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Author : C.H. LEAR
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (77 download)
Download or read book Cenozoic deep-sea temperatures and global ice volumes from Mg/Ca in benthic foraminiferal calcite written by C.H. LEAR and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elaine M. Mawbey
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Cenozoic Records of Seawater Chemistry written by Elaine M. Mawbey and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ratios of trace metals to calcium in the calcium carbonate tests of benthic foraminifera have been used as palaeoceanographic proxies for several decades and are now routinely used to reconstruct past climate change on a variety of Cenozoic timescales. Recent research, however, reveals gaps in our understanding of the effects of oceanic variables such as temperature and carbonate saturation state on these trace metal ratios, which limits their application as proxies. Additional uncertainties arise because of physiological effects ("vital effects") and microhabitat of the living foraminifera. Moreover, much of what is known about trace metal uptake into benthic foraminiferal calcite is derived from modern core-top calibrations and laboratory experiments and it is unknown as to what extent our understanding from these models can be applied to the early and mid Cenozoic. This thesis attempts to address some of these questions using a novel depth transect approach and presenting benthic foraminiferal trace metal records across three major Cenozoic climate change events from Ocean Drilling Program (ODP) deep sea core material. The events are: (i) The Eocene-Oligocene transition (EOT), (ii) The Oligocene- Miocene boundary event (Mi-1) and (iii) The Middle Miocene Climatic Transition (MMCT). These records have allowed examination of the validity of the application of current knowledge of benthic foraminiferal trace metal proxies to Cenozoic records, and also the comparison of the records of two different benthic foraminiferal species, which has shed new light on the importance of foraminiferal habitat in the interpretation of the proxy data. The identification of a dissolution effect operating on benthic foraminiferal Mg/Ca in undersaturated waters has allowed a reasonable estimate of cooling (~2-3 ̊C) to be obtained from deep-sea records across the Eocene-Oligocene Transition. The transient glaciation at the Oligocene-Miocene boundary is estimated to comprise of a deep-sea cooling of ~2°C and a sea level decrease of ~80 metres based on Oridorsalis umbonatus Mg/Ca. Comparison of new Middle Miocene trace metal records across a water depth transect has shed light on the relative interplay of temperature and saturation state on published Mg/Ca records, enabling more accurate estimates of temperature and ice volume change. The new interpretations suggest that deep sea temperatures cooled by ~4.5C, and sea level fell by 70-100 metres between 16.2 and 11.6 Ma. The recently developed paired Mg/Ca-Li/Ca approach to calculating simultaneous variations in bottom water temperature and saturation state has been used to assess inter-basinal differences in water mass composition for the first time. Down-core benthic foraminiferal Li/Ca records from Ceara Rise Sites do not behave as expected, indicating that there may be times when this proxy is affected by an additional environmental parameter. This is tentatively suggested to be a growth-rate related oxygenation signal. U/Ca in benthic foraminifera does not appear to work as a saturation state proxy in these records, again indicating either different behaviour to the observed modern behaviour, or additional factors absent from the modern calibration, such as bottom water oxygenation. Benthic foraminiferal Sr/Ca follows the linear negative water-depth relationship of Lear et al., (2003) suggesting a pressure-related effect. This study demonstrates that benthic foraminiferal trace metal chemistry can be used to provide information about climate events in the Cenozoic, however additional empirical work is required to fully understand the systematics of trace metal incorporation into benthic foraminiferal tests.
Author :
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (43 download)
Download or read book Climate Transitions Across the Cenozoic written by and published by . This book was released on 2008 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Cenozoic climate record derived from the oxygen isotope ratios of benthic foraminifera (delta18Ob) displays several, short term steps signifying the glaciation of Antarctica (~33.7 Ma) and the development (~2.7 Ma) and intensification (~0.9 Ma) of large-scale northern hemisphere glaciation (NHG), termed hereafter the late Pliocene transition (LPT) and mid-Pleistocene transition (MPT), respectively. The interpretation of the delta18Ob record, which is controlled by both temperature and the oxygen isotopic composition of seawater (delta, omega), is, however, not straightforward. In the work presented here, I:(1) used Mg/Ca benthic foraminiferal paleothermometry paired with delta18Ob to construct high resolution records of deep ocean temperature and global ice volume to understand the underlying mechanisms of Pliocene-Pleistocene climate transitions and (2) developed a new salinity independent paleothermometer based on Sr/Ca ratios in marine gastropods and examined its potential for Cenozoic low-latitude sea surface temperature reconstructions and I constructed and applied a new regional Mg/Ca-temperature calibration based on downcore Mg/Ca variations to encompass changes in temperature and carbonate saturation in deep Atlantic Ocean. The new, high resolution bottom water temperature record from North Atlantic Deep Sea Drilling Project site 607 indicates that the deep ocean cooled across both the LPT and MPT. The cooling across the MPT preconditioned the high latitudes for ice-sheet growth by modifying heat transport through changes in meridional temperature gradients. Across the LPT, the mean trend in sea level decreased by 20+/-25m whereas the MPT is associated with an increase in glacial-interglacial amplitude of sea level. I propose that the MPT is related to a change in ice sheet dynamics, specifically growth of thicker ice sheets, and that a threshold response to high-latitude cooling is not sufficient to explain the MPT. The Sr/Ca- temperature calibration study, based on the marine gastropod Conus ermineus, shows that strontium incorporation into the aragonitic gastropod shell is most likely driven by a temperature influence on growth rate. To minimize the ontogenetic effect, I separated the Sr/Ca-temperature calibration into juvenile and adult growth stages. The application of the new low-latitude paleothermometer to fossil specimens shows that the low latitudes cooled along with high latitudes throughout the Cenozoic.
