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  • 2010-2014  (894)
  • 1980-1984  (430)
  • 1960-1964  (82)
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  • 1
    Monograph available for loan
    Monograph available for loan
    Climate change 2013 : the physical science basis ; Working Group I contribution to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (2014)
    New York, NY [u.a.] : Cambridge Univ. Press
    Details Availability
    Call number: PIK N 071-14-0125 ; PIK N 071-14-0124 ; AWI A3-14-0043
    Description / Table of Contents: Contents: Summary for policy makers ; Technical summary ; 1. Introduction ; 2. Observations: atmosphere and surface ; 3. Observations: ocean ; 4. Observations: cryosphere ; 5. Information from paleoclimate archives ; 6. Carbon and other biogeochemical cycles ; 7. Clouds and aerosols ; 8. Anthropogenic and natural radiative forcing ; 9. Evaluation of climate models ; 10. Detection and attribution of climate change: from global to regional ; 11. Near-term climate change: projections and predictability ; 12. Long-term climate change: projections, commitments and irreversibility ; 13. Sea level change ; 14. Climate phenomena and their relevance for future regional climate change ; Annex I. Atlas of global and regional climate projections ; Annex II. Climate system scenario tables ; Annex III. Glossary ; Annex IV. Acronyms ; Annex V. Contributors ; Annex VI. Expert reviewers
    Type of Medium: Monograph available for loan
    Pages: XI, 1535 S. : Ill., graph. Darst., Kt.
    ISBN: 9781107661820
    URL: http://www.climatechange2013.org/images/report/WG1AR5_ALL_FINAL.pdf
    Location: A 18 - must be ordered
    Location: A 18 - must be ordered
    Branch Library: PIK Library
    Branch Library: PIK Library
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Stable isotopes in sedimentary geology (1983)
    Tulsa, Okla. : Society of Economic Paleontologists and Mineralogists
    Associated volumes
    Details Availability
    Call number: AWI G5-98-0371
    In: SEPM short course, No. 10
    Type of Medium: Monograph available for loan
    Pages: Getrennte Zählung , Illustrationen , 30 cm
    Series Statement: SEPM short course 10
    Language: English
    Note: CONTENTS: Introduction / Michael A. Arthur. - Chapter 1: Stable isotopes of oxygen and carbon and their application to sedimentologic and paleoenvironmental problems / Thomas F. Anderson and Michael A. Arthur. - Chapter 2: Stable isotopes of sulfur, nitrogen and deuterium in recent marine environments / Ian R. Kaplan. - Chapter 3: Chemical diagenesis of carbonates: theory and application of trace element technique / Ján Veizer. - Chapter 4: The application of stable isotopes to studies of the origin of dolomite and to problems of diagenesis of clastic sediments / Lynton S. Land. - Bibliography.
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 3
    Series available for loan
    Series available for loan
    Transport of water in frozen soil : I. Experimental determination of soil-water diffusivity under isothermal conditions (1983)
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Details Availability
    Call number: ZSP-201-83/22
    In: CRREL Report, 83-22
    Description / Table of Contents: A new experimental method for measuring the soil-water diffusivity of frozen soil under isothermal conditions is introduced. The theoretical justification of the method is presented and the feasibility of the method is demonstrated by experiments conducted using marine-deposited clay. The measured values of the soil-water diffusivity are found comparable to reported experimental data.
