The FALL3D Ash Cloud Dispersion Model and its Implementation at the Buenos Aires VAAC. 2009

A. FOLCH; M SUAYA; A. COSTA; J.G. VIRAMONTE

San Francisco

Congreso; AGU Fall Meeting ;18 December 2009 San Francisco, USA; 2010

AGU

Volcanic fallout causes several types of hazards with proximal to far‐range effects.  The impact of volcanic ash on aerial navigaBon is of increasing importance.The impact of volcanic ash on aerial navigaBon is of increasing importance.  Millimetric accumulaBons of ash are sufficient to disrupt airports.Millimetric accumulaBons of ash are sufficient to disrupt airports.  The presence of ash in the airspace surrounding airports reduces visibility and threats safety of landing and take off operaBons. threats safety of landing and take off operaBons. The presence of ash in the airspace surrounding airports reduces visibility and threats safety of landing and take off operaBons.  Low concentraBons of ash are sufficient to damage high‐bypass turbine engines.Low concentraBons of ash are sufficient to damage high‐bypass turbine engines.  Volcanic ash clouds must be avoided by in‐route flights. The presence of ash clouds forces re‐rouBng of aircracs to prevent encounters. forces re‐rouBng of aircracs to prevent encounters. Volcanic ash clouds must be avoided by in‐route flights. The presence of ash clouds forces re‐rouBng of aircracs to prevent encounters.  Re‐rouBng and airport disrupBon have important socioeconomic consequences.Re‐rouBng and airport disrupBon have important socioeconomic consequences.