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  • 1
    Call number: SR 90.0089(14)
    In: Schriftenreihe
    Type of Medium: Series available for loan
    Pages: 102 S.
    Series Statement: Schriftenreihe / Studiengang Vermessungswesen, Universität der Bundeswehr München 14
    Language: German
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
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    In:  Eos, Trans., Am. Geophys. Un., Warszawa, Zaklad Geofizyki Polskiej Akademii Nauk, vol. 81, no. 44, pp. 513, 516 & 520, pp. L24306, (ISBN: 0534351875, 2nd edition)
    Publication Date: 2000
    Keywords: remote ; sensing ; Crustal deformation (cf. Earthquake precursor: deformation or strain)
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  • 3
    Publication Date: 2011-08-06
    Description: We investigate the formation of the outflow channels Dao and Niger Valles near the eastern rim of the Hellas impact basin, Mars. Methods used include image and topography analysis, surface age determination, and finite element modeling. Observations show that deep depressions, source regions for Dao and Niger Valles, are located in an area of shallow subsidence to the south and east of the volcano Hadriaca Patera. Cratering model ages allow for fluvial processes triggered by volcanic loading. Based on the observations, we develop a numerical model of volcanic loading on top of a poroelastic plate leading to flexure and fracturing of the lithosphere. Modeling results show that fracturing may occur up to a depth of about 6 km within an area of shallow subsidence, i.e., the moat surrounding the volcano. Depending on initial aquifer pressurization, groundwater could have reached the surface. Model discharges and channel morphometry suggest that the Dao Vallis channel never reached bankfull flow and that the wetted channel perimeter may have formed during multiple outflow events. The following scenario is proposed: (1) emplacement of a volcanic load on top of a confined, overpressurized aquifer in the early Hesperian, (2) fracturing around the load, possibly reactivated during various stages of volcanic activity, (3) channeling of groundwater to the surface along fractures and outflow channel formation during several events in the Hesperian, and (4) collapse, mass wasting and modification of depressions in the Amazonian.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 4
    Publication Date: 2014-11-13
    Description: The small crater Airy-0 was selected from Mariner 9 images to be the reference for the Mars prime meridian. Initial analyses in the year 2000 tied Viking Orbiter and Mars Orbiter Camera images of Airy-0 to the evolving Mars Orbiter Laser Altimeter global digital terrain model to update the location of Airy-0. Based upon this tie and radiometric tracking of landers / rovers from earth, new expressions for the Mars spin axis direction, spin rate and prime meridian epoch value were produced to define the orientation of the Martian surface in inertial space over time. Since the Mars Global Surveyor mission and Mars Orbiter Laser Altimeter global digital terrain model were completed some time ago, a more exhaustive study has been performed to determine the accuracy of the Airy-0 location and orientation of Mars at the standard epoch. THEMIS IR image cubes of the Airy and Gale crater regions were tied to the global terrain grid using precision stereo photogrammetric image proce ssing techniques. The Airy-0 location was determined to be about 0.001 ∘ east of its predicted location using the currently defined IAU prime meridian location. Information on this new location and how it was derived will be provided to the NASA Mars Exploration Program Geodesy and Cartography Working Group for their assessment. This NASA group will make a recommendation to the IAU Working Group on Cartographic Coordinates and Rotational Elements to update the expression for the Mars spin axis direction, spin rate and prime meridian location.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 5
    Publication Date: 1992-09-18
