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  • Oxford University Press  (149,772)
  • American Geophysical Union  (79,627)
  • Hindawi  (60,317)
  • 2010-2014  (163,389)
  • 2000-2004  (66,323)
  • 1995-1999  (55,375)
  • 1955-1959  (4,629)
Collection
Publisher
Years
Year
  • 1
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Philosophy, Introductions.
    Notes: Mind -- Knowledge -- Language -- Science -- Morality -- Politics -- Law -- Metaphysics -- Philosophy
    Pages: xviii, 412 p.
    ISBN: 0-19-518393-2
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  • 2
    Unknown
    New York : Oxford University Press
    Keywords: Anti-globalization movement. ; Globalization, Economic aspects. ; Globalization, Social aspects.
    Notes: I. Coping with anti-globalization -- 1. Anti-globalization: why? -- 2. Globalization: socially, not just economically, benign -- 3. Globalization is good but not good enough -- 4. Non-government organizations -- II. Globalization's human face: trade and corporations -- 5. Poverty: enhanced or diminished? -- 6. Child labor: increased or reduced? -- 7. Women: harmed or helped? -- 8. Democracy at bay? -- 9. Culture imperiled or enriched? -- 10. Wages and labor standards at stake? -- 11. Environment in peril? -- 12. Corporations: predatory or beneficial? -- III. Other dimensions of globalization -- 13. The perils of Gung-Ho International Financial capitalism -- 14. International flows of humanity -- IV. Appropriate governance: making globalization work better -- 15. Appropriate governance: an overview -- 16. Coping with downsides -- 17. Accelerating the achievement of social agendas -- 18. Managing transitions: optimal, not maximal, speed -- V. In conclusion -- 19. And so, let us begin anew
    Pages: xi, 308 p.
    ISBN: 0-19-530391-1
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  • 3
    Unknown
    Oxford ; New York : Oxford University Press
    Series in affective science  
    Keywords: Affect (Psychology) ; Electronic books ; Emotions
    Pages: xvii, 1199 p.
    ISBN: 0-19-530205-2
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  • 4
    Unknown
    New York : Oxford University Press
    Religion in America series  
    Keywords: Edwards, Jonathan,, 1703-1758.
    Pages: xii, 194 p.
    ISBN: 0-585-30895-0
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  • 5
    Unknown
    New York : Oxford University Press
    Keywords: Truth.
    Pages: ix, 268 p.
    ISBN: 0-585-32455-7
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  • 6
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Occom, Samson,, 1723-1792. ; African Americans in literature. ; African Americans, Intellectual life. ; American literature, African American authors, History and criticism. ; American literature, Indian authors, History and criticism. ; American literature, 1783-1850, History and criticism. ; American literature, Colonial period, ca. 1600-1775, History and criticism. ; American literature, Revolution, 1775-1783, History and criticism. ; Christian literature, American, History and criticism. ; Christianity and literature, United States, History, 18th century. ; Hymns, English, United States, History and criticism. ; Indians in literature. ; Indians of North America, Intellectual life.
    Pages: vi, 255 p.
    ISBN: 0-19-518567-6
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  • 7
    Unknown
    New York : Oxford University Press
    Keywords: United States, Social policy. ; Public welfare, United States, History.
    Pages: 210 p.
    ISBN: 0-585-35667-X
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  • 8
    Unknown
    Oxford ; New York : Oxford University Press
    Series in affective science  
    Keywords: Autobiographical memory. ; Brain, physiology. ; Emotions. ; Emotions, physiology. ; Memory, physiology. ; Mental Disorders, psychology. ; Psychiatry. ; Psychophysiology.
    Notes: Memory for emotional events / Daniel Reisberg and Friderike Heuer -- The neuroanatomy of emotional memory in humans / Tony W. Buchanan and Ralph Adolphs -- The biopsychology of trauma and memory / Jessica D. Payne ... [et al.] -- Forgetting trauma? / Richard J. McNally, Susan A. Clancy, and Heidi M. Barrett -- Selective memory effects in anxiety disorders : an overview of research findings and their implications / Colin MacLeod and Andrew Mathews -- Memory for emotional and nonemotional events in depression : a question of habit? / Paula Hertel -- Emotion, memory, and conscious awareness in schizophrenia / Jean-Marie Danion ... [et al.] -- Children's memories of emotional events / Robyn Fivush and Jessica McDermott Sales -- Aging and emotional memory / Mara Mather -- Emotion and eyewitness memory / Robin S. Edelstein ... [et al.] -- Emotional memory in survivors of the Holocaust : a qualitative study of oral testimony / Robert N. Kraft
    Pages: xiv, 413 p.
    ISBN: 0-19-518650-8
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  • 9
    Unknown
    New York : Oxford University Press
    Oxford paperback reference  
    Keywords: Christian saints, Biography, Dictionaries. ; Christian saints, Great Britain, Biography, Dictionaries. ; Christian saints, Ireland, Biography, Dictionaries. ; Saints chrétiens, Biographies, Dictionnaires anglais. ; Saints chrétiens, Grande-Bretagne, Biographies, Dictionnaires anglais. ; Saints chrétiens, Irlande, Biographies, Dictionnaires anglais.
    Pages: xxv, 547 p.
    Edition: 4th ed
    ISBN: 0-585-11034-4
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  • 10
    Unknown
    New York : Oxford University Press
    Religion in America series  
    Keywords: Evangelicalism, History. ; Religion and science, History.
    Notes: The history of science and religion : some evangelical dimensions / John Hedley Brooke -- The Puritan thesis revisited / John Morgan -- Christianity and early modern science : the Foster thesis reconsidered / Edward B. Davis -- Science, theology, and society : from Cotton Mather to William Jennings Bryan / Mark A. Noll -- Science and evangelical theology in Britain from Wesley to Orr / David W. Bebbington -- Science, natural theology, and evangelicalism in early nineteenth-century Scotland : Thomas Chalmers and the Evidence controversy / Jonathan R. Topham -- Scriptural geology in America / Rodney L. Stiling -- Situating evangelical responses to evolution / David N. Livingstone -- Telling tales : evangelicals and the Darwin legend / James Moore -- Creating creationism : meanings and uses since the age of Agassiz / Ronald L. Numbers -- A sign for an unbelieving age : evangelicals and the search for Noah's ark / Larry Eskridge -- "The science of duty" : moral philosophy and the epistemology of science in nineteenth-century America / Allen C. Guelzo -- Toward a Christian social science in Canada, 1890-1930 / Michael Gauvreau and Nancy Christie -- Evangelicals, Biblical scholarship, and the politics of the modern American academy / D.G. Hart -- The meaning of science for Christians : a new dialogue on Olympus / George Marsden
    Pages: vi, 351 p.
    ISBN: 0-585-18275-2
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  • 11
    Keywords: Europe, Intellectual life, 18th century. ; Europe, Intellectual life, 19th century. ; Europe, Vie intellectuelle, 18e siècle. ; Europe, Vie intellectuelle, 19e siècle. ; Enlightenment. ; Information resources, Europe, History, 18th century. ; Information resources, Europe, History, 19th century. ; Learning and scholarship, Europe, History, 18th century. ; Learning and scholarship, Europe, History, 19th century. ; Savoir et érudition, Europe, Histoire, 18e siècle. ; Savoir et érudition, Europe, Histoire, 19e siècle. ; Siècle des lumières. ; Sources d'information, Europe, Histoire, 18e siècle. ; Sources d'information, Europe, Histoire, 19e siècle.
    Pages: viii, 246 p.
    ISBN: 0-19-518040-2
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  • 12
    Unknown
    Oxford [England] ; New York : Oxford University Press
    American classical studies  
    Keywords: Greece, History, To 146 B.C. ; Grèce, Histoire, Jusqu'à 146 av. J.-C. ; Rome, Histoire. ; Rome, History. ; Civilisation ancienne. ; Civilization, Classical.
    Pages: xi, 151 p.
    ISBN: 0-19-518490-4
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  • 13
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Police, Europe, Histoire. ; Police, Europe, History. ; Police, Europe, History, 19th century. ; Police, France, Histoire. ; Police, France, History.
    Pages: x, 288 p.
    ISBN: 0-585-48633-6
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  • 14
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Angleterre, Mœurs et coutumes, 17e siècle. ; Angleterre, Mœurs et coutumes, 18e siècle. ; Angleterre, Mœurs et coutumes, 19e siècle. ; England, Social life and customs, 17th century. ; England, Social life and customs, 17th century. ; England, Social life and customs, 18th century. ; England, Social life and customs, 19th century. ; Anglais dans la littérature. ; Anglais, Histoire. ; English literature, History and criticism. ; Littérature anglaise, Histoire et critique. ; National characteristics, English, in literature. ; National characteristics, English, History.
    Notes: Energy -- Candour -- Decency -- Taciturnity -- Reserve -- Eccentricity -- Manners and character
    Pages: x, 389 p.
    ISBN: 0-585-48625-5
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  • 15
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Central America, Politics and government. ; Political violence, Central America, History. ; State-sponsored terrorism, Central America, History.
    Notes: Part 1 : 1821-1939. Historical dimensions of public violence in Latin America -- Binding hatreds : public violence, state, and nation in Central American history -- Guatemala : organizing for war -- El Salvador : a democracy of violence -- Honduras : caudillos in search of an army -- Nicaragua : a new army finds its caudillo -- Costa Rica : caudillos in search of a state -- Part 2 : 1940-1960. Transformations -- Defining collaboration : the United States and Central America -- Guatemala : "Showcase of Latin America" -- El Salvador : distrustful collaborator -- Honduras : remaking an "armed rabble" -- Nicaragua : "Ready to receive orders from Uncle Sam" -- Costa Rica : an army renamed -- Conclusions -- Statistical appendix -- Notes
    Pages: x, 336 p.
    ISBN: 0-19-518573-0
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  • 16
    Unknown
    New York : Oxford University Press
    Philosophy of mind series  
    Keywords: Consciousness. ; Dualism. ; Mind and body. ; Philosophy of mind.
    Pages: xvii, 414 p.
    ISBN: 0-585-35313-1
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  • 17
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Electronic books ; Vision disorders ; Visual perception
    Pages: ix, 135 p.
    ISBN: 1-423-70567-X
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  • 18
    Unknown
    New York : Oxford University Press
    Keywords: United States, History, Civil War, 1861-1865, Causes. ; United States, Race relations. ; United States, Social conditions, To 1865. ; Antislavery movements, United States, History, 19th century. ; Riots, United States, History, 19th century. ; Slavery, Government policy, United States. ; Violence, United States, History, 19th century.
    Pages: xx, 372 p.
    ISBN: 0-19-530397-0
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  • 19
    Unknown
    New York, N.Y : Oxford University Press
    Keywords: Dissenters, Religious, England, History, 19th century. ; Dissenters, Religious, England, History, 20th century. ; Dissidents (Religion), Angleterre, Histoire, 19e siècle. ; Dissidents (Religion), Angleterre, Histoire, 20e siècle. ; Theology, Study and teaching, England, History, 19th century. ; Theology, Study and teaching, England, History, 20th century. ; Théologie, Étude et enseignement, Angleterre, Histoire, 19e siècle. ; Théologie, Étude et enseignement, Angleterre, Histoire, 20e siècle.
    Pages: 248 p.
    ISBN: 0-585-16245-X
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  • 20
    Keywords: Great Britain, Civilization, 19th century. ; United States, Civilization, British influences. ; United States, Civilization, 20th century. ; Dickens, Charles,, 1812-1870, Appreciation, United States. ; Criticism, United States, History, 20th century. ; English literature, Appreciation, United States. ; English literature, 19th century, History and criticism, Theory, etc. ; Literature and science, Great Britain. ; Literature and science, United States. ; Postmodernism (Literature), United States. ; Romanticism, Great Britain.
    Pages: x, 270 p.
    ISBN: 0-19-518078-X
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  • 21
    Unknown
    New York : Oxford University Press
    Keywords: Bible., N.T., John. ; Bible., N.T., John, Commentaries.
    Pages: xiii, 625 p.
