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Physical Factors Governing the Surface Temperature History of Snowball Earth

The continuity of life evolution over 3.5 billion years has been attributed to Earth's ability to maintain a habitable climate. However, the Neoproterozoic era was interrupted by multiple Snowball Earth episodes when the silicate weathering thermostat broke down and global-scale glaciations ensued. It remains a major challenge to explain how life has survived these severe glaciations, which depends critically on the surface temperature. The work presented in this thesis contains a series of modeling endeavors dedicated to advancing our understanding of the temperature history during the Snowball Earth events. With an energy balance model, we demonstrate that the critical phase for life is the early stage of Snowball, when surface temperature has plunged after the initiation. Using the FOAM GCM specially modified for the Snowball climate, we investigate the peculiar hydrological cycle of a Snowball state. With an idealized ice shell model, we study how the global-scale ice flow may act as a dust conveyor belt and escalate dust accumulation in the tropical ablation zone. We then explore the stability of the dusty Snowball state in a coupled atmosphere-ice-dust model. We propose a dust thermostat mechanism based on the coupled model simulations of the dusty ice scenario, which suggests that the Snowball Earth might have been much warmer than previously thought.

The work presented in this thesis contains a series of modeling endeavors dedicated to advancing our understanding of the temperature history during the Snowball Earth events.

The Snowball Effect

A Winning Investment Strategy of Using Dividend and Interest Reinvestment to Help You Retire on Time

An income investing book that shows investors how to achieve their retirement goals by investing in blue-chip dividend paying stocks, high-yield bonds, and writing covered calls.

Max & His Friends/Snowball & the Flushed Pets (Secret Life of Pets)

The Secret Life of Pets is about what pets do after their owners leave for work or school. This book is based on the film, which features works about Max and Snowball.

Introduces the characters from the movie "The Secret Life of Pets."

Annie and Snowball and the Cozy Nest

In Annie and Snowball and the Cozy Nest, Annie and Snowball have new neighbors—but they haven’t hatched yet. Annie and Snowball can’t wait to see the baby birds that live in the cozy nest on Annie’s porch. And Henry and his big dog Mudge want to greet the babies, too. It’s not easy to be patient!

In Annie and Snowball and the Cozy Nest, Annie and Snowball have new neighbors—but they haven’t hatched yet. Annie and Snowball can’t wait to see the baby birds that live in the cozy nest on Annie’s porch.

The Puppy Place #2: Snowball

"Welcome to the Puppy Place--where every puppy finds a home! Charles and Lizzie Peterson are very good with puppies. They want one of their own, but their mom isn't ready for them to have one full time. For now, they help take care of puppies that need to find a new home. They are a foster family for young dogs. The Peterson kids hear about Snowball. Someone left the fluffy puppy all alone at a gas station in a tattered, old box. Snowball is sick and hungry. He needs a family of his own. Can Charles and Lizzy find one that is just right?"

"Welcome to the Puppy Place--where every puppy finds a home!

The Snowball Effect

"The Snowball Effect is a powerful book with incredible insight." -Laura Contreras-Rowe, award-winning author of Aim High: Extraordinary Stories of Hispanic & Latina Women "I highly recommend this book...the lessons provide specific and precise tools for people wanting to clear out the negative and learn to focus on the positive gifts in life." -Marney A. White, PhD, MS, Associate Professor of Psychiatry, Yale University School of Medicine "Enjoy it. Live it. Share it." -William P. Magee Jr., DDS, MD, Cofounder-CEO Operation Smile." "The Snowball Effect offers a unique perspective on what it takes to move forward through life in the most productive and positive way" -Chrisanna Northrup, New York Times bestseller, author of The Normal Bar Imagine Imagine feeling inspired, motivated, and hopeful about your situation and your future. Imagine being able to let go of resentment, harsh self-judgments, and explosive reactions. Imagine having better relationships with others. Imagine having the courage to face your fears and live your dreams without becoming overwhelmed. Imagine living every day with gratitude, being able to fully appreciate the moment. That's the snowball effect in action! This book is about improving and building self, one baby step at a time.

Imagine living every day with gratitude, being able to fully appreciate the moment. That's the snowball effect in action! This book is about improving and building self, one baby step at a time.

Annie and Snowball and the Wedding Day

From the Theodor Seuss Geisel Award–winning creators of Henry and Mudge comes a sweet Level 2 Ready-to-Read story about blended families, starring Annie and Snowball. Annie, her dad, and her bunny, Snowball, love living next door to her cousin Henry, his parents, and his big dog, Mudge. But something is missing. Annie wants her dad to find someone to love. Then her dad meets a woman named Martha and falls in love. Annie is excited that Martha makes Dad so happy, but she is a little worried about meeting her for the first time. Before long, Martha feels like part of the family, and it’s time for a wedding! It’s a big change to have a stepmother, but Annie knows that all their new family needs is love.

From the Theodor Seuss Geisel Award–winning creators of Henry and Mudge comes a sweet Level 2 Ready-to-Read story about blended families, starring Annie and Snowball.