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Textural characteristics of foreshore sediments along Karnataka shoreline,west coast of India

International Journal of Sediment Research 2011年第3期26卷 364-375页

作者： G.Udhaba DORA V.Sanil KUMAR c.sajiv philip Glejin JOHNSON P.VINAYARAJ R.GOWTHAMAN Ocean Engineering Division National Institute of Oceanography(Council of Scientific & Industrial Research)Dona PaulaGoa-403 004India

Grain character analysis of beach sediments along three selected beaches(Pavinkurve,Kundapura and Padukare)of Karnataka coast,west coast of India is carried out in the present *** objective was to identify the textural behavior of beach sediments during an annual cycle from March 2008 to February *** characteristics such as central tendency,sorting,kurtosis and skewness were estimated using GRADISTAT and *** maximum(62%)sediment samples were medium sand with unimodal and bimodal characters at all the three *** median values varied in between-0.04φand 2.74φwith an average value of 1.61φ.The beaches were characterized as well sorted,moderately well sorted and moderately sorted sediment *** were identified as fine skewed to coarse skewed with platykurtic,mesokurtic and leptokurtic characters. Grain characteristics varied spatially and temporally along with beach orientation,foreshore slope and wave action.A negative correlation between mean and sorting is identified for maximum number samples along the study region but not very *** study shows that the sedimentary environment at Kundapura were influenced by relatively high wave action compared to Padukare and Pavinkurve beach and the beaches were under erosion or non-deposition with strong winnowing process.

关键词： cumulative percentage distribution central tendency Sorting Skewness Kurtosis

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Quantitative Estimation of coastal changes Along Selected Locations of Karnataka, India: A GIS and Remote Sensing Approach

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International Journal of Geosciences 2011年第4期2卷 385-393页

作者： P. Vinayaraj Glejin Johnson G. Udhaba Dora c. sajiv philip V. Sanil Kumar R. Gowthaman 不详

Qualitative and quantitative studies on changes of coastal geomorphology and shoreline of Karnataka, India have been carried out using toposheets of Survey of India and satellite imageries (IRS-P6 and IRS-1D). changes during 30 years period are studied at each station. Significant morphological changes in landforms like spit, channel Island, coastal plain, tidal flat, lateritic plain, alluvial plain and sand bar within and adjcent to estuarine river mouths of Kali, Sharavathi, Kollur-chakkara - Haladi and Udyavara Rivers are observed. The study indicates that gradual erosion is observed at i) Karwar spit along the northern side of the Kali river mouth, ii) the spit at the southern side of the Sharavathi river mouth and iii) at some regions of Kundapur.

关键词： coastal Geomorphology Shoreline coastal zone Erosion Accretion Beach

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Atypical manifestation of herpes esophagitis in an immunocompetent patient: case report and literature review

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World Journal of clinical Infectious Diseases 2017年第3期7卷 46-49页

作者： Fabiola c Rios de choudens sajiv Sethi Shuchi Pandya Sowmya Nanjappa John N Greene Department of Internal Medicine Morsani College of Medicine University of South Florida Department of Infectious Disease University of South Florida Department of Internal Hospital Medicine Department of Oncologic Sciences H. Lee Moffitt Cancer Center and Research Institute Department of Internal Hospital Medicine Moffitt Cancer Center and Research Institute

Herpes simplex virus(HSV) is known to cause esophagitis in immunosuppressed patients; however, it is rarely seen in immunocompetent patients. We present a unique case of HSV esophagitis in a healthy male, without any immunocompromising conditions or significant comorbidities. The patient presented with a two-week history of dysphagia, odynophagia and epigastric pain. Physical exam revealed oral hyperemia without any visible ulcers or vesicles. He underwent esophagogastroduodenoscopy which noted severe esophagitis with ulceration. Esophageal biopsies were positive for HSV. Serology was positive for HSV as well. After initiating treatment with Famciclovir 250 mg 3 times/d, high dose proton pump inhibitor and sucralfate, patient had complete resolution of symptoms at his 2.5 wk follow up appointment. Subsequent workup did not reveal any underlying immune disorders. While HSV is a known causative of esophagitis in the immunocompromised, its presentation in healthy patients without any significant comorbidity is uncommon. Presentation with a systemic viral prodrome further makes this case unique.

关键词： Immunocompromised Herpes Esophagitis

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