منابع مشابه
Kuwae Caldera and Climate Confusion
A circular argument has been developed and further propagated through a series of studies that link a major climate-modifying eruption in the 15 th century with Kuwae caldera in Vanuatu. Clear evidence in both N and S hemispheres suggests a major eruption with global atmospheric sulphur loading occurred in 1455-56. Concurrent 14 C determinations from pyroclastic units and estimations of caldera...
متن کاملThe Toba Caldera Complex
The Toba Caldera in Indonesia is one of the most remarkable volcanic features formed during Quaternary geologic time. Its rich history of research for over a century has yielded important information on the physical volcanology of silicic calderas and super-eruptions, geochemical evolution of silicic magma bodies, and geophysical imaging of active sub-volcanic systems. During the past 1.3 my, t...
متن کاملNonstatistical dynamics on the caldera.
We explore both classical and quantum dynamics of a model potential exhibiting a caldera: that is, a shallow potential well with two pairs of symmetry related index one saddles associated with entrance/exit channels. Classical trajectory simulations at several different energies confirm the existence of the "dynamical matching" phenomenon originally proposed by Carpenter, where the momentum dir...
متن کاملConfusion
Acetaminophen (paracetamol) plays a vital role in American health care, with in excess of 25 billion doses being used annually as a nonprescription medication. Over 200 million acetaminophen-containing prescriptions, usually in combination with an opioid, are dispensed annually. While acetaminophen is recognized as a safe and effective analgesic and antipyretic, it is also associated with signi...
متن کاملConfusion Matrix
A confusion matrix (Kohavi and Provost, 1998) contains information about actual and predicted classifications done by a classification system. Performance of such systems is commonly evaluated using the data in the matrix. The following table shows the confusion matrix for a two class classifier. The entries in the confusion matrix have the following meaning in the context of our study: ● a is ...
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ژورنال
عنوان ژورنال: The Open Geology Journal
سال: 2007
ISSN: 1874-2629
DOI: 10.2174/1874262900701010007