    Edition: Pbk. rpt. ed., 1997
    ISBN: 0-585-27829-6
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  • 22
    Unknown
    New York, N.Y : Oxford University Press
    Philosophy of mind series  
    Keywords: Ethics, Book reviews. ; Mind and body, Book reviews. ; Philosophy of mind, Book reviews.
    Pages: viii, 264 p.
    ISBN: 0-585-16169-0
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  • 23
    Unknown
    New York : Oxford University Press
    Keywords: Apologetics. ; Christianity, Philosophy. ; Faith and reason, Christianity.
    Pages: xx, 508 p.
    ISBN: 0-585-35267-4
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  • 24
    Keywords: Information society. ; Société informatisée.
    Pages: xxiii, 516 p.
    ISBN: 0-585-35755-2
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  • 25
    Unknown
    Oxford [England] ; New York, N.Y. [USA] : Oxford University Press
    Rutgers series on self and social identity  
    Keywords: Conflict management. ; Ethnic relations. ; Gestion des conflits. ; Group identity. ; Identité collective. ; Relations interethniques.
    Notes: Introduction : social identity and intergroup conflict / Lee Jussim, Richard D. Ashmore, and David Wilder / Ingroup identification and intergroup conflict : when does ingroup love become outgroup hate? / Marilynn B. Brewer -- Ethnic identity, national identity, and intergroup conflict : the significance of personal experiences / Thomas Hylland Eriksen -- The meaning of american national identity : patterns of ethnic conflict and consensus / Jack Citrin, Cara Wong, and Brian Duff -- Communal and national identity in a multiethnic state : a comparison of three perspectives / Jim Sidanius and John R. Petrocik -- Social and role identities and political violence : identity as a window on violence in northern ireland / Robert W. White -- Individual and group identities in genocide and mass killing / Ervin Staub -- The role of national identity in conflict resolution : experiences from Israeli-Palestinian problem-solving workshops / Herbert C. Kelman -- Conclusion : toward a social identity framework for intergroup conflict / Richard D. Ashmore, Lee Jussim, David Wilder, and Jessica Heppen
    Pages: xii, 270 p.
    ISBN: 0-19-530241-9
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  • 26
    Unknown
    New York : Oxford University Press
    Keywords: Ethnopsychology. ; Personality and culture.
    Notes: Culture and psychology at a crossroad : historical perspective and theoretical analysis / John Adamopoulos and Walter J. Lonner -- Individualism and collectivism : past, present, and future / Harry C. Tirandis -- Culture, science, and indigenous psychologies : an integrated analysis / Uichol Kim -- The evolution of cross-cultural research methods / Fons van de Vijver -- Culture, context, and development / Harry W. Gardiner -- Cognition across cultures / R.C. Mishra -- Everyday cognition : where culture, psychology, and education come together / Analúcia D. Schliemann and David W. Carraher -- Culture and moral development / Joan G. Miller -- Culture and emotion / David Matsumoto -- Gender and culture / Deborah L. Best and John E. Williams -- Culture and control orientations / Susumu Yamaguchi -- Culture and human inference : perspectives from three traditions / Kaiping Peng, Daniel R. Ames, and Eric D. Knowles -- Abnormal psychology and culture / Junko Tanaka-Matsumi -- Clinical psychology and culture / Jayne Lee and Stanley Sue -- Polishing the jade : a modest proposal for improving the study of social psychology across cultures / Michael Harris Bond and James T. Tedeschi -- Culture and social cognition : toward a social psychology of cultural dynamics / Yoshihisa Kashima -- Cross-cultural studies of social influence / Peter B. Smith -- Social justice from a cultural perspective / Kwok Leung and Walter G. Stephan -- The A, B, Cs of acculturation / Colleen Ward
    Pages: xvi, 458 p.
    ISBN: 0-19-530227-3
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  • 27
    Unknown
    Oxford ; New York : Oxford University Press
    Series in affective science  
    Keywords: Emotions (Philosophy)
    Notes: Emotions, physiology, and intentionality.Primitive emotions /John Deigh --Emotion : biological fact or social construction /Jenefer Robinson --Embodied emotions /Jesse Prinz --Emotion, appraisal, and cognition.Emotions : what I know, what I'd like to think I know, and what I'd like to think /Ronald de Sousa --Emotions, thoughts, and feelings : emotions as engagements with the world /Robert C. Solomon --Emotions and feelings.Emotion, feeling, and knowledge of the world /Peter Goldie --Subjectivity and emotion /Cheshire Calhoun --Emotions and rationality.Emotions, rationality, and mind/body /Patricia Greenspan --Some considerations about intellectual desire and emotions /Michael Stocker --Emotions, action, and freedom.Emotion and action /Jon Elster --Emotions and freedom /Jerome Neu --Emotion and value.Emotions as judgments of value and importance /Martha Nussbaum --Feelings that matter /Annette Baier --Perturbations of desire : emotions disarming morality in the "Great song" of The Mahabharata /Purushottama Bilimoria --On theories of emotion.Is emotion a natural kind? /Paul E. Griffiths --Emotion as a subtle mental mode /Aaron Ben-Zeev --Enough already with "Theories of emotions" /Amelie Oksenberg Rorty.
    Pages: x, 297 p.
    ISBN: 0-19-530334-2
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  • 28
    Unknown
    Oxford ; New York : Oxford University Press
    Oxford series in cognitive development  
    Keywords: Cognition in infants. ; Cognition, physiology, Infant. ; Concepts in infants. ; Thinking, physiology, Infant.
    Notes: How to build a baby : prologue -- Piaget's sensorimotor infant -- Kinds of representation : seeing and thinking -- Perceptual meaning analysis and image-schemas : the infant as interpreter -- Some image-schemas and their functions -- Some differences between percepts and concepts : the case of the basic level -- Some preverbal concepts -- Conceptual categories as induction machines -- Continuity in the conceptual system : acquisition, breakdown, and reorganization -- Recall of the past -- Language acquisition -- Consciousness and conclusions
    Pages: xiii, 359 p.
    ISBN: 0-19-530396-2
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  • 29
    Unknown
    New York : Oxford University Press
    Keywords: Color (Philosophy)
    Pages: xv, 228 p.
    ISBN: 0-585-36474-5
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  • 30
    Keywords: Denver (Colo.), History, 20th century. ; Middlebury (Vt. : Town), History, 20th century. ; Smyrna (Rutherford County, Tenn.), History, 20th century. ; Cities and towns, United States, Growth, History, 20th century, Case studies. ; Interstate Highway System, History, 20th century. ; Roads, Government policy, United States, History, 20th century. ; Transportation, Automotive, United States, History, 20th century.
    Notes: Highway federalism -- Denver meets the automobile -- The decentralization of post-World War II Denver -- Automobiles and a small town -- Bridges, bypasses, and boulevards -- AutoCity : Smyrna, Tennessee
    Pages: xiv, 297 p.
    ISBN: 0-19-530264-8
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  • 31
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: United States, History, 1783-1815. ; United States, History, Colonial period, ca. 1600-1775. ; United States, History, Revolution, 1775-1783.
    Notes: Preface -- 1754-1763 : Join, or die -- 1763-1766 : Loss of respect and affection -- 1766-1770 : To crush the spirit of the colonies -- 1770-1774 : Cause of Boston now is the cause of America -- 1775-1776 : To die freemen rather than to live slaves -- 1776-1777 : Leap into the dark -- 1778-1782 : This wilderness of darkness and dangers -- 1783-1787 : Present paroxysm of our affairs -- 1787-1789 : So much unanimity and good will -- 1790-1793 : Prosperous at home, respectable abroad -- 1793-1796 : Colossus to the Antirepublican party -- 1797-1799 : Game where principles are the stake -- 1799-1801 : Gigg is up -- 1801 : Age of revolution and reformation
    Pages: xv, 558 p.
    ISBN: 0-19-518418-1
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  • 32
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Amish Country (Pa.) ; Lancaster County (Pa.), Rural conditions. ; Rural development, Pennsylvania, Lancaster County.
    Notes: Introduction: a fertile soil -- Cultivating the garden : the invention of Lancaster County -- Pride and progress : education, literacy, and the little red schoolhouse -- Dutch country : the Amish and tourism -- Domain of abundance : food and farming -- Landscape of progress : urbanization and planning -- Preserving the garden : development and farm preservation -- Epilogue: the harvest -- Appendix : Farms and population of Lancaster County, 1900-2000
    Pages: x, 258 p.
    ISBN: 0-19-518029-1
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  • 33
    Keywords: Consolidation and merger of corporations. ; Human capital. ; Organizational effectiveness.
    Pages: xi, 193 p.
    ISBN: 0-19-518406-8
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  • 34
    Unknown
    New York : Oxford University Press
    Keywords: Philosophy and science. ; Thought experiments.
    Pages: xii, 318 p.
    Edition: [Pbk. reprint 1998]
    ISBN: 0-585-16074-0
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  • 35
    Unknown
    Oxford ; New York : Oxford University Press
    Very short introductions  
    Keywords: Postmodernism.
    Pages: 142 p.
    ISBN: 0-585-48631-X
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  • 36
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Industrial relations. ; Organizational behavior. ; Organizational sociology.
    Pages: x, 294 p.
    ISBN: 0-585-36603-9
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  • 37
    Unknown
    New York : Oxford University Press
    Keywords: Holocaust, Jewish (1939-1945), Influence. ; Holocaust, Jewish (1939-1945), Psychological aspects. ; Holocaust, Jewish (1939-1945), Social aspects. ; Social sciences, Philosophy.
    Notes: The psychology of bystanders, perpetrators, and heroic helpers / Ervin Staub -- What is a "social-psychological" account of perpetrator behavior? The person versus the situation in Goldhagen's Hitler's willing executioners / Leonard S. Newman -- Authoritarianism and the Holocaust: some cognitive and affective implications / Peter Suedfeld and Mark Schaller -- Perpetrator behavior as destructive obedience: an evaluation of Stanley Milgram's perspective, the most influential social-psychological approach to the Holocaust / Thomas Blass -- Sacrificial lambs dressed in wolves' clothing: envious prejudice, ideology, and the scapegoating of Jews / Peter Glick -- Group processes and the Holocaust / R. Scott Tindale ... [et al.] -- Examining the implications of cultural frames on social movements and group action / Daphna Oyserman and Armand Lauffer -- Population and predators: preconditions for the Holocaust from a control-theoretical perspective / Dieter Frey and Helmut Rez -- The zoomorphism of human collective violence / R.B. Zajonc -- The Holocaust and the four roots of evil / Roy F. Baumeister -- Instigators of genocide: examining Hitler from a social-psychological perspective / David R. Mandel -- Perpetrators with a clear conscience: lying self-deception and belief change / Ralph Erber -- Explaining the Holocaust: does social psychology exonerate the perpetrators? / Arthur G. Miller, Amy M. Buddie, and Jeffrey Kretschmar -- Epilogue: Social psychologists confront the Holocaust / Leonard S. Newman and Ralph Erber
    Pages: xi, 360 p.
    ISBN: 0-19-518618-4
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  • 38
    Unknown
    Oxford [England] ; New York : Oxford University Press
    Keywords: United States, Civilization, Philosophy. ; United States, Politics and government, Philosophy. ; National characteristics, American. ; Social values, United States.
    Notes: Introduction: A dream country -- Dream of the good life (I) : the Puritan enterprise -- Dream charter : The declaration of independence -- Dream of the good life (II) : upward mobility -- King of America : the dream of equality -- Detached houses : the dream of home ownership -- Dream of the good life (III) : the coast -- Conclusion: Extending the dream
    Pages: x, 214 p.
    ISBN: 0-19-530398-9
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  • 39
    Unknown
    New York : Oxford University Press
    Oxford readings in feminism  
    Keywords: Feminist theory. ; Women, History.
    Notes: Does a sex have a history? /Denise Riley --The dialects of Black womanhood /Bonnie Thornton Dill --Theorizing woman:Funu, Guojia, Jiating (Chinese women, Chinese state, Chinese family) /Tani Barlow --'Women's history' in transition: the European case /Natalie Zemon Davis --The traffic in women: notes on the 'political economy' of sex /Gayle Rubin --Gender: a useful category of historical analysis /Joan Wallach Scott --African-American women's history and the metalanguge of race /Evelyn Brooks Higginbotham --Carnal knowledge.
