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Author :
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (3 download)
Download or read book Antarctic Journal of the United States written by and published by . This book was released on 1997 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew Charles Long
Publisher : Stanford University
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.F/5 ( download)
Download or read book Upper Ocean Physical and Ecological Dynamics in the Ross Sea, Antarctica written by Matthew Charles Long and published by Stanford University. This book was released on 2010 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation examines several aspects of the unique physical-biological system that controls biogeochemical cycling in the Ross Sea, the largest continental shelf sea along the Antarctic margin and the most biologically productive region in the Southern Ocean. The core component of the research involves interpretation of data from two oceanographic cruises to the region, one during Summer of 2005--2006 and another in Spring of 2006--2007. Four key research questions are addressed. (1) What physical mechanisms force spatial and temporal variability in mixing depths? (2) How does the dynamic physical environment characteristic of Antarctic continental shelf seas structure distributions of biomass and chemical tracers of production? (3) What key physical and physiological mechanisms control the 13C/12C ratio of organic and inorganic carbon in waters on the Ross Sea continental shelf? and (4) How do physiological variables interact with environmental variability to control phytoplankton taxonomic zonation? Chapter 1 presents an introduction to ocean carbon biogeochemistry and the oceanography of the Southern Ocean and the Ross Sea. Chapter 2 examines the mechanisms effecting early season stratification in the Ross Sea. Lateral advection in the region of upper ocean fronts is shown to be an important mechanism setting early season stratification. Chapter 3 examines several tracer-based methods for estimating upper ocean net community production in the Ross Sea, with explicit recognition of the complexities associated with control volume assumptions and high rates of temporal change. Chapter 4 considers the environmental controls on the distribution of 13C/12C ratios in the Ross Sea. It is shown quantitatively that the two dominant phytoplankton taxa in the Ross Sea have different intrinsic fractionation factors, likely as a result of differing carbon-acquisition physiologies. Air-sea exchange is shown to occur with very noisy fractionation. Finally, Chapter 5 examines the interaction of algal physiology with environmental variability, addressing the key physiological-environmental controls on the taxonomic distribution of phytoplankton in the Ross Sea. While it is difficult to draw concrete conclusions, the most compelling line of evidence suggests that differing photoprotective capacities is the most important physiological characteristic structuring taxonomic distributions. An appendix presents a design for an infrared absorbance-based instrument for the determination of total dissolved inorganic carbon in seawater.
Author : Walker O. Smith Jr.
Publisher : Elsevier
ISBN 13 : 0080522939
Total Pages : 475 pages
Book Rating : 4.0/5 (85 download)
Download or read book Polynyas: Windows to the World written by Walker O. Smith Jr. and published by Elsevier. This book was released on 2007-07-09 with total page 475 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approx.474 pagesApprox.474 pages
Author : F.M. Faranda
Publisher : Springer Science & Business Media
ISBN 13 : 364259607X
Total Pages : 594 pages
Book Rating : 4.6/5 (425 download)
Download or read book Ross Sea Ecology written by F.M. Faranda and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Antarctic represents the last of the world's still unexplored continents. Since 1985, Italy has sent 10 expeditions to this region, three of those have been exclusively devoted to research on the marine ecology of the Ross Sea region. This volume presents a global picture of this research. It includes contributions on water mass characteristics, particulate organic matter and nutrient utilization, and physiological aspects of primary production. Further topics are zooplankton, krill and top predator interactions in relation to physical and biological parameters, ecological features of coastal fish communities and the spatio-temporal variability of benthic biocenoses.
Author : Kristina Dee Anne Mojica
Publisher : Frontiers Media SA
ISBN 13 : 288971652X
Total Pages : 314 pages
Book Rating : 4.8/5 (897 download)
Download or read book Unraveling Mechanisms Underlying Annual Plankton Blooms in the North Atlantic and Their Implications for Biogenic Aerosol Properties and Cloud Formation written by Kristina Dee Anne Mojica and published by Frontiers Media SA. This book was released on 2021-11-23 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dennis A. Hansell
Publisher : Elsevier
ISBN 13 : 0443138591
Total Pages : 870 pages
Book Rating : 4.4/5 (431 download)
Download or read book Biogeochemistry of Marine Dissolved Organic Matter written by Dennis A. Hansell and published by Elsevier. This book was released on 2024-07-04 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biogeochemistry of Marine Dissolved Organic Matter, 3rd edition is the most up-to-date revision of the fundamental reference for the biogeochemistry of marine dissolved organic matter. Since its original publication in June 2002, the science, questions, and priorities have advanced, and the editors of this essential guide, have added nine new chapters, including one on the South China Sea. An indispensable manual edited by the most distinguished experts in the field, this book is addressed to graduate students, marine scientists, and all professionals interested in advancing their knowledge of the field. - Features up-to-date knowledge on DOM, including 9 new chapters - Presents the only published work to synthesize recent research on dissolved organic carbon in the South China Sea, a region receiving a great deal of attention in recent decades - Offers contributions by world-class research leaders
Author : M.A. van Leeuwe
Publisher : Springer Science & Business Media
ISBN 13 : 1402062141
Total Pages : 328 pages
Book Rating : 4.4/5 (2 download)
Download or read book Phaeocystis, major link in the biogeochemical cycling of climate-relevant elements written by M.A. van Leeuwe and published by Springer Science & Business Media. This book was released on 2007-06-24 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume offers a selection of papers presented at the final meeting of Working Group # 120 "Phaeocystis, major link in the biogeochemical cycling of climate-relevant elements", of the Scientific Committee on Oceanic Research (SCOR). It features papers by various top authors in the field, covering topics that reach from the organism level to ecosystem dynamics. It also includes a synthesis of all the presentations of the meeting.