    Description: Galileo images of Gaspra reveal it to be an irregularly shaped object (19 by 12 by 11 kilometers) that appears to have been created by a catastrophic collisional disruption of a precursor parent body. The cratering age of the surface is about 200 million years. Subtle albedo and color variations appear to correlate with morphological features: Brighter materials are associated with craters especially along the crests of ridges, have a stronger 1-micrometer absorption, and may represent freshly excavated mafic materials; darker materials exhibiting a significantly weaker 1-micrometer absorption appear concentrated in interridge areas. One explanation of these patterns is that Gaspra is covered with a thin regolith and that some of this material has migrated downslope in some areas.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belton, M J -- Veverka, J -- Thomas, P -- Helfenstein, P -- Simonelli, D -- Chapman, C -- Davies, M E -- Greeley, R -- Greenberg, R -- Head, J -- Murchie, S -- Klaasen, K -- Johnson, T V -- McEwen, A -- Morrison, D -- Neukum, G -- Fanale, F -- Anger, C -- Carr, M -- Pilcher, C -- New York, N.Y. -- Science. 1992 Sep 18;257(5077):1647-52.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17841160" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 1991-09-27
    Description: Images of Venus taken at 418 (violet) and 986 [near-infrared (NIR)] nanometers show that the morphology and motions of large-scale features change with depth in the cloud deck. Poleward meridional velocities, seen in both spectral regions, are much reduced in the NIR In the south polar region the markings in the two wavelength bands are strongly anticorrelated. The images follow the changing state of the upper cloud layer downwind of the subsolar point, and the zonal flow field shows a longitudinal periodicity that may be coupled to the formation of large-scale planetary waves. No optical lightning was detected.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belton, M J -- Gierasch, P J -- Smith, M D -- Helfenstein, P -- Schinder, P J -- Pollack, J B -- Rages, K A -- Ingersoll, A P -- Klaasen, K P -- Veverka, J -- Anger, C D -- Carr, M H -- Chapman, C R -- Davies, M E -- Fanale, F P -- Greeley, R -- Greenberg, R -- Head, J W 3rd -- Morrison, D -- Neukum, G -- Pilcher, C B -- New York, N.Y. -- Science. 1991 Sep 27;253(5027):1531-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17784096" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 1992-01-31
    Description: Multispectral images of the lunar western limb and far side obtained from Galileo reveal the compositional nature of several prominent lunar features and provide new information on lunar evolution. The data reveal that the ejecta from the Orientale impact basin (900 kilometers in diameter) lying outside the Cordillera Mountains was excavated from the crust, not the mantle, and covers pre-Orientale terrain that consisted of both highland materials and relatively large expanses of ancient mare basalts. The inside of the far side South Pole-Aitken basin (〉2000 kilometers in diameter) has low albedo, red color, and a relatively high abundance of iron- and magnesium-rich materials. These features suggest that the impact may have penetrated into the deep crust or lunar mantle or that the basin contains ancient mare basalts that were later covered by highlands ejecta.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Belton, M J -- Head, J W 3rd -- Pieters, C M -- Greeley, R -- McEwen, A S -- Neukum, G -- Klaasen, K P -- Anger, C D -- Carr, M H -- Chapman, C R -- Davies, M E -- Fanale, F P -- Gierasch, P J -- Greenberg, R -- Ingersoll, A P -- Johnson, T -- Paczkowski, B -- Pilcher, C B -- Veverka, J -- New York, N.Y. -- Science. 1992 Jan 31;255(5044):570-6.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17792379" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 8
    Publication Date: 2009-12-17
    Description: Since 2004, Saturn's moon Iapetus has been observed repeatedly with the Imaging Science Subsystem of the Cassini spacecraft. The images show numerous impact craters down to the resolution limit of approximately 10 meters per pixel. Small, bright craters within the dark hemisphere indicate a dark blanket thickness on the order of meters or less. Dark, equator-facing and bright, poleward-facing crater walls suggest temperature-driven water-ice sublimation as the process responsible for local albedo patterns. Imaging data also reveal a global color dichotomy, wherein both dark and bright materials on the leading side have a substantially redder color than the respective trailing-side materials. This global pattern indicates an exogenic origin for the redder leading-side parts and suggests that the global color dichotomy initiated the thermal formation of the global albedo dichotomy.