Evolution of the Cretaceous Ocean-climate System

Evolution of the Cretaceous Ocean-climate System PDF Author: Enriqueta Barrera
Publisher: Geological Society of America
ISBN: 9780813723327
Category : Science
Languages : en
Pages : 458

Get Book

Book Description

Evolution of the Cretaceous Ocean-climate System

Evolution of the Cretaceous Ocean-climate System PDF Author: Enriqueta Barrera
Publisher: Geological Society of America
ISBN: 9780813723327
Category : Science
Languages : en
Pages : 458

Get Book

Book Description


Cretaceous Oceanic Red Beds

Cretaceous Oceanic Red Beds PDF Author: Xiumian Hu
Publisher: SEPM Soc for Sed Geology
ISBN: 1565761359
Category : Science
Languages : en
Pages : 266

Get Book

Book Description


Understanding Earth's Deep Past

Understanding Earth's Deep Past PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309209196
Category : Science
Languages : en
Pages : 208

Get Book

Book Description
There is little dispute within the scientific community that humans are changing Earth's climate on a decadal to century time-scale. By the end of this century, without a reduction in emissions, atmospheric CO2 is projected to increase to levels that Earth has not experienced for more than 30 million years. As greenhouse gas emissions propel Earth toward a warmer climate state, an improved understanding of climate dynamics in warm environments is needed to inform public policy decisions. In Understanding Earth's Deep Past, the National Research Council reports that rocks and sediments that are millions of years old hold clues to how the Earth's future climate would respond in an environment with high levels of atmospheric greenhouse gases. Understanding Earth's Deep Past provides an assessment of both the demonstrated and underdeveloped potential of the deep-time geologic record to inform us about the dynamics of the global climate system. The report describes past climate changes, and discusses potential impacts of high levels of atmospheric greenhouse gases on regional climates, water resources, marine and terrestrial ecosystems, and the cycling of life-sustaining elements. While revealing gaps in scientific knowledge of past climate states, the report highlights a range of high priority research issues with potential for major advances in the scientific understanding of climate processes. This proposed integrated, deep-time climate research program would study how climate responded over Earth's different climate states, examine how climate responds to increased atmospheric carbon dioxide and other greenhouse gases, and clarify the processes that lead to anomalously warm polar and tropical regions and the impact on marine and terrestrial life. In addition to outlining a research agenda, Understanding Earth's Deep Past proposes an implementation strategy that will be an invaluable resource to decision-makers in the field, as well as the research community, advocacy organizations, government agencies, and college professors and students.

Reconstructing Ocean History

Reconstructing Ocean History PDF Author: Fatima Abrantes
Publisher: Springer Science & Business Media
ISBN: 1461541972
Category : Science
Languages : en
Pages : 443

Get Book

Book Description
This volume is one outcome of the 6th International Conference on Paleoceano graphy (ICP VI). The conference was held August 23-28, 1998 in Lisbon, Portugal. The meeting followed the traditional format of a small number of invited oral presentations complemented by a large number ofcontributed posters. Over 550 participants attended, representing thirty countries and nearly 450 posters were presented. The invited speakers addressed the main themes of the 5oral sessions. The session topics were: Polar-Tropical and Interhemisphere Linkages; Does the Ocean Cause, or Respond to, Abrupt Climatic Changes?; Biotic Responses to Major Paleoceanographic Changes; Past Warm Climates; and Innovations In Monitoring Ocean History. This is the first time in ICP history that the Conference Proceedings are published. The aim of the organisers with the publication of this book is two-fold: to provide a useful review of the field and to document the ideas/controversies raised during the con ference that may stimulate future work. The book reflects the initial intentions of the conference, but it is not a conven tional conference proceedings, given that the papers have been reviewed by formal exter nal referees. Each of the conference topics is introduced by a review article designed to summarize the state of the art in each theme followed by articles prepared by the invited speakers. As with most conference proceedings, each theme is covered heterogenously. Some topics have all the expected contributions, others are less well covered.

The History and Sedimentology of Ancient Reef Systems

The History and Sedimentology of Ancient Reef Systems PDF Author: George D. Stanley Jr.
Publisher: Springer Science & Business Media
ISBN: 1461512190
Category : Science
Languages : en
Pages : 468

Get Book

Book Description
From the Preface: The chapters of this book contain contributions from an international group of specialists. They address some important themes in both modern and ancient reef systems. Some chapters contain `snapshots' of reefs of particular intervals, while others touch on relevant themes of both modern and ancient reefs - themes that weave their way through reefs of all ages. This book opens and sets the stage with an introduction to both modern and ancient reefs and reef ecosystems. This chapter is also intended as a basic introduction for students, general geologists, and professionals or others who may be unfamiliar with reefs and reef ecosystems. The chapter addresses the living coral reef ecosystem, stressing among other relevant factors, the importance of ecological and physical interactions between the organisms and their environment. The chapter also addresses mass extinction and provides a general overview of the history of reefs.