Author : Scott L. Wing
Publisher : Geological Society of America
ISBN 13 : 9780813723693
Total Pages : 628 pages
Book Rating : 4.7/5 (236 download)
Download or read book Causes and Consequences of Globally Warm Climates in the Early Paleogene written by Scott L. Wing and published by Geological Society of America. This book was released on 2003-01-01 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Hillaire-Marcel
Publisher : Elsevier
ISBN 13 : 0080525040
Total Pages : 863 pages
Book Rating : 4.0/5 (85 download)
Download or read book Proxies in Late Cenozoic Paleoceanography written by C. Hillaire-Marcel and published by Elsevier. This book was released on 2007-05-25 with total page 863 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present volume is the first in a series of two books dedicated to the paleoceanography of the Late Cenozoic ocean. The need for an updated synthesis on paleoceanographic science is urgent, owing to the huge and very diversified progress made in this domain during the last decade. In addition, no comprehensive monography still exists in this domain. This is quite incomprehensible in view of the contribution of paleoceanographic research to our present understanding of the dynamics of the climate-ocean system. The focus on the Late Cenozoic ocean responds to two constraints. Firstly, most quantitative methods, notably those based on micropaleontological approaches, cannot be used back in time beyond a few million years at most. Secondly, the last few million years, with their strong climate oscillations, show specific high frequency changes of the ocean with a relatively reduced influcence of tectonics. The first volume addresses quantitative methodologies to reconstruct the dynamics of the ocean andthe second, major aspects of the ocean system (thermohaline circulation, carbon cycle, productivity, sea level etc.) and will also present regional synthesis about the paleoceanography of major the oceanic basins. In both cases, the focus is the “open ocean leaving aside nearshore processes that depend too much onlocal conditions. In this first volume, we have gathered up-to-date methodologies for the measurement and quantitative interpretation of tracers and proxies in deep sea sediments that allow reconstruction of a few key past-properties of the ocean( temperature, salinity, sea-ice cover, seasonal gradients, pH, ventilation, oceanic currents, thermohaline circulation, and paleoproductivity). Chapters encompass physical methods (conventional grain-size studies, tomodensitometry, magnetic and mineralogical properties), most current biological proxies (planktic and benthic foraminifers, deep sea corals, diatoms, coccoliths, dinocysts and biomarkers) and key geochemical tracers (trace elements, stable isotopes, radiogenic isotopes, and U-series). Contributors to the book and members of the review panel are among the best scientists in their specialty. They represent major European and North American laboratories and thus provide a priori guarantees to the quality and updat of the entire book. Scientists and graduate students in paleoclimatology, paleoceanography, climate modeling, and undergraduate and graduate students in marine geology represent the target audience. This volume should be of interest for scientists involved in several international programs, such as those linked to the IPCC (IODP – Integrated Ocean Drilling Program; PAGES – Past Global Changes; IMAGES – Marine Global Changes; PMIP: Paleoclimate Intercomparison Project; several IGCP projects etc.), That is, all programs that require access to time series illustrating changes in the climate-ocean system. Presents updated techniques and methods in paleoceanography Reviews the state-of-the-art interpretation of proxies used for quantitative reconstruction of the climate-ocean system Acts as a supplement for undergraduate and graduate courses in paleoceanography and marine geology
Author : Colin P. Summerhayes
Publisher : John Wiley & Sons
ISBN 13 : 1119591503
Total Pages : 560 pages
Book Rating : 4.1/5 (195 download)
Download or read book Paleoclimatology written by Colin P. Summerhayes and published by John Wiley & Sons. This book was released on 2020-06-22 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life on our planet depends upon having a climate that changes within narrow limits – not too hot for the oceans to boil away nor too cold for the planet to freeze over. Over the past billion years Earth’s average temperature has stayed close to 14-15°C, oscillating between warm greenhouse states and cold icehouse states. We live with variation, but a variation with limits. Paleoclimatology is the science of understanding and explaining those variations, those limits, and the forces that control them. Without that