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Author: Kara Voss Publisher: ISBN: Category : Languages : en Pages : 142
Book Description
Trans-Pacific dust is thought to increase precipitation from atmospheric rivers (ARs) by enhancing ice formation in mixed-phase clouds. However, constraints on measurements of dust have limited our understanding of the magnitude of this effect. In this dissertation, we utilize satellite-retrievals, ground-based observations, and reanalysis to: 1. Develop global, daily, observation-based datasets of dust aerosol optical depth extending from 2001 through 2018, 2. Develop a dust score to characterize the dust-content of the environment surrounding ARs that made landfall along the U.S. west coast between 2001 and 2018 and characterize the year-to-year variability of the dust content of the surroundings of ARs, and 3. Analyze the meteorological conditions associated with the presence of dust in the vicinity of ARs. We show that dusty ARs occur primarily in March, at the confluence of the end of the AR season and the beginning of the trans-Pacific dust season. We show that dust is preferentially found within the warm sector of the extra-tropical cyclones associated with ARs making landfall along the U.S. but dust is also enhanced in the cold sector. Our results suggest that the year-to-year variability in the dust score is primarily the result of variability of the dust content of the eastern North Pacific and correlated variability of the frequency of ARs and the dust content of surrounding area. Finally, we investigate the meteorological conditions that lead to the presence of dust in the vicinity of an AR by analyzing the conditions over trans-Pacific dust source regions and over the North Pacific in the days prior to an AR. Dusty ARs are associated with enhanced upper- and mid-level westerly winds over Asia, an extended North Pacific Jet, and eastward migrating extra-tropical cyclones. In contrast, pristine ARs are associated with a persistent ridge over the North Pacific. The research presented here addresses gaps in our understanding of how often and why dust is present in the vicinity of an AR, a critical step in constraining the influence of dust on precipitation from ARs.
Author: Kara Voss Publisher: ISBN: Category : Languages : en Pages : 142
Book Description
Trans-Pacific dust is thought to increase precipitation from atmospheric rivers (ARs) by enhancing ice formation in mixed-phase clouds. However, constraints on measurements of dust have limited our understanding of the magnitude of this effect. In this dissertation, we utilize satellite-retrievals, ground-based observations, and reanalysis to: 1. Develop global, daily, observation-based datasets of dust aerosol optical depth extending from 2001 through 2018, 2. Develop a dust score to characterize the dust-content of the environment surrounding ARs that made landfall along the U.S. west coast between 2001 and 2018 and characterize the year-to-year variability of the dust content of the surroundings of ARs, and 3. Analyze the meteorological conditions associated with the presence of dust in the vicinity of ARs. We show that dusty ARs occur primarily in March, at the confluence of the end of the AR season and the beginning of the trans-Pacific dust season. We show that dust is preferentially found within the warm sector of the extra-tropical cyclones associated with ARs making landfall along the U.S. but dust is also enhanced in the cold sector. Our results suggest that the year-to-year variability in the dust score is primarily the result of variability of the dust content of the eastern North Pacific and correlated variability of the frequency of ARs and the dust content of surrounding area. Finally, we investigate the meteorological conditions that lead to the presence of dust in the vicinity of an AR by analyzing the conditions over trans-Pacific dust source regions and over the North Pacific in the days prior to an AR. Dusty ARs are associated with enhanced upper- and mid-level westerly winds over Asia, an extended North Pacific Jet, and eastward migrating extra-tropical cyclones. In contrast, pristine ARs are associated with a persistent ridge over the North Pacific. The research presented here addresses gaps in our understanding of how often and why dust is present in the vicinity of an AR, a critical step in constraining the influence of dust on precipitation from ARs.
Author: F. Martin Ralph Publisher: Springer Nature ISBN: 3030289060 Category : Science Languages : en Pages : 284
Book Description
This book is the standard reference based on roughly 20 years of research on atmospheric rivers, emphasizing progress made on key research and applications questions and remaining knowledge gaps. The book presents the history of atmospheric-rivers research, the current state of scientific knowledge, tools, and policy-relevant (science-informed) problems that lend themselves to real-world application of the research—and how the topic fits into larger national and global contexts. This book is written by a global team of authors who have conducted and published the majority of critical research on atmospheric rivers over the past years. The book is intended to benefit practitioners in the fields of meteorology, hydrology and related disciplines, including students as well as senior researchers.