    Pages: ix, 611 p.
    ISBN: 0-585-15703-0
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  • 40
    Unknown
    New York : Oxford University Press
    Keywords: United States, Church history, Congresses. ; Christianity, United States, Congresses.
    Pages: ix, 502 p.
    ISBN: 0-585-30487-4
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  • 41
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: United States, Foreign relations, Philosophy. ; United States, Foreign relations, 2001- ; Globalization, Political aspects. ; National characteristics, American.
    Pages: xiv, 288 p.
    Edition: [Pbk. ed.]
    ISBN: 0-19-518433-5
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  • 42
    Unknown
    Oxford : Oxford University Press
    Oxford readings in feminism  
    Keywords: Feminist theory. ; Science, Philosophy. ; Science, Social aspects. ; Women in science.
    Pages: vii, 289 p.
    ISBN: 0-585-12065-X
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  • 43
    Keywords: English literature, 18th century. ; Erotic literature, English. ; Libertinism, Literary collections.
    Notes: British libertine literature before Fanny Hill (1749) -- 1: The school of Venus (1680) -- 2: The pleasure of a single life (1701), The fifteen comforts of Cuckoldom (1706), and the fifteen plagues of a maiden-head (1707) -- 3: Gonosologium Novum (1709) -- 4: Venus in the cloister (1725) -- 5: A dialogue between a married lady and a maid (1740) -- 6: A new description of merryland (1741) -- 7: The female husband (1746)
    Pages: xxxiii, 332 p.
    ISBN: 0-19-518577-3
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  • 44
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Capital social (Sociologie) ; Civil society. ; Democracy. ; Démocratie. ; Social capital (Sociology) ; Société civile.
    Notes: Introduction /Robert D. Putnam and Kristin A. Goss --Great Britain: the role of government and the distribution of social capital /Peter A. Hall --United States: bridging the privileged and the marginalized? /Robert Wuthnow --United States: from membership to advocacy /Theda Skocpol --France: old and new civic and social ties in France /Jean-Pierre Worms --Decline of social capital?: the German case /Claus Offe and Susanne Fuchs --From civil war to civil society: social capital in Spain from the 1930s to the 1990s /Victor Pérez-Díaz --Sweden: social capital in the social democratic state /Bo Rothstein --Australia: making the lucky country /Eva Cox --Broadening the basis of social capital in Japan /Takashi Inoguchi --Conclusion /Robert D. Putnam.
    Pages: 516 p.
    ISBN: 0-19-518460-2
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  • 45
    Unknown
    Oxford : Oxford University Press
    Keywords: Philosophie, Encyclopédies. ; Philosophy, Encyclopedias.
    Pages: xviii, 1009 p.
    ISBN: 0-585-18263-9
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  • 46
    Unknown
    New York, N.Y : Oxford University Press
    Keywords: Arab-Israeli conflict, Religious aspects. ; Arab-Israeli conflict, 1993-, Peace. ; Religion and politics, Middle East.
    Pages: viii, 269 p.
    ISBN: 0-19-518512-9
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  • 47
    Keywords: France, Race relations, History, 18th century. ; Blacks, Legal status, laws, etc., France, History, 18th century. ; Political culture, France, History, 18th century. ; Racism, France, History, 18th century.
    Pages: x, 210 p.
    ISBN: 0-585-32788-2
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  • 48
    Unknown
    New York : Oxford University Press
    Keywords: Etiquette, United States, History.
    Notes: Part I -- Hierarchy: manners in a vertical social order, 1620-1740.Manners for gentlemenManners over minorsManners maketh menPart II --Revolution: an opening of possibilities, 1740-1820.Middle class risingYouth risingWomen risingPart III -- Resolution: manners for democrats, 1820-1860.Manners for the middle classManners for adultsLadies first?
    Pages: x, 310 p.
    ISBN: 0-19-530339-3
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  • 49
    Unknown
    New York : Oxford University Press
    Keywords: Judaism, Dictionaries.
    Pages: xviii, 764 p.
    ISBN: 0-585-38345-6
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  • 50
    Unknown
    Oxford ; New York : Oxford University Press
    Studies in the history of sexuality  
    Keywords: Venice (Italy), Social conditions, To 1797 ; Electronic books ; Marriage, History, Italy, Venice ; Renaissance, Italy, Venice
    Pages: xi, 221 p.
    ISBN: 0-19-518018-6
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  • 51
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Great Britain, Relations, Ireland. ; Ireland, In literature. ; Ireland, Relations, Great Britain. ; Joyce, James,, 1882-1941., Ulysses. ; Joyce, James,, 1882-1941, Aesthetics. ; Joyce, James,, 1882-1941, Political and social views. ; Literature and history, Ireland, History, 20th century. ; Politics and literature, Ireland, History, 20th century.
    Pages: xii, 306 p.
    ISBN: 0-585-48623-9
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  • 52
    Unknown
    New York : Oxford University Press
    Oxford paperback reference  
    Keywords: Philosophie, Dictionnaires anglais. ; Philosophy, Dictionaries.
    Pages: ix, 418 p.
    ISBN: 0-585-11072-7
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  • 53
    Unknown
    New York : Oxford University Press
    Keywords: Wesley, Susanna Annesley,, 1669-1742. ; Wesley, Susanna Annesley,, 1670-1742. ; Anglicans, England, Biography.
    Pages: xiv, 504 p.
    ISBN: 0-585-24572-X
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  • 54
    Unknown
    New York : Oxford University Press
    Keywords: Crime in literature. ; Criminal liability in literature. ; Criminals in literature. ; English fiction, 19th century, History and criticism. ; Law and literature, History, 19th century. ; Legal stories, English, History and criticism. ; Responsibility in literature.
    Notes: Organizing crime : conduct and character in Oliver Twist : prologue to George Eliot's crimes -- "To fix our minds on that consequence" : minding consequences in Adam Bede and Felix Holt -- Middlemarch, Daniel Deronda, and the crime in mind -- James Fitzjames Stephen and the responsibilities of narrative -- Modern responsibilities
    Pages: viii, 275 p.
    ISBN: 0-19-518524-2
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  • 55
    Unknown
    Oxford : Oxford University Press
    Keywords: Ireland, Defenses, History, 20th century. ; Ireland, Foreign relations, 1922- ; Ireland, Military policy, History, 20th century. ; Ireland, Politics and government, 1922- ; National security, Ireland, History, 20th century.
    Pages: 382 p.
    ISBN: 0-585-48615-8
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  • 56
    Unknown
    New York : Oxford University Press
    Keywords: United States, Ethnic relations, History, 19th century. ; United States, Race relations, History, 19th century. ; American fiction, 19th century, History and criticism. ; Caricatures and cartoons, United States, History, 19th century. ; Ethnicity in literature. ; Race in literature. ; Realism in literature. ; Stereotype (Psychology) in literature.
    Notes: Introduction: the age of caricature, the age of realism -- William Dean Howells and the touch of exaggeration which typifies -- "I want a real coon": Twain and ethnic caricature -- A Jamesian art to be cultivated -- Edith Wharton's flamboyant copy -- The "curious realism" of Charles Chesnutt
    Pages: viii, 196 p.
    ISBN: 0-19-518578-1
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  • 57
    Unknown
    New York : Oxford University Press
    Keywords: Eliot, T. S., (Thomas Stearns),, 1888-1965, Views on war. ; Pound, Ezra,, 1885-1972, Views on war. ; Woolf, Virginia,, 1882-1941, Views on war. ; American poetry, 20th century, History and criticism. ; Americans, Great Britain, History, 20th century. ; Modernism (Literature), Great Britain. ; Modernism (Literature), United States. ; World War, 1914-1918, Great Britain, Literature and the war.
    Pages: xiii, 395 p.
    ISBN: 0-19-518055-0
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  • 58
    Unknown
    Oxford : Oxford University Press
    Keywords: Consciousness. ; Neuropsychology.
    Pages: 272 p.
    ISBN: 0-585-24486-3
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  • 59
    Unknown
    Oxford ; New York : Oxford University Press
    Keywords: Mouvements sociaux. ; Social movements.
    Notes: pt. I. Introduction. Opportunities and identities: bridge-building in the study of social movements / David S. Meyer -- pt. II. States and policies. State repression and democracy protest in three southeast Asian countries / Vincent Boudreau -- Mobilization on the South African gold mines / T. Dunbar Moodie -- Multiple meditations: the state and the women's movements in India / Manisha Desai -- The contradictions of gay ethnicity: forging identity in Vermont / Mary Bernstein -- Creating social change: lessons from the civil rights movement / Kenneth T. Andrews -- pt. III. Organization and strategies. The "meso" in social movement research / Suzanne Staggenborg -- Strategizing and the sense of context: reflections on the first two weeks of the Liverpool docks lockout, September-October 1995 / Colin Barker and Michael Lavalette -- Factions and the continuity of political challengers / Mildred A. Schwartz -- More than one feminism: organizational structure and the construction of collective identity / Jo Reger -- The development of individual identity and consciousness among movements of the left and right / Rebecca E. Klatch -- pt. IV. Collective identities, discourse, and culture. Toward a more dialogic analysis of social movement culture / Marc W. Steinberg -- Materialist feminist discourse analysis and social movement research: mapping the changing context for "community control" / Nancy A. Naples -- From the "beloved community" to "family values": religious language, symbolic repertoires, and democratic culture / Rhys H. Williams -- External political change, collective identities, and participation in social movement organizations / Belinda Robnett -- pt. V. Conclusion. Meaning and structure in social movements / Nancy Whittier
    Pages: xvi, 366 p.
    ISBN: 0-19-530277-X
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  • 60
    Publication Date: 2020-12-18
    Description: The 2009 Arctic sudden stratospheric warming (SSW) was the most intense event of this kind ever observed. Unique ground-based measurements of middle atmospheric profiles for temperature, O3, CO, and N2O obtained at Thule (76.5°N, 68.8°W), Greenland, in the period January – early March are used to show the evolution of the 2009 SSW in the region of its maximum intensity. The first sign of the SSW was detected at θ~2000 K on January 19, when a rapid decrease in CO mixing ratio took place. The first evidence of a temperature increase was observed at the same level on 22 January, the earliest date on which lidar measurements reached above ~50 km. The warming propagated from the upper to the lower stratosphere in 7 days and the record maximum temperature of 289 K was observed between 1300 and 1500 K potential temperature on 22 January. A strong vortex splitting was associated with the SSW. Stratospheric backward trajectories indicate that airmasses arriving to Thule during the warming peak underwent a rapid compression and an intense adiabatic warming of up to 50 K. The rapid advection of air from the extra-tropics was also occasionally observed to produce elevated values of N2O mixing ratio. Starting from mid-February the temperature profile and the N2O mixing ratio returned to the pre-warming values in the mid and upper stratosphere, indicating the reformation of the vortex at these levels. In late winter, vertical descent from starting altitudes of ~60 km is estimated from CO profiles to be 0.25±0.05 km/day.
    Description: Published
    Description: D24315
    Description: 1.7. Osservazioni di alta e media atmosfera
    Description: 1.10. TTC - Telerilevamento
    Description: JCR Journal
    Description: open
    Keywords: sudden stratospheric warming ; winter polar stratosphere ; temperature ; O3 ; N2O ; CO ; 01. Atmosphere::01.01. Atmosphere::01.01.01. Composition and Structure ; 01. Atmosphere::01.01. Atmosphere::01.01.04. Processes and Dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 61
    Publication Date: 2021-05-25
    Description: The largest events of the 1997 Umbria-Marche sesimic sequence were the two September 26 earthquakes of Mw=5.7 (00:33 GMT) and Mw=6.0 (09:40 GMT), which caused severe damage and ground cracks in a wide area around the epicenters. We created an ERS-SAR differenrtial interferogram, where nine fringes are visible in and around the Colfiorito basin, corresponding to 25 cm of coseismic surface dispalacements. GPS data show a maximum horizontal displacement...