Author : Giacomo R. DiTullio
Publisher : American Geophysical Union
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (318 download)
Download or read book Biogeochemistry of the Ross Sea written by Giacomo R. DiTullio and published by American Geophysical Union. This book was released on 2003-01-10 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Antarctic Research Series, Volume 78. The seas surrounding Antarctica are the least-studied on Earth, yet they figure prominently in both the global climate system and the biogeochemical cycling of such key elements as C, N, Si, and P. The Southern Ocean affects climate directly through the sinking of surface waters via cooling and changes in salt content. Such water near Antarctica moves slowly northward through all major ocean basins. In doing so, it retains a long-lived signature of the physical and biological processes that occurred in Antarctic surface waters lasting many hundreds of years through all phases: sinking, northward flow, and mixing or upwelling into the sunlit ocean thousands of kilometers away. By this process, CO2 that dissolves into the Antarctic seas may be stored in the deep ocean for centuries. In fact, the Southern Ocean is one of the most important regions on Earth for the uptake and subsurface transport of fossil fuel CO2.
Author : A. Murat Eren
Publisher : Frontiers Media SA
ISBN 13 : 2889199886
Total Pages : 135 pages
Book Rating : 4.8/5 (891 download)
Download or read book New Insights into Microbial Ecology through Subtle Nucleotide Variation written by A. Murat Eren and published by Frontiers Media SA. This book was released on 2016-10-26 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 16S ribosomal RNA gene commonly serves as a molecular marker for investigating microbial community composition and structure. Vast amounts of 16S rRNA amplicon data generated from environmental samples thanks to the recent advances in sequencing technologies allowed microbial ecologists to explore microbial community dynamics over temporal and spatial scales deeper than ever before. However, widely used methods for the analysis of bacterial communities generally ignore subtle nucleotide variations among high-throughput sequencing reads and often fail to resolve ecologically meaningful differences between closely related organisms in complex microbial datasets. Lack of proper partitioning of the sequencing data into relevant units often masks important ecological patterns. Our research topic contains articles that use oligotyping to demonstrate the importantance of high-resolution analyses of marker gene data, and providides further evidence why microbial ecologists should open the "black box" of OTUs identified through arbitrary sequence similarity thresholds.
Author : David N. Thomas
Publisher : John Wiley & Sons
ISBN 13 : 1118778383
Total Pages : 666 pages
Book Rating : 4.1/5 (187 download)
Download or read book Sea Ice written by David N. Thomas and published by John Wiley & Sons. This book was released on 2017-03-06 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 20 years the study of the frozen Arctic and Southern Oceans and sub-arctic seas has progressed at a remarkable pace. This third edition of Sea Ice gives insight into the very latest understanding of the how sea ice is formed, how we measure (and model) its extent, the biology that lives within and associated with sea ice and the effect of climate change on its distribution. How sea ice influences the oceanography of underlying waters and the influences that sea ice has on humans living in Arctic regions are also discussed. Featuring twelve new chapters, this edition follows two previous editions (2001 and 2010), and the need for this latest update exhibits just how rapidly the science of sea ice is developing. The 27 chapters are written by a team of more than 50 of the worlds’ leading experts in their fields. These combine to make the book the most comprehensive introduction to the physics, chemistry, biology and geology of sea ice that there is. This third edition of Sea Ice will be a key resource for all policy makers, researchers and students who work with the frozen oceans and seas.
Author : David N. Thomas
Publisher : John Wiley & Sons
ISBN 13 : 1118778367
Total Pages : 667 pages
Book Rating : 4.1/5 (187 download)
Download or read book Sea Ice written by David N. Thomas and published by John Wiley & Sons. This book was released on 2016-12-27 with total page 667 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past 20 years the study of the frozen Arctic and Southern Oceans and sub-arctic seas has progressed at a remarkable pace. This third edition of Sea Ice gives insight into the very latest understanding of the how sea ice is formed, how we measure (and model) its extent, the biology that lives within and associated with sea ice and the effect of climate change on its distribution. How sea ice influences the oceanography of underlying waters and the influences that sea ice has on humans living in Arctic regions are also discussed. Featuring twelve new chapters, this edition follows two previous editions (2001 and 2010), and the need for this latest update exhibits just how rapidly the science of sea ice is developing. The 27 chapters are written by a team of more than 50 of the worlds’ leading experts in their fields. These combine to make the book the most comprehensive introduction to the physics, chemistry, biology and geology of sea ice that there is. This third edition of Sea Ice will be a key resource for all policy makers, researchers and students who work with the frozen oceans and seas.