Antarctic Climate Evolution

Antarctic Climate Evolution PDF Author: Fabio Florindo
Publisher: Elsevier
ISBN: 9780080931616
Category : Science
Languages : en
Pages : 606

Get Book

Book Description
Antarctic Climate Evolution is the first book dedicated to furthering knowledge on the evolution of the world’s largest ice sheet over its ~34 million year history. This volume provides the latest information on subjects ranging from terrestrial and marine geology to sedimentology and glacier geophysics. An overview of Antarctic climate change, analyzing historical, present-day and future developments Contributions from leading experts and scholars from around the world Informs and updates climate change scientists and experts in related areas of study

Mass Extinction

Mass Extinction PDF Author: Ashraf M.T. Elewa
Publisher: Springer Science & Business Media
ISBN: 3540759166
Category : Science
Languages : en
Pages : 252

Get Book

Book Description
The present book combines three main aspects: five major mass extinctions; contributions on some other minor extinctions; and more importantly contributions on the current mass extinction. All three aspects are introduced through interesting studies of mass extinctions in diverse organisms ranging from small invertebrates to mammals and take account of the most accepted subjects discussing mass extinctions in insects, mammals, fishes, ostracods and molluscs.

A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems

A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems PDF Author: James R. Ehleringer
Publisher: Springer Science & Business Media
ISBN: 0387270485
Category : Science
Languages : en
Pages : 545

Get Book

Book Description
Based in extensive research in geology, atmospheric science, and paleontology, this book offers a detailed history of CO2 in the atmosphere, and an understanding of factors that have influenced changes in the past. The text illuminates the role of atmospheric CO2 in the modern carbon cycle and in the evolution of plants and animals, and addresses the future role of atmospheric CO2 and its likely effects on ecosystems.

Cretaceous Climate Events and Short-Term Sea-Level Changes

Cretaceous Climate Events and Short-Term Sea-Level Changes PDF Author: M. Wagreich
Publisher: Geological Society of London
ISBN: 1786204746
Category : Science
Languages : en
Pages : 269

Get Book

Book Description
Sea-level constitutes a critical planetary boundary for geological processes and human life. Sea-level fluctuations during major greenhouse phases are still enigmatic and strongly discussed in terms of changing climate systems. The geological record of the Cretaceous greenhouse period provides a deep-time view on greenhouse-phase Earthsystem processes that facilitates a much better understanding of the causes and consequences of global, geologically short-term, sea-level changes. In particualr, Cretaceous hothouse periods can serve as a laboratory to better understand a near-future greenhouse Earth. This volume presents high-resolution sea-level records from globally distributed sedimentary archives of the Cretaceous involving a large group of scientists from the International Geoscience Programme IGCP 609. Marine to non-marine sedimentary successions were analysed for revised age constraints, the correlation of global palaeoclimate shifts and sea-level changes, tested for climate-driven cyclicities, and correlated within a high-resolution stratigraphic framework of the Geological Timescale. For hothouse periods, the hypothesis of significant global groundwater-related sea-level change, i.e. aquifer-eustasy as a major process, is reviewed and substantiated.

The Circum-Gulf of Mexico and the Caribbean

The Circum-Gulf of Mexico and the Caribbean PDF Author: Claudio Bartolini
Publisher: AAPG
ISBN: 0891813608
Category : Science
Languages : en
Pages : 977

Get Book

Book Description
"AAPG Memoir 79, The Circum-Gulf of Mexico and the Caribbean, is the first volume in more than a decade to document such a wide range of research on the geology of this vast area. Of the total 44 papers, roughly two-thirds pertain to the Gulf of Mexico, with an emphasis on the Mexican portion of the basin, and to the petroliferous areas of the southern Caribbean, including Colombia, Venezuela, Cuba, and Trinidad and Tobago. The remaining papers relate to the Antilles and Central America, as well as a series of papers that address region-wide topics such as plate tectonic evolution. A significant number of papers were contributed by authors from national oil companies and universities from within the region." --AAPG.