Statistical Aspects Of Enso Events 1950 1997 And The El Nino Atlantic Intense Hurricane Activity Relationship
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Statistical Aspects Of Enso Events 1950 1997 And The El Nino Atlantic Intense Hurricane Activity Relationship
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Author : Robert M. Wilson
language : en
Publisher:
Release Date : 1998
Statistical Aspects Of Enso Events 1950 1997 And The El Nino Atlantic Intense Hurricane Activity Relationship written by Robert M. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Atlantic Ocean categories.
Statistical Aspects Of Enso Events 1950 1997 And The El Nino Atlantic Intense Hurricane Activity Relationship
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-11
Statistical Aspects Of Enso Events 1950 1997 And The El Nino Atlantic Intense Hurricane Activity Relationship written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-11 with categories.
On the basis of Trenberth's quantitative definition for marking the occurrence of an El Nino (or La Nina), one can precisely identify by month and year the starts and ends of some 15 El Nino and 10 La Nina events during the interval of 1950-1997, an interval corresponding to the most reliable for cataloging intense hurricane activity in the Atlantic basin (i.e., those of category 3-5 on the Saffir-Simpson hurricane scale). The main purpose of this investigation is primarily two-fold: First, the statistical aspects of these identified extremes and the intervening periods between them (called "interludes") are examined and, second, the statistics of the seasonal frequency of intense hurricanes in comparison to the extremes and interludes are determined. This study clearly demonstrates that of the last 48 hurricane seasons, 20 (42 percent) can be described as being "El Nino-related" (i.e., an El Nino was in progress during all, or part, of the yearly hurricane season--June-November), 13 (27 percent) as "La Nina-related" (i.e., a La Nina was in progress during all, or part, of the yearly hurricane season), and 15 (31 percent) as "interlude-related" (i.e., neither an El Nino nor a La Nina was in progress during any portion of the yearly hurricane season). Combining the latter two subgroups into a single grouping called "non-El Nino-related" seasons, one finds that they have had a mean frequency of intense hurricanes measuring 2.8 events per season, while the El Nino-related seasons have had a mean frequency of intense hurricanes measuring 1.3 events per season, where the observed difference in the means is inferred to be statistically important at the 99.8-percent level of confidence. Therefore, as previously shown more than a decade ago using a different data set, there undeniably exists an El Nino-Atlantic hurricane activity relationship, one which also extends to the class of intense hurricanes. During the interval of ...
On The Bimodality Of Enso Cycle Extremes
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Author : Robert M. Wilson
language : en
Publisher:
Release Date : 2000
On The Bimodality Of Enso Cycle Extremes written by Robert M. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Climatic changes categories.
On the basis of sea surface temperature in the El Niño 3.4 region (5° N.-5° S., 120°-170° W.) during the interval of 1950-1997, Kevin Trenberth previously has identified some 16 El Niño and 10 La Niña, these 26 events representing the extremes of the quasi-periodic El Niño-Southern Oscillation (ENSO) cycle. Runs testing show that the duration, recurrence period, and sequencing of these extremes vary randomly. Hence, the decade of the 1990's especially for El Niño, is not significantly different from that of previous decadal epochs, at least, on the basis of the frequency of onsets of ENSO extremes. Additionally, the distribution of duration for both El Niño and La Niña looks strikingly bimodal, each consisting of two preferred modes, about 8- and 16-mo long for El Niño and about 9- and 18-mo long for La Niña, as does the distribution of the recurrence period for El Niño, consisting of two preferred modes about 21- and 50-mo long. Scatterplots of the recurrence period versus duration for El Niño are found to be statistically important, displaying preferential associations that link shorter (or longer) duration with shorter (longer) recurrence periods. Because the last onset of El Niño occured in 1997 and the event was of longer than average duration, onset of the next anticipated El Niño is not expected until February 2000 or later.
