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    Temporal and Spatial Evolution Characteristics of Extreme Climate Events in Grand Shangri-La Region from 1961 to 2019 by WU Yang, JIN Hanyu, CHENG Qingping

    Published 2022-01-01
    “…The Grand Shangri-La region connects the Qinghai-Tibet Plateau,the Yunnan-Guizhou Plateau,and the Hengduan Mountains and is of great geographical significance.Five rivers flow through the region,and the climate is vulnerable.Therefore,it is necessary to explore extreme climate changes and their response mechanism,so as to assess regional climate risks and achieve disaster warnings.Based on the daily temperature and precipitation data of 56 meteorological stations from 1961 to 2019,this paper analyzes changes in extreme climate indexes and their correlation with large-scale circulation index in the region by using Mann-Kendall,Sen's slope estimation,Pettitt test,and Pearson correlation analysis.The results show that:① The extreme warm index and the extreme precipitation intensity index (RX1day,R95p,R99p,and SDII) increase significantly,while the cold index (CSDI、FD、ID、TN10p、TX10p) and the number of continuous humid days decrease greatly.In terms of different seasons,the warming amplitude of most of the extreme temperature indexes in winter is higher than that in summer,and the precipitation intensity increases gradually in summer and autumn but decreases slightly in winter.② Spatially,the diurnal temperature range in the north of the Qinghai-Tibet Plateau is higher than that in the south,and the frequency of extremely high-temperature rises,with the high temperature appearing mostly in arid valleys in the south and east of the Qinghai-Tibet Plateau.The precipitation intensity is high in the south and west of the Hengduan Mountains,and persistent precipitation is strong in the Yalong River basin and the upper reaches of the Jinsha River in the north.③ Extreme climate indexes and south China sea summer monsoon index (SCSMI) are significantly correlated in the same year.In addition,there is a one-year response lag between the extreme precipitation index and Arctic oscillation (AO),North Atlantic oscillation (NAO),and Pacific decadal oscillation (PDO).The above analysis shows that the Grand Shangri-La region generally shows warming and humid climate characteristics.The frequency of heavy precipitation in flood season and warm winter events increases and is closely related to large-scale circulation.…”
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  6. 2926

    Increasing the MSMEs performance through cutting edge innovation capability by Muhammad Yamin Siregar, Warsani Purnama Sari, Ahmad Prayudi, Alfifto

    Published 2025-01-01
    “…Design/methodology/approach – This study’s population consists of all 84,758 MSMEs in North Sumatera. A purposive sampling approach was used to select the respondents, with closed question for a sample of 218 leading MSME owner-managers in North Sumatera using the structural equation modelling technique (PLS-SEM). …”
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  7. 2927

    Identity and Distribution of <i>Triglops metopias</i> (Teleostei, Cottidae) in the Northwestern Pacific by Artem M. Prokofiev, Ilyas N. Mukhametov, Olga R. Emelianova, Svetlana Yu. Orlova, Alexei M. Orlov

    Published 2025-01-01
    “…The Alaskan (highbrow) sculpin, <i>Triglops metopias,</i> is a rare and poorly known species with a restricted distribution in the North Pacific. This species has been previously recorded only from off the Aleutian Islands and the Gulf of Alaska, while previous records from the western North Pacific have been controversial. …”
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    Community stakeholder perspectives for empowering EJ initiatives through Public Participation Geographic Information Systems (PPGIS) by Jacelyn Rice-Boayue, Laurie Garo, Elisabeth Ilboudo Nebie

    Published 2025-01-01
    “…This study explores the use of Public Participation Geographic Information Systems (PPGIS) to support environmental justice (EJ) efforts in Charlotte, North Carolina by incorporating community knowledge and engagement. …”
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