    Description: Published
    Description: 883-886
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: restricted
    Keywords: Colfiorito, SAR, GPS ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 62
    Publication Date: 2021-06-09
    Description: The 11–13 January 2011 eruptive episode at Etna volcano occurred after several months of increasing ash emissions from the summit craters, and was heralded by increasing SO2 output, which peaked at ∼5000 megagrams/day several hours before the start of the eruptive activity. The eruptive episode began with a phase of Strombolian activity from a pit crater on the eastern flank of the SE‐Crater. Explosions became more intense with time and eventually became transitional between Strombolian and fountaining, before moving into a lava fountaining phase. Fountaining was accompanied by lava output from the lower rim of the pit crater. Emplacement of the resulting lava flow field, as well as associated lava fountain‐ and Strombolian‐phases, was tracked using a remote sensing network comprising both thermal and visible cameras. Thermal surveys completed once the eruptive episode had ended also allowed us to reconstruct the emplacement of the lava flow field. Using a high temporal resolution geostationary satellite data we were also able to construct a detailed record of the heat flux during the fountain‐fed flow phase and its subsequent cooling. The dense rock volume of erupted lava obtained from the satellite data was 1.2 × 106 m3; this was emplaced over a period of about 6 h to give a mean output rate of ∼55 m3 s−1. By comparison, geologic data allowed us to estimate dense rock volumes of ∼0.85 × 106 m3 for the pyroclastics erupted during the lava fountain phase, and 0.84–1.7 × 106 m3 for lavas erupted during the effusive phase, resulting in a total erupted dense rock volume of 1.7–2.5 × 106 m3 and a mean output rate of 78–117 m3 s−1. The sequence of events and quantitative results presented here shed light on the shallow feeding system of the volcano.
    Description: Published
    Description: B11207
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: JCR Journal
    Description: partially_open
    Keywords: Etna ; lava fountains ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 63
    Publication Date: 2021-06-09
    Description: We present a new method that uses cooling curves, apparent in high temporal resolution thermal data acquired by geostationary sensors, to estimate erupted volumes and mean output rates during short lava fountaining events. The 15 minute temporal resolution of the data allows phases of waxing and peak activity to be identified during short (150-to- 810 minute-long) events. Cooling curves, which decay over 8-to-21 hour-periods following the fountaining event, can also be identified. Application to 19 fountaining events recorded at Etna by MSG’s SEVIRI sensor between 10 January 2011 and 9 January 2012, yields a total erupted dense rock lava volume of 28 106 m3, with a maximum intensity of 227 m3 s 1 being obtained for the 12 August 2011 event. The timeaveraged output over the year was 0.9 m3 s 1, this being the same as the rate that has characterized Etna’s effusive activity for the last 40 years.
    Description: We are grateful to EUMETSAT for SEVIRI data.
    Description: Published
    Description: L06305
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: JCR Journal
    Description: restricted
    Keywords: satellite ; lava fountains ; Etna ; erupted volume ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 64
    Publication Date: 2020-11-20
    Description: Siwi caldera, in the Vanuatu arc (Tanna island), is a rare volcanic complex where both persistent eruptive activity (Yasur volcano)and rapid block resurgence (Yenkahe horst) can be investigated simultaneously during a post-caldera stage. Here we provide new constraints on the feeding system of this volcanic complex, based on a detailed study of the petrology, geochemistry and volatile content of Yasur^Siwi bulk-rocks and melt inclusions, combined with measurements of the chemical composition and mass fluxes of Yasur volcanic gases. Major and trace element analyses of Yasur^ Siwi volcanic rocks, together with literature data for other volcanic centers, point to a single magmatic series and possibly long-lived feeding of Tanna volcanism by a homogeneous arc basalt. Olivine-hosted melt inclusions show that the parental basaltic magma, which produces basaltic-trachyandesites to trachyandesites by 50^70% crystal fractionation, is moderately enriched in volatiles ( 1wt % H2O, 0·1wt % S and 0·055 wt % Cl). The basaltic-trachyandesite magma, emplaced at between 4^5 km depth and the surface, preserves a high temperature (1107 158C) and constant H2O content ( 1wt %) until very shallow depths, where it degasses extensively and crystallizes. These conditions, maintained over the past 1400 years of Yasur activity, require early water loss during basalt differentiation, prevalent open-system degassing, and a relatively high heat flow ( 109W). Yasur volcano releases on average 13·4 103 tons d 1 of H2O and 680 tons d 1 of SO2, but moderate amounts of CO2 (840 tons d 1), HCl (165 tons d 1), and HF (23 tons d 1). Combined with melt inclusion data, these gas outputs constrain a bulk magma degassing rate of 5 107 m3 a 1, about a half of which is due to degassing of the basaltic-trachyandesite. We compute that 25 km3 of this magma have degassed without erupting and have accumulated beneath Siwi caldera over the past 1000 years, which is one order of magnitude larger than the accumulated volume uplift of the Yenkahe resurgent block. Hence, basalt supply and gradual storage of unerupted degassed basaltictrachyandesite could easily account for (or contribute to) the Yenkahe block resurgence.
    Description: Published
    Description: 1077-1105
    Description: 2.3. TTC - Laboratori di chimica e fisica delle rocce
    Description: 2.4. TTC - Laboratori di geochimica dei fluidi
    Description: JCR Journal
    Description: restricted
    Keywords: Vanuatu arc ; Yasur ; gas fluxes ; volatiles ; melt inclusions ; resurgent block ; volcano thermal budget ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases ; 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 65
    Publication Date: 2020-12-03
    Description: A model is presented of the growth rate of turbulently generated irregularities in the electron concentration of northern polar cap plasma patches. The turbulence is generated by the short‐term fluctuations in the electric field imposed on the polar cap ionosphere by electric field mapping from the magnetosphere. The model uses an ionospheric imaging algorithm to specify the state of the ionosphere throughout. The growth rates are used to estimate mean amplitudes for the irregularities, and these mean amplitudes are compared with observations of the scintillation indices S4 and s by calculating the linear correlation coefficients between them. The scintillation data are recorded by GPS L1 band receivers stationed at high northern latitudes. A total of 13 days are analyzed, covering four separate magnetic storm periods. These results are compared with those from a similar model of the gradient drift instability (GDI) growth rate. Overall, the results show better correlation between the GDI process and the scintillation indices than for the turbulence process and the scintillation indices. Two storms, however, show approximately equally good correlations for both processes, indicating that there might be times when the turbulence process of irregularity formation on plasma patches may be the controlling one.
    Description: Published
    Description: A04310
    Description: 1.7. Osservazioni di alta e media atmosfera
    Description: 3.9. Fisica della magnetosfera, ionosfera e meteorologia spaziale
    Description: JCR Journal
    Description: restricted
    Keywords: ionospheric irregularities ; scintillations ; Gradient Drift Instability ; 01. Atmosphere::01.02. Ionosphere::01.02.04. Plasma Physics ; 01. Atmosphere::01.02. Ionosphere::01.02.07. Scintillations ; 05. General::05.01. Computational geophysics::05.01.03. Inverse methods
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 66
    Publication Date: 2020-12-15
    Description: Long continuous seismic data recorded at five broadband seismic stations during 2006 at Campi Flegrei caldera have been analyzed. Introducing a coarse-grained method, we evaluate the time evolution of amplitude and polarization of the seismic noise in the frequency band common to long-period events. The series are modulated on tidal time scales: the root-mean square is basically dominated by solar contribution, while the azimuth of the polarization vector shows lunar diurnal and semidiurnal constituents. In addition, we find that in the frequency band common to long-period events the azimuths are polarized toward a specific area, suggesting that these persistent oscillations can be induced by the activity of the shallow geothermal reservoir.
    Description: Published
    Description: 2628–2637
    Description: JCR Journal
    Description: restricted
    Keywords: sustained hydrothermal tremor ; Campi Flegrei Caldera ; polarization analysis ; tidal modulation ; 04. Solid Earth::04.06. Seismology::04.06.08. Volcano seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 67
    Publication Date: 2020-12-18
    Description: Along the Italian peninsula adjoin two crustal domains, peri-Tyrrhenian and Adriatic, whose boundary is not univocal in central Italy. In this area, we attempt to map the extent of the Moho in the two terrains from variations of the travel time difference between the direct P wave and the P-to-S wave converted at the crust-mantle boundary, called PsMoho. We use teleseismic receiver functions computed at 38 broad-band stations in this and previous studies, and assigned each of the recording sites to the Adriatic or peri-Tyrrhenian terrains based on station location, geologic and geophysical data and interpretation, and consistency of delays with the regional Moho trend. The results of the present study show that the PsMoho arrival time varies from 2.3 to 4.1 s in the peri-Tyrrhenian domain and from 3.7 to 5.5 s in the Adriatic domain. As expected, the lowest time difference is observed along the Tyrrhenian coastline and the largest values are observed in the axial zone of the Apennine chain. A key new result of this study is a sharp E-W boundary in the Adriatic domain that separates a deeper Moho north of about 42 N latitude from a shallower Moho to the south. This feature is constrained for a length of about 40 km by the observations available in this study. The E-W boundary requires a revision of prior mapping of the Moho in central Italy and supports previous hypotheses of lithosphere segmentation.
    Description: Published
    Description: 3929–3938
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: open
    Keywords: teleseismic receiver functions ; Moho discontinuity ; central Italy ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 68
    Publication Date: 2021-02-17
    Description: Pelagic marine carbonates provide important records of past environmental change. We carried out detailed low-temperature magnetic measurements on biogenic magnetite-bearing sediments from the Southern Ocean (Ocean Drilling Program (ODP) Holes 738B, 738C, 689D, and 690C) and on samples containing whole magnetotactic bacteria cells. We document a range of low-temperature magnetic properties, including reversible humped low-temperature cycling (LTC) curves. Different degrees of magnetite oxidation are considered to be responsible for the observed variable shapes of LTC curves. A dipole spring mechanism in magnetosome chains is introduced to explain reversible LTC curves. This dipole spring mechanism is proposed to result from the uniaxial anisotropy that originates from the chain arrangement of biogenic magnetite, similar to published results for uniaxial stable single domain (SD) particles. The dipole spring mechanism reversibly restores the remanence during warming in LTC measurements. This supports a previous idea that remanence of magnetosome chains is completely reversible during LTC experiments. We suggest that this magnetic fingerprint is a diagnostic indicator for intact magnetosome chains, although the presence of isolated uniaxial stable SD particles and magnetically interacting particles can complicate this test. Magnetic measurements through the Eocene section of ODP Hole 738B reveal an interval with distinct magnetic properties that we interpret to originate from less oxidized biogenic magnetite and enrichment of a biogenic “hard” component. Co-occurrence of these two magnetic fingerprints during the late Eocene in the Southern Ocean indicates less oxic conditions, probably due to increased oceanic primary productivity and organic carbon burial.
    Description: Published
    Description: 6049–6065
    Description: 2.2. Laboratorio di paleomagnetismo
    Description: JCR Journal
    Description: restricted
    Keywords: pelagic carbonates ; biogenic magnetite ; rock magnetism ; environmental magnetism ; ODP ; 04. Solid Earth::04.04. Geology::04.04.08. Sediments: dating, processes, transport ; 04. Solid Earth::04.05. Geomagnetism::04.05.09. Environmental magnetism
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 69
    Publication Date: 2021-06-16
    Description: We perform a retrospective forecast experiment on the 1992 Landers sequence comparing the predictive power of commonly used model frameworks for short‐term earthquake forecasting. We compare a modified short‐term earthquake probability (STEP) model, six realizations of the epidemic‐type aftershock sequence (ETAS) model, and four models that combine Coulomb stress changes calculations and rate‐and‐state theory to generate seismicity rates (CRS models). We perform the experiment under the premise of a controlled environment with predefined conditions for the testing region and data for all modelers. We evaluate the forecasts with likelihood tests to analyze spatial consistency and the total amount of forecasted events versus observed data. We find that (1) 9 of the 11 models perform superior compared to a simple reference model, (2) ETAS models forecast the spatial evolution of seismicity best and perform best in the entire test suite, (3) the modified STEP model matches best the total number of events, (4) CRS models can only compete with empirical statistical models by introducing stochasticity in these models considering uncertainties in the finite‐fault source model, and (5) resolving Coulomb stress changes on 3‐D optimally oriented planes is more adequate for forecasting purposes than using the specified receiver fault concept. We conclude that statistical models perform generally better than the tested physics‐based models and parameter value updates using the occurrence of aftershocks generally improve the predictive power in particular for the purely statistical models in space and time.
