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  • 1
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    Global environmental change in the ocean and on land (2004)
    Tokyo : TERRAPUB
    Details
    Keywords: marine carbon cycle ; terrestrial carbon cycle ; climatic change
    Description / Table of Contents: MARINE CARBON CYCLE --- Global Scale --- Characterization of Ocean Productivity Using a New Physical-Biological Coupled Ocean Model / K. Nakata, T. Doi, K. Taguchi and S. Aoki / Global Environmental Change in the Ocean and on Land, / pp. 1-44 --- Natural Radiocarbon Distribution in the Deep Ocean / K. Matsumoto and R. M. Key / Global Environmental Change in the Ocean and on Land, / pp. 45-58 --- Equatorial Region --- Variability of Surface Layer CO2 Parameters in the Western and Central Equatorial Pacific / M. Ishii, S. Saito, T. Tokieda, T. Kawano, K. Matsumoto and H. Y. Inoue / Global Environmental Change in the Ocean and on Land, / pp. 59-94 --- Settling Particles Flux in Response to El Niño/Southern Oscillation (ENSO) in the Equatorial Pacific / H. Kawahata and L. P. Gupta / Global Environmental Change in the Ocean and on Land, / pp. 95-108 --- Particulate Amino Acids and Biogeochemical Processes in the Equatorial Pacific Ocean during the 1999-2001 La Niña Event / L. P. Gupta and H. Kawahata / Global Environmental Change in the Ocean and on Land, / pp. 109-120 --- Floral Response of Coccolithophores to Progressive Oligotrophication in the South Equatorial Current, Pacific Ocean / K. Hagino and H. Okada / Global Environmental Change in the Ocean and on Land, / pp. 121-132 --- Coccolith Carbonate Fluxes in the Northwest Pacific Ocean / Y. Tanaka / Global Environmental Change in the Ocean and on Land, / pp. 133-146 --- Western Pacfic --- Artificial Radionuclides in the Western North Pacific: A Review / G. H. Hong, M. Baskaran and P. P. Povinec / Global Environmental Change in the Ocean and on Land, / pp. 147-172 --- Material Transport Processes on the Continental Margin in the East China Sea / M. Yamada / Global Environmental Change in the Ocean and on Land, / pp. 173-187 --- Cadmium Distribution in the Western Pacific / K. Abe / Global Environmental Change in the Ocean and on Land, / pp. 189-203 --- Ocean Environments in Response to Climatic Change --- Climate Reconstructions from Annually Banded Corals / T. Felis and J. Pätzold / Global Environmental Change in the Ocean and on Land, / pp. 205-227 --- Reef Water CO2 System and Carbon Production of Coral Reefs: Topographic Control of System-Level Performance / A. Suzuki and H. Kawahata / Global Environmental Change in the Ocean and on Land, / pp. 229-248 --- Chemistry of Benthic Foraminiferal Shells for Recording Ocean Environments: Cd/Ca, d13C and Mg/Ca / K. Tachikawa and H. Elderfield / Global Environmental Change in the Ocean and on Land, / pp. 249-263 --- Have the Tropical Pacific Ocean-Atmosphere Interactions Behaved as a Driver of Centennial- to Orbital-Scale Climate Changes? / M. Yamamoto / Global Environmental Change in the Ocean and on Land, / pp. 265-278 --- Long Term Variations of Uranium Isotopes and Radiocarbon in the Surface Seawater Recorded in Corals / Y. Yokoyama and T. M. Esat / Global Environmental Change in the Ocean and on Land, / pp. 279-309 --- TERRESTRIAL CARBON CYCLE --- A Multi-Scale Analysis of a National Terrestrial Carbon Budget and the Effects of Land-Use Change / C. M. Trotter, K. R. Tate, S. Saggar, N. A. Scott and M. A. Sutherland / Global Environmental Change in the Ocean and on Land, / pp. 311-341 --- Global Mapping of Terrestrial Primary Productivity and Light-Use Efficiency with a Process-Based Model / A. Ito and T. Oikawa / Global Environmental Change in the Ocean and on Land, / pp. 343-358 --- Carbon and Nitrogen Accumulation in a Savanna Landscape: Field and Modeling Perspectives / S. Archer, T. W. Boutton and C. R. McMurtry / Global Environmental Change in the Ocean and on Land, / pp. 359-373 --- Estimating Dynamics of CO2 Flux in Agro-Ecosystems based on Synergy of Remote Sensing and Process Modeling-A Methodological Study / Y. Inoue and A. Olioso / Global Environmental Change in the Ocean and on Land, / pp. 375-390 --- Changes in Productivity of East and South Asian Countries in the 21st Century: Regional Trends According to Climate Change / K. Okamoto, M. Yokozawa and H. Kawashima / Global Environmental Change in the Ocean and on Land, / pp. 391-399 --- A Preliminary Study on the Carbon Dynamics of China's Forest Ecosystems in the Past 20 Years / P. Gong, J. Chen and M. Xu / Global Environmental Change in the Ocean and on Land, / pp. 401-410 --- Retrieval of Forest Fire History in Far East Asia by Remote Sensing and Its Analysis with Biomass Burning Simulation and Climate Anomalies / J. Kuçera and Y. Yasuoka / Global Environmental Change in the Ocean and on Land, / pp. 411-424 --- Potential of Woody Carbon Stock Estimation Using High Spatial Resolution Imagery: A Case Study of Spruce Stands / Y. Awaya, S. Tsuyuki, E. Kodani and G. Takao / Global Environmental Change in the Ocean and on Land, / pp. 425-440 --- Multi-Temporal MODIS Data Product for Carbon Cycles Research / Z. Dafang, L. Ronggao and S. Runhe / Global Environmental Change in the Ocean and on Land, / pp. 441-451 --- Photosynthetic Characteristics of Mixed Deciduous-Broadleaf Forests from Leaf to Stand / T. Koike, S. Kitaoka, T. Ichie, T. T. Lei and M. Kitao / Global Environmental Change in the Ocean and on Land, / pp. 453-472 --- Effect of Free-Air CO2 Enrichment on Structures of Weed Communities and CO2 Exchange at the Flood-Water Surface in a Rice Paddy Field / H. Koizumi, T. Kibe, T. Nakadai, Y. Yazaki, M. Adachi, M. Inatomi, M. Kondo and T. Ohtsuka / Global Environmental Change in the Ocean and on Land, / pp. 473-485
    Pages: Online-Ressource (VI, 490 Seiten)
    ISBN: 4887041330
    URL: http://www.terrapub.co.jp/e-library/kawahata/
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Concentrations of Trace Elements in Carbonate Reference Materials Coral JCp-1 and Giant Clam JCt-1 by Inductively Coupled Plasma-Mass Spectrometry (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Geostandards and geoanalytical research 28 (2004), S. 0 
    Details
    ISSN: 1751-908X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Trace elements in the Geological Survey of Japan carbonate reference materials Coral JCp-1 and Giant Clam JCt-1 were determined by inductively coupled plasma-mass spectrometry after digestion with 2% v/v HNO3. A standard addition method was adopted in this determination in order to neutralise the Ca matrix effect. In addition, Sc, Y, In and Bi were used as internal standards to control the matrix effect and correct instrumental drift. Of the eighteen elements measured in JCp-1, precisions for fourteen elements, including Cu, Cd and Ba, were better than 10% RSD and concentrations ranged from 0.002 μg g-1 (Cs) to 8.02 μg g-1 (Ba). The concentrations of measured trace elements in JCt-1, except for Cu, were lower than those in JCp-1. Precisions for all elements with concentrations higher than 0.04 μg g-1 in JCt-1 were also better than 10% RSD and concentrations were found to be between 0.001 μg g-1 (Cs) and 4.84 μg g-1 (Ba). The concentrations of more than fifteen trace elements in the aragonite reference materials are reported here for the first time. Both reference materials are suitable for use in geochemical studies of environmental reconstruction based upon biogenic carbonate materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-908X.2004.tb00759.x
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  • 3
    Electronic Resource
    Electronic Resource
    Seasonal Response of Planktonic Foraminifera to Surface Ocean Condition: Sediment Trap Results from the Central North Pacific Ocean (1999)
    Springer
    Journal of oceanography 55 (1999), S. 681-691 
    Details
    ISSN: 1573-868X
    Keywords: Sediment trap ; planktonic foraminifera ; organic matter ; seasonal variations ; food availability ; surface ocean thermal condition ; central North Pacific
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The fluxes of planktonic foraminifera (calcareous shell producing zooplankton) were examined in order to clarify temporal and regional variations in production in the upper ocean in relation to hydrographic conditions. Three time-series sediment traps were deployed in the central North Pacific along 175°E for about one year, beginning in June 1993. Trap sites were located in the subarctic, the transition, and the subtropical water masses, from north to south. The southernmost site was under the influence of the transition zone in January to May. Both temporal and regional fluxes of planktonic foraminifera showed large variations during the experiment. In the subarctic water mass, high total foraminiferal fluxes (TFFs) and high organic matter fluxes (OMFs) were observed during summer to fall, suggesting that food availability is the most important factor for the production of planktonic