understanding we will not be able to foresee future change accurately as our population grows. Our impact on the planet is now equal to a geological force, such that many geologists now see us as living in a new geological era – the Anthropocene. Paleoclimatology describes Earth’s passage through the greenhouse and icehouse worlds of the past 800 million years, including the glaciations of Snowball Earth in a world that was then free of land plants. It describes the operation of the Earth’s thermostat, which keeps the planet fit for life, and its control by interactions between greenhouse gases, land plants, chemical weathering, continental motions, volcanic activity, orbital change and solar variability. It explains how we arrived at our current understanding of the climate system, by reviewing the contributions of scientists since the mid-1700s, showing how their ideas were modified as science progressed. And it includes reflections based on the author’s involvement in palaeoclimatic research. The book will transform debate and set the agenda for the next generation of thought about future climate change. It will be an invaluable course reference for undergraduate and postgraduate students in geology, climatology, oceanography and the history of science. "A real tour-de-force! An outstanding summary not only of the science and what needs to be done, but also the challenges that are a consequence of psychological and cultural baggage that threatens not only the survival of our own species but the many others we are eliminating as well." Peter Barrett Emeritus Professor of Geology, Antarctic Research Centre, Victoria University of Wellington, New Zealand "What a remarkable and wonderful synthesis... it will be a wonderful source of [paleoclimate] information and insights." Christopher R. Scotese Professor, Department of Earth and Planetary Sciences, Northwestern University, Evanston, IL, USA
Author : Vivien Gornitz
Publisher : Springer Science & Business Media
ISBN 13 : 1402045514
Total Pages : 1062 pages
Book Rating : 4.4/5 (2 download)
Download or read book Encyclopedia of Paleoclimatology and Ancient Environments written by Vivien Gornitz and published by Springer Science & Business Media. This book was released on 2008-10-31 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of Springer’s Major Reference Works, this book gives the reader a truly global perspective. It is the first major reference work in its field. Paleoclimate topics covered in the encyclopedia give the reader the capability to place the observations of recent global warming in the context of longer-term natural climate fluctuations. Significant elements of the encyclopedia include recent developments in paleoclimate modeling, paleo-ocean circulation, as well as the influence of geological processes and biological feedbacks on global climate change. The encyclopedia gives the reader an entry point into the literature on these and many other groundbreaking topics.
Author : David A. N. Ussiri
Publisher : Springer
ISBN 13 : 3319538454
Total Pages : 554 pages
Book Rating : 4.3/5 (195 download)
Download or read book Carbon Sequestration for Climate Change Mitigation and Adaptation written by David A. N. Ussiri and published by Springer. This book was released on 2017-03-28 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an understanding of the role of human activities in accelerating change in global carbon cycling summarizes current knowledge of the contemporary carbon budget. Starting from the geological history, this volume follows a multidisciplinary approach to analyze the role of human activities in perturbing carbon cycling by quantifying changes in different reservoirs and fluxes of carbon with emphasis on the anthropogenic activities, especially after the industrial revolution. It covers the role of different mitigation options – natural ecological, engineered, and geoengineered processes as well as the emerging field of climate engineering in avoiding dangerous abrupt climate change. Although the targeted audience is the educators, students, researchers and scientific community, the simplified analysis and synthesis of current and up to date scientific literature makes the volume easier to understand and a tool policy makers can use to make an informed policy decisions.
Author : Scoresby Shepherd
Publisher : CSIRO PUBLISHING
ISBN 13 : 1486300103
Total Pages : 521 pages
Book Rating : 4.4/5 (863 download)
Download or read book Ecology of Australian Temperate Reefs written by Scoresby Shepherd and published by CSIRO PUBLISHING. This book was released on 2013-10-23 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes the ecology of important elements of southern Australian sub-tidal reef flora and fauna, and the underlying ecological principles.
