scholarly journals Storm surge return levels induced by mid-to-late-twenty-first-century extratropical cyclones in the Northeastern United States

2019 ◽  
Vol 154 (1-2) ◽  
pp. 143-158 ◽  
Author(s):  
Ning Lin ◽  
Reza Marsooli ◽  
Brian A. Colle
Keyword(s):  
United States ◽  
Storm Surge ◽  
First Century ◽  
Extratropical Cyclones ◽  
Northeastern United States ◽  
Return Levels ◽  
Twenty First Century

Implications of twenty-first century climate change on Northeastern United States maple syrup production: impacts and adaptations

2009 ◽  
Vol 100 (3-4) ◽  
pp. 685-702 ◽  
Author(s):  
Christopher B. Skinner ◽  
Arthur T. DeGaetano ◽  
Brian F. Chabot
Keyword(s):  
Climate Change ◽  
United States ◽  
First Century ◽  
Northeastern United States ◽  
Maple Syrup ◽  
Twenty First Century ◽  
Maple Syrup Production

scholarly journals Future Changes in Convective Storm Days over the Northeastern United States Using Linear Discriminant Analysis Applied to CMIP5 Predictions

2016 ◽  
Vol 29 (12) ◽  
pp. 4327-4345 ◽  
Author(s):  
Harrison Li ◽  
Brian A. Colle
Keyword(s):  
United States ◽  
Discriminant Analysis ◽  
Linear Discriminant Analysis ◽  
Warm Season ◽  
First Century ◽  
Historical Period ◽  
Northeastern United States ◽  
Convective Storm ◽  
Linear Discriminant ◽  
Twenty First Century

Abstract Future changes in the frequency of environmental conditions conducive for convective storm days (“CE days”) are determined for the northeastern United States (NEUS) during the warm seasons (April–September) of the twenty-first century. Statistical relationships between historical runs of seven models in phase 5 of the Coupled Model Intercomparison Project (CMIP5) and radar-classified convective storm days are developed using linear discriminant analysis (LDA), and these relationships are then applied to analyze changes in the convective environment under the high-emissions representative concentration pathway 8.5 (RCP8.5) scenario over the period 2006–99. The 1996–2007 warm seasons are used to train the LDA thresholds using convective precipitation from two reanalysis datasets and radar data, and the 1979–95 and 2008–10 warm seasons are used to verify these thresholds. For the CMIP5 historical period (1979–2005), the frequency of warm season CE days averaged across the CMIP5 models is slightly greater than that derived using reanalysis data, although both methods indicate a slight increasing trend through the historical period. Between 2006 and 2099, warm season CE day frequency is predicted to increase substantially at an average rate of 4–5 days decade−1 (50%–80% increase over the entire period). These changes are mostly attributed to a predicted 30%–40% increase in midlevel precipitable water between the historical period and the last few decades of the twenty-first century. Consistent with previous studies, there is decreasing deep-layer vertical wind shear as a result of a weakening horizontal temperature gradient, but this is outweighed by increases in instability led by the moisture increases.

scholarly journals Twenty-first century reversal of the surface ozone seasonal cycle over the northeastern United States

2014 ◽  
Vol 41 (20) ◽  
pp. 7343-7350 ◽  
Author(s):  
O. E. Clifton ◽  
A. M. Fiore ◽  
G. Correa ◽  
L. W. Horowitz ◽  
V. Naik
Keyword(s):  
United States ◽  
Seasonal Cycle ◽  
Surface Ozone ◽  
First Century ◽  
Northeastern United States ◽  
Twenty First Century

Biosurveillance: A Modern Look

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
James Lee Brooks
Keyword(s):  
United States ◽  
Homeland Security ◽  
The United States ◽  
First Century ◽  
Direct Result ◽  
Current State ◽  
Twenty First Century ◽  
Security Operations

AbstractThe early part of the twenty-first century saw a revolution in the field of Homeland Security. The 9/11 attacks, shortly followed thereafter by the Anthrax Attacks, served as a wakeup call to the United States and showed the inadequacy of the current state of the nation’s Homeland Security operations. Biodefense, and as a direct result Biosurveillance, changed dramatically after these tragedies, planting the seeds of fear in the minds of Americans. They were shown that not only could the United States be attacked at any time, but the weapon could be an invisible disease-causing agent.

On the twenty-first-century wet season projections over the Southeastern United States

2013 ◽  
Vol 13 (S1) ◽  
pp. 153-164 ◽  
Author(s):  
Christopher Selman ◽  
Vasu Misra ◽  
Lydia Stefanova ◽  
Steven Dinapoli ◽  
Thomas J. Smith III
Keyword(s):  
United States ◽  
Southeastern United States ◽  
First Century ◽  
Wet Season ◽  
Twenty First Century

Conclusion: Sincerity Dreams

2017 ◽  
Author(s):  
Ellen Rutten
Keyword(s):  
United States ◽  
Popular Culture ◽  
Western Europe ◽  
The United States ◽  
First Century ◽  
Contemporary Culture ◽  
Cultural Paradigms ◽  
Twenty First Century ◽  
Inclusive Analysis

This conclusion reflects on today's dreams of renewing or revitalizing sincerity and rejects the notion that they are outdated or do not deserve any of our attention. It cites the work of several scholars to show that sincerity is anything but obsolete in twenty-first-century popular culture. Indeed, today's strivings to renew sincerity have not been neglected by scholars such as R. Jay Magill Jr., Epstein, and Yurchak. The rhetoric on new sincerity has been addressed in thoughtful analyses of contemporary culture that have helped the author in crafting a comprehensive and geographically inclusive analysis of present-day sincerity rhetoric. In post-Communist Russia, debates on a shift to late or post-postmodern cultural paradigms are thriving with at least as much fervor as—and possibly more than—in Western Europe or the United States. This conclusion discusses the newly gained insights which the author's sincerity study offers.

Perpetual Turmoil: Book retailing in the twenty-first century United States

LOGOS ◽  
2011 ◽  
Vol 22 (3) ◽  
pp. 16-25 ◽  
Keyword(s):  
United States ◽  
First Century ◽  
Twenty First Century

The United States and the Americas: A Twenty-First-Century View

1999 ◽  
Vol 78 (5) ◽  
pp. 178 ◽  
Author(s):  
Kenneth Maxwell ◽  
Albert Fishlow ◽  
James Jones
Keyword(s):  
United States ◽  
The United States ◽  
First Century ◽  
Twenty First Century
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