foraminifera. Furthermore, low TFFs during winter were ascribed to low food availability and low temperatures. The OMFs and TFFs correlated well and increased rapidly after the disruption of the seasonal thermocline during winter, peaking in late February to early March in the transition zone. In the subtropical water mass, both OMFs and TFFs remained low due to lower productivity under oligotrophic conditions. In general, TFFs show a positive correlation with OMFs during the trap experiment, suggesting that food availability is one of the factors controlling the production of planktonic foraminifera in the central North Pacific. Relatively low TFFs during summer to fall in the subtropical water mass may be caused by the thermal structure of the upper ocean. Low SST possibly reduces the production of foraminifera during winter in the subarctic region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007812028703
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  • 4
    Electronic Resource
    Electronic Resource
    Partial Pressure of Carbon Dioxide in Coral Reef Lagoon Waters: Comparative Study of Atolls and Barrier Reefs in the Indo-Pacific Oceans (1999)
    Springer
    Journal of oceanography 55 (1999), S. 731-745 
    Details
    ISSN: 1573-868X
    Keywords: Carbon dioxide ; coral reefs ; atoll ; lagoon ; photosynthesis ; calcification ; total alkalinity ; partial pressure ; topography ; residence time
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Factors controlling the CO2 system parameters, including the partial pressure of CO2 (PCO2) in coral reef waters, were investigated in three mid-oceanic reefs of the Indo-Pacific region. Surface water PCO2 in the lagoons of Majuro Atoll and Palau barrier reef in the Pacific were 25 µatm and 48 µatm higher than those of the offshore waters, respectively, while South Male Atoll lagoon of the Maldives in the Indian Ocean exhibited relatively small difference in PCO2 compared to the offshore water. Observations from Majuro Atoll and Palau barrier reef are consistent with the view that calcium carbonate production predominates in coral reefs. On the other hand, results from South Male Atoll can be attributed to the thorough flushing of the lagoon, which is connected to the open ocean by numerous deep channels. The offshore-lagoon PCO2 difference depends on system-level net organic-to-inorganic carbon production ratio while reef topography, especially residence time of the lagoon, has a secondary effect on the magnitude of the offshore-lagoon difference. A potential for releasing CO2 might be more evident in an enclosed atoll where the reef water has a longer residence time. Oceanic atoll and barrier reef lagoons, which are in the terminal stage of evolutionary history of oceanic volcanic islands, have the potential to release CO2 to the atmosphere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007872314591
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  • 5
    Electronic Resource
    Electronic Resource
    Comparative Late Pleistocene Paleoceanographic Changes in the Mid Latitude Boreal and Austral Western Pacific (1999)
    Springer
    Journal of oceanography 55 (1999), S. 747-761 
    Details
    ISSN: 1573-868X
    Keywords: Organic carbon ; Shatsky Rise ; Lord Howe Rise ; northern and southern hemispheres ; middle latitude ; Late Pleistocene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Middle latitudes of the northern and southern hemispheres of the western Pacific are the sensitive areas for the climatic change. We reconstruct the variation in primary productivity to evaluate the shift of the transition zone between the central water mass and cold water in the both hemispheres. In cores S2612 and LH3166, which are located around boreal and austral 35 degree, the mean COrganic/N atomic ratios are 7.8 and 7.2, respectively. Therefore it is suggested that organic matter is mainly of marine origin (excluding the middle Stage 6 to Stage 7 with the high COrganic/N atomic ratios in core LH3166). Primary productivities estimated from these cores in the middle latitudes of the western Pacific during the late Pleistocene demonstrate similar profiles. Maxima are observed at late Stage 2, late Stage 4 (middle Stage 4 for L3187) and late Stage 6 while minimum values were observed at Stage 5. Mass accumulation rates of organic carbon and biogenic opal also show similar profiles in these cores. These results and paleontological evidence show that the transition zone between Subtropical and subarctic waters almost synchronously migrated along the latitudinal transection during the last 150 kyr.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007824415499
