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  • Wiley  (31,802)
  • 2010-2014  (31,802)
  • 1980-1984
  • 2011  (31,802)
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Keywords
Publisher
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  • 2010-2014  (31,802)
  • 1980-1984
Year
  • 1
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    Urban Weather, Climate and Air Quality Modeling: Increasing Resolution and Accuracy Using Improved Urban Morphology (2011)
    Wiley
    In:  Urban Remote Sensing: Monitoring, Synthesis and Modeling in the Urban Environment
    Details
    Publication Date: 2022-03-21
    Type: info:eu-repo/semantics/bookPart
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    CITATION PIK
  • 2
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    Cephalopod origin and evolution: A congruent picture emerging from fossils, development and molecules: Extant cephalopods are younger than previously realised and were under major selection to become agile, shell-less predators (2011)
    Wiley
    In:  Bioessays, 33 (8). pp. 602-613.
    Details
    Publication Date: 2021-08-26
    Description: Cephalopods are extraordinary molluscs equipped with vertebrate-like intelligence and a unique buoyancy system for locomotion. A growing body of evidence from the fossil record, embryology and Bayesian molecular divergence estimations provides a comprehensive picture of their origins and evolution. Cephalopods evolved during the Cambrian (∼530 Ma) from a monoplacophoran-like mollusc in which the conical, external shell was modified into a chambered buoyancy apparatus. During the mid-Palaeozoic (∼416 Ma) cephalopods diverged into nautiloids and the presently dominant coleoids. Coleoids (i.e. squids, cuttlefish and octopods) internalised their shells and, in the late Palaeozoic (∼276 Ma), diverged into Vampyropoda and the Decabrachia. This shell internalisation appears to be a unique evolutionary event. In contrast, the loss of a mineralised shell has occurred several times in distinct coleoid lineages. The general tendency of shell reduction reflects a trend towards active modes of life and much more complex behaviour.
    Type: Article , PeerReviewed
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  • 3
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    Current Status and Bottle Neck of Octopod Aquaculture: The Case of American Species (2011)
    Wiley
    In:  Journal of the World Aquaculture Society, 42 (6). pp. 735-752.
    Details
    Publication Date: 2021-08-19
    Description: The increasing market demand for cephalopods and the experiences obtained with different species has boosted the interest in developing their culture in Latin America. In 2008, an international workshop was held in Puerto Montt, Chile, with 14 experts in experimental cephalopods aquaculture from Brazil, Chile, Spain, and Mexico. Several topics were approached within the holobenthic species Octopus maya and the merobenthic species Enteroctopus megalocyathus, Octopus vulgaris, and Robsonella fontaniana. Part of the conclusions demonstrated that the two greatest difficulties for their production were survival of paralarvae for merobenthic species, and survival of early juveniles for holobenthic species. Besides, there is a need to study the endogenous and exogenous factors affecting health and nutritional status of embryos, paralarvae, and juveniles. These stages, which may limit the culture, should be extensively studied in order to develop the appropriate environmental conditions and culture systems for the physiological and behavioral requirements, from egg incubation up to juveniles to reach a grow-out phase.
    Type: Article , PeerReviewed
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  • 4
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    Equatorial upper-ocean dynamics and their interaction with the West African monsoon (2011)
    Wiley
    In:  Atmospheric Science Letters, 12 . pp. 24-30.