Author : Peter T. Harris
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (318 download)
Download or read book Recent Investigations of the Mertz Polynya and George Vth Land Continental Margin, East Antarctica written by Peter T. Harris and published by . This book was released on 2003 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Julie Dinasquet
Publisher : Frontiers Media SA
ISBN 13 : 2889455130
Total Pages : 315 pages
Book Rating : 4.8/5 (894 download)
Download or read book Microbiology of the Rapidly Changing Polar Environments written by Julie Dinasquet and published by Frontiers Media SA. This book was released on 2018-07-05 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: Marine and freshwater polar environments are characterized by intense physical forces and strong seasonal variations. The persistent cold and sometimes inhospitable conditions create unique ecosystems and habitats for microbial life. Polar microbial communities are diverse productive assemblages, which drive biogeochemical cycles and support higher food-webs across the Arctic and over much of the Antarctic. Recent studies on the biogeography of microbial species have revealed phylogenetically diverse polar ecotypes, suggesting adaptation to seasonal darkness, sea-ice coverage and high summer irradiance. Because of the diversity of habitats related to atmospheric and oceanic circulation, and the formation and melting of ice, high latitude oceans and lakes are ideal environments to investigate composition and functionality of microbial communities. In addition, polar regions are responding more dramatically to climate change compared to temperate environments and there is an urgent need to identify sensitive indicators of ecosystem history, that may be sentinels for change or adaptation. For instance, Antarctic lakes provide useful model systems to study microbial evolution and climate history. Hence, it becomes essential and timely to better understand factors controlling the microbes, and how, in turn, they may affect the functioning of these fragile ecosystems. Polar microbiology is an expanding field of research with exciting possibilities to provide new insights into microbial ecology and evolution. With this Research Topic we seek to bring together polar microbiologists studying different aquatic systems and components of the microbial food web, to stimulate discussion and reflect on these sensitive environments in a changing world perspective.
Author : Jerry D. Wiggert
Publisher : John Wiley & Sons
ISBN 13 : 111867166X
Total Pages : 1037 pages
Book Rating : 4.1/5 (186 download)
Download or read book Indian Ocean Biogeochemical Processes and Ecological Variability written by Jerry D. Wiggert and published by John Wiley & Sons. This book was released on 2013-05-09 with total page 1037 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 185. Indian Ocean Biogeochemical Processes and Ecological Variability provides a synthesis of current knowledge on Indian Ocean biogeochemistry and ecology and an introduction to new concepts and topical paradigm challenges. It also reports on the development of more extensive/frequent observational capacity being deployed in the Indian Ocean. This represents the first collection of syntheses that emphasize a basin-wide perspective, and the contributing authors include some of the most esteemed oceanographers and Indian Ocean experts in the world. The volume is derived from invited plenary talks that were presented at the initial Sustained Indian Ocean Biogeochemistry and Ecosystem Research (SIBER) workshop held at the National Institute of Oceanography (NIO) in Goa, India, in October 2006. The volume discusses The overlying physical processes set by monsoonal forcing and how these control biological production and variability Nutrient cycling and limitation Pelagic carbon cycling and air-sea exchange Benthic biogeochemistry and ecology The impact of climate and human activities on biogeochemistry and ecosystems. The readership for this book will consist of academic and governmental researchers interested in exploring how oceanographic, atmospheric, and hydrological processes combine to establish the environmental setting that supports and drives the pelagic system and which are especially relevant to understanding the complex biogeochemical and ecological interactions in the Indian Ocean.
Author :
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.E/5 ( download)
Download or read book Report written by and published by . This book was released on 2001 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Clarke
Publisher :
ISBN 13 :
Total Pages : 358 pages
Book Rating : 4.:/5 (318 download)
Download or read book EASIZ written by A. Clarke and published by . This book was released on 2006 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alex D. Rogers
Publisher : John Wiley & Sons
ISBN 13 : 1444347225
Total Pages : 585 pages
Book Rating : 4.4/5 (443 download)
Download or read book Antarctic Ecosystems written by Alex D. Rogers and published by John Wiley & Sons. This book was released on 2012-02-28 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its discovery Antarctica has held a deep fascination for biologists. Extreme environmental conditions, seasonality and isolation have lead to some of the most striking examples of natural selection and adaptation on Earth. Paradoxically, some of these adaptations may pose constraints on the ability of the Antarctic biota to respond to climate change. Parts of Antarctica are showing some of the largest changes in temperature and other environmental conditions in the world. In this volume, published in association with the Royal Society, leading polar scientists present a synthesis of the latest research on the biological systems in Antarctica, covering organisms from microbes to vertebrate higher predators. This book comes at a time when new technologies and approaches allow the implications of climate change and other direct human impacts on Antarctica to be viewed at a range of scales; across entire regions, whole ecosystems and down to the level of species and variation within their genomes. Chapters address both Antarctic terrestrial and marine ecosystems, and the scientific and management challenges of the future are explored.
