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  • 2000-2004  (147)
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  • 1
    Call number: PIK N 531-01-0416 ; AWI G1-02-0031
    Type of Medium: Monograph available for loan
    Pages: XVI, 416 Seiten , Illustrationen
    ISBN: 0126312605
    Language: English
    Note: Contents: Contributors. - Foreword by Paul J. Crutzen. - Preface by David Schimel. - Introduction. - 1 Uncertainties of Global Biogeochemical Predictions / E. D. Schulze, D. S. S. Schimel. - 1.1 Introduction. - 1.2 The IGBP Transect Approach. - 1.2.1 The Patagonian Transect. - 1.2.2 The Australian Transect. - 1.2.3 The European Transect. - 1.3 Variability in Processes. - 1.4 Biome Approach and Functional Types. - 1.5 New Approaches to Functional Diversity. - 1.6 Conclusions. - References. - 2 Uncertainties of Global Climate Predictions / L. Bengtsson. - 2.1 Introduction. - 2.2 Observational Evidence. - 2.3 Physical Rationale. - 2.3.1 Stochastic Forcing. - 2.3.2 Solar irradiation Changes. - 2.3.3 Volcanic Effects. - 2.3.4 Anthropogenic Effects. - 2.4 Response to Forcing of the Climate System. - 2.5 Results from Climate Change Prediction Experiments. - 2.6 Summary and Conclusions. - References. - 3 Uncertainties in the Atmospheric Chemical System / G. P. Brasseur, E. A. H. Holland. - 3.1 Introduction. - 3.2 Synthetic View of Chemical Processes in the Troposphere. - 3.3 The IMAGES Model. - 3.4 Changes in the Chemical Composition of the Global Troposphere. - 3.5 Concluding Remarks. - References. - 4 Inferring Biogeochemical Sources and Sinks from Atmospheric Concentrations: General Consideration and Applications in Vegetation Canopies / M. Raupach. - 4.1 Introduction. - 4.2 Scalar and Isotopic Molar Balances. - 4.2.1 General Principles. - 4.2.2 Single-Point Eulerian Equations. - 4.2.3 Source Terms for CO2. - 4.2.4 Single-Point Lagrangian Equations. - 4.3 Inverse Methods for Inferring Scalar Sources and Sinks in Canopies. - 4.3.1 General Principles. - 4.3.2 Localized Near Field Theory. - 4.3.3 The Dispersion Matrix. - 4.3.4 Turbulent Velocity Field. - 4.3.5 Solutions for Forward, Inverse and Implicit Problems. - 4.3.6 Field Tests. - 4.4 Inverse Methods and Isotopes in Canopies. - 4.4.1 Path Integrals and Keeling Plots. - 4.4.2 Inverse Lagrangian Analysis of Isotopic Composition. - 4.5 Summary and Conclusions. - Appendix A. - Appendix B. - References. - 5 Biogeophysical Feedbacks and the Dynamics of Climate / M. Claussen. - 5.1 Introduction. - 5.2 Synergisms. - 5.2.1 High Northern Latitudes. - 5.2.2 Subtropics. - 5.3 Multiple Equilibria. - 5.4 Transient Interaction. - 5.5 Perspectives. - References. - 6 Land-Ocean-Atmosphere Interactions and Monsoon Climate Change: A Paleo-Perspective / J. E. Kutzbach, Michael T. Coe, S. P. Harrison and M. T. Coe. - 6.1 Introduction. - 6.2 Response of the Monsoon to Orbital Forcing. - 6.3 Ocean Feedbacks on the Monsoon. - 6.4 Land-Surface Feedbacks on the Monsoon. - 6.5 Synergies between the Land, Ocean and Atmosphere. - 6.6 The Role of Climate Variability. - 6.7 Final Remarks. - References. - 7 Paleobiogeochemistry / I. C. Prentice, D. Raynaud. - 7.1 Introduction. - 7.2 Methane. - 7.3 Carbon Dioxide. - 7.4 Mineral Dust Aerosol. - 7.5 Scientific Challenges Posed by the Ice-Core Records. - 7.5.1 Methane. - 7.5.2 Carbon Dioxide. - 7.5.3 Mineral Dust Aerosol. - 7.6 Towards an Integrated Research Strategy for Palaeobiogeochemistry. - References. - 8 Should Phosphorus Availability Be Constraining Moist Tropical Forest Responses to Increasing CO2 Concentrations / J. Lloyd, M. I. Bird, E. M. Veenendaal and B. Kruijt. - 8.1 Introduction. - 8.2 Phosphorus in the Soils of the Moist Tropics. - 8.2.1 Soil Organic Phosphorus. - 8.2.2 Soil Inorganic Phosphorus. - 8.2.3 Soil Carbon/Phosphorus Interactions. - 8.3 States and Fluxes of Phosphorus in Moist Tropical Forests. - 8.3.1 Inputs and Losses of Phosphorus Through Rainfall, Dry Deposition and Weathering: Losses Via Leaching. - 8.3.2 Internal Phosphorus Flows in Moist Tropical Forests. - 8.3.3 Mechanisms for Enhanced Phosphorus Uptake in Low P Soils. - 8.4 Linking the Phosphorus and Carbon Cycles. - 8.4.1 To What Extent Does Phosphorus Availability Really Limit Moist Tropical Forest Productivity?. - 8.4.2 Tropical Plant Responses to Increases in Atmospheric CO2 Concentrations. - 8.4.3 Using a Simple Model to Examine CO2/Phosphorus Interactions in Tropical Forests. - References. - 9 Trees in Grasslands: Biogeochemical Consequences of Woody Plant Expansion / S. Archer, T. W. Boutton and K. A. Hibbard. - 9.1 Introduction. - 9.2 Woody Plant Encroachment in Grasslands and Savannas. - 9.3 The La