    Description: Published
    Description: B05305
    Description: 4.2. TTC - Modelli per la stima della pericolosità sismica a scala nazionale
    Description: JCR Journal
    Description: reserved
    Keywords: earthquake forecast ; 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability
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  • 70
    Publication Date: 2021-07-14
    Description: We obtained areal variations of crustal thickness, magnetic intensity, and degree of melting of the sub- axial upwelling mantle at Thetis and Nereus Deeps, the two northernmost axial segments of initial oceanic crustal accretion in the Red Sea, where Arabia is separating from Africa. The initial emplacement of oceanic crust occurred at South Thetis and Central Nereus roughly $2.2 and $2 Ma, respectively, and is taking place today in the northern Thetis and southern Nereus tips. Basaltic glasses major and trace element com- position suggests a rift-to-drift transition marked by magmatic activity with typical MORB signature, with no contamination by continental lithosphere, but with slight differences in mantle source composition and/or potential temperature between Thetis and Nereus. Eruption rate, spreading rate, magnetic intensity, crustal thickness and degree of mantle melting were highest at both Thetis and Nereus in the very initial phases of oceanic crust accretion, immediately after continental breakup, probably due to fast mantle upwelling enhanced by an initially strong horizontal thermal gradient. This is consistent with a rift model where the lower continental lithosphere has been replaced by upwelling asthenosphere before continental rupturing, implying depth-dependent extension due to decoupling between the upper and lower lithosphere with man- tle-lithosphere-necking breakup before crustal-necking breakup. Independent along-axis centers of upwell- ing form at the rifting stage just before oceanic crust accretion, with buoyancy-driven convection within a hot, low viscosity asthenosphere. Each initial axial cell taps a different asthenospheric source and serves as nucleus for axial propagation of oceanic accretion, resulting in linear segments of spreading.
    Description: Published
    Description: Q08009
    Description: 2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attive
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: partially_open
    Keywords: Red Sea ; Gravity and Magnetics ; magma genesis and partial melting ; mantle processes ; transition from continental to oceanic rift ; 04. Solid Earth::04.03. Geodesy::04.03.04. Gravity anomalies ; 04. Solid Earth::04.04. Geology::04.04.04. Marine geology ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies ; 04. Solid Earth::04.07. Tectonophysics::04.07.04. Plate boundaries, motion, and tectonics
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  • 71
    Publication Date: 2020-10-26
    Description: This paper presents a velocity model of the Italian (central Mediterranean) lithosphere in unprecedented detail. The model is derived by inverting a set of 166,000 Pg and Pn seismic wave arrival times, restricted to the highest-quality data available. The tomographic images reveal the geometry of the subduction-collision system between the European, Adriatic, and Tyrrhenian plates, over a larger volume and with finer resolution than previous studies. We find two arcs of low-Vp anomalies running along the Alps and the Apennines, describing the collision zones of underthrusting continental lithospheres. Our results suggest that in the Apennines, a significant portion of the crust has been subducted below the mountain belt. From the velocity model we can also infer thermal softening of the crustal wedge above the subducting Adriatic plate. In the Tyrrhenian back-arc region, strong and extensive low-Vp anomalies depict upwelling asthenospheric material. The tomographic images also allow us to trace the boundary between the Adriatic and the Tyrrhenian plates at Moho depth, revealing some tears in the Adriatic-Ionian subducting lithosphere. The complex lithospheric structure described by this study is the result of a long evolution; the heterogeneities of continental margins, lithospheric underthrusting, and plate indentation have led to subduction variations, slab tears, and asthenospheric upwelling at the present day. The high-resolution model provided here greatly improves our understanding of the central Mediterranean’s structural puzzle. The results of this study can also shed light on the evolution of other regions experiencing both oceanic and continental subduction.
    Description: Published
    Description: B05305
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: open
    Keywords: lithosphere ; crust ; italy ; plates ; subduction ; europe ; seismicity ; adria ; tyrrhenian ; boundary ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 72
    Publication Date: 2020-10-26
    Description: In complex tectonics regions, seismological, geophysical, and geodynamic modeling require accurate definition of the Moho geometry. Various active and passive seismic experiments performed in the central Mediterranean region revealed local information on the Moho depth, in some cases used to produce interpolated maps. In this paper, we present a new and original map of the 3-D Moho geometry obtained by integrating selected high-quality controlled source seismic and teleseismic receiver function data. The very small cell size makes the retrieved model suitable for detailed regional studies, crustal corrections in teleseismic tomography, advanced 3-D ray tracing in regional earthquake location, and local earthquake tomography. Our results show the geometry of three different Moho interfaces: the European, Adriatic-Ionian, and Tyrrhenian. The three distinct Moho are fashioned following the Alpine and Apennines subduction, collision, and back-arc spreading and show medium- to high-frequency topographic undulations reflecting the complexity of the geodynamic evolution.
    Description: Published
    Description: Q09006
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: reserved
    Keywords: Italy; controlled source seismology; crust; receiver function ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 73
    Publication Date: 2020-11-25
    Description: We present crustal deformation results from a geodetic experiment (Retreating-Trench, Extension, and Accretion Tectonics (RETREAT)) focused on the northern Apennines orogen in Italy. The experiment centers on 33 benchmarks measured with GPS annually or more frequently between 2003 and 2007, supplemented by data from an additional older set of 6 campaign observations from stations in northern Croatia, and 187 continuous GPS stations within and around northern Italy. In an attempt to achieve the best possible estimates for rates and their uncertainties, we estimate and filter common mode signals and noise components using the continuous stations and apply these corrections to the entire data set, including the more temporally limited campaign time series. The filtered coordinate time series data are used to estimate site velocity. We also estimate spatially variable seasonal site motions for stations with sufficient data. The RMS scatter of residual time series are generally near 1 mm and 4 mm, horizontal and vertical, respectively, for continuous and most of the new campaign stations, but scatter is slightly higher for some of the older campaign data. Velocity uncertainties are below 1 mm/yr for all but one of the stations. Maximum rates of site motion within the orogen exceed 3 mm/yr (directed NE) relative to stable Eurasia. This motion is accommodated by extension within the southwestern and central portions of the orogen, and shortening across the foreland thrust belt to the northeast of the range. The data set is consistent with contemporaneous extension and shortening at nearly equal rates. The northern Apennines block moves northeast faster than the Northern Adria microplate. Convergence between the Northern Apennines block and the Northern Adria microplate is accommodated across a narrow zone that coincides with the northeastern Apennines range front. Extension occurs directly above an intact vertically dipping slab inferred by previous authors from seismic tomography. The observed crustal deformation is consistent with a buried dislocation model for crustal faulting, but associations between crustal motion and seismically imaged mantle structure may also provide new insights on mantle dynamics.
    Description: Published
    Description: B04408
    Description: 3.2. Tettonica attiva
    Description: JCR Journal
    Description: restricted
    Keywords: GPS, northern Apennines, retreat, Italy ; 04. Solid Earth::04.03. Geodesy::04.03.01. Crustal deformations
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 74
    Publication Date: 2021-03-24
    Description: On 24 August 2013 a sudden gas eruption from the ground occurred in the Tiber river delta, nearby Rome's international airport of Fiumicino. We assessed that this gas, analogous to other minor vents in the area, is dominantly composed of deep, partially mantle-derived CO2, as in the geothermal gas of the surrounding Roman Comagmatic Province. Increased amounts of thermogenic CH4 are likely sourced from Meso-Cenozoic petroleum systems, overlying the deep magmatic fluids. We hypothesize that the intersection of NE-SW and N-S fault systems, which at regional scale controls the location of the Roman volcanic edifices, favors gas uprising through the impermeable Pliocene and deltaic Holocene covers. Pressurized gas may temporarily be stored below these covers or within shallower sandy, permeable layers. The eruption, regardless the triggering cause—natural or man-made, reveals the potential hazard of gas-charged sediments in the delta, even at distances far from the volcanic edifices.
    Description: Published
    Description: 5632–5636
    Description: 2.2. Laboratorio di paleomagnetismo
    Description: JCR Journal
    Description: restricted
    Keywords: geothermal gas ; deep CO2 ; Tiber river delta ; thermogenic CH4 ; 04. Solid Earth::04.04. Geology::04.04.09. Structural geology ; 04. Solid Earth::04.04. Geology::04.04.12. Fluid Geochemistry
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 75
    Publication Date: 2021-06-16
    Description: Giant earthquake (moment magnitude Mw 〉=8.5) forecasts for subduction zones have been empirically related to both tectonic stresses and geometrical irregularities along the subduction interface. Both of these controls have been suggested as able to tune the ability of rupture to propagate laterally and, in turn, exert an important control on giant earthquake generation. Here we test these hypotheses, and their combined influence, by compiling a dataset of trench fill thickness (a proxy for smoothing of subducting plate relief by sediment input into the subduction channel) and upper plate strain (a proxy for the tectonic stresses applied to the subduction interface) for 44 segments of the global subduction network. We statistically compare relationships between upper plate strain, trench sediment thickness and maximal earthquake magnitude. We find that the combination of both large trench fill (≥1 km) and neutral upper plate strain explains spatial patterns of giant earthquake occurrence to a statistically significant degree. In fact, the concert of these two factors is more highly correlated with giant earthquake occurrence than either factor on its own. Less frequent giant earthquakes of lower magnitude are also possible at subduction zones with thinner trench fill and compressive upper plate strain. Extensional upper plate strain and trench fill 〈 0.5 km appear to be unfavorable conditions, as giant earthquakes have not been observed in these geodynamical environments during the last 111 years.
    Description: Published
    Description: L05304
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: open
    Keywords: subduction zones ; trench sediment thickness ; Upper plate strain ; megathrust earthquakes ; 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 76
    Publication Date: 2021-06-07
    Description: A major explosion occurred on 30 June 1908 in the Tunguska region of Siberia, causing the destruction of over 2,000 square km of taiga; pressure and seismic waves detected as far as 1,000 km away; bright luminescence in the night skies of Northern Europe and Central Asia; and other unusual phenomena. This “Tunguska Event” is probably related to the impact with the Earth of a cosmic body that exploded about 5-10 km above ground, releasing in the atmosphere 10-15 Mton of energy. Fragments of the impacting body have never been found, and its nature (comet or asteroid) is still a matter of debate. We report here results from a magnetic and seismic-reflection study of a small (~500 m diameter) lake, Lake Cheko, located about 8 km NW of the inferred explosion epicenter, that was proposed to be an impact crater left by a fragment of the Tunguska Cosmic Body. Seismic-reflection and magnetic data revealed a P-wave velocity/magnetic anomaly close to the lake center, about 10 m below the lake floor; this anomaly is compatible with the presence of a buried stony object and supports the impact crater origin for Lake Cheko.
    Description: Published
    Description: Q05008
    Description: 3.4. Geomagnetismo
    Description: JCR Journal
    Description: restricted
    Keywords: Tunguska ; Lake Cheko ; Central Siberia ; Impact cratering ; magnetometry ; seismic reflection ; 04. Solid Earth::04.02. Exploration geophysics::04.02.06. Seismic methods ; 04. Solid Earth::04.04. Geology::04.04.04. Marine geology ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 77
    Publication Date: 2020-11-26
    Description: Integrating seismic reflection profiles, well logs, and field evidence with GPS velocities from a network installed in Calabria, southern Italy, we have discovered that the Crotone basin is gliding toward the Ionian Sea over a buried viscous salt layer. This previously unknown megaslide (~1000 km2) is characterized by an onshore updip extensional domain and an offshore downdip toe-thrust rim. The GPS velocity from the Crotone station is significantly higher than velocities from other stations in the region and differently oriented. We ascribe at least part of the anomalous GPS velocity from the Crotone station to the seaward motion of the megaslide or part of it. From the GPS velocity and other evidence we obtain a viscosity of the buried salt layer within the known range of rock salt viscosity in nature.