Author : Henk A. Dijkstra
Publisher : Springer Science & Business Media
ISBN 13 : 9401594503
Total Pages : 469 pages
Book Rating : 4.4/5 (15 download)
Download or read book Nonlinear Physical Oceanography written by Henk A. Dijkstra and published by Springer Science & Business Media. This book was released on 2013-04-18 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, the methodology of dynamical systems theory is applied to investigate the physics of the global ocean circulation. Topics include the dynamics of the Gulf Stream in the Atlantic Ocean, the stability of the thermohaline circulation and the El Niño/Southern Oscillation phenomenon in the Tropical Pacific. On the other hand, the book also deals with the numerical methods for applying bifurcation analysis on large dimensional dynamical systems, with thousands or more degrees of freedom, which arise through discretization of ocean models. The novel approach in understanding the phenomena of climate variability is through a systematic analysis within a hierarchy of models using these techniques. In this way, a nice overview is obtained of the relations between the results of the different models within the hierarchy. Mechanistic description of the physics of the results is provided and, where possible, links with results of state-of-the-art models and observations are sought. The reader is expected to have a background in basic incompressible fluid dynamics and applied mathematics, although the level of the text is mixed and sometimes quite introductory. Each chapter is rather self-contained and many details of derivations are provided. The book is aimed at graduate students and researchers in meteorology, oceanography, and related fields who are interested in tackling fundamental problems in dynamical oceanography and climate dynamics.
Author : William E. N. Austin
Publisher : Geological Society of London
ISBN 13 : 9781862392571
Total Pages : 206 pages
Book Rating : 4.3/5 (925 download)
Download or read book Biogeochemical Controls on Palaeoceanographic Environmental Proxies written by William E. N. Austin and published by Geological Society of London. This book was released on 2008 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of our information about the evolution of Earth's ocean-climate system comes from the analysis of sediments laid down in the past. For example, the microfossil assemblage reflects the temperature, salinity and nutrient abundance of the water in which the organisms lived, while the chemical and isotopic composition of biogenic carbonates may be used to reconstruct past variations in the operation of the carbon cycle, as well as changes in ocean circulation. Nevertheless, understanding the link between these sediment variables (or 'proxies') and environmental conditions is not straightforward. This volume adopts a novel approach by bringing together palaeontologists, geochemists and palaeoceanographers, who contribute evidence that is required to better constrain these proxies. Topics include: (i) processes of biomineralization, and their effect on the chemical and isotopic composition of different organisms; (ii) proxy validation, including field, laboratory and theoretical studies; (iii) the links between modern and fossil organisms
Author : R. Stein
Publisher : Elsevier
ISBN 13 : 0080558852
Total Pages : 607 pages
Book Rating : 4.0/5 (85 download)
Download or read book Arctic Ocean Sediments: Processes, Proxies, and Paleoenvironment written by R. Stein and published by Elsevier. This book was released on 2008-07-22 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although it is generally accepted that the Arctic Ocean is a very sensitive and important region for changes in the global climate, this region is the last major physiographic province of the earth whose short-and long-term geological history is much less known in comparison to other ocean regions. This lack of knowledge is mainly caused by the major technological/logistic problems in reaching this harsh, ice-covered region with normal research vessels and in retrieving long and undisturbed sediment cores. During the the last about 20 years, however, several international and multidisciplinary ship expeditions, including the first scientific drilling on Lomonosov Ridge in 2004, a break-through in Arctic research, were carried out into the central Artic and its surrounding shelf seas. Results from these expeditions have greatly advanced our knowledge on Arctic Ocean paleoenvironments. Published syntheses about the knowledge on Arctic Ocean geology, on the other hand, are based on data available prior to 1990. A comprehensive compilation of data on Arctic Ocean paleoenvironment and its short-and long-term variability based on the huge amount of new data including the ACEX drilling data, has not been available yet. With this book, presenting (1) detailed information on glacio-marine sedimentary processes and geological proxies used for paleoenvironmental reconstructions, and (2) detailed geological data on modern environments, Quaternary variability on different time scales as well as the long-term climate history during Mesozoic-Tertiary times, this gap in knowledge will be filled. *Aimed at specialists and graduates *Presents background research, recent developments, and future trends *Written by a leading scholar and industry expert
Author : H. Huneke
Publisher : Elsevier
ISBN 13 : 0444530002
Total Pages : 865 pages
Book Rating : 4.4/5 (445 download)
Download or read book Deep-Sea Sediments written by H. Huneke and published by Elsevier. This book was released on 2011-02-08 with total page 865 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'Deep-Sea Sediments' focuses on the sedimentary processes operating within the various modern and ancient deep-sea environments. The chapters track the way of sedimentary particles from continental erosion or production in the marine realm, to transport into the deep sea, to final deposition on the sea floor.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309209153
Total Pages : 153 pages
Book Rating : 4.3/5 (92 download)
Download or read book Understanding Earth's Deep Past written by National Research Council and published by National Academies Press. This book was released on 2011-09-02 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Martin Bell
Publisher : Routledge
ISBN 13 : 1317904796
Total Pages : 377 pages
Book Rating : 4.3/5 (179 download)
Download or read book Late Quaternary Environmental Change written by Martin Bell and published by Routledge. This book was released on 2014-07-10 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Late Quaternary Environmental Change addresses the interaction between human agency and other environmental factors in the landscapes, particularly of the temperate zone. Taking an ecological approach, the authors cover the last 20,000 years during which the climate has shifted from arctic severity to the conditions of the present interglacial environment.