Copita Case Study. - 9.3.1 Biogeographical and Historal Context. - 9.3.2 Herbaceous Retrogression and Soil Carbon Losses. - 9.3.3 Woody Plant Encroachment and Ecosystem Biogeochemistry. - 9.4 Degradation: Ecological Versus Socioeconomic. - 9.5 Implications for Ecosystem and Natural Resources Management. - 9.6 Summary. - References. - 10 Biogeochemistry in the Arctic: Patterns, Processes and Controls / S. Jonasson, F.S. Chapin, III and G. R. Shaver. - 10.1 Introduction. - 10.2 Tundra Organic Matter. - 10.2.1 Distribution of Organic Matter. - 10.2.2 Patterns and Controls of Organic Matter Turnover between Ecosystem Types. - 10.3 Tundra Nutrients. - 10.3.1 Nutrient Distribution and Controls of Nutrient Cycling. - 10.3.2 Nutrient Mineralization and Plant Nutrient Uptake. - 10.3.3 Are there Unaccounted Plant Sources of Limiting Nutrients?. - 10.4 Biogeochemical Responses to Experimental Ecosystem Manipulations. - 10.4.1 Applicability of Experimental Manipulations. - 10.4.2 Responses to Water Applications. - 10.4.3 Response to Nutrient Addition and Warming. - 10.4.4 Responses in Ecosystem Carbon Balance. - 10.5 Summary. - References. - 11 Evaporation in the Boreal Zone During Summer - Physics and Vegetation / F. M. Kelliher, I. Lloyd, C. Rebmann, C. Wirth and E. D. Schulze, D. D. Baldocchi. - 11.1 Introduction. - 11.2 Climate and Soil Water. - 11.3 Evaporation Theory. - 11.4 Evaporation During Summer and Rainfall. - 11.5 Forest Evaporation, Tree Life Form and Nitrogen. - 11.6 Conclusions. - References. - 12 Past and Future Forest Response to Rapid Climate Change / M.B. Davis. - 12.1 Introduction. - 12.2 Long-Distance Dispersal. - 12.3 Estimating Jump Distances. - 12.4 Interactions with Resident Vegetation - Constraints on Establishment. - 12.5 Interactions with Resident Vegetation - Competition for Light and Resulting Constraints on Population Growth. - 12.6 Conclusions. - References. - 13 Biogeochemical Models: Implicit vs. Explicit Microbiology / J. Schimel. - 13.1 Introduction. - 13.2 Microbiology in Biogeochemical Models. - 13.3 Dealing with Microbial Diversity in Models. - 13.4 Kinetic Effects of Microbial Population Size. - 13.5 Microbial Recovery from Stress. - 13.6 Conclusions. - References. - 14 The Global Soil Organic Carbon Pool / M. I. Bird, H. Santruckova, J. Lloyd and E. M. Veenendaal. - 14.1 Introduction: the Soil Carbon Pool and Global Change. - 14.2 Factors Affecting the Distribution of Soil Organic Carbon. - 14.3 Global Variations in the SOC Pool. - 14.4 The Limitations of Available Observational SOC Data. - 14.5 A Stratified Sampling Approach. - 14.6 Conclusions: Sandworld and Clayworld. - References. - 15 Plant Compounds and Their Turnover and Stability as Soil Organic Matter / G. Gleixner, C. Czimczik, C. Kramer, B. M. Lühker and M. W. I. Schmidt. - 15.1 Introduction. - 15.2 Pathways of Soil Organic Matter Formation. - 15.2.1 Formation and Decomposition of Biomass. - 15.2.2 The Influence of Environmental Conditions on SOM Formation. - 15.2.3 For
    Location: A 18 - must be ordered
    Location: AWI Reading room
    Branch Library: PIK Library
    Branch Library: AWI Library
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  • 2
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 116 (2002), S. 2370-2378 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Rydberg series, rovibrationally isolated by double resonant excitation, are extrapolated to determine rotational-state detailed ionization thresholds to form DCO+ in the bending-excited levels (030) and (040). Analysis of the rovibrational structure derived from the positions of these thresholds for (030) agrees with a simple parameterization extended from a fit to lower vibrational levels. For (040), however, the vibrational angular momentum components (0400) and (0420) are observed to be inverted in energy, with the (0400) component displaced approximately 20 cm−1 to a position above that of (0420). This perturbation is interpreted to support a conjecture first made by Hirota and co-workers that the vibrational structure of DCO+ is perturbed by a 4:1 bend–stretch Fermi resonance. Extending the pattern by which vibrational angular momentum components are observed to be split in (020) and (030), we establish the unperturbed position of (0400), from which we estimate the matrix element for bend–stretch coupling. Analysis yields a moderate Fermi matrix element, W(0400)(1000), of 32.43 cm−1, which is about two-thirds the magnitude of coupling found in the systems, CO2 and NO2+, where bend–stretch mixing significantly effects the character of higher vibrationally excited states. © 2002 American Institute of Physics.