    Type of Medium: Series available for loan
    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 83-22
    URL: https://apps.dtic.mil/docs/citations/ADA135419
    URL: https://hdl.handle.net/11681/9297
    Language: English
    Location: AWI Archive
    Branch Library: AWI Library
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  • 4
    Electronic Resource
    Electronic Resource
    Protamine inhibits platelet derived growth factor receptor activity but not epidermal growth factor activity (1984)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 26 (1984), S. 205-220 
    Details
    ISSN: 0730-2312
    Keywords: PDGF ; EGF ; receptor ; oncogenes ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Protamine sulfate blocked 125I-PDGF binding to its specific physiological receptor on Swiss mouse 3T3 cells. Reduced 125I-PDGF binding in the presence of protamine sulfate correlated directly with a protamine sulfate dose-dependent decrease in the PDGF-dependent incorporation of [3H]-thymidine into 3T3 cells and a decreased PDGF-stimulated tyrosine-specific protein kinase activity in isolated membrane preparations of 3T3 cells. Protamine sulfate blocked 125I-PDGF binding to simian sarcoma virus transformed cells (SSV-NIH 3T3 and SSV-NPl cells) and to nontransformed cells in a manner qualitatively identical to unlabelled PDGF. In contrast, protamine sulfate enhanced the specific binding of 125I-EGF by increasing the apparent number of EGF receptors on the cell surface. The increase in 125I-EGF receptor binding was not prevented by cycloheximide nor by actinomycin D. Protamine sulfate did not affect 125I-EGF binding to membranes from 3T3 cells or the EGF-stimulated 3T3 cell membrane tyrbsinc specific protein kinase activity, suggesting that protamine sulfate may have exposed a population of cryptic EGF receptors otherwise not accessible. Protamine sulfate was fractionated into four active fractions by Sephadex G-50 gel filtration columns; the half maximum inhibition concentration of 125I-PDGF binding to 3T3 cells of protamines I and II (MW ∼ 11,000 daltons and 7,000 daltons, respectively) is ∼ 0.4 μM. Protamine II (MW ∼ 4,800 daltons) was equally active (half maximum inhibition concentration ∼ 0.4 μM); protamine IV (MW ∼ 3,300 daltons) was substantially less active (half maximum inhibition concentration ∼ 2.8 μM).These investigations have extended previous observations that protamine sulfate is a potent inhibitor of PDGF binding and establish that protamine sulfate blocks PDGF binding at the physiological receptor, preventing PDGF initiated biological activities. Protamine sulfate can be used as a reagent to separate the influence of PDGF and EGF on cells with high specificity and has been used to demonstrate that the receptors on simian sarcoma virus transformed 3T3 cells qualitatively respond identically to protamine sulfate as to unlabelled PDGF and are likely identical to those on nontransformed 3T3 cells.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcb.240260402
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    Paper (German National Licenses)
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  • 5
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    Part XV. Assay of hypoglycemic agents in man (1962)
    Wiley
    Details
    Publication Date: 1962-07-01
    Print ISSN: 0009-9236
    Electronic ISSN: 1532-6535
    Topics: Chemistry and Pharmacology , Medicine
    Published by Wiley
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    PAPER CURRENT
  • 6
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    Protamine inhibits platelet derived growth factor receptor activity but not epidermal growth factor activity (1984)
    Wiley
    Details
    Publication Date: 1984-01-01
    Print ISSN: 0730-2312
    Electronic ISSN: 1097-4644
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Published by Wiley
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  • 7
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    A Background Noise Reduction Technique Using Adaptive Noise Cancellation for Microphone Arrays (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Background noise in wind tunnel environments poses a challenge to acoustic measurements due to possible low or negative Signal to Noise Ratios (SNRs) present in the testing environment. This paper overviews the application of time domain Adaptive Noise Cancellation (ANC) to microphone array signals with an intended application of background noise reduction in wind tunnels. An experiment was conducted to simulate background noise from a wind tunnel circuit measured by an out-of-flow microphone array in the tunnel test section. A reference microphone was used to acquire a background noise signal which interfered with the desired primary noise source signal at the array. The technique s efficacy was investigated using frequency spectra from the array microphones, array beamforming of the point source region, and subsequent deconvolution using the Deconvolution Approach for the Mapping of Acoustic Sources (DAMAS) algorithm. Comparisons were made with the conventional techniques for improving SNR of spectral and Cross-Spectral Matrix subtraction. The method was seen to recover the primary signal level in SNRs as low as -29 dB and outperform the conventional methods. A second processing approach using the center array microphone as the noise reference was investigated for more general applicability of the ANC technique. It outperformed the conventional methods at the -29 dB SNR but yielded less accurate results when coherence over the array dropped. This approach could possibly improve conventional testing methodology but must be investigated further under more realistic testing conditions.