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  • 6
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    Indian summer monsoon variability during the holocene as recorded in sediments of the Arabian Sea: Timing and implications (2007)
    Springer
    Details
    Publication Date: 2007-12-01
    Print ISSN: 0916-8370
    Electronic ISSN: 1573-868X
    Topics: Geosciences , Physics
    Published by Springer
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  • 7
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    Endolithic aspartic acid as a proxy of fluctuations in coral growth (2007)
    American Geophysical Union
    Details
    Publication Date: 2007-01-11
    Print ISSN: 0148-0227
    Electronic ISSN: 2156-2202
    Topics: Geosciences
    Published by American Geophysical Union
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  • 8
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    Radiocarbon marine reservoir ages in the western Pacific estimated by pre-bomb molluscan shells (2007)
    Elsevier
    Details
    Publication Date: 2007-06-01
    Print ISSN: 0168-583X
    Electronic ISSN: 1872-9584
    Topics: Physics
    Published by Elsevier
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  • 9
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    Deep water ventilation in the northwestern North Pacific during the last deglaciation and the early Holocene (15-5cal.kyrB.P.) based on AMS 14C dating (2007)
    Elsevier
    Details
    Publication Date: 2007-06-01
    Print ISSN: 0168-583X
    Electronic ISSN: 1872-9584
    Topics: Physics
    Published by Elsevier
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  • 10
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    Climatic forcing of Quaternary deep-sea benthic communities in the North Pacific Ocean (2012)
    Paleontological Society
    Details
    Publication Date: 2012-01-01
    Description: There is growing evidence that changes in deep-sea benthic ecosystems are modulated by climate changes, but most evidence to date comes from the North Atlantic Ocean. Here we analyze new ostracod and published foraminiferal records for the last 250,000 years on Shatsky Rise in the North Pacific Ocean. Using linear models, we evaluate statistically the ability of environmental drivers (temperature, productivity, and seasonality of productivity) to predict changes in faunal diversity, abundance, and composition. These microfossil data show glacial-interglacial shifts in overall abundances and species diversities that are low during glacial intervals and high during interglacials. These patterns replicate those previously documented in the North Atlantic Ocean, suggesting that the climatic forcing of the deep-sea ecosystem is widespread, and possibly global in nature. However, these results also reveal differences with prior studies that probably reflect the isolated nature of Shatsky Rise as a remote oceanic plateau. Ostracod assemblages on Shatsky Rise are highly endemic but of low diversity, consistent with the limited dispersal potential of these animals. Benthic foraminifera, by contrast, have much greater dispersal ability and their assemblages at Shatsky Rise show diversities typical for deep-sea faunas in other regions.Statistical analyses also reveal ostracod-foraminferal differences in relationships between environmental drivers and biotic change. Rarefied diversity is best explained as a hump-shaped function of surface productivity in ostracods, but as having a weak and positive relationship with temperature in foraminifera. Abundance shows a positive relationship with both productivity and seasonality of productivity in foraminifera, and a hump-shaped relationship with productivity in ostracods. Finally, species composition in ostracods is influenced by both temperature and productivity, but only a temperature effect is evident in foraminifera. Though complex in detail, the global-scale link between deep-sea ecosystems and Quaternary climate changes underscores the importance of the interaction between the physical and biological components of paleoceanographical research for better understanding the history of the biosphere.
    Print ISSN: 0094-8373
    Electronic ISSN: 0094-8373
    Topics: Geosciences
    Published by Paleontological Society
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