Deciphering The Long Term Trend Of Atlantic Basin Intense Hurricanes More Active Versus Less Active During The Present Epoch
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Author : Robert M. Wilson
language : en
Publisher:
Release Date : 1998
Deciphering The Long Term Trend Of Atlantic Basin Intense Hurricanes More Active Versus Less Active During The Present Epoch written by Robert M. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Atlantic Ocean categories.
El Ni O During The 1990 S
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Author : Robert M. Wilson
language : en
Publisher:
Release Date : 2000
El Ni O During The 1990 S written by Robert M. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Climatic changes categories.
Today, El Niño refers to the extreme warming episodes of the globally effective coupled ocean-atmospheric interaction commonly known as ENSO (i.e., "El Nino-Southern Oscillation"). Concerning its observed decadal frequency and severity, El Nino during the 1990's has often been regarded as being anomalous. Results of analysis herein however, appear to mitigate this belief.
Decadal Trends Of Atlantic Basin Tropical Cyclones 1950 1999
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Author : Robert M. Wilson
language : en
Publisher:
Release Date : 2001
Decadal Trends Of Atlantic Basin Tropical Cyclones 1950 1999 written by Robert M. Wilson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
El Ni O And The Southern Oscillation
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Author : Henry F. Diaz
language : en
Publisher: Cambridge University Press
Release Date : 2000-11-09
El Ni O And The Southern Oscillation written by Henry F. Diaz and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-11-09 with Nature categories.
The El Niño/Southern Oscillation (ENSO) phenomenon is a recurrent feature of the climate in tropical regions. In this volume leading experts summarize information gained over the past decade concerning diverse aspects of ENSO, which have led to marked improvements in our ability to forecast its development months or seasons in advance. This volume compares ENSO's modern morphology and variability with its recent historic and prehistoric behaviour. It expands and updates Diaz and Markgraf's earlier volume El Niño: Historical and Paleoclimatic Aspects of the Southern Oscillation (1992, Cambridge University Press). The volume will be of importance to a broad range of scientists in meteorology, oceanography, hydrology, geosciences, ecology, public health, emergency management response and mitigation, and decision-making. It will also be used as a supplementary textbook and reference source in graduate courses in environmental studies.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 2000
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Government publications categories.
Fy 1999 Scientific And Technical Reports Articles Papers And Presentations
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Author : J.oyce E.Turner Waits
language : en
Publisher:
Release Date : 2000
Fy 1999 Scientific And Technical Reports Articles Papers And Presentations written by J.oyce E.Turner Waits and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
El Ni O Southern Oscillation In A Changing Climate
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Author : Michael J. McPhaden
language : en
Publisher: John Wiley & Sons
Release Date : 2020-11-24
El Ni O Southern Oscillation In A Changing Climate written by Michael J. McPhaden and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-24 with Science categories.
Comprehensive and up-to-date information on Earth’s most dominant year-to-year climate variation The El Niño Southern Oscillation (ENSO) in the Pacific Ocean has major worldwide social and economic consequences through its global scale effects on atmospheric and oceanic circulation, marine and terrestrial ecosystems, and other natural systems. Ongoing climate change is projected to significantly alter ENSO's dynamics and impacts. El Niño Southern Oscillation in a Changing Climate presents the latest theories, models, and observations, and explores the challenges of forecasting ENSO as the climate continues to change. Volume highlights include: Historical background on ENSO and its societal consequences Review of key El Niño (ENSO warm phase) and La Niña (ENSO cold phase) characteristics Mathematical description of the underlying physical processes that generate ENSO variations Conceptual framework for understanding ENSO changes on decadal and longer time scales, including the response to greenhouse gas forcing ENSO impacts on extreme ocean, weather, and climate events, including tropical cyclones, and how ENSO affects fisheries and the global carbon cycle Advances in modeling, paleo-reconstructions, and operational climate forecasting Future projections of ENSO and its impacts Factors influencing ENSO events, such as inter-basin climate interactions and volcanic eruptions The American Geophysical Union promotes discovery in Earth and space science for the benefit of humanity. Its publications disseminate scientific knowledge and provide resources for researchers, students, and professionals. Find out more about this book from this Q&A with the editors.