Indian Ocean Radiocarbon
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Indian Ocean Radiocarbon
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Author :
language : en
Publisher:
Release Date : 1991
Indian Ocean Radiocarbon written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Carbon categories.
Coral Radiocarbon Records Of Indian Ocean Water Mass Mixing And Wind Induced Upwelling Along The Coast Of Sumatra Indonesia
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Author :
language : en
Publisher:
Release Date : 2004
Coral Radiocarbon Records Of Indian Ocean Water Mass Mixing And Wind Induced Upwelling Along The Coast Of Sumatra Indonesia written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Radiocarbon (14C) in the skeletal aragonite of annually banded corals track radiocarbon concentrations in dissolved inorganic carbon (DIC) in surface seawater. As a result of nuclear weapons testing in the 1950s, oceanic uptake of excess 14C in the atmosphere has increased the contrast between surface and deep ocean 14C concentrations. We present accelerator mass spectrometric (AMS) measurements of radiocarbon isotope ([Delta]14C) in Porites corals from the Mentawai Islands, Sumatra (0 S, 98 E) and Watamu, Kenya (3 S, 39 E) to document the temporal and spatial evolution of the 14C gradient in the tropical Indian Ocean. The rise in [Delta]14C in the Sumatra coral, in response to the maximum in nuclear weapons testing, is delayed by 2-3 years relative to the rise in coral [Delta]14C from the coast of Kenya. Kenya coral [Delta]14C values rise quickly because surface waters are in prolonged contact with the atmosphere. In contrast, wind-induced upwelling and rapid mixing along the coast of Sumatra entrains 14C-depleted water from the subsurface, which dilutes the effect of the uptake of bomb-laden 14C by the surface-ocean. Bimonthly AMS [Delta]14C measurements on the Mentawai coral reveal mainly interannual variability with minor seasonal variability. The interannual signal may be a response to changes in the Walker circulation, the development of easterly wind anomalies, shoaling of the eastern thermocline, and upwelling of 14C-depleted water along the coast of Sumatra. Singular spectrum analysis of the Sumatra coral [Delta]14C record reveals a significant 3-year periodicity. The results lend support to the concept that ocean atmosphere interactions between the Pacific and Indian Oceans operate in concert with the El Ni{tilde n}o-Southern Oscillation (ENSO).
Indigo 1985 1987
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Author : H. Gote Östlund
language : en
Publisher:
Release Date : 1988
Indigo 1985 1987 written by H. Gote Östlund and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Carbon categories.
Intrabasin Comparison Of Surface Radiocarbon Levels In The Indian Ocean Between Coral Records And Three Dimension Global Ocean Models
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Author :
language : en
Publisher:
Release Date : 2005
Intrabasin Comparison Of Surface Radiocarbon Levels In The Indian Ocean Between Coral Records And Three Dimension Global Ocean Models written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Geosecs Indian Ocean Radiocarbon And Tritium Results Miami
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Author : H. Gote Östlund
language : en
Publisher:
Release Date : 1980
Geosecs Indian Ocean Radiocarbon And Tritium Results Miami written by H. Gote Östlund and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Oceanography categories.
Radiocarbon Dating Of Deep Water Of The Pacific And Indian Oceans
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Author : George S. Bien
language : en
Publisher:
Release Date : 1963
Radiocarbon Dating Of Deep Water Of The Pacific And Indian Oceans written by George S. Bien and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with categories.
Oceanography Of The Indian Ocean
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Author : B. N. Desai
language : en
Publisher: Ashgate Publishing
Release Date : 1992
Oceanography Of The Indian Ocean written by B. N. Desai and has been published by Ashgate Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Oceanography categories.
The Indian Ocean A Perspective
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Author : Rabin Sen Gupta
language : en
Publisher: CRC Press
Release Date : 2001-01-01
The Indian Ocean A Perspective written by Rabin Sen Gupta and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-01-01 with Science categories.
The Indian Ocean represents a part of the global Ocean that has been less studied by modern oceanography than the Atlantic and Pacific parts. This is remarkable, since the Indian Ocean was subject to much historic exploration through navigators from Asia, India, the Middle East and lastly from Europe. This unique, comprehensive reference set on the Indian Ocean, covers all oceanographical aspects with its physics, chemistry, biology and geology in 21 peer-reviewed expert-written chapters. Besides the well-ground basis on the Ocean’s characteristics and a wealth of data, some unique features presented are the monsoon - the biennial reversal of winds and the resultant surface circulation; the tropical and sub-tropical jet streams, namely the Somali current, the Agulhas current and the Leevwin current; the oxygen-poor intermediate waters in its northern part which significantly contribute several green house gases to the atmosphere, for example, carbon dioxide, nitrous oxide, methane and dimethyl sulphide; its exhaustive coral reefs and mangrove vegetation; and the polymetallic nodules at its depths and its other mineral resources. Moreover, an analysis is provided of the anthropogenic contributions and their impacts on the health of the Indian Ocean; and that of estuary environments of important rivers of the 15 littoral countries. Intended for research scientists, professionals and students working in physical, chemical and geological oceanography.
Geosecs Atlantic Pacific Indian And Mediterranean Radiocarbon Data
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Author : H. Gote Östlund
language : en
Publisher:
Release Date : 1988
Geosecs Atlantic Pacific Indian And Mediterranean Radiocarbon Data written by H. Gote Östlund and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Carbon categories.
The Indian Ocean And Its Role In The Global Climate System
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Author : Caroline C. Ummenhofer
language : en
Publisher: Elsevier
Release Date : 2024-04-18
The Indian Ocean And Its Role In The Global Climate System written by Caroline C. Ummenhofer and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-04-18 with Science categories.
The Indian Ocean and its Role in the Global Climate System provides an overview of our contemporary understanding of the Indian Ocean (geology, atmosphere, ocean, hydrology, biogeochemistry) and its role in the climate system. It describes the monsoon systems, Indian Ocean circulation and connections with other ocean basins. Climatic phenomena in the Indian Ocean are detailed across a range of timescales (seasonal, interannual to multi-decadal). Biogeochemical and ecosystem variability is also described. The book will provide a summary of different tools (e.g., observations, modeling, paleoclimate records) that are used for understanding Indian Ocean variability and trends. Recent trends and future projections of the Indian Ocean, including warming, extreme events, ocean acidification and deoxygenation will be detailed. The Indian Ocean is unique and different from other tropical ocean basins due to its geography. It is traditionally under-observed and understudied, yet plays a fundamental role for regional and global climate. The vagaries of the Asian monsoon affect over a billion people and a third of the global population live in the vicinity of the Indian Ocean. It is also particularly vulnerable to climate change, with robust warming and trends in heat and freshwater observed in recent decades. Advances have recently been made in our understanding of the Indian Ocean’s circulation, interactions with adjacent ocean basins, and its role in regional and global climate. Nonetheless, significant gaps remain in understanding, observing, modeling, and predicting Indian Ocean variability and change across a range of timescales. As such, this book is the perfect compendium to any researcher, student, teacher/lecturer in the fields of oceanography, atmospheric science, paleoclimate, environmental science, meteorology and geology, as well as policy managers and water resource managers. Provides interdisciplinary content with a comprehensive overview for students and practitioners from a wide range of disciplines as well as for stakeholders Presents a broad overview and background on the current state of knowledge of the variability, change, and regional impacts of the Indian Ocean Includes links to animations, slideshows, and other educational resources