    Details
    Publication Date: 2021-05-18
    Description: Zonal wind anomalies in the western equatorial Atlantic during late boreal winter to early summer precondition boreal summer cold/warm events in the eastern equatorial Atlantic (EEA) that manifest in a strong interannual Atlantic cold tongue (ACT) variability. Local intraseasonal wind fluctuations, linked to the St. Helena anticyclone, contribute to the variability of cold tongue onset and strength, particularly during years with preconditioned shallow thermoclines. The impact of cold tongue sea surface temperature (SST) anomalies on the wind field in the Gulf of Guinea is assessed. It contributes to the northward migration of humidity and convection and possibly the West African monsoon (WAM) jump. Copyright @ 2010 Royal Meteorological Society
    Type: Article , PeerReviewed
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  • 5
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    Early-middle Holocene land snail shell stable isotope record from Grotta di Latronico 3 (southern Italy) (2011)
    Wiley
    Details
    Publication Date: 2021-04-07
    Description: This paper compares stable isotope (δ18O and δ13C) records of early–middle Holocene land snail shells from the archaeological deposits of Grotta di Latronico 3 (LTR3; southern Italy) with modern shell isotopic data. No substantial interspecific variability was observed in shell δ18O (δ18Os) of modern specimens (Pomatias elegans, Cornu aspersum, Eobania vermiculata, Helix ligata and Marmorana fuscolabiata). In contrast, interspecific shell δ13C (δ13Cs) variability was significant, probably due to different feeding behaviour among species. The δ18Os values of living land snails suggest that species hibernate for a long period during colder months, so that the signal of 18O-depleted winter rainfall in their δ18Os is lost. This suggests that δ18Os and δ13Cs values of Pomatias elegans from this archaeological succession provide valuable clues for seasonal (spring–autumn) climatic conditions during the early–middle Holocene. The δ18Os values of fossil specimens are significantly lower than in modern shells and in agreement with other palaeoclimatic records, suggesting a substantial increase of precipitation and/or persistent changes in air mass source trajectories over this region between ca. 8.8 cal ka BP and 6.2–6.7 ka ago. The δ13Cs trend suggests a transition from a slightly 13C-enriched to a 13C-depleted diet between early and middle Holocene compared to present conditions. We postulate that this δ13Cs trend might reflect changes in the C3 vegetation community, potentially combined with other environmental factors such as regional moisture increase and the progressive decrease of atmospheric CO2 concentration. Copyright © 2010 John Wiley & Sons, Ltd.
    Description: Published
    Description: 1347-1359
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: JCR Journal
    Description: reserved
    Keywords: central Mediterranean ; archaeological succession ; land snail shells ; stable isotopes ; palaeoclimate ; 03. Hydrosphere::03.01. General::03.01.03. Global climate models
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 6
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    Estimating parameters for a stochastic dynamic marine ecological system (2011)
    Wiley
    In:  Environmetrics, 22 (4). pp. 501-515.
    Details
    Publication Date: 2020-07-31
    Description: Parameter estimation for stochastic dynamic systems is a core problem for the environmental and ecological sciences. This study considers parameter estimation for a simple nonlinear numerical model of marine biogeochemistry. We present a nonlinear stochastic differential equation based model for estimating parameters from non-Gaussian ocean measurements collected at a coastal ocean observatory. A sequential Monte Carlo procedure, or particle filter, provides for estimation of the time evolving state and also the basis for parameter estimation. Two approaches for estimating static parameters of the system are contrasted. The first is based on likelihood calculations, and the second on augmenting the system state with the static parameters. Sensitivity analysis identified two ecological parameters (in the differential equations model) and one statistical parameter (governing the level of dynamical noise) as candidates for estimation. Computed likelihood surfaces were found to be rough due to the sample based calculations; they also indicated the ubiquitous problem of ecological parameter dependence and identifiability. A modified state augmentation procedure, incorporating a smoothed bootstrap step, was used here for parameter estimation. Realizations for the parameter values provided by this method allowed for calculation of moments and density estimates that matched well the properties of the likelihood. Incorporation of prior information on the parameters was also considered within this context. It is concluded that such a modified state augmentation procedures provides a promising avenue in parameter estimation in numerical models
    Type: Article , PeerReviewed
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  • 7
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    Quantification of free gas in the Kumano fore-arc basin detected from borehole physical properties: IODP NanTroSEIZE drilling Site C0009 (2011)
    Wiley
    In:  Geochemistry, Geophysics, Geosystems, 12 . Q0AD06.
    Details
    Publication Date: 2020-07-31
    Description: The Kumano fore-arc basin overlies the Nankai accretionary prism, formed by the subduction of the Philippine Sea Plate beneath the Eurasian plate offshore the Kii Peninsula, SW Honshu, Japan. Seismic surveys and boreholes within the framework of the Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) project show evidence of gas hydrates and free gas within the basin. Here we use high-quality borehole sonic data from Integrated Oceanic Drilling Program (IODP) Site C0009 to quantify the free gas distribution in the landward part of the basin. The Brie theory is used to quantify gas content from sonic logs, which are calibrated from laboratory measurements on drill cores. First, we show that the sonic data are mainly sensitive to the fluid phase filling the intergranular pores (effective porosity), rather than to the total porosity that includes water bound to clay minerals. We then compare the effective porosity to lithodensity-derived porosity that acts as a proxy for total porosity. The combination of these two data sets also allows assessment of clay mineralogy of the sediments. Second, we compute free gas saturation and find a gas-rich interval that is restricted to a lithological unit characterized by a high abundance of wood fragments and lignite. This unit, at the base of the fore-arc basin, is a hydrocarbon source that should be taken into account in models explaining gas distribution and the formation of the bottom-simulating reflector within the Kumano fore-arc basin.
