozoic submarine volcanism in the Pacific";
"Late Cenozoic Pacific submarine volcanoes" database;
GIS "Geomagnetic investigations of various appearance types of Late Cenozoic Pacific submarine volcano activity".
The web site http://www.kscnet.ru/ivs/grant/grant_04/index.html contains numerous maps of the anomalous magnetic field, bathymetric and structural maps, fragments of the echo- sounding survey records and continuous acoustic profiling, photos of land volcanoes, references of the Pacific submarine volcanic activity and "Catalogue on the Late Cenozoic Pacific submarine volcanoes" (in Russian).
The database on the Late Cenozoic Pacific submarine volcanoes includes location of submarine volcanoes, magnetic behaviors and chemical composition of dredge rocks and volumes of the volcanic edifices. The database is hosted on the IVS FEB RAS server and is available on the following page: http://www.kscnet.ru/ivs/volcanoes/submarine/.

The GIS contains maps of the anomalous magnetic field and the volcanic edifices relief.

"Late Cenozoic Pacific submarine volcanoes" information system provides researchers with the convenient tools for working with cartographic and attributive data and helps to implement a comprehensive data processing.
Riley Colleen Origin of scatter in paleomagnetic directions of samples from Gorely Volcano, Kamchatka, Russia. 1994. Дисс. докт. геол.-мин. наук. 70 p.    Annotation
Lava flows from sixteen sites at Gorely Volcano, Kamchatka were sampled. Initial analysis showed high within-site scatter for NRM specimen directions. Alternating field and thermal demagnetization of specimens showed single-component magnetization indicating that specimens had not moved or were not exposed to changes in the magnetic field during acquisition of a magnetic direction. Scatter is thought to be either due to movement of the specimen with respect to the magnetic field or change in the magnetic field with respect to the specimen. Four factors were found that would contribute to scatter in specimen directions. These are 1) cooling rate, 2) range of unblocking temperatures, 3) relative time of emplacement, and 4) how the specimen moved or was affected by changes in the magnetic field. Only two sites showed that scatter was due to movement of the specimen. It appears that scatter in other sites resulted from changes in the magnetic field generated from a magma-induced electrical current due to lava flowing in the earth’s magnetic field. These changes in the magnetic field are shown to have more affect on material sampled at the surface than on material sampled at depth because massive interiors of flows showed less dispersion in specimen directions than levees or pull-aparts.
Roman Alberto, Bergal-Kuvikas Olga, Shapiro Nikolay M., Gordeev E.I., Taisne Benoit, Jaupart Claude Control on the organization of the plumbing system of subduction volcanoes: the role of volatiles and edifice load // AGU Fall Meeting Abstracts. 2017.
Romanova I.M., Girina O.A. Spatial Data Infrastructure for information support of volcanological investigations // 10th Biennual workshop on Japan-Kamchatka-Alaska subduction processes (JKASP-2018). Petropavlovsk-Kamchatsky, Russia, August 20-26. Petropavlovsk-Kamchatsky: IVS FEB RAS. 2018. P. 193-195.
Romanova I.M., Girina O.A., Maximov A.P., Melekestsev I.V., Vasiliev S.E. Volcanoes of Kurile-Kamchatka Islands Arc Information System for Integration Heterogeneous Volcanological Data // Abstracts. International Workshop “JKASP-8”. Sapporo. Japan. September 22-26. 2014. 2014.
Romanova I.M., Girina O.A., Maximov A.P., Vasiliev S.E. Integration of volcanological data in VOKKIA information system // Modern Information Technologies in Earth Sciences. Proc. of the VI International Conference, Yuzhno-Sakhalinsk, August 7-11, 2016. Vladivostok: Dalnauka. 2016. P. 65-66.
Romanova I.M., Girina O.A., Melekestsev I.V., Maximov A.P. Information system «Volcanoes of the Kurile-Kamchatka Island Arc» // Geoinf. Res. Papers. // National report for the International Association of Volcanology and Chemistry of the Earth’s Interior of the International Union of Geodesy and Geophysics 2011–2014. Presented to the XXVI General Assembly of the IUGG. 2015. V. 3. P. 118-119. № 10.2205/2015IUGG-RU-IAVCEI.
Romanova Iraida M. IVS FEB RAS Geoportal for integration and increasing availability of volcanological data // IAVCEI 2013 Scientific Assembly. July 20 - 24, Kagoshima, Japan. 2013. P. 1279





 

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