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Biogeochemistry Of Marine Dissolved Organic Matter

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Biogeochemistry of Marine Dissolved Organic Matter

Biogeochemistry of Marine Dissolved Organic Matter Book
Author : Dennis A. Hansell,Craig A. Carlson
Publisher : Academic Press
Release : 2014-10-02
ISBN : 0124071538
Language : En, Es, Fr & De

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Book Description :

Marine dissolved organic matter (DOM) is a complex mixture of molecules found throughout the world's oceans. It plays a key role in the export, distribution, and sequestration of carbon in the oceanic water column, posited to be a source of atmospheric climate regulation. Biogeochemistry of Marine Dissolved Organic Matter, Second Edition, focuses on the chemical constituents of DOM and its biogeochemical, biological, and ecological significance in the global ocean, and provides a single, unique source for the references, information, and informed judgments of the community of marine biogeochemists. Presented by some of the world's leading scientists, this revised edition reports on the major advances in this area and includes new chapters covering the role of DOM in ancient ocean carbon cycles, the long term stability of marine DOM, the biophysical dynamics of DOM, fluvial DOM qualities and fate, and the Mediterranean Sea. Biogeochemistry of Marine Dissolved Organic Matter, Second Edition, is an extremely useful resource that helps people interested in the largest pool of active carbon on the planet (DOC) get a firm grounding on the general paradigms and many of the relevant references on this topic. Features up-to-date knowledge of DOM, including five new chapters The only published work to synthesize recent research on dissolved organic carbon in the Mediterranean Sea Includes chapters that address inputs from freshwater terrestrial DOM

Biogeochemistry of Marine Dissolved Organic Matter

Biogeochemistry of Marine Dissolved Organic Matter Book
Author : Oliver J. Lechtenfeld
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Biogeochemistry of Marine Dissolved Organic Matter book written by Oliver J. Lechtenfeld, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Biogeochemistry of Marine Dissolved Organic Matter

Biogeochemistry of Marine Dissolved Organic Matter Book
Author : Oliver J. Lechtenfeld
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Biogeochemistry of Marine Dissolved Organic Matter book written by Oliver J. Lechtenfeld, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Current Topics in Marine Organic Biogeochemical Research

Current Topics in Marine Organic Biogeochemical Research Book
Author : Carol Arnosti,Thorsten Dittmar,Kai-Uwe Hinrichs,Cindy Lee,Stuart Wakeham
Publisher : Frontiers Media SA
Release : 2021-02-25
ISBN : 2889664643
Language : En, Es, Fr & De

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Book Description :

Download Current Topics in Marine Organic Biogeochemical Research book written by Carol Arnosti,Thorsten Dittmar,Kai-Uwe Hinrichs,Cindy Lee,Stuart Wakeham, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Photobiogeochemistry of Organic Matter

Photobiogeochemistry of Organic Matter Book
Author : Khan M.G. Mostofa,Takahito Yoshioka,Abdul Mottaleb,Davide Vione
Publisher : Springer Science & Business Media
Release : 2012-12-15
ISBN : 3642322239
Language : En, Es, Fr & De

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Book Description :

Photoinduced processes, caused by natural sunlight, are key functions for sustaining all living organisms through production and transformation of organic matter (OM) in the biosphere. Production of hydrogen peroxide (H2O2) from OM is a primary step of photoinduced processes, because H2O2 acts as strong reductant and oxidant. It is potentially important in many aquatic reactions, also in association with photosynthesis. Allochthonous and autochthonous dissolved organic matter (DOM) can be involved into several photoinduced or biological processes. DOM subsequently undergoes several physical, chemical, photoinduced and biological processes, which can be affected by global warming. This book is uniquely structured to overview some vital issues, such as: DOM; H2O2 and ROOH; HO•; Degradation of DOM; CDOM, FDOM; Photosynthesis; Chlorophyll; Metal complexation, and Global warming, as well as their mutual interrelationships, based on updated scientific results.