    Type: Article , PeerReviewed
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  • 8
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    CO2 mediation of adverse effects of seawater acidification inCalcidiscus leptoporus (2011)
    Wiley
    In:  Geochemistry, Geophysics, Geosystems, 12 (5).
    Details
    Publication Date: 2020-07-31
    Description: The coccolithophore Calcidiscus leptoporus (strain RCC1135) was grown in dilute batch culture at CO2 levels ranging from similar to 200 to similar to 1600 mu atm. Increasing CO2 concentration led to an increased percentage of malformed coccoliths and eventually (at similar to 1500 mu atm CO2) to aggregation of cells. Carbonate chemistry of natural seawater was manipulated in three ways: first, addition of acid; second, addition of a IICO3-/CO32- solution; and third, addition of both acid and IICO3-/CO32- solution. The data set allowed the disentangling of putative effects of the different parameters of the carbonate system. It is concluded that CO2 is the parameter of the carbonate system which causes both aberrant coccolithogenesis and aggregation of cells.
    Type: Article , PeerReviewed
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  • 9
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    Non-synchronous deposition of North Atlantic Ash Zone II in Greenland ice cores, and North Atlantic and Norwegian Sea sediments: an example of complex glacial-stage tephra transport (2011)
    Wiley
    In:  Journal of Quaternary Science, 26 (7). pp. 739-745.
    Details
    Publication Date: 2020-07-20
    Description: Tephra provides regional chronostratigraphical marker horizons that can link different climate archives with highly needed accuracy and precision. The results presented in this work exemplify, however, that the intermittent storage of tephra in ice sheets and during its subsequent iceberg transport, especially during glacial stages, constitutes a potential source of serious error for the application of tephrochronology to Nordic Seas and North Atlantic sediment archives. The peak shard concentration of the rhyolitic component of the North Atlantic Ash Zone II (NAAZ-II) tephra complex, often used to correlate marine and ice core records in Marine Isotope Stage (MIS) 3, is shown to lag the eruption event by ca. 100–400 years in some North Atlantic and Norwegian Sea cores. While still allowing for a correlation of archives on millennial timescales, this time delay in deposition is a major obstacle when addressing the lead–lag relationship on short timescales (years to centuries). A precise and accurate determination of lead–lag relationships between archives recording different parts of the climate system is crucial in order to test hypotheses about the processes leading to abrupt climate change and to evaluate results from climate models. Copyright # 2011 John Wiley & Sons, Ltd.
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  • 10
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    Smoking and pathogenesis of psoriasis: a review of oxidative, inflammatory and genetic mechanisms (2011)
    Wiley
    In:  British Journal of Dermatology, 165 (6). pp. 1162-1168.
    Details
    Publication Date: 2020-06-26
    Description: Recent studies suggest that cigarette smoking may trigger the development of psoriasis through oxidative, inflammatory and genetic mechanisms. Smoking initiates formation of free radicals that stimulate cell signalling pathways active in psoriasis including mitogen-activated protein kinase (MAPK), nuclear factor-κB (NF-κB) and Janus kinase/signal transducers and activators of transcription (JAK-STAT). Smoking damages the skin by increasing formation of reactive oxygen species and decreasing the gene expression of antioxidants. Nicotine also stimulates innate immune cells integral to the pathogenesis of psoriasis including dendritic cells, macrophages and keratinocytes. These cells release cytokines that activate T lymphocytes and perpetuate a cycle of chronic inflammation. Smoking also enhances expression of genes known to confer an increased risk of psoriasis, including HLA-Cw6, HLA-DQA1*0201 and CYP1A1. Improved understanding of the possible link between smoking and psoriasis pathogenesis may provide further insight into mechanisms underlying smoking, psoriasis and risk of subsequent cardiovascular disease.
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