Author: Publisher: Cybellium ISBN: 1836790562 Category : Science Languages : en Pages : 225
Book Description
Welcome to the forefront of knowledge with Cybellium, your trusted partner in mastering the cutting-edge fields of IT, Artificial Intelligence, Cyber Security, Business, Economics and Science. Designed for professionals, students, and enthusiasts alike, our comprehensive books empower you to stay ahead in a rapidly evolving digital world. * Expert Insights: Our books provide deep, actionable insights that bridge the gap between theory and practical application. * Up-to-Date Content: Stay current with the latest advancements, trends, and best practices in IT, Al, Cybersecurity, Business, Economics and Science. Each guide is regularly updated to reflect the newest developments and challenges. * Comprehensive Coverage: Whether you're a beginner or an advanced learner, Cybellium books cover a wide range of topics, from foundational principles to specialized knowledge, tailored to your level of expertise. Become part of a global network of learners and professionals who trust Cybellium to guide their educational journey. www.cybellium.com
Author: Hannah Holmes Publisher: Turner Publishing Company ISBN: 0470589140 Category : Science Languages : en Pages : 296
Book Description
Hannah Holmes A mesmerizing expedition around our dusty world Some see dust as dull and useless stuff. But in the hands of author Hannah Holmes, it becomes a dazzling and mysterious force; Dust, we discover, built the planet we walk upon. And it tinkers with the weather and spices the air we breathe. Billions of tons of it rise annually into the air--the dust of deserts and forgotten kings mixing with volcanic ash, sea salt, leaf fragments, scales from butterfly wings, shreds of T-shirts, and fireplace soot. Eventually, though, all this dust must settle. The story of restless dust begins among exploding stars, then treks through the dinosaur beds of the Gobi Desert, drills into Antarctic glaciers, filters living dusts from the wind, and probes the dark underbelly of the living-room couch. Along the way, Holmes introduces a delightful cast of characters--the scientists who study dust. Some investigate its dark side: how it killed off dinosaurs and how its industrial descendents are killing us today. Others sample the shower of Saharan dust that nourishes Caribbean jungles, or venture into the microscopic jungle of the bedroom carpet. Like The Secret Life of Dust, however, all of them unveil the mayhem and magic wrought by little things. Hannah Holmes (Portland, ME) is a science and natural history writer for the Discovery Channel Online. Her freelance work has been widely published, appearing in the Los Angeles Times Magazine, the New York Times Magazine, Outside, Sierra, National Geographic Traveler, and Escape. Her broadcast work has been featured on Living on Earth and the Discovery Channel Online's Science Live.
Author: Padmasuri Publisher: Windhorse Publications ISBN: 9780904766851 Category : Buddhist converts from Hinduism Languages : en Pages : 228
Book Description
Padmasuri was an English nurse and midwife who gave up nursing to teach Buddhism among the "untouchable" Hindus of India. In this book she charts her progress as she helps her friends discover dignity, strength and freedom on the Buddhist path of individual and social transformation.
Author: Stefano Guerzoni Publisher: Springer Science & Business Media ISBN: 9401733546 Category : Science Languages : en Pages : 390
Book Description
The atmosphere is an important pathway for the transport of continentally-derived material to the oceans. In this respect the Mediterranean Sea is of special importance because its atmosphere receives inputs of anthropogenic aerosols from the north and desert- derived Saharan dusts from the south. The dusts, much of which is transported in the form of seasonal `pulses', have important effects on climate, marine chemistry and sedimentation in the Mediterranean Sea. This volume brings together reviews and specific-topic papers on the following aspects of Saharan dust transport to the Mediterranean Sea: (i) the modelling of Saharan dust transport, (ii) the chemistry and mineralogy of the dusts and their effect on precipitation, (iii) the contribution of the dusts to marine sedimentation, (iv) the aerobiology of the dusts, and (v) climatic implications of Saharan dust transport. The volume is aimed at students and researchers with an interest in the climate, biogeochemistry and geology of the Mediterranean Sea.
Author: Kara Voss
Author: Kara Voss
Author: F. Martin Ralph
Author: 
Author: Aubrey P. Altschuller
Author: J. K. Clement
Author: Hannah Holmes
Author: Padmasuri
Author: 
Author: Zhiyuan Hu
Author: Stefano Guerzoni