Author : Roger-Maurice Bonnet
Publisher : Springer Science & Business Media
ISBN 13 : 0387746358
Total Pages : 422 pages
Book Rating : 4.3/5 (877 download)
Download or read book Surviving 1000 Centuries written by Roger-Maurice Bonnet and published by Springer Science & Business Media. This book was released on 2010-04-02 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: The circumstances that will shape the long-term future of our planet will be constrained by what is physically possible and what is not. This full color book provides a quantitative view of our civilization over the next 100,000 years, in comparison to the 40-60,000 years it took for modern humans to emerge from Africa, on the basis of contemporary scientific and technological knowledge. The evolution of the Earth’s atmosphere and the origin of water are highlighted as the most important factors for the emergence and the development of life. The authors consider both cosmic and natural hazards, pointing out that scientific information provided by satellites and communication systems on the ground could prevent many unnecessary casualties by forward planning and the installation of elementary precautions. The Earth’s evolving climate is considered, showing how greenhouse gases have played an important role in the past climate, whereas human industrial and agricultural emissions will greatly impact our future.
Author : Stephen J. Mackwell
Publisher : University of Arizona Press
ISBN 13 : 0816599750
Total Pages : 1699 pages
Book Rating : 4.8/5 (165 download)
Download or read book Comparative Climatology of Terrestrial Planets written by Stephen J. Mackwell and published by University of Arizona Press. This book was released on 2014-01-25 with total page 1699 pages. Available in PDF, EPUB and Kindle. Book excerpt: The early development of life, a fundamental question for humankind, requires the presence of a suitable planetary climate. Our understanding of how habitable planets come to be begins with the worlds closest to home. Venus, Earth, and Mars differ only modestly in their mass and distance from the Sun, yet their current climates could scarcely be more divergent. Only Earth has abundant liquid water, Venus has a runaway greenhouse, and evidence for life-supporting conditions on Mars points to a bygone era. In addition, an Earth-like hydrologic cycle has been revealed in a surprising place: Saturn’s cloud-covered satellite Titan has liquid hydrocarbon rain, lakes, and river networks. Deducing the initial conditions for these diverse worlds and unraveling how and why they diverged to their current climates is a challenge at the forefront of planetary science. Through the contributions of more than sixty leading experts in the field, Comparative Climatology of Terrestrial Planets sets forth the foundations for this emerging new science and brings the reader to the forefront of our current understanding of atmospheric formation and climate evolution. Particular emphasis is given to surface-atmosphere interactions, evolving stellar flux, mantle processes, photochemistry, and interactions with the interplanetary environment, all of which influence the climatology of terrestrial planets. From this cornerstone, both current professionals and most especially new students are brought to the threshold, enabling the next generation of new advances in our own solar system and beyond. Contents Part I: Foundations Jim Hansen Mark Bullock Scot Rafkin Caitlin Griffith Shawn Domagal-Goldman and Antigona Segura Kevin Zahnle Part II: The Greenhouse Effect and Atmospheric Dynamics Curt Covey G. Schubert and J. Mitchell Tim Dowling Francois Forget and Sebastien Lebonnois Vladimir Krasnopolsky Adam Showman Part III: Clouds, Hazes, and Precipitation Larry Esposito A. Määttänen, K. Pérot, F. Montmessin, and A. Hauchecorne Nilton Renno Zibi Turtle Mark Marley Part IV: Surface-Atmosphere Interactions Colin Goldblatt Teresa Segura et al. John Grotzinger Adrian Lenardic D. A. Brain, F. Leblanc, J. G. Luhmann, T. E. Moore, and F. Tian Part V: Solar Influences on Planetary Climate Aaron Zent Jerry Harder F. Tian, E. Chassefiere, F. Leblanc, and D. Brain David Des Marais