Linking Optical and Chemical Properties of Dissolved Organic Matter in Natural Waters

Linking Optical and Chemical Properties of Dissolved Organic Matter in Natural Waters Book
Author : Christopher L. Osburn,Thomas S. Bianchi
Publisher : Frontiers Media SA
Release : 2017-01-17
ISBN : 2889450813
Language : En, Es, Fr & De

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Book Description :

A substantial increase in the number of studies using the optical properties (absorbance and fluorescence) of dissolved organic matter (DOM) as a proxy for its chemical properties in estuaries and the coastal and open ocean has occurred during the last decade. We are making progress on finding the actual chemical compounds or phenomena responsible for DOM’s optical properties. Ultrahigh resolution mass spectrometry, in particular, has made important progress in making the key connections between optics and chemistry. But serious questions remain and the last major special issue on DOM optics and chemistry occurred nearly 10 years ago. Controversies remain from the non-specific optical properties of DOM that are not linked to discrete sources, and sometimes provide conflicting information. The use of optics, which is relatively easier to employ in synoptic and high resolution sampling to determine chemistry, is a critical connection to make and can lead to major advances in our understanding of organic matter cycling in all aquatic ecosystems. The contentions and controversies raised by our poor understanding of the linkages between optics and chemistry of DOM are bottlenecks that need to be addressed and overcome.

Radiocarbon and Climate Change

Radiocarbon and Climate Change Book
Author : Edward A.G. Schuur,Ellen R.M. Druffel,Susan E. Trumbore
Publisher : Springer
Release : 2016-05-17
ISBN : 3319256432
Language : En, Es, Fr & De

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Book Description :

This book is a useful guide for researchers in ecology and earth science interested in the use of accelerator mass spectrometry technology. The development of research in radiocarbon measurements offers an opportunity to address the human impact on global carbon cycling and climate change. Presenting radiocarbon theory, history, applications, and analytical techniques in one volume builds a broad outline of the field of radiocarbon and its emergent role in defining changes in the global carbon cycle and links to climate change. Each chapter presents both classic and cutting-edge studies from different disciplines involving radiocarbon and carbon cycling. The book also includes a chapter on the history and discovery of radiocarbon, and advances in radiocarbon measurement techniques and radiocarbon theory. Understanding human alteration of the global carbon cycle and the link between atmospheric carbon dioxide levels and climate remains one of the foremost environmental problems at the interface of ecology and earth system science. Many people are familiar with the terms ‘global warming’ and ‘climate change’, but fewer are able to articulate the science that support these hypotheses. This book addresses general questions such as: what is the link between the carbon cycle and climate change; what is the current evidence for the fate of carbon dioxide added by human activities to the atmosphere, and what has caused past changes in atmospheric carbon dioxide? How can the radiocarbon and stable isotopes of carbon combined with other tools be used for quantifying the human impact on the global carbon cycle?

Practical Guidelines for the Analysis of Seawater

Practical Guidelines for the Analysis of Seawater Book
Author : Oliver Wurl
Publisher : CRC Press
Release : 2009-06-09
ISBN : 9781420073072
Language : En, Es, Fr & De

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Book Description :

As we discover more about the role of the ocean in global changes and identify the effects of global change on the ocean, understanding its chemical composition and processes becomes increasingly paramount. However, understanding these processes requires a wide range of measurements in the vast ocean, from the sea surface to deep-ocean trenches, from the tropics to the poles. Practical Guidelines for the Analysis of Seawater provides a common analytical basis for generating quality-assured and reliable data on chemical parameters in the ocean. A source of practical know-how, the book covers sampling and storage, analytical methodology, and guidelines and procedures for quality assurance. It presents analytical methods with the step-by-step procedures that help practitioners implement these methods successfully into the laboratory, making them instantly applicable without consulting further literature. The book also contains essential information for developing or improving quality control and quality assurance programs in the laboratory. It includes the availability and measurement of standard reference materials, blank estimation and correction, control of recoveries, and statistical evaluation of quality assurance data. Analytical chemistry is a very active and fast moving area. Despite the development of innovative new analytical techniques for chemical trace element research, obtaining reliable data at ultra-trace levels remains a formidable challenge. A complete and practical guide, this book delineates proven methods that consistently yield reproducible data in routine work.

Nitrogen in the Marine Environment

Nitrogen in the Marine Environment Book
Author : Douglas G. Capone,Deborah A. Bronk,Margaret R. Mulholland,Edward J. Carpenter
Publisher : Academic Press
Release : 2008-09-01
ISBN : 0123725224
Language : En, Es, Fr & De

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Book Description :

Since the first edition of Nitrogen in the Marine Environment was published in 1983, it has been recognized as the standard in the field. In the time since the book first appeared, there has been tremendous growth in the field with unprecedented discoveries over the past decade that have fundamentally changed the view of the marine nitrogen cycle. As a result, this Second Edition contains twice the amount of information that the first edition contained. This updated edition is now available online, offering searchability and instant, multi-user access to this important information. *The classic text, fully updated to reflect the rapid pace of discovery *Provides researchers and students in oceanography, chemistry, and marine ecology an understanding of the marine nitrogen cycle *Available online with easy access and search - the information you need, when you need it

Indian Ocean Biogeochemical Processes and Ecological Variability

Indian Ocean Biogeochemical Processes and Ecological Variability Book
Author : Jerry D. Wiggert,Raleigh R. Hood,S. Wajih A. Naqvi,Kenneth H. Brink,Sharon L. Smith
Publisher : John Wiley & Sons
Release : 2013-05-09
ISBN : 111867166X
Language : En, Es, Fr & De

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Book Description :

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.