    Description: Published
    Description: 4220-4224
    Description: 3.2. Tettonica attiva
    Description: JCR Journal
    Description: restricted
    Keywords: seismic reflection profiles ; Calabria ; salt ; landslide ; GPS ; 04. Solid Earth::04.04. Geology::04.04.04. Marine geology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 78
    Publication Date: 2020-11-26
    Description: So far, the role of appendicularians in the biogeochemical cycling of organic matter has been largely overlooked. Appendicularians represent only a fraction of total mesozooplankton biomass, however these ubiquitous zooplankters have very high filtration and growth rates compared to copepods, and produce numerous fecal pellets and filtering houses contributing to export production by aggregating small marine particles. To study their quantitative impact on biogeochemical flux, we have included this group in the biogeochemical flux model, using a recently developed ecophysiological model. One-dimensional annual simulations of the pelagic ecosystem including appendicularians were conducted with realistic surface forcing for the year 2000, using data from the DyFAMed open ocean station. The appendicularian grazing impact was generally low, but appendicularians increased detritus production by 8% and export production by 55% compared to a simulation without appendicularians. Therefore, current biogeochemical models lacking appendicularians probably under, or misestimate the detritus and export production by omitting the pathway from small-sized plankton to fast sinking detritus. Detritus production and export rates are 60% lower than the estimates from mesotrophic sites, showing that appendicularians’ role is lower but still significant in oligotrophic environments. The simulated annual export at 200 m exceeds sediment trap values by 44%, suggesting an intense degradation during the sinking of appendicularian detritus, supported by observations made at other sites. Thus, degradation and grazing of appendicularian detritus need better quantification if we are to accurately assess the role of appendicularia in export flux.
    Description: EU-FP6 project SESAME GOCE-036949
    Description: Published
    Description: 855-872
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: JCR Journal
    Description: reserved
    Keywords: BFM ; zooplankton ; 03. Hydrosphere::03.01. General::03.01.01. Analytical and numerical modeling ; 03. Hydrosphere::03.01. General::03.01.07. Physical and biogeochemical interactions ; 03. Hydrosphere::03.04. Chemical and biological::03.04.01. Biogeochemical cycles ; 03. Hydrosphere::03.04. Chemical and biological::03.04.04. Ecosystems
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 79
    Publication Date: 2021-06-25
    Description: In contrast to the seismic and infrasonic energy released from quiescent and erupting volcanoes, which have long been known to manifest episodes of highly periodic behavior, the spectral properties of volcanic gas flux time series remain poorly constrained, due to a previous lack of hightemporal resolution gas-sensing techniques. Here we report on SO2 flux measurements, performed on Mount Etna with a novel UV imaging technique of unprecedented sampling frequency (0.5 Hz), which reveal, for the first time, a rapid periodic structure in degassing from this target. These gas flux modulations have considerable temporal variability in their characteristics and involve two period bands: 40–250 and 500–1200 s. A notable correlation between gas flux fluctuations in the latter band and contemporaneous seismic root-mean-square values suggests that this degassing behavior may be generated by periodic bursting of rising gas bubble trains at the magma-air interface.
    Description: Published
    Description: 4818–4822
    Description: 1.2. TTC - Sorveglianza geochimica delle aree vulcaniche attive
    Description: JCR Journal
    Description: restricted
    Keywords: SO2 flux ; UV camera ; 04. Solid Earth::04.08. Volcanology::04.08.01. Gases
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 80
    Publication Date: 2019-07-16
    Description: A sediment core from the West Spitsbergen continental margin was studied to reconstruct climate and paleoceanographic variability during the last ~9 ka in the eastern Fram Strait (FS). Our multiproxy evidence suggests that the establishment of the modern oceanographic configuration in the eastern FS occurred stepwise, in response to the postglacial sea-level rise and the related onset of modern sea-ice production on the shallow Siberian shelves. The late Early and Mid-Holocene interval (9 to 5 ka) was generally characterized by relatively unstable conditions. High abundance of the subpolar planktic foraminifer species Turborotalita quinqueloba implies strong intensity of Atlantic Water (AW) inflow with high productivity and/or high AW temperatures, resulting in a strong heat flux to the Arctic. A series of short-lived cooling events (8.2, 6.9, and 6.1 ka) occurred superimposed on the warm late Early to Mid-Holocene conditions. Our proxy data imply that simultaneous to the complete postglacial flooding of Arctic shallow shelves and the initiation of modern sea-ice production, strong advance of polar waters initiated modern oceanographic conditions in the eastern FS at ~5.2 ka. The Late Holocene was marked by the dominance of the polar planktic foraminifer species Neogloboquadrina pachyderma, a significant expansion of sea ice/icebergs, and strong stratification of the water column. Although planktic foraminiferal assemblages as well as sea subsurface temperatures suggest a return of slightly strengthened advection of subsurface AW after 3 ka, a relatively stable cold-water layer prevailed at the sea surface, and the study site was probably located within the seasonally fluctuating marginal ice zone during the Neoglacial period.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 81
    Publication Date: 2016-02-02
    Description: Based on swath bathymetry, sediment echosounding, seismic profiling and sediment coring we present results of the RV „Polarstern“ cruise ARK-XIII/3 (2008) and RV "Araon" cruise ARA02B (2012), which investigated an area between the Chukchi Borderland and the East Siberian Sea between 165°W and 170°E. At the southern end of the Mendeleev Ridge, close to the Chukchi and East Siberian shelves, evidence is found for the existence of Pleistocene ice sheets/ice shelves, which have grounded several times in up to 1200 m present water depth. We found mega-scale glacial lineations associated with deposition of glaciogenic wedges and debris-flow deposits indicative of sub-glacial erosion and deposition close to the former grounding lines. Glacially lineated areas are associated with large-scale erosion, accentuated by a conspicuous truncation of pre-glacial strata typically capped with mostly thin layers of diamicton draped by pelagic sediments. Our tentative age model suggests that the youngest and shallowest grounding event of an ice sheet should be within Marine Isotope Stage (MIS) 3. The oldest and deepest event predates MIS 6. According to our results, ice sheets of more than one km in thickness continued onto, and likely centered over, the East Siberian Shelf. They were possibly linked to previously suggested ice sheets on the Chukchi Borderland and the New Siberian Islands. We propose that the ice sheets extended northward as thick ice shelves, which grounded on the Mendeleev Ridge to an area up to 78°N within MIS 5 and/or earlier. These results have important implication for the former distribution of thick ice masses in the Arctic Ocean during the Pleistocene. They are relevant for global sea-level variations, albedo, ocean-atmosphere heat exchange, freshwater export from the Arctic Ocean at glacial terminations and the formation of submarine permafrost. The existence of km-thick Pleistocene ice sheets in the western Arctic Ocean during glacial times predating that of the Last Glacial Maximum (LGM) also implies significantly different atmospheric circulation patterns, in particular availability and distribution of moisture during pre-LGM glaciations.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 82
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    Unknown
    American Geophysical Union
    In:  EPIC3AGU Fall Meeting, San Francisco, Calif., USA, 2012-12-03-2012-12-07American Geophysical Union
    Publication Date: 2019-07-17
    Description: Impacts of climate change have been most pronounced in Polar Regions. Most alarming is the accelerating decline in Arctic sea ice cover. The changing ice cover has implications for sea ice-associated ecosystems because they rely largely on carbon produced by ice-associated algae. In order to fully understand these ecosystems and to be able to accurately represent them in models there is a need to understand both the physical and biological components of the system. The study presented here is part of AWI’s research group Iceflux which takes an interdisciplinary approach to quantify the trophic carbon flux within sea ice associated ecosystems in the Arctic and Antarctic. Here we will present preliminary results from the ARK XXVII/3 Polarstern Cruise. Biological samples were acquired from the under-ice surface waters using the Surface and Under-Ice Trawl (SUIT) and from within the sea ice by extracting ice cores. To characterize the biophysical properties of the sea ice and under-ice environments several sensors were mounted on the SUIT including: spectral radiometer, ADCP, CTD, fluorometer, altimeter (distance to ice bottom) and video camera. Observations include ice thickness, biological diversity, biomass, light transmission, under-ice water properties and chlorophyll a content (in- and under-ice). Preliminary results will provide a description of the local- to meso-scale spatial variability of biological abundance in and under the ice and the relationship with different sea ice characteristics. During the cruise testing of sensors and equipment will be conducted in order to prepare for the deployment of two Autonomous Bio-Physical Sea Ice Observatories (ABiPSO) stations in the Weddell Sea during the ANT XXIX/6 cruise June 2013. A description of the ABiPSO system and testing of the sensors will be presented highlighting the objectives, challenges and lessons learned.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 83
    facet.materialart.
    Unknown
    Oxford University Press
    In:  EPIC3Journal of Experimental Botany, Oxford University Press, ISSN: 0022-0957
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 84
    Publication Date: 2012-02-03
    Description: A high resolution P-wave image of Mt. Vesuvius edifice has been derived from simultaneous inversion of travel times and hypocentral parameters of local earthquakes, land based shots and small aperture array data. The results give detailsdownto300 – 500m.Therelocatedlocalseismicity appears to extend down to 5 km below the central crater, distributed in a major cluster, centered at 3 km below the central crater and in a minor group, with diffuse hypocenters inside the volcanic edifice. The two clusters are separated by an anomalously high Vp region at around 1 km depth. A zone with high Vp/Vs in the upper layers is interpreted as produced by the presence of intense fluid circulation. The highest energy quakes (up to M = 3.6) are located in the deeper cluster, in a high P-wave velocity zone. Our results favor an interpretation in terms of absence of shallow magma reservoirs.
    Description: Published
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: reserved
    Keywords: Velocity Tomography ; Mt. Vesuvius ; 04. Solid Earth::04.06. Seismology::04.06.07. Tomography and anisotropy
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 85
    Publication Date: 2012-02-03
    Description: Calabria represents an ideal site to analyze the topography of a subduction zone as it is located on top of a narrow active Wadati-Benioff zone and shows evidence of rapid uplift. We analyzed a pattern of surface deformation using elevation data with different filters and showed the existence of a long wavelength (〉100 km) relatively positive topographic signal at the slab edges. The elevation of MIS 5.5 stage marine terraces supports this pattern, although the record is incomplete and partly masked by the variable denudation rate. We performed structural analyses along the major active or recently reactivated normal faults showing that the extensional direction varies along the Calabrian Arc and laterally switches from arc-normal, within the active portion of the slab, to arc-oblique or even arc-parallel, along the northern and southern slab edges. This surface deformation pattern was compared with a recent high resolution P wave tomographic model showing that the high seismic velocity anomaly is continuous only within the active Wadati-Benioff zone, whereas the northern and southwestern sides are marked by low velocity anomalies, suggesting that large-scale topographic bulges, volcanism, and uplift could have been produced by mantle upwelling. We present numerical simulations to visualize the three-dimensional mantle circulation around a narrow retreating slab, ideally similar to the one presently subducting beneath Calabria. We emphasize that mantle upwelling and surface deformation are expected at the edges of the slab, where return flows may eventually drive decompression melting and the Mount Etna volcanism.
