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  • 1
    Online Resource
    Online Resource
    Comment on "Saturation of the Southern Ocean CO 2 Sink Due to Recent Climate Change"
    American Association for the Advancement of Science (AAAS) ; 2008
    In:  Science Vol. 319, No. 5863 ( 2008-02), p. 570-570
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 319, No. 5863 ( 2008-02), p. 570-570
    Abstract: Unlike Le Quéré et al . (Reports, 22 June 2007, p. 1735), we do not find a saturating Southern Ocean carbon sink due to recent climate change. In our ocean model, observed wind forcing causes reduced carbon uptake, but heat and freshwater flux forcing cause increased uptake. Our inversions of atmospheric carbon dioxide show that the Southern Ocean sink trend is dependent on network choice.
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1149077
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2008
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
    Location Call Number Limitation Availability
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  • 2
    Online Resource
    Online Resource
    Ocean Salinities Reveal Strong Global Water Cycle Intensification During 1950 to 2000
    American Association for the Advancement of Science (AAAS) ; 2012
    In:  Science Vol. 336, No. 6080 ( 2012-04-27), p. 455-458
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 336, No. 6080 ( 2012-04-27), p. 455-458
    Abstract: Fundamental thermodynamics and climate models suggest that dry regions will become drier and wet regions will become wetter in response to warming. Efforts to detect this long-term response in sparse surface observations of rainfall and evaporation remain ambiguous. We show that ocean salinity patterns express an identifiable fingerprint of an intensifying water cycle. Our 50-year observed global surface salinity changes, combined with changes from global climate models, present robust evidence of an intensified global water cycle at a rate of 8 ± 5% per degree of surface warming. This rate is double the response projected by current-generation climate models and suggests that a substantial (16 to 24%) intensification of the global water cycle will occur in a future 2° to 3° warmer world.
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1212222
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2012
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
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  • 3
    Online Resource
    Online Resource
    Comment on "Preindustrial to Modern Interdecadal Variability in Coral Reef pH"
    American Association for the Advancement of Science (AAAS) ; 2006
    In:  Science Vol. 314, No. 5799 ( 2006-10-27), p. 595-595
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 314, No. 5799 ( 2006-10-27), p. 595-595
    Abstract: Based on the boron isotopic composition of coral from the southwestern Pacific, Pelejero et al . (Reports, 30 September 2005, p. 2204) suggested that natural variations in pH can modulate the impact of ocean acidification on coral reef ecosystems. We show that this claim cannot be reconciled with other marine carbon chemistry constraints and highlight problems with the authors' interpretation of the paleontologic data.
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1128198
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2006
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
    Location Call Number Limitation Availability
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  • 4
    Online Resource
    Online Resource
    Southern Ocean acidification: A tipping point at 450-ppm atmospheric CO 2
    Proceedings of the National Academy of Sciences ; 2008
    In:  Proceedings of the National Academy of Sciences Vol. 105, No. 48 ( 2008-12-02), p. 18860-18864
    Details
    In: Proceedings of the National Academy of Sciences, Proceedings of the National Academy of Sciences, Vol. 105, No. 48 ( 2008-12-02), p. 18860-18864
    Abstract: Southern Ocean acidification via anthropogenic CO 2 uptake is expected to be detrimental to multiple calcifying plankton species by lowering the concentration of carbonate ion (CO 3 2− ) to levels where calcium carbonate (both aragonite and calcite) shells begin to dissolve. Natural seasonal variations in carbonate ion concentrations could either hasten or dampen the future onset of this undersaturation of calcium carbonate. We present a large-scale Southern Ocean observational analysis that examines the seasonal magnitude and variability of CO 3 2− and pH. Our analysis shows an intense wintertime minimum in CO 3 2− south of the Antarctic Polar Front and when combined with anthropogenic CO 2 uptake is likely to induce aragonite undersaturation when atmospheric CO 2 levels reach ≈450 ppm. Under the IPCC IS92a scenario, Southern Ocean wintertime aragonite undersaturation is projected to occur by the year 2030 and no later than 2038. Some prominent calcifying plankton, in particular the Pteropod species Limacina helicina , have important veliger larval development during winter and will have to experience detrimental carbonate conditions much earlier than previously thought, with possible deleterious flow-on impacts for the wider Southern Ocean marine ecosystem. Our results highlight the critical importance of understanding seasonal carbon dynamics within all calcifying marine ecosystems such as continental shelves and coral reefs, because natural variability may potentially hasten the onset of future ocean acidification.
    Type of Medium: Online Resource
    ISSN: 0027-8424 , 1091-6490
    URL: Article
    DOI: 10.1073/pnas.0806318105
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: Proceedings of the National Academy of Sciences
    Publication Date: 2008
    detail.hit.zdb_id: 209104-5
    detail.hit.zdb_id: 1461794-8
    SSG: 11
    SSG: 12
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  • 5
    Online Resource
    Online Resource
    Anthropogenic CO 2 Uptake by the Ocean Based on the Global Chlorofluorocarbon Data Set
    American Association for the Advancement of Science (AAAS) ; 2003
    In:  Science Vol. 299, No. 5604 ( 2003-01-10), p. 235-239
    Details
    In: Science, American Association for the Advancement of Science (AAAS), Vol. 299, No. 5604 ( 2003-01-10), p. 235-239
    Abstract: We estimated the oceanic inventory of anthropogenic carbon dioxide (CO 2 ) from 1980 to 1999 using a technique based on the global chlorofluorocarbon data set. Our analysis suggests that the ocean stored 14.8 petagrams of anthropogenic carbon from mid-1980 to mid-1989 and 17.9 petagrams of carbon from mid-1990 to mid-1999, indicating an oceanwide net uptake of 1.6 and 2.0 ± 0.4 petagrams of carbon per year, respectively. Our results provide an upper limit on the solubility-driven anthropogenic CO 2 flux into the ocean, and they suggest that most ocean general circulation models are overestimating oceanic anthropogenic CO 2 uptake over the past two decades.
    Type of Medium: Online Resource
    ISSN: 0036-8075 , 1095-9203
    URL: Article
    DOI: 10.1126/science.1077429
    RVK:
    TA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: American Association for the Advancement of Science (AAAS)
    Publication Date: 2003
    detail.hit.zdb_id: 128410-1
    detail.hit.zdb_id: 2066996-3
    detail.hit.zdb_id: 2060783-0
    SSG: 11
    Location Call Number Limitation Availability
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  • 6
    Online Resource
    Online Resource
    Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms
    Springer Science and Business Media LLC ; 2005
    In:  Nature Vol. 437, No. 7059 ( 2005-9), p. 681-686
    Details
    In: Nature, Springer Science and Business Media LLC, Vol. 437, No. 7059 ( 2005-9), p. 681-686
    Type of Medium: Online Resource
    ISSN: 0028-0836 , 1476-4687
    URL: Article
    DOI: 10.1038/nature04095
    RVK:
    TA 1000
    RVK:
    UA 1000
    RVK:
    WA 15000
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2005
    detail.hit.zdb_id: 120714-3
    detail.hit.zdb_id: 1413423-8
    SSG: 11
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