Ocean Biogeochemical Dynamics

Ocean Biogeochemical Dynamics Book
Author : Jorge L. Sarmiento
Publisher : Princeton University Press
Release : 2013-07-17
ISBN : 1400849071
Language : En, Es, Fr & De

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Book Description :

Ocean Biogeochemical Dynamics provides a broad theoretical framework upon which graduate students and upper-level undergraduates can formulate an understanding of the processes that control the mean concentration and distribution of biologically utilized elements and compounds in the ocean. Though it is written as a textbook, it will also be of interest to more advanced scientists as a wide-ranging synthesis of our present understanding of ocean biogeochemical processes. The first two chapters of the book provide an introductory overview of biogeochemical and physical oceanography. The next four chapters concentrate on processes at the air-sea interface, the production of organic matter in the upper ocean, the remineralization of organic matter in the water column, and the processing of organic matter in the sediments. The focus of these chapters is on analyzing the cycles of organic carbon, oxygen, and nutrients. The next three chapters round out the authors' coverage of ocean biogeochemical cycles with discussions of silica, dissolved inorganic carbon and alkalinity, and CaCO3. The final chapter discusses applications of ocean biogeochemistry to our understanding of the role of the ocean carbon cycle in interannual to decadal variability, paleoclimatology, and the anthropogenic carbon budget. The problem sets included at the end of each chapter encourage students to ask critical questions in this exciting new field. While much of the approach is mathematical, the math is at a level that should be accessible to students with a year or two of college level mathematics and/or physics.

Aquatic Ecosystems

Aquatic Ecosystems Book
Author : Stuart Findlay,Robert L. Sinsabaugh
Publisher : Academic Press
Release : 2003
ISBN : 0122563719
Language : En, Es, Fr & De

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Book Description :

Aquatic Ecosystems explains the interplay between various movements of matter and energy through ecosystems mediated by Dissolved Organic Matter. This book provides information on how much DOM there is in a particular aquatic ecosystem and where it originates. It explains whether the DOM composition varies from time to time and place to place. It also details how DOM becomes incorporated into microbial food webs, and gives a better, clarifying, understanding to its significance of DOM. Dissolved Organic Matter (called DOM) is incredibly important in all aquatic ecosystems. Although it might seem that logs and leaves are more important, in fact the DOM is more crucial because the DOM is in a form that is available for use by all the organisms living in the the water. Furthermore, DOM influences complex food webs by mediating the availability of aquatic nutrients, metals, salts and minerals. DOM also affects water clarity, which of course has alters the way animals and plants live and feed in the water. There are many ways to study DOM and this book focuses on several central questions. How much DOM is there in a particular aquatic ecosytem? Where does it come from? Does the composition of the DOM vary from time to time and place to palce? How does DOM become incorporated into microbial food webs, which are the basis of plant, invertebrate and vertebrate food webs? How can the answers to these and other questions about DOM be considered together so that a better understanding of the significance of DOM can emerge?

Integrative Research on Organic Matter Cycling Across Aquatic Gradients 2nd Edition

Integrative Research on Organic Matter Cycling Across Aquatic Gradients  2nd Edition Book
Author : Nicholas D. Ward,Thomas S. Bianchi,Patricia M. Medeiros,Michael Seidel,Richard G. Keil,Carol Robinson
Publisher : Frontiers Media SA
Release : 2020-12-08
ISBN : 2889661547
Language : En, Es, Fr & De

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Book Description :

The goal of this research topic was to motivate innovative research that blurs traditional disciplinary and geographical boundaries. As the scientific community continues to gain momentum and knowledge about how the natural world functions, it is increasingly important that we recognize the interconnected nature of earth systems and embrace the complexities of ecosystem transitions. We are pleased to present this body of work, which embodies the spirit of research spanning across the terrestrial-aquatic continuum, from mountains to the sea. Publisher’s note: In this 2nd edition, the following article has been updated: Sawakuchi HO, Neu V, Ward ND, Barros MdLC, Valerio AM, Gagne-Maynard W, Cunha AC, Less DFS, Diniz JEM, Brito DC, Krusche AV and Richey JE (2017) Carbon Dioxide Emissions along the Lower Amazon River. Front. Mar. Sci. 4:76. doi: 10.3389/fmars.2017.00076

