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  • 1
    Online Resource
    Online Resource
    Optical tools for ocean monitoring and research (2009)
    Associated volumes
    Details Availability
    In: Ocean science, Katlenburg-Lindau : Copernicus Publ., 2005, 5(2009), 4, Seite 661-684, 1812-0792
    In: volume:5
    In: year:2009
    In: number:4
    In: pages:661-684
    Description / Table of Contents: Requirements for understanding the relationships between ocean color and suspended and dissolved materials within the water column, and a rapidly emerging photonics and materials technology base for performing optical based analytical techniques have generated a diverse offering of commercial sensors and research prototypes that perform optical measurements in water. Through inversion, these tools are now being used to determine a diverse set of related biogeochemical and physical parameters. Techniques engaged include measurement of the solar radiance distribution, absorption, scattering, stimulated fluorescence, flow cytometry, and various spectroscopy methods. Selective membranes and other techniques for material isolation further enhance specificity, leading to sensors for measurement of dissolved oxygen, methane, carbon dioxide, common nutrients and a variety of other parameters. Scientists are using these measurements to infer information related to an increasing set of parameters and wide range of applications over relevant scales in space and time.
    Type of Medium: Online Resource
    Pages: Ill., graph. Darst
    ISSN: 1812-0792
    URL: http://www.ocean-sci.net/5/661/2009/os-5-661-2009.html
    Language: English
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  • 2
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    Imaging the deep structure of the San Andreas Fault south of Hollister with joint analysis of fault zone head and direct P arrivals (2007)
    Blackwell Publishing
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © Blackwell, 2007. This article is posted here by permission of Blackwell for personal use, not for redistribution. The definitive version was published in Geophysical Journal International 169 (2007): 1028–1042, doi:10.1111/j.1365-246X.2006.03319.x.
    Description: We perform a joint inversion of arrival time data generated by direct P and fault zone (FZ) head waves in the San Andreas Fault south of Hollister, CA, to obtain a high-resolution local velocity structure. The incorporation of head waves allows us to obtain a sharp image of the overall velocity contrast across the fault as a function of depth, while the use of near-fault data allows us to resolve internal variations in the FZ structure. The data consist of over 9800 direct P and over 2700 head wave arrival times from 450 events at up to 54 stations of a dense temporary seismic array and the permanent northern California seismic network in the area. One set of inversions is performed upon the whole data set, and five inversion sets are performed on various data subsets in an effort to resolve details of the FZ structure. The results imply a strong contrast of P-wave velocities across the fault of ~50 per cent in the shallow section, and lower contrasts of 10–20 per cent below 3 km, with the southwest being the side with faster velocities. The presence of a shallow low velocity zone around the fault, which could corresponds to the damage structures imaged in trapped wave studies, is detected by inversions using subsets of the data made up of only stations close to the fault. The faster southwest side of the fault shows the development of a shallow low velocity FZ layer in inversions using instruments closer and closer to the fault (〈5 and 〈2 km). Such a feature is not present in results of inversions using only stations at greater distances from the fault. On the slower northeast side of the fault, the presence of a low velocity shallow layer is only detected in the inversions using the stations within 2 km of the fault. We interpret this asymmetry across the fault as a possible indication of a preferred propagation direction of earthquake ruptures in the region. Using events from different portions of the fault, the head wave inversions also resolve small-scale features of the fault visible in the surface geology and relocated seismicity.
    Keywords: Fault models ; Head waves ; Interfaces ; Low-velocity zone ; Seismic velocities ; Tomography
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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    PAPER (OA)
  • 3
    Electronic Resource
    Electronic Resource
    Pyodermatitis–pyostomatitis vegetans complicated by methicillin-resistant Staphylococcus aureus infection (2005)
    Oxford, UK : Blackwell Science Ltd
    Clinical and experimental dermatology 30 (2005), S. 0 
    Details
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Pyodermatitis–pyostomatitis vegetans (PPV), a rare disorder of the skin and oral mucosa, is considered a highly specific marker for inflammatory bowel disease, especially ulcerative colitis (UC). Oral lesions (pyostomatitis vegetans) are seen without skin involvement but rarely without gastrointestinal symptoms. Bowel symptoms may be minimal and precede the onset of other lesions by months or years. Dermatologically, PPV is characterized by annular, pustular lesions, which may precede or appear at the same time as the oral lesions. We report a case of PPV and UC in which presentation was confused by acneiform lesions and methicillin-resistant Staphylococcus aureus colonization. Management was complicated because of the patient's job commitments and need to travel, and the involvement of a number of different specialities at different locations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2230.2005.01906.x
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    Paper (German National Licenses)
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  • 4
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    Optical tools for ocean monitoring and research (2009)
    Copernicus Publications (EGU)
    In:  Ocean Science, 5 . pp. 661-684.
    Details
    Publication Date: 2016-10-11
    Description: Requirements for understanding the relationships between ocean color and suspended and dissolved materials within the water column, and a rapidly emerging photonics and materials technology base for performing optical based analytical techniques have generated a diverse offering of commercial sensors and research prototypes that perform optical measurements in water. Through inversion, these tools are now being used to determine a diverse set of related biogeochemical and physical parameters. Techniques engaged include measurement of the solar radiance distribution, absorption, scattering, stimulated fluorescence, flow cytometry, and various spectroscopy methods. Selective membranes and other techniques for material isolation further enhance specificity, leading to sensors for measurement of dissolved oxygen, methane, carbon dioxide, common nutrients and a variety of other parameters. Scientists are using these measurements to infer information related to an increasing set of parameters and wide range of applications over relevant scales in space and time.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.5194/os-5-661-2009
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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