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    Academic Journals

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• Ash under scrutiny

  From:American Scientist (Vol. 99, Issue 4)

  July-August 2011143 words Brief article 1280LIceland's Eyjafjallajokull volcano disrupted European travel last April, when airlines shut down for a week to avoid the ash plume. Now a battery of chemical and physical tests backs up that decision. Earth scientists...

• Use of silica fume and natural volcanic ash as a replacement to Portland cement: Micro and pore structural investigation using NMR, XRD, FTIR and X-ray microtomography

  Authors:Kunal Kupwade-Patil, Steven D. Palkovic, Ali Bumajdad, Carmen Soriano, and Oral BuyukozturkFrom:Construction and Building Materials (Vol. 158) Peer-Reviewed

  Jan. 15, 20189,678 words Report, Statistical ... 1640LABSTRACT This work investigates the effectiveness of the use of volcanic ash along with silica fume as a partial replacement for Portland cement. Multiple mix combinations of volcanic ash, silica fume and Portland...

• Recycled Etna volcanic ash for cement, mortar and concrete manufacturing

  Author:Loredana ContrafattoFrom:Construction and Building Materials (Vol. 151) Peer-Reviewed

  Oct. 20177,770 words Report 1480LABSTRACT The paper discusses the results of an original experimental research program focusing on the evaluation of the possible re-use of volcanic pyroclastic deposits on the public space generated by Mt. Etna...

• Performance of Pakistani volcanic ashes in mortars and concrete

  Authors:Amjad Naseer, Abdul Jabbar, Akhtar Naeem Khan, Qaisar Ali, Zakir Hussain, and Jahangir MirzaFrom:Canadian Journal of Civil Engineering (Vol. 35, Issue 12) Peer-Reviewed

  Dec. 20085,155 words Technical report Two Pakistani volcanic ashes, VA1 (as is and calcined) and VA2 (as is), were incorporated into mortar cubes, concrete cylinders, and concrete beams as a partial substitute for ordinary Portland cement (OPC), and were...

• Effects of the White River Ash event on aquatic environments, southwest Yukon, Canada

  Authors:Joan Bunbury and Konrad GajewskiFrom:Arctic (Vol. 66, Issue 1) Peer-Reviewed

  Mar. 20136,749 words Report 1440L(Received 12 September 2011; accepted in revised form 10 May 2012) ABSTRACT. Chironomid and sedimentary records from four lakes in the southwest Yukon reveal that the effects of the White River Ash event on aquatic...

• Methodology for separation and elemental analysis of volcanic ash nanoparticles

  Authors:M.S. Ermolin, P.S. Fedotov, V.K. Karandashev, and V.M. ShkinevFrom:Journal of Analytical Chemistry (Vol. 72, Issue 5) Peer-Reviewed

  May 20174,614 words Report 1440LA methodology for separation, characterization, and quantitative elemental analysis of volcanic ash nanoparticles is proposed. A combination of field-flow fractionation in a rotating coiled column and membrane...

• A new discrete wavelength backscattered ultraviolet algorithm for consistent volcanic SO.sub.2 retrievals from multiple satellite missions

  Authors:Bradford L. Fisher, Nickolay A. Krotkov, Pawan K. Bhartia, Can Li, Simon A. Carn, Eric Hughes, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 9) Peer-Reviewed

  Sept. 25, 2019317 words Brief article, Techn...

  This paper describes a new discrete wavelength algorithm developed for retrieving volcanic sulfur dioxide (SO.sub.2) vertical column density (VCD) from UV observing satellites. The Multi-Satellite SO.sub.2 algorithm...

• Volcano delays

  From:Nature (Vol. 464, Issue 7292) Peer-Reviewed

  Apr. 22, 201091 words Brief article 1150LVolcano delays: The Icelandic volcano EyjafjallajokuU, which has been erupting since 21 March, has spewed vast amounts of ash up to 5 kilometres into the atmosphere. Magma from the eruption has found a route to the...

• Honeywell analyzing effects of volcanic ash on turbine engines

  From:Advanced Materials & Processes (Vol. 168, Issue 7) Peer-Reviewed

  July 2010211 words Brief article 1470LThe effects of ash ingestion on two turboprop engines that gathered scientific data during recent volcanic eruptions and flights into the subsequent ash cloud over Europe are being analyzed by Honeywell International...

• Virtual fossils from 425 million-year-old volcanic ash: a set of exceptionally preserved but difficult-to-extract fossils reveals the diverse creatures from a Silurian sea-floor community

  Authors:Derek E.G. Briggs, Derek J. Siveter, David J. Siveter, and Mark D. SuttonFrom:American Scientist (Vol. 96, Issue 6)

  November-December 20084,934 words Essay 1270LWhat is a fossil? This word can mean many things, but it usually refers to the mineralized skeleton of some extinct organism--a trilobite or dinosaur, for example--which resists degradation and thus survives the eons...