Outstanding Topics in Ocean Optics

Outstanding Topics in Ocean Optics Book
Author : Dariusz Stramski,Hubert Loisel
Publisher : MDPI
Release : 2019-04-23
ISBN : 3038977047
Language : En, Es, Fr & De

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Book Description :

Ocean optics is a branch of oceanography which is firmly embedded in studies of a great variety of ocean science and engineering questions. The interactive nature between radiative transfer of light and various dissolved and particulate constituents of seawater is at the core of ocean optics science and applications. The transfer of radiant solar energy has vital implications to life and climate on Earth, and the large variety of subjects of ocean optics ranges from the subtle problems of physical optics to optical remote sensing towards a better understanding of ocean biology, biogeochemistry and ecosystems and their roles in the Earth's system processes. The intention of this book is to present a collection of papers that generally share a common denominator of frontier topics in ocean optics which are unique, uncommon or outstanding in the literature, and to provide a balanced view of the extraordinary breadth of research in this field. Topics as diverse as measurements and modeling of radiative transfer, light fields, light scattering and polarization, ocean color, benthic optical properties, and the use of optics for characterizing seawater constituents are addressed in this book. The book is expected to be of interest and useful to a broad audience of professional ocean scientists, engineers and advanced students with an interest in ocean optics and applications of optical methods in oceanography.

Introduction to Marine Biogeochemistry

Introduction to Marine Biogeochemistry Book
Author : Susan Libes
Publisher : Academic Press
Release : 2011-08-29
ISBN : 9780080916644
Language : En, Es, Fr & De

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Book Description :

Introduction to Marine Biogeochemistry focuses on the ocean's role in the biogeochemical cycling of selected elements and the impact of humans on the cycling of these elements. Among the topics covered are the chemical composition of seawater from the perspectives of elemental speciation and the impacts of solutes on water's physical behavior; biogeochemical phenomena which control accumulation and preservation of marine sediments; marine chemistry of radioactive and stable isotopes; and seawater pollution. The book contains many examples as well as steady-state models to aid readers in understanding this growing and complex science.. The focus of Introduction to Marine Biogeochemistry is the concept of the ocean as a system, linking land and atmospheric processes The text integrates the most current research, allowing students to learn concepts in context Includes detailed coverage of computational aspects

The Ocean Carbon Cycle and Climate

The Ocean Carbon Cycle and Climate Book
Author : Mick Follows,Temel Oguz
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 1402020872
Language : En, Es, Fr & De

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Book Description :

Our desire to understand the global carbon cycle and its link to the climate system represents a huge challenge. These overarching questions have driven a great deal of scientific endeavour in recent years: What are the basic oceanic mechanisms which control the oceanic carbon reservoirs and the partitioning of carbon between ocean and atmosphere? How do these mechanisms depend on the state of the climate system and how does the carbon cycle feed back on climate? What is the current rate at which fossil fuel carbon dioxide is absorbed by the oceans and how might this change in the future? To begin to answer these questions we must first understand the distribution of carbon in the ocean, its partitioning between different ocean reservoirs (the "solubility" and "biological" pumps of carbon), the mechanisms controlling these reservoirs, and the relationship of the significant physical and biological processes to the physical environment. The recent surveys from the JGOFS and WOCE (Joint Global Ocean Flux Study and World Ocean Circulation Ex periment) programs have given us a first truly global survey of the physical and biogeochemical properties of the ocean. These new, high quality data provide the opportunity to better quantify the present oceans reservoirs of carbon and the changes due to fossil fuel burning. In addition, diverse process studies and time-series observations have clearly revealed the complexity of interactions between nutrient cycles, ecosystems, the carbon-cycle and the physical envi ronment.

Microbial Utilization and Transformation of Dissolved Organic Matter in Aquatic Environments from Streams to the Deep Ocean

Microbial Utilization and Transformation of Dissolved Organic Matter in Aquatic Environments   from Streams to the Deep Ocean Book
Author : Johanna Sjöstedt,Jean-Francois Lapierre,Youhei Yamashita,Federico Baltar
Publisher : Frontiers Media SA
Release : 2021-07-28
ISBN : 2889711021
Language : En, Es, Fr & De

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Book Description :

Download Microbial Utilization and Transformation of Dissolved Organic Matter in Aquatic Environments from Streams to the Deep Ocean book written by Johanna Sjöstedt,Jean-Francois Lapierre,Youhei Yamashita,Federico Baltar, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.