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Denk, Tilmann -- Neukum, Gerhard -- Roatsch, Thomas -- Porco, Carolyn C -- Burns, Joseph A -- Galuba, Gotz G -- Schmedemann, Nico -- Helfenstein, Paul -- Thomas, Peter C -- Wagner, Roland J -- West, Robert A -- New York, N.Y. -- Science. 2010 Jan 22;327(5964):435-9. doi: 10.1126/science.1177088. Epub 2009 Dec 10.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut fur Geologische Wissenschaften, Freie Universitat Berlin, 12249 Berlin, Germany. Tilmann.Denk@fu-berlin.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20007863" target="_blank"〉PubMed〈/a〉
    Keywords: Color ; Extraterrestrial Environment ; *Ice ; *Saturn ; Spacecraft ; Temperature ; *Water
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2012-05-15
    Description: Vesta's surface is characterized by abundant impact craters, some with preserved ejecta blankets, large troughs extending around the equatorial region, enigmatic dark material, and widespread mass wasting, but as yet an absence of volcanic features. Abundant steep slopes indicate that impact-generated surface regolith is underlain by bedrock. Dawn observations confirm the large impact basin (Rheasilvia) at Vesta's south pole and reveal evidence for an earlier, underlying large basin (Veneneia). Vesta's geology displays morphological features characteristic of the Moon and terrestrial planets as well as those of other asteroids, underscoring Vesta's unique role as a transitional solar system body.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaumann, R -- Williams, D A -- Buczkowski, D L -- Yingst, R A -- Preusker, F -- Hiesinger, H -- Schmedemann, N -- Kneissl, T -- Vincent, J B -- Blewett, D T -- Buratti, B J -- Carsenty, U -- Denevi, B W -- De Sanctis, M C -- Garry, W B -- Keller, H U -- Kersten, E -- Krohn, K -- Li, J-Y -- Marchi, S -- Matz, K D -- McCord, T B -- McSween, H Y -- Mest, S C -- Mittlefehldt, D W -- Mottola, S -- Nathues, A -- Neukum, G -- O'Brien, D P -- Pieters, C M -- Prettyman, T H -- Raymond, C A -- Roatsch, T -- Russell, C T -- Schenk, P -- Schmidt, B E -- Scholten, F -- Stephan, K -- Sykes, M V -- Tricarico, P -- Wagner, R -- Zuber, M T -- Sierks, H -- New York, N.Y. -- Science. 2012 May 11;336(6082):687-90. doi: 10.1126/science.1219122.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉German Aerospace Center, Institute of Planetary Research, Berlin, Germany. ralf.jaumann@dlr.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22582254" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 10
    Publication Date: 2003-03-08
    Description: The Cassini Imaging Science Subsystem acquired about 26,000 images of the Jupiter system as the spacecraft encountered the giant planet en route to Saturn. We report findings on Jupiter's zonal winds, convective storms, low-latitude upper troposphere, polar stratosphere, and northern aurora. We also describe previously unseen emissions arising from Io and Europa in eclipse, a giant volcanic plume over Io's north pole, disk-resolved images of the satellite Himalia, circumstantial evidence for a causal relation between the satellites Metis and Adrastea and the main jovian ring, and information on the nature of the ring particles.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Porco, Carolyn C -- West, Robert A -- McEwen, Alfred -- Del Genio, Anthony D -- Ingersoll, Andrew P -- Thomas, Peter -- Squyres, Steve -- Dones, Luke -- Murray, Carl D -- Johnson, Torrence V -- Burns, Joseph A -- Brahic, Andre -- Neukum, Gerhard -- Veverka, Joseph -- Barbara, John M -- Denk, Tilmann -- Evans, Michael -- Ferrier, Joseph J -- Geissler, Paul -- Helfenstein, Paul -- Roatsch, Thomas -- Throop, Henry -- Tiscareno, Matthew -- Vasavada, Ashwin R -- New York, N.Y. -- Science. 2003 Mar 7;299(5612):1541-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Space Sciences, Southwest Research Institute, 1050 Walnut Street, Suite 400, Boulder, CO 80302, USA. carolyn@ciclops.swri.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12624258" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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