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RISS 인기검색어
- 검색키워드
- 저자 : Anthony May (검색결과 4 건)
- 무료
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Late quaternary fluvial incision and aggradation in the Lesser Himalaya, India
Dosseto, Anthony,May, Jan-Hendrik,Choi, Jeong-Heon,Swander, Zachary J.,Fink, David,Korup, Oliver,Hesse, Paul,Singh, Tejpal,Mifsud, Charles,Srivastava, Pradeep Elsevier 2018 Quaternary science reviews Vol.197 No.-
<P><B>Abstract</B></P> <P>Reconstructing how rivers respond to changes in runoff or sediment supply by incising or aggrading has been pivotal in gauging the role of the Indian Summer Monsoon (ISM) as a geomorphic driver in the Himalayas. Here we present new chronological data for fluvial aggradation and incision from the Donga alluvial fan and the upper Alaknanda River, as well as a compilation of previous work. In addition to conventional OSL-SAR (Single-Aliquot Regenerative-Dose) dating method, we have tested and applied pulsed OSL (POSL) dating for quartz samples that include K-rich feldspar inclusions, which is expected to improve the applicability and validity of OSL ages in the Lesser Himalaya. For previously dated deposits, our OSL ages are shown to be systematically older than previously reported ages. These results suggest periods of aggradation in the Alaknanda and Dehradun Valleys mainly between ∼25 and 35 ka. This most likely reflects decreased stream power during periods of weakened monsoon. In addition, in-situ cosmogenic beryllium-10 was used to infer bedrock surface exposure ages, which are interpreted as episodes of active fluvial erosion. Resulting exposure ages span from 3 to 6 ka, suggesting that strath terraces were exposed relatively recently, and incision was dominant through most of the Holocene. In combination, our results support precipitation-driven fluvial dynamics, which regulates the balance between stream power and sediment supply. On a larger spatial scale, however, fluvial dynamics are probably not spatially homogeneous as aggradation could have been taking place in adjacent catchments while incision dominated in the study area.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Himalayan fluvial history is investigated by establishing a chronology of incision and aggradation. </LI> <LI> We dated alluvial fills using POSL and strath terraces with in-situ cosmogenic beryllium-10. </LI> <LI> Aggradation took place between ∼25 and 35 ka, reflecting decreased stream power during periods of weakened monsoon. </LI> <LI> Bedrock exposure ages span from 3 to 6 ka, suggesting that incision was dominant through most of the Holocene. </LI> <LI> Fluvial dynamics is mainly precipitation-driven, which regulates the balance between stream power and sediment supply. </LI> </UL> </P>
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Chinese Herbs for Memory Disorders: A Review and Systematic Analysis of Classical Herbal Literature
Brian H. May,Chuanjian Lu,Yubo Lu,Anthony L. Zhang,Charlie C.L. Xue 사단법인약침학회 2013 Journal of Acupuncture & Meridian Studies Vol.6 No.1
Text mining and other literature-based investigations can assist in identifying natural products for experimental and clinical research. This article details a method for systematically analyzing data derived from the classical Chinese medical literature. We present the results of electronic searches of Zhong Hua Yi Dian (“Encyclopaedia of Traditional Chinese Medicine”), a CD of 1000 premodern (before 1950) medical books, for single herbs, and other natural products used for dementia, memory disorders, and memory improvement. This review explores how the terminology for these disorders has changed over time and which herbs have been used more or less frequently, and compares the results from the premodern literature with the herbs indexed for memory disorders in a modern pharmacopoeia. The searches located 731 citations deriving from 127 different books written between ca. 188 AD and ca. 1920. Of the 110 different natural products identified, those most frequently cited for forgetfulness were yuan zhi (Polygala tenuifolia),fu shen (Poria cocos), and chang pu (Acorus spp.), all of which have been cited repeatedly over the past 1800 years and appear among the 31 herbs indexed in a modern pharmacopoeia. By providing a complete, hierarchically organized list of herbs for a specific disorder, this approach can assist researchers in selecting herbs for research.
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The Impact of Global Economic Downturn on Sport Management
Daniel Parnell,Paul Widdop,Anthony May,Danny Fitzpatrick 글로벌지식마케팅경영학회 2023 Journal of Global Sport Management Vol.8 No.3
This special issue was inspired by the challenges faced by sport managers in our global community in the face of the economic downturn. During the calls for the special issue, society faced one of its most unprecedented challenges, COVID-19. This provide significant shock waves to the daily rituals in sport and society. The manuscripts in this special issue provide an insight into sport management during this period. The research presented is both rich and diverse and we believe provides readers and the global sport management community with important contributions for reflection and learning from a policy, management and practical level.
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