    Description: Published
    Description: TC1003
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: reserved
    Keywords: topography ; Calabrian Arc ; subduction ; tomography ; mantle flow ; uplift ; retreat ; anisotropy ; 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 86
    Publication Date: 2017-04-04
    Description: On 16 November 2006 a flank collapse affected the unstable eastern slope of the South-East Crater (SEC) of Mount Etna. The collapse occurred during one of the paroxysmal events with sustained strombolian activity that characterized the August–December 2006 eruption and was triggered by erosion of loose, hydrothermally altered material of the steep south-east sector of SEC from the outpour of lava. The collapse produced a debris avalanche that involved both lithic and juvenile material and resulted in a deposit emplaced on the eastern flank of the volcano up to 1.2 km away from the source. The total volume of the deposit was estimated to be in the order of 330,000–413,000 m3. The reconstruction of the collapse event was simulated using TITAN2D software designed to model granular avalanches and landslides. This approach can be used to estimate areas that may be affected by similar collapse events in the future. The area affected by the 16 November 2006 lateral collapse of SEC was a small portion of the Mount Etna summit area, but the fact that no one was killed or injured should be considered fortuitous. The summit and adjacent areas of the volcano, in fact, are usually visited by many tourists who are not prepared to face this type of danger. The 16 November 2006 collapse points to the need to be prepared for similar events through scientific investigation (analysis of flank instability, numerical simulation of flows) and development of specific civil protection plans.
    Description: Published
    Description: B02204
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: JCR Journal
    Description: reserved
    Keywords: Mount Etna ; flank instability ; volcaniclastic deposit ; granular flows ; numerical simulation ; volcanic hazard ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 87
    Publication Date: 2017-04-04
    Description: One hundred years ago (December 1908) a devastating tsunami associated with an earthquake struck the Straits of Messina area, causing many casualties. On the basis of seismic data and observed runups and arrival times, we suggest that the tsunami was likely generated by coseismic seafloor displacement coupled with a small submarine landslide triggered by the earthquake. Backwards ray-tracing using a depth-dependent velocity field, submarine slope analysis and inferences form the main drainage network allowed us to identify possible locations for the source of the submarine landslide. We then performed direct simulations of tsunamis generated by the earthquake and landslides and identified the tsunami source (earthquake plus landslide) that best fits observational data in a small volume submarine landslide (1–5 km3) located offshore Nizza, Sicily.
    Description: Published
    Description: L16304
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: 4.2. TTC - Modelli per la stima della pericolosità sismica a scala nazionale
    Description: 4.6. Oceanografia operativa per la valutazione dei rischi in aree marine
    Description: JCR Journal
    Description: reserved
    Keywords: earthquake ; landslide ; tsunami ; 03. Hydrosphere::03.01. General::03.01.99. General or miscellaneous ; 04. Solid Earth::04.06. Seismology::04.06.99. General or miscellaneous ; 05. General::05.01. Computational geophysics::05.01.03. Inverse methods
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 88
    Publication Date: 2017-04-04
    Description: We (re)analyzed the source of the 26 December 2004 Sumatra-Andaman earthquake and tsunami through a nonlinear joint inversion of an in-homogeneous dataset made up of tide-gages, satellite altimetry, and far-field GPS recordings. The purpose is two-fold: (1) the retrieval of the main kinematics rupture parameters (slip, rake, rupture velocity); (2) the inference of the rigidity of the source zone. We independently estimate the slip from tsunami data and the seismic moment from geodetic data, so to derive the rigidity. Our results confirm that the source of the 2004 Sumatra-Andaman earthquake has a complex geometry, constituted by three main slip patches, with slip peaking at ~30 meters in the Southern part of the source. The rake direction rotates counter-clockwise at North, according to the direction of convergence along the trench. The rupture velocity is higher in the deeper than in the shallower part of the source, consistently with the expected increase of rigidity with depth. It is also lower in the Northern part, consistently with known variations of the incoming plate properties and shear velocity. Our model features a rigidity (20-30 GPa), that is lower than PREM average for the seismogenic volume [Dziewonski and Anderson, 1981]. The source rigidity is one of the factors controlling the tsunamigenesis: for a given seismic moment, the lower the rigidity, the higher the induced seafloor displacement. The general consistence between our source model and previous studies supports the effectiveness of our approach to the joint inversion of geodetic and tsunami data for the rigidity estimation.
    Description: In press
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: open
    Keywords: Source process ; Sumatra ; Tsunami ; joint inversion ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
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  • 89
    Publication Date: 2017-04-04
    Description: Using a case study from the island of Elba, Italy, we seek to test the hypothesis that 7 the presence of minerals with low frictional strengths can explain prolonged slip on 8 low-angle normal faults. The central core of the Zuccale low-angle normal fault 9 contains a distinctive fault rock zonation that developed during progressive exhumation. 10 Most fault rock components preserve microstructural evidence for having accommodated 11 deformation entirely, or partly, by frictional mechanisms. One millimeter thick sample 12 powders of all the major fault rock components were deformed in a triaxial deformation 13 apparatus under water-saturated conditions, at room temperature, and at constant effective 14 normal stresses of 25, 50, and 75 MPa. Pore fluid pressure was maintained at 50 MPa 15 throughout. Overall, the coefficient of friction (m) of the fault rocks varies between 16 0.25 and 0.8, emphasizing the marked strength heterogeneity that may exist within 17 natural fault zones. Also, m is strongly dependent on fault rock mineralogy and is 18 〈0.45 for fault rocks containing talc, chlorite, and kaolinite and 〉0.6 for fault rocks 19 dominated by quartz, dolomite, calcite, and amphibole. Localization of frictional slip 20 within talc-rich portions of the fault core can potentially explain movements along the 21 Zuccale fault over a wide range of depths within the upper crust, although the 22 mechanical importance of the talc-bearing fault rocks likely decreased following their 23 dismemberment into a series of poorly connected fault rock lenses. Additionally, slip 24 within clay-bearing fault gouges with m between 0.4 and 0.5 may have facilitated 25 movements in the uppermost (〈2 km) crust. For several other fault rock components, 26 m varies between 0.5 and 0.8, and mineralogical weakening alone is insufficient to 27 account for low-angle slip. In the latter fault rock components, other weakening 28 mechanisms such as the development of high fluid pressures, or dissolution-precipitation 29 creep, may have been particularly important in reducing fault strength.
    Description: In press
    Description: 3.3. Geodinamica e struttura dell'interno della Terra
    Description: JCR Journal
    Description: reserved
    Keywords: Friction ; Low-Angle Normal Faults ; Experiments ; Weakening ; 04. Solid Earth::04.04. Geology::04.04.06. Rheology, friction, and structure of fault zones
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 90
    Publication Date: 2017-04-04
    Description: In a recent work on the problem of sliding surfaces under the presence of frictional melt (applying in particular to earthquake fault dynamics), we derived from first principles an expression for the steady state friction compatible with experimental observations. Building on the expressions of heat and mass balance obtained in the above study for this particular case of Stefan problem (phase transition with a migrating boundary) we propose here an extension providing the full time-dependent solution (including the weakening transient after pervasive melting has started, the effect of eventual steps in velocity and the final decelerating phase). A system of coupled equations is derived and solved numerically. The resulting transient friction and wear evolution yield a satisfactory fit (1) with experiments performed under variable sliding velocities (0.9-2 m/s) and different normal stresses (0.5-20 MPa) for various rock types and (2) with estimates of slip weakening obtained from observations on ancient seismogenic faults that host pseudotachylite (solidified melt). The model allows to extrapolate the experimentally observed frictional behavior to large normal stresses representative of the seismogenic Earth crust (up to 200 MPa), high slip rates (up to 9 m/s) and cases where melt extrusion is negligible. Though weakening distance and peak stress vary widely, the net breakdown energy appears to be essentially independent of either slip velocity and normal stress. In addition, the response to earthquake-like slip can be simulated, showing a rapid friction recovery when slip rate drops. We discuss the properties of energy dissipation, transient duration, velocity weakening, restrengthening in the decelerating final slip phase and the implications for earthquake source dynamics.
    Description: S.N. and G.D.T. were supported by a European Research Council Starting Grant Project (acronym USEMS) and by a Progetti di Eccellenza Fondazione Cassa di Risparmio di Padova e Rovigo. We are grateful to Nick Beeler (and to an anonymous referee) for their constructive reviews and their help to improve the clarity of the manuscript.
    Description: Published
    Description: B10301
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: open
    Keywords: Friction ; Melt ; Earthquake dynamics ; fault mechanics ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 91
    Publication Date: 2017-04-04
    Description: The amount of energy radiated from an earthquake can be measured using recent methods based on earthquake coda signals and spectral ratios. Such methods are not altered by either site or directivity effects, with the advantage of a greatly improved accuracy. Several studies of earthquake sequences based on the above measurements showed evidence of a breakdown in self-similarity in the moment to energy relation. Radiated energy can be also used as a gauge to estimate the average dynamic stress drop on the fault. Here we compute the dynamic stress drop, infer the co-seismic friction and estimate the co-seismic heating resulting from the frictional work during events from different main shock-aftershock earthquake sequences. We relate the dynamic friction to the maximum temperature rise estimated on the faults for each earthquake. Our results are strongly indicative that a thermally triggered dynamic frictional weakening is present, responsible for the breakdown in self-similarity. These observations from seismic data are compatible with recent laboratory evidence of thermal weakening in rock friction under seismic slip-rates, associated to various physical processes such as melting, decarbonation or dehydration.
    Description: Kevin Mayeda was supported under Weston Geophysical subcontract No. GC19762NGD and AFRL contract No. FA8718-06-C-0024. Work by L. Malagnini was performed under the auspices of the Dipartimento della Protezione Civile, under contract S3 – INGV-DPC (2007-2009), project: “Valutazione rapida dei parametri e degli effetti dei forti terremoti in Italia e nel Mediterraneo”.
    Description: Published
    Description: B06319
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: open
    Keywords: earthquake radiation ; coda ; friction ; self-similarity ; dynamic weakening ; 04. Solid Earth::04.06. Seismology::04.06.03. Earthquake source and dynamics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 92
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    Unknown
    American Geophysical Union
    Publication Date: 2012-02-03
    Description: During the last ten years, fractal analysis of ultra-low-frequency (ULF) geomagnetic field components has been proposed as one of the most promising tools to highlight magnetic precursor signals possibly generated by the preparation processes of earthquakes. Several papers claim seismogenic changes in the fractal features of the geomagnetic field some months before earthquakes occur. The target of the present paper is to put forth a qualitative investigation on the fractal characteristics of ULF magnetic signatures that previous authors have claimed to be related without doubt to strong earthquakes. This analysis takes into account both the temporal evolution of the geomagnetic field fractal parameters reported in previous researches and the temporal evolution of global geomagnetic activity. Running averages of the geomagnetic indices ΣKp and Ap are plotted into the original figures from the previous publications. This simple analysis shows that the fractal features of the ULF geomagnetic field are closely related to the geomagnetic activity both before and after the earthquake occurs. The correlation between the geomagnetic field fractal parameters and geomagnetic activity is clearly shown over both long and short time scales. In light of this, the present paper shows that fractal behaviors of previously claimed seismogenic ULF magnetic signatures depend mainly on geomagnetic activity due to solar-terrestrial interaction. Therefore, previously reported association with the preparation process of the earthquake is dubious.
    Description: Published
    Description: A10236
    Description: 2.6. TTC - Laboratorio di gravimetria, magnetismo ed elettromagnetismo in aree attive
    Description: JCR Journal
    Description: restricted
    Keywords: Earthquake precursors ; Geomagnetic field ; ULF ; Fractal analysis ; SOC ; 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies ; 04. Solid Earth::04.05. Geomagnetism::04.05.05. Main geomagnetic field ; 04. Solid Earth::04.05. Geomagnetism::04.05.08. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 93
    Publication Date: 2012-02-03
    Description: The Radiation Explorer in the Far InfraRed-Prototype for Applications and Development (REFIR-PAD) spectroradiometer was operated from the Testa Grigia Italian-Alps station in March 2007 during the Earth Cooling by Water Vapour Radiation (ECOWAR) measurement campaign, obtaining downwelling radiance spectra in the 100–1100 cm−1 range, under clear-sky conditions and in the presence of cirrus clouds. The analysis of these measurements has proven that the instrument is capable of determining precipitable water vapor with a total uncertainty of 5–7% by using the far-infrared rotational band of water. The measurement is unaffected by the presence of cirri, whose optical depth can be instead retrieved as an additional parameter. Information on the vertical profiles of water vapor volume mixing ratio and temperature can also be retrieved for three altitude levels. The ability to measure the water vapor column with a simple, uncooled instrument, capable of operating continuously and with a time resolution of about 10 min, makes REFIR-PAD a very valuable instrument for meteorological and climatological studies for the characterization of the water vapor distribution.