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  • 3
    Electronic Resource
    Electronic Resource
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 116 (2002), S. 8384-8395 
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: We re-examine the ionization-detected ultraviolet absorption spectrum of the 3pπ 2Π←X 2A′ transition in HCO and DCO using a high-power visible laser to enhance the observation of first-photon resonant features. This technique, which we term here, assisted REMPI, significantly improves the signal-to-noise ratio of the spectrum, making many weak vibronic sub-bands visible for the first time. A comprehensive fit to the structure evident in a progression of bending levels from (000) to (040) refines the assignment of Song and Cool [X. M. Song and T. A. Cool, J. Chem. Phys. 96, 8664 (1992)] to yield a set of rotational constants that vary with K in relation to v2, together with a higher-order contribution to the Renner–Teller splitting in HCO, which is mirrored in DCO for all levels but (040). The (040) band falls at a frequency that is commensurate with that of CD stretch, and Fermi resonance between 3pπ 2Π(1000)Π and the higher-energy (040) K=1(Π) component gives rise to an added splitting that increases the energy of this (040) component and causes an apparent increase in the Renner parameter. © 2002 American Institute of Physics.
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  • 4
    Electronic Resource
    Electronic Resource
    Bradford : Emerald
    Journal of financial regulation and compliance 10 (2002), S. 336-340 
    ISSN: 1358-1988
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: A common perception is that, as investors in hedge funds are afforded a lesser level of legal and regulatory protections than investors in regulated products, there is a deficiency in the degree of transparency and disclosure afforded to them. This paper examines from a largely UK perspective whether that is, in practice, the case.
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  • 5
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    Marketing intelligence & planning 20 (2002), S. 417-427 
    ISSN: 0263-4503
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: This study examines the role of the auctioneer's strategy used in determining pricing at art auctions. It characterizes the role of auctioneers, prices at which the paintings were sold and tests a series of hypotheses about their behavior. This is done using pricing data from an auction of paintings. It examines the relationship between the auctioneer's estimates and realized prices. It determines whether the auctioneer and the market evaluate different attributes of different paintings differently and, finally, an analysis is undertaken on the determinants of prices in the art market as suggested by hedonic regression.
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  • 6
    Electronic Resource
    Electronic Resource
    Bingley : Emerald
    The @journal of product & brand management 9 (2000), S. 369-388 
    ISSN: 1061-0421
    Source: Emerald Fulltext Archive Database 1994-2005
    Topics: Economics
    Notes: Successful companies encounter unique competitive challenges. However, there are several product strategy initiatives that are relevant to all organizations seeking to develop market-driven strategies. Key initiatives include the leveraging the business design, recognizing the growth mandate, developing market vision, achieving a capabilities/value match, exploring strategic relationships, building strong brands, brand leveraging, and recognizing the advantages of proactive cannibalization. We propose a product strategy agenda for review by executives in identifying which initiatives should be assessed relative to the needs of their organization.
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  • 7
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Nutrition 20 (2000), S. 249-272 
    ISSN: 0199-9885
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Pregnancy and lactation are periods of high calcium requirement. This review highlights recent advances in our understanding of calcium and bone metabolism during human pregnancy and lactation and discusses the findings in relation to the calcium nutrition of the mother. The evidence indicates that pregnancy and lactation are characterized by physiological adaptive processes that are independent of maternal calcium intake and that provide the calcium necessary for fetal growth and breast-milk production without requiring an increase in maternal calcium intake. There are firm data that demonstrate that a low calcium intake during lactation does not lead to impaired lactational performance or to exaggerated bone loss. However, more research is required to define whether a low calcium intake prior to or during pregnancy can have deleterious effects on reproductive and lactational performance, and on the long-term health of the mother and child.
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  • 8
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Stem cells are undifferentiated long-lived cells that are capable of many rounds of division. Here we show that adult human liver cells can be derived from stem cells originating in the bone marrow or circulating outside the liver, raising the possibility that blood-system ...
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  • 9
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Gram-negative bacterium Yersinia pestis is the causative agent of the systemic invasive infectious disease classically referred to as plague, and has been responsible for three human pandemics: the Justinian plague (sixth to eighth centuries), the Black Death (fourteenth to nineteenth ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 413 (2001), S. 129-130 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The exceptionally broad species diversity of vascular plant genera in east Asian temperate forests, compared with their sister taxa in North America, has been attributed to the greater climatic diversity of east Asia, combined with opportunities for allopatric speciation afforded by repeated ...
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