    Keywords: Acoustics
    Type: NF1676L-11638 , 17th AIAA/CEAS Aeroacoustics Conference; Jun 06, 2011 - Jun 08, 2011; Portland, OR; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Geochemistry for sediment core MD02-2496 (2014)
    PANGAEA
    In:  Supplement to: Chang, Alice S; Pedersen, Thomas F; Hendy, Ingrid L (2014): Effects of productivity, glaciation, and ventilation on late Quaternary sedimentary redox and trace element accumulation on the Vancouver Island margin, western Canada. Paleoceanography, 29(7), 730-746, https://doi.org/10.1002/2013PA002581
    Details
    Publication Date: 2023-06-27
    Description: Variations in chalcophile and redox-sensitive trace elements are examined at high-resolution intervals from a ~50 kyr long sediment core (MD02-2496) from the Vancouver Island margin. Enrichments of Ag, Cd, Re, U, and Mo above lithogenous levels, signifying sedimentary suboxia and anoxia, occurred during the early Holocene and Bølling/Allerød, and during warm interstadial events of Marine Isotope Stage (MIS) 3. Down-core trace element profiles co-vary with productivity proxy records (opal, CaCO3, and marine organic carbon), and with sedimentary nitrogen isotope ratios, which reflect variably enriched nitrate upwelled from intermediate waters that were transported northward from the Eastern Tropical North Pacific. The similarity of the MD02-2496 record with records from the southern portion of the California Current System (CCS), and to the Greenland ice core oxygen isotope record during warm climate intervals, suggests that sedimentary redox conditions along the California Current responded to local productivity, to North Atlantic climate change and to tropical Pacific surface water processes via long-distance teleconnections. Concentrations of trace elements and productivity proxies were relatively depleted during the Younger Dryas, cool stadial events of MIS 3, and in two episodes of glaciomarine sedimentation from ~14.7 to 30.5 kyr BP (last glacial maximum, LGM), and from 44 to 50.4 kyr BP. Cordilleran Ice Sheet advancement onto the Vancouver Island continental shelf during the LGM led to intervals of increased terrigenous sedimentation and greatly reduced productivity not seen in the southern portion of the CCS, and along with ventilation of North Pacific Intermediate Waters, resulted in brief sedimentary oxic conditions.
    Keywords: AGE; Aluminium; Barium; Barium/Aluminium ratio; British Columbia Margin; Cadmium; Cadmium/Aluminium ratio; Calcium carbonate; Carbon, organic, fraction; Carbon, organic, marine matter; Carbon, organic, terrestrial matter; Carbon, organic, total; Carbon, total; Carbon in carbonate; Chlorinity; Depth, corrected; DEPTH, sediment/rock; Giant piston corer; GPC; IMAGES; IMAGES VIII - MONA; International Marine Global Change Study; interpolated; Iron; Iron/Aluminium ratio; Manganese; Manganese/Aluminium ratio; Marion Dufresne (1995); MD022496; MD02-2496; MD126; Molybdenum; Molybdenum/Aluminium ratio; Nitrogen, total; Opal, biogenic silica; Rhenium; Rhenium/Aluminium ratio; Salt-corrected; Silicon; Silver; Silver/Aluminium ratio; Uranium; Uranium/Aluminium ratio; δ13C, organic carbon; δ15N, bulk sediment
    Type: Dataset
    Format: text/tab-separated-values, 34073 data points
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    DATA PANGAEA
  • 9
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    Measurements of stable carbon isotope ratios of CO2 over the last 24000 years and CO2 concentration measurements on Antarctic ice cores using three different methods (2012)
    PANGAEA
    In:  Supplement to: Schmitt, Jochen; Schneider, Robert; Elsig, Joachim; Leuenberger, Daiana; Lourantou, Anna; Chappellaz, Jérôme A; Köhler, Peter; Joos, Fortunat; Stocker, Thomas F; Leuenberger, Markus Christian; Fischer, Hubertus (2012): Carbon isotope constraints on the deglacial CO2 rise from ice cores. Science, 336(6082), 711-714, https://doi.org/10.1126/science.1217161
    Details
    Publication Date: 2023-07-12
    Description: The stable carbon isotope ratio of atmospheric CO2 (d13Catm) is a key parameter in deciphering past carbon cycle changes. Here we present d13Catm data for the past 24,000 years derived from three independent records from two Antarctic ice cores. We conclude that a pronounced 0.3 per mil decrease in d13Catm during the early deglaciation can be best explained by upwelling of old, carbon-enriched waters in the Southern Ocean. Later in the deglaciation, regrowth of the terrestrial biosphere, changes in sea surface temperature, and ocean circulation governed the d13Catm evolution. During the Last Glacial Maximum, d13Catm and atmospheric CO2 concentration were essentially constant, which suggests that the carbon cycle was in dynamic equilibrium and that the net transfer of carbon to the deep ocean had occurred before then.