    Description: Published
    Description: D02310
    Description: 1.7. Osservazioni di alta e media atmosfera
    Description: 1.10. TTC - Telerilevamento
    Description: JCR Journal
    Description: reserved
    Keywords: tropospheric water vapor ; IR spectroscopy ; REFIR-PAD ; ECOWAR ; 01. Atmosphere::01.01. Atmosphere::01.01.01. Composition and Structure ; 01. Atmosphere::01.01. Atmosphere::01.01.08. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 94
    Publication Date: 2012-02-03
    Description: Application of light detection and ranging (LIDAR) technology in volcanology has 7 developed rapidly over the past few years, being extremely useful for the generation 8 of high‐spatial‐resolution digital elevation models and for mapping eruption products. 9 However, LIDAR can also be used to yield detailed information about the dynamics of 10 lava movement, emplacement processes occuring across an active lava flow field, and the 11 volumes involved. Here we present the results of a multitemporal airborne LIDAR survey 12 flown to acquire data for an active flow field separated by time intervals ranging from 13 15 min to 25 h. Overflights were carried out over 2 d during the 2006 eruption of Mt. Etna, 14 Italy, coincident with lava emission from three ephemeral vent zones to feed lava flow in 15 six channels. In total 53 LIDAR images were collected, allowing us to track the volumetric 16 evolution of the entire flow field with temporal resolutions as low as ∼15 min and at a 17 spatial resolution of 〈1 m. This, together with accurate correction for systematic errors, 18 finely tuned DEM‐to‐DEM coregistration and an accurate residual error assessment, 19 permitted the quantification of the volumetric changes occuring across the flow field. We 20 record a characteristic flow emplacement mode, whereby flow front advance and channel 21 construction is fed by a series of volume pulses from the master vent. Volume pulses 22 have a characteristic morphology represented by a wave that moves down the channel 23 modifying existing channel‐levee constructs across the proximal‐medial zone and building 24 new ones in the distal zone. Our high‐resolution multitemporal LIDAR‐derived DEMs 25 allow calculation of the time‐averaged discharge rates associated with such a pulsed flow 26 emplacement regime, with errors under 1% for daily averaged values.
    Description: This work was partially funded by the Italian 930 Dipartimento della Protezione Civile in the frame of the 2007–2009 Agree- 931 ment with Istituto Nazionale di Geofisica e Vulcanologia–INGV. A.F. 932 benefited from the MIUR‐FIRB project “Piattaforma di ricerca multi‐disci- 933 plinare su terremoti e vulcani (AIRPLANE)” n. RBPR05B2ZJ. S.T. 934 benefited from the project FIRB “Sviluppo di nuove tecnologie per la prote- 935 zione e difesa del territorio dai rischi naturali (FUMO)” funded by the Italian 936 Ministero dell’Istruzione, dell’Università e della Ricerca.
    Description: Published
    Description: B11203
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 1.10. TTC - Telerilevamento
    Description: 3.6. Fisica del vulcanismo
    Description: JCR Journal
    Description: reserved
    Keywords: LIDAR ; lava flow ; Etna ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 95
    Publication Date: 2017-04-04
    Description: Accepted for publication in Journal of Geophysical Research. Copyright (2009) American Geophysical Union. Further reproduction or electronic distribution is not permitted.
    Description: We present the first detailed study of earthquake detection capabilities of the Italian National Seismic Network and of the completeness threshold of its earthquake catalog. The network in its present form started operating on 16 April 2005 and is a significant improvement over the previous networks. For our analysis, we employed the PMC method as introduced by Schorlemmer and Woessner (2008). This method does not estimate completeness from earthquakes samples as traditional methods, mostly based on the linearity of earthquake-size distributions. It derives detection capabilities for each station of the network and synthesizes them into maps of detection probabilities for earthquakes of a given magnitude. Thus, this method avoids the many assumptions about earthquake distributions that traditional methods make. The results show that the Italian National Seismic Network is complete at $M=2.9$ for the entire territory excluding the islands of Sardinia, Pantelleria, and Lampedusa. At the $M=2.5$ level, which is the reporting threshold level of the Italian Civil Protection, the network may miss events in southern parts of Apulia and the western part of Sicily. The stations are connected through many different telemetry links to the operational datacenter in Rome. Scenario computations show that no significant drop in completeness occurs if one of the three major links fail, indicating a well-balanced network setup.
    Description: In press
    Description: 1.1. TTC - Monitoraggio sismico del territorio nazionale
    Description: JCR Journal
    Description: open
    Keywords: Italian seismicity ; earthquake detection capability ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 96
    facet.materialart.
    Unknown
    American Geophysical Union
    Publication Date: 2017-04-04
    Description: An edited version of this paper was published by AGU. Copyright (2009) American Geophysical Union.
    Description: We describe the results of a prospective, real-time earthquake forecast experiment made during a seismic emergency. A $M_w$ 6.3 earthquake struck the city of L'Aquila, Italy on April 6, 2009, causing hundreds of deaths and vast damage. Immediately following this event, we began producing daily earthquake forecasts for the region, and we provided these forecasts to Civil Protection -- the agency responsible for managing the emergency. The forecasts are based on a stochastic model that combines the Gutenberg-Richter distribution of earthquake magnitudes and power-law decay in space and time of triggered earthquakes. The results from the first month following the L'Aquila earthquake exhibit a good fit between forecasts and observations, indicating that accurate earthquake forecasting is now a realistic goal. Our experience with this experiment demonstrates an urgent need for a connection between probabilistic forecasts and decision-making in order to establish -- before crises -- quantitative and transparent protocols for decision support.
    Description: Published
    Description: L21302
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: partially_open
    Keywords: earthquake forecast ; L'Aquila earthquake ; 04. Solid Earth::04.06. Seismology::04.06.02. Earthquake interactions and probability
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 97
    Publication Date: 2017-04-04
    Description: Assessment of the hazard from lava flow inundation at the active volcano of Mount Etna, Italy, was performed by calculating the probability of lava flow inundation at each position on the volcano. A probability distribution for the formation of new vents was calculated using geological and volcanological data from past eruptions. The simulated lava flows from these vents were emplaced using a maximum expected flow length derived from geological data on previous lava flows. Simulations were run using DOWNFLOW, a digital-elevation-model-based model designed to predict lava flow paths. Different eruptive scenarios were simulated by varying the elevation and probability distribution of eruptive points. Inundation maps show that the city of Catania and the coastal zone may only be impacted by flows erupted from low-altitude vents (〈1500 m elevation) and that flank eruptions at elevations 〉2000 m preferentially inundate the northeast and southern sectors of the volcano as well as the Valle del Bove. Eruptions occurring in the summit area (〉3000 m elevation) pose no threat to the local population. Discrepancies between the results of simple, hydrological models and those of the DOWNFLOW model show that hydrological approaches are inappropriate when dealing with Etnean lava flows. Because hydrological approaches are not designed to reproduce the full complexity of lava flow spreading, they underestimate the catchment basins when the fluid has a complex rheology.
    Description: Published
    Description: F01019
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: JCR Journal
    Description: reserved
    Keywords: volcanic hazard ; lava flow ; Mount Etna ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
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  • 98
    Publication Date: 2017-04-04
    Description: Forecasting the time, nature, and impact of future eruptions is difficult at volcanoes such as Mount Etna, in Italy, where eruptions occur from the summit and on the flanks, affecting areas distant from each other. Nonetheless, the identification and quantification of areas at risk from new eruptions are fundamental for mitigating potential human casualties and material damage. Here, we present new results from the application of a methodology to define flexible high‐resolution lava invasion susceptibility maps based on a reliable computational model for simulating lava flows at Etna and on a validation procedure for assessing the correctness of susceptibility mapping in the study area. Furthermore, specific scenarios can be extracted at any time from the simulation database, for land use and civil defense planning in the long term, to quantify, in real time, the impact of an imminent eruption, and to assess the efficiency of protective measures.
    Description: This work was sponsored by the Italian Ministry for Education, University and Research, FIRB project RBAU01RMZ4 “Lava flow simulations by Cellular Automata,” and by the National Civil Defense Department and INGV (National Institute of Geophysics and Volcanology), project V3_6/09 “V3_6 – Etna.”
    Description: Published
    Description: B04203
    Description: 1.5. TTC - Sorveglianza dell'attività eruttiva dei vulcani
    Description: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Description: 3.6. Fisica del vulcanismo
    Description: 4.3. TTC - Scenari di pericolosità vulcanica
    Description: 4.4. Scenari e mitigazione del rischio ambientale
    Description: JCR Journal
    Description: reserved
    Keywords: lava flows ; volcanic hazard ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk ; 05. General::05.01. Computational geophysics::05.01.02. Cellular automata, fuzzy logic, genetic alghoritms, neural networks ; 05. General::05.01. Computational geophysics::05.01.05. Algorithms and implementation ; 05. General::05.02. Data dissemination::05.02.99. General or miscellaneous ; 05. General::05.02. Data dissemination::05.02.03. Volcanic eruptions ; 05. General::05.08. Risk::05.08.99. General or miscellaneous ; 05. General::05.09. Miscellaneous::05.09.99. General or miscellaneous
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  • 99
    Publication Date: 2012-02-03
    Description: We study the 2003 Mw 8.1 Tokachi‐oki earthquake, a great interplate event that occurred along the southwestern Kuril Trench and generated a significant tsunami. To determine the earthquake slip distribution, we perform the first joint inversion of tsunami waveforms measured by tide gauges and of coseismic displacement measured both by GPS stations and three ocean bottom pressure gauges (PG) for this event. The resolution of the different data sets on the slip distribution is assessed by means of several checkerboard tests. Results show that tsunami data constrain the slip distribution offshore, whereas GPS data constrain the slip distribution in the onshore zone. The three PG data only coarsely constrain the offshore slip, indicating that denser networks should be installed close to subduction zones. Combining the three data sets significantly improves the inversion results. Joint inversion of the 2003 Tokachi‐oki earthquake data leads to maximum slip values (∼6 m) confined at depths greater than ∼25 km, between 30 and 80 km northwest of the hypocenter, with a patch of slip (3 m) in the deepest part of the source (∼50 km depth). Slip values are very low (≤1 m) updip from the hypocenter. Furthermore, the rupture does not extend on the plate interface off Akkeshi. As a significant back slip amount (∼4 m) has accumulated there since the last 1952 earthquake, this segment could rupture during the next large interplate event along the Kuril Trench.
    Description: Published
    Description: B11313
    Description: 3.1. Fisica dei terremoti
    Description: JCR Journal
    Description: open
    Keywords: tsunami ; coseismic displacement ; joint inversion ; 05. General::05.01. Computational geophysics::05.01.03. Inverse methods
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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  • 100
    Publication Date: 2012-02-03
    Description: A simple linear relation can be used to link time averaged discharge rate (TADR) and lava flow area (A). The relation applies to given insulation conditions, as described by the characteristic flow surface temperature (Te), and will vary from case-to-case depending on rheological and topographic influences on flow spreading. Most flows have insulation conditions that change through time, modifying the relationship between TADR and area as insulation conditions evolve. Using lidar data we can define TADR, the flow area that the discharge feeds and Te, allowing generation of a case-specific relation to convert satellite-data-derived flow areas to TADR. For Etna's 2006 lava flow field we obtain a relation whereby TADR = 5.6 × 10−6 A for well insulated conditions (Te = 100°C) and TADR = 1.5 × 10−4 A for poorly insulated conditions (Te = 600°C).
    Description: Published
    Description: L20308
    Description: 1.10. TTC - Telerilevamento
    Description: 3.5. Geologia e storia dei vulcani ed evoluzione dei magmi
    Description: 3.6. Fisica del vulcanismo
    Description: JCR Journal
    Description: reserved
    Keywords: lava flow ; discharge rate ; area ; surface temperature ; lidar ; Etna. ; 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 04. Solid Earth::04.08. Volcanology::04.08.08. Volcanic risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
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