• Volcanic ash modeling with the NMMB-MONARCH-ASH model: quantification of offline modeling errors

  Authors:Alejandro Marti and Arnau FolchFrom:Atmospheric Chemistry and Physics (Vol. 18, Issue 6) Peer-Reviewed

  Mar. 22, 201838 words Author abstract, Bri... Byline: Alejandro Marti, Arnau Folch To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link:...

• Resilient to natural disasters

  From:Nature (Vol. 488, Issue 7409) Peer-Reviewed

  Aug. 2, 2012184 words Brief article 1360LA study of ancient volcanic ash found at key archaeological sites suggests that Neanderthals and early modern humans were more resilient to climate change and natural disasters than is often assumed. John Lowe at the...

• Asking for trouble: stranded passengers may grumble, but the best course of action for commercial jetliners is to steer clear of volcanic ash clouds

  Author:Lee S. LangstonFrom:Mechanical Engineering-CIME (Vol. 132, Issue 7) Peer-Reviewed

  July 20102,059 words Article In April, my wife Liz and I and our fellow passengers on an Indian Ocean cruise disembarked at Cape Town, South Africa. Given that our cruise ship had successfully steered clear of any eminently dangerous encounters...

• Humidity control materials prepared from diatomite and volcanic ash

  Authors:Dinh-Hieu Vu, Kuen-Sheng Wang, Bui Hoang Bac, and Bui Xuan NamFrom:Construction and Building Materials (Vol. 38) Peer-Reviewed

  Jan. 20133,896 words Article 1530LABSTRACT The preparation of humidity control materials has been studied by sintering a mixture of diatomite and volcanic ash with and without the addition of sodium perborate. The final products were analyzed to...

• The importance of crystalline phases in ice nucleation by volcanic ash

  Authors:Elena C. Maters, Donald B. Dingwell, Corrado Cimarelli, Thomas F. Whale, and Benjamin J. MurrayFrom:Atmospheric Chemistry and Physics (Vol. 19, Issue 8) Peer-Reviewed

  Apr. 25, 2019341 words Author abstract, Bri...

  Volcanic ash is known to nucleate ice when immersed in supercooled water droplets. This process may impact the properties and dynamics of the eruption plume and cloud as well as those of meteorological clouds once...

• Develop instruments to monitor volcanic ash fallout

  Author:Freysteinn SigmundssonFrom:Nature (Vol. 466, Issue 7302) Peer-Reviewed

  July 1, 2010220 words Brief article, Lette... 1400LAir-traffic response to future incidents akin to the volcanic eruption in Iceland will be more effective if an automated instrument can be developed for continuous, near real-time monitoring of ash fallout from eruption...

• Partial replacement of volcanic ash by bauxite and calcined oyster shell in the synthesis of volcanic ash-based geopolymers

  Authors:Y.J.N. Djobo, A. Elimbi, J. Dika Manga, and I.B. Djon Li NdjockFrom:Construction and Building Materials (Vol. 113) Peer-Reviewed

  June 15, 20165,502 words Report 1680LABSTRACT Volcanic ash is an aluminosilicate material with generally variable chemical and mineralogical compositions from one deposit to another. When combined with suitable alkaline solution, its powder can be...

• The use of the volcanic powders as supplementary cementitious materials for environmental-friendly durable concrete

  Authors:Y. Labbaci, Y. Abdelaziz, A. Mekkaoui, A. Alouani, and B. LabbaciFrom:Construction and Building Materials (Vol. 133) Peer-Reviewed

  Feb. 15, 20175,367 words Abstract, Report 1390LABSTRACT This study is part of a sustainable development policy that is dictated by the growing needs of material resources and the requirements of environmental protection. It addresses an investigation on the...

• Accelerating volcanic ash data assimilation using a mask-state algorithm based on an ensemble Kalman filter: a case study with the LOTOS-EUROS model (version 1.10)

  Authors:Guangliang Fu, Hai Xiang Lin, Arnold Heemink, Sha Lu, Arjo Segers, Nils van Velzen, et al.From:Geoscientific Model Development (Vol. 10, Issue 4) Peer-Reviewed

  Apr. 24, 2017199 words Author abstract, Bri... In this study, we investigate a strategy to accelerate the data assimilation (DA) algorithm. Based on evaluations of the computational time, the analysis step of the assimilation turns out to be the most expensive part....

• On the role of climate forcing by volcanic sulphate and volcanic ash

  Author:Baerbel LangmannFrom:Advances in MeteorologyPeer-Reviewed

  Annual 201415,161 words Report 1540LThere is overall agreement that volcanic sulphate aerosols in the stratosphere can reduce solar radiation reaching the earth's surface for years, thereby reducing surface temperatures, affecting global circulation...