ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    facet.materialart.
    Unknown
    A search for the volcanomagnetic signal at Deception volcano (South Shetland I., Antarctica) (2006)
    Details
    Publication Date: 2019-11-04
    Description: After the increase in seismic activity detected during the 1991-1992 summer survey at Deception Island, the continuous measurement of total magnetic intensity was included among the different techniques used to monitor this active volcano. The Polish geomagnetic observatory Arctowski, located on King George Island, served as a reference station, and changes in the differences between the daily mean values at both stations were interpreted as indicators of volcanomagnetic effects at Deception. A magnetic station in continuous recording mode was also installed during the 1993-1994 and 1994-1995 surveys. During the latter, a second magnetometer was deployed on Deception Island, and a third one in the vicinity of the Spanish Antarctic Station on Livingston Island (at a distance of 35 km) and was used as a reference station. The results from the first survey suggest that a small magma injection, responsible for the seismic re-activation, could produce a volcanomagnetic effect, detected as a slight change in the difference between Deception and Arctowski. On the other hand, a long term variation starting at that moment seems to indicate a thermomagnetic effect. However the short register period of only two stations do not allow the sources to be modelled. The future deployment of a magnetic array during the austral summer surveys, throughout the volcano, and of a permanent geomagnetic observatory at Livingston I. is aimed at further observations of magnetic transients of volcanic origin at Deception Island.
    Description: JCR Journal
    Description: open
    Keywords: Deception Island ; volcanomagnetic signal ; Antartica ; 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 2479910 bytes
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 2
    facet.materialart.
    Unknown
    High-resolution aeromagnetic survey of the Teide volcano (Canary Islands): a preliminary analysis (2006)
    Details
    Publication Date: 2019-11-04
    Description: To contribute to our understanding of the structure of the Teide volcano, a detailed aeromagnetic survey was carried out covering the area of Las Cañadas caldera and the Teide-Pico Viejo complex. Taking into account the rugged relief of the area (altitude ranges from sea level to almost 4000 m), a terrain correction has been applied. As a first approximation, the topography has been characterized by a uniform magnetization of 5 Am-1 (based on field and laboratory rock magnetic data). Several enhancement techniques have been applied to the residual map (original map minus topographic effect), such as reduction to the pole, pseudogravity integration and upward continuation. In the reduced-to-the-pole map the large positive anomaly that appears centered to the north of Pico Viejo is noteworthy and could be caused by a basaltic intrusion responsible for the last eruptions in this area. Also, a small magnetic low appears over Teide peak, which should be related to slightly-magnetized shallow phonolitic materials. The main tectonic direction of Tenerife, SW-NE, is also clearly reflected on the magnetic anomaly map. The comparison between the pseudogravity and the Bouguer anomaly maps indicates a good correlation between magnetic and gravimetric sources.
    Description: JCR Journal
    Description: open
    Keywords: Teide ; Aeromagnetic anomalies ; topographic correction ; 04. Solid Earth::04.02. Exploration geophysics::04.02.04. Magnetic and electrical methods ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 4432656 bytes
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER (OA)
  • 3
    facet.materialart.
    Unknown
    Male fertility and sex ratio at birth in red deer (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-12-02
    Description: Efforts to test sex ratio theory have focused mostly on females. However, when males possess traits that could enhance the reproductive success of sons, males would also benefit from the manipulation of the offspring sex ratio. We tested the prediction that more-fertile red deer males produce more sons. Our findings reveal that male fertility is positively related to the proportion of male offspring. We also show that there is a positive correlation between the percentage of morphologically normal spermatozoa (a main determinant of male fertility) and the proportion of male offspring. Thus, males may contribute significantly to biases in sex ratio at birth among mammals, creating the potential for conflicts of interest between males and females.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gomendio, Montserrat -- Malo, Aurelio F -- Soler, Ana J -- Fernandez-Santos, Maria R -- Esteso, Milagros C -- Garcia, Andres J -- Roldan, Eduardo R S -- Garde, Julian -- New York, N.Y. -- Science. 2006 Dec 1;314(5804):1445-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Reproductive Ecology and Biology Group, Department of Evolutionary Ecology, Museo Nacional de Ciencias Naturales [Consejo Superior de Investigaciones Cientificas (CSIC)], 28006-Madrid, Spain. montseg@mncn.csic.es〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17138900" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Deer/*physiology ; Female ; *Fertility ; Fertilization ; Male ; Reproduction ; *Sex Ratio ; Sperm Motility ; Spermatozoa/cytology ; X Chromosome ; Y Chromosome
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 4
    facet.materialart.
    Unknown
    Debating sexual selection and mating strategies (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-05-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pizzari, Tommaso -- Birkhead, Tim R -- Blows, Mark W -- Brooks, Rob -- Buchanan, Katherine L -- Clutton-Brock, Tim H -- Harvey, Paul H -- Hosken, Dave J -- Jennions, Michael D -- Kokko, Hanna -- Kotiaho, Janne S -- Lessells, C M -- Macias-Garcia, Constantino -- Moore, Allen J -- Parker, Geoff A -- Partigridge, Linda -- Pitnick, Scott -- Radwan, Jacek -- Ritchie, Mike -- Sheldon, Ben C -- Simmons, Leigh W -- Snook, Rhonda R -- Stockley, Paula -- Zuk, Marlene -- New York, N.Y. -- Science. 2006 May 5;312(5774):689-97; author reply 689-97.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16680817" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biological Evolution ; Female ; Male ; Reproduction ; Sex Characteristics ; *Sexual Behavior, Animal ; *Social Behavior
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
  • 5
    facet.materialart.
    Unknown
    Reducing the racial achievement gap: a social-psychological intervention (2006)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2006-09-02
    Description: Two randomized field experiments tested a social-psychological intervention designed to improve minority student performance and increase our understanding of how psychological threat mediates performance in chronically evaluative real-world environments. We expected that the risk of confirming a negative stereotype aimed at one's group could undermine academic performance in minority students by elevating their level of psychological threat. We tested whether such psychological threat could be lessened by having students reaffirm their sense of personal adequacy or "self-integrity." The intervention, a brief in-class writing assignment, significantly improved the grades of African American students and reduced the racial achievement gap by 40%. These results suggest that the racial achievement gap, a major social concern in the United States, could be ameliorated by the use of timely and targeted social-psychological interventions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Geoffrey L -- Garcia, Julio -- Apfel, Nancy -- Master, Allison -- New York, N.Y. -- Science. 2006 Sep 1;313(5791):1307-10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Psychology, University of Colorado, Muenzinger Psychology Building, Boulder, CO 80309-0345, USA. cohen.geoff@gmail.com〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/16946074" target="_blank"〉PubMed〈/a〉
    Keywords: *Achievement ; Adolescent ; African Americans/*psychology ; Double-Blind Method ; Educational Measurement ; *Educational Status ; Female ; Humans ; Male ; Minority Groups/*psychology ; *Psychology, Social ; *Self Concept ; *Social Perception ; Social Values ; Stereotyping ; Stress, Psychological ; United States
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    PAPER CURRENT
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...