    Keywords: Antarctica; Dome C; DRILL; Drilling/drill rig; EDC96; EDC99; EPICA; European Project for Ice Coring in Antarctica; ICEDRILL; Ice drill; TALDICE; Talos_Dome
    Type: Dataset
    Format: application/zip, 6 datasets
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    DATA PANGAEA
  • 10
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    Calcium and sodium concentrations of the Talos Dome ice core, Antarctica (2014)
    PANGAEA
    In:  Supplement to: Schüpbach, Simon; Federer, Urs; Kaufmann, Patrik R; Albani, Samuel; Barbante, Carlo; Stocker, Thomas F; Fischer, Hubertus (2013): High-resolution mineral dust and sea ice proxy records from the Talos Dome ice core. Climate of the Past, 9(6), 2789-2807, https://doi.org/10.5194/cp-9-2789-2013
    Details
    Publication Date: 2023-10-19
    Description: In this study we report on new non-sea salt calcium (nssCa2+, mineral dust proxy) and sea salt sodium (ssNa+, sea ice proxy) records along the East Antarctic Talos Dome deep ice core in centennial resolution reaching back 150 thousand years (ka) before present. During glacial conditions nssCa2+ fluxes in Talos Dome are strongly related to temperature as has been observed before in other deep Antarctic ice core records, and has been associated with synchronous changes in the main source region (southern South America) during climate variations in the last glacial. However, during warmer climate conditions Talos Dome mineral dust input is clearly elevated compared to other records mainly due to the contribution of additional local dust sources in the Ross Sea area. Based on a simple transport model, we compare nssCa2+ fluxes of different East Antarctic ice cores. From this multi-site comparison we conclude that changes in transport efficiency or atmospheric lifetime of dust particles do have a minor effect compared to source strength changes on the large-scale concentration changes observed in Antarctic ice cores during climate variations of the past 150 ka. Our transport model applied on ice core data is further validated by climate model data. The availability of multiple East Antarctic nssCa2+ records also allows for a revision of a former estimate on the atmospheric CO2 sensitivity to reduced dust induced iron fertilisation in the Southern Ocean during the transition from the Last Glacial Maximum to the Holocene (T1). While a former estimate based on the EPICA Dome C (EDC) record only suggested 20 ppm, we find that reduced dust induced iron fertilisation in the Southern Ocean may be responsible for up to 40 ppm of the total atmospheric CO2 increase during T1. During the last interglacial, ssNa+ levels of EDC and EPICA Dronning Maud Land (EDML) are only half of the Holocene levels, in line with higher temperatures during that period, indicating much reduced sea ice extent in the Atlantic as well as the Indian Ocean sector of the Southern Ocean. In contrast, Holocene ssNa+ flux in Talos Dome is about the same as during the last interglacial, indicating that there was similar ice cover present in the Ross Sea area during MIS 5.5 as during the Holocene.
    Keywords: AGE; Calcium; CFA; Continuous Flow Analysis; DEPTH, ice/snow; ICEDRILL; Ice drill; Sodium ion; TALDICE; Talos_Dome
    Type: Dataset
    Format: text/tab-separated-values, 192552 data points
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    DATA PANGAEA
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