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| 1 | Changes in Regional Heavy Rainfall Events in China during 1961–2012显示文摘A new technique for identifying regional climate events, the Objective Identification Technique for Regional Extreme Events(OITREE), was applied to investigate the characteristics of regional heavy rainfall events in China during the period1961–2012. In total, 373 regional heavy rainfall events(RHREs) were identified during the past 52 years. The East Asian summer monsoon(EASM) had an important influence on the annual variations of China's RHRE activities, with a significant relationship between the intensity of the RHREs and the intensity of the Mei-yu. Although the increase in the frequency of those RHREs was not significant, China experienced more severe and extreme regional rainfall events in the 1990 s. The middle and lower reaches of the Yangtze River and the northern part of South China were the regions in the country most susceptible to extreme precipitation events. Some stations showed significant increasing trends in the southern part of the middle and lower reaches of the Yangtze River and the northern part of South China, while parts of North China, regions between Guangxi and Guangdong, and northern Sichuan showed decreasing trends in the accumulated intensity of RHREs.The spatial distribution of the linear trends of events' accumulated intensity displayed a similar so-called 'southern flooding and northern drought' pattern over eastern China in recent decades. | ZOU Xukai REN Fumin | 2015 | Advances in Atmospheric Sciences2015，32，5： | 11 |
| 2 | Characteristics and Preliminary Causes of Tropical Cyclone Extreme Rainfall Events over Hainan Island显示文摘The characteristics of tropical cyclone(TC) extreme rainfall events over Hainan Island from 1969 to 2014 are analyzed from the viewpoint of the TC maximum daily rainfall(TMDR) using daily station precipitation data from the Meteorological Information Center of the China Meteorological Administration, TC best-track data from the Shanghai Typhoon Institute,and NCEP/NCAR reanalysis data. The frequencies of the TMDR reaching 50, 100 and 250 mm show a decreasing trend[-0.7(10 yr)^(-1)], a weak decreasing trend [-0.2(10 yr)^(-1)] and a weak increasing trend [0.1(10 yr)^(-1)], respectively. For seasonal variations, the TMDR of all intensity grades mainly occurs from July to October, with the frequencies of TMDR 50 mm and 100 mm peaking in September and the frequency of TMDR 250 mm [TC extreme rainstorm(TCER) events]peaking in August and September. The western region(Changjiang) of the Island is always the rainfall center, independent of the intensity or frequencies of different intensity grades. The causes of TCERs are also explored and the results show that topography plays a key role in the characteristics of the rainfall events. TCERs are easily induced on the windward slopes of Wuzhi Mountain, with the coordination of TC tracks and TC wind structure. A slower speed of movement, a stronger TC intensity and a farther westward track are all conducive to extreme rainfall events. A weaker northwestern Pacific subtropical high is likely to make the 500-h Pa steering flow weaker and results in slower TC movement, whereas a stronger South China Sea summer monsoon can carry a higher moisture flux. These two environmental factors are both favorable for TCERs. | Xianling JIANG Fumin REN Yunjie LI Wenyu QIU Zhuguo MA Qinbo CAI | 2018 | Advances in Atmospheric Sciences2018，35，5： | 6 |
| 3 | Catalytic performances of heteropoly compounds supported on dealuminated ultra-stable Y zeolite for liquid-phase esterification显示文摘A series of catalysts of 12-Phosphotungstic acid (PW) and its cesium salts immobilizedon dealuminated ultra-stable Y zeolite (DUSY) were prepared. Their specific surface area and acidstrength were characterized, and their catalytic activity, selectivity and stability were evaluated in theliquid-phase esterification of acetic acid with n-butanol. It was found that the catalytic activity could beimproved remarkably by introducing PW onto dealuminated USY (from 49.5% to 86.4%). Howeverthis obvious promotion effect of PW could not be observed on USY supported PW catalyst, whichshowed rather low conversion of less than 25.0%. The supported cesium salt of PW on DUSY catalysgave a very high conversion of n-butanol of 94.6% and the 100% selectivity for n-butyl acetate. Thecatalytic stability test revealed that after 5 reaction cycles, the catalytic activity over PW/DUSY drastically dropped to 47.6%, by contrast, the PW cesium salt/DUSY still showed a high conversion o81.6%. The leaching test for catalysts in water showed that the decrease of activity was closely associated with the solubility of the active heteropoly components on supports into the polar solvent, whichindicates that the catalytic deactivation was mainly due to the lose of the heteropoly species in thereaction medium. The high catalytic stability of the supported cesium salts of PW is suggested to bederived from the water-tolerance of cesium salts of PW in the polar reaction system. | ZHANG Fumin WANG Jun YUAN Chaoshu REN Xiaoqian | 2006 | Science China Chemistry2006，49，2： | 4 |
| 4 | Changes of Climate Extremes in China显示文摘 | Panmao Zhai Anjian Sun Fumin Ren Xiaonin Liu Bo Gao Qiang Zhang | 1999 | Climatic Change1999，，1： | 3 |
| 5 | Establishment of an Objective Standard for the Definition of Binary Tropical Cyclones in the Western North Pacific显示文摘To develop an objective standard for defining binary tropical cyclones(BTCs)in the western North Pacific(WNP),two best-track datasets,from the China Meteorological Administration and the Joint Typhoon Warning Center,were adopted for statistical analyses on two important characteristics of BTCs-two TCs approaching each other,and counterclockwise spinning.Based on the high consistency between the two datasets,we established an objective standard,which includes a main standard for defining BTCs and a secondary standard for identifying typical/atypical BTCs.The main standard includes two requirements:two coexisting TCs are a pair of BTCs if(i)the separation distance is≤1800 km,and(ii)this separation maintains for at least 12 h.Meanwhile,the secondary standard defines a typical BTC as one for which there is at least one observation when the two TCs approach each other and spin counterclockwise simultaneously.Under the standard,the ratio of typical BTCs increases as the BTC duration increases or the minimum distance between the two TCs decreases.Then,using the JTWC dataset,it was found that there are 505 pairs of BTCs during the period 1951−2014,including 328 typical BTCs and 177 atypical BTCs,accounting for 65.0%and 35.0%of the total,respectively.In addition,a study of two extreme phenomena-the maximum approaching speed and the maximum counterclockwise angular velocity in typical BTCs-shows that the configuration of the circulation conditions and the distribution of the BTCs favor the formation of these extreme phenomena. | Fumin REN Yanjun XIE Biwen YIN Mingyang WANG Guoping LI | 2020 | Advances in Atmospheric Sciences2020，37，11： | 3 |
| 6 | Changes of Climate Extremes in China显示文摘 | Panmao Zhai Anjian Sun Fumin Ren Xiaonin Liu Bo Gao Qiang Zhang | 1999 | Climatic Change1999，，1： | 3 |
| 7 | CHANGES IN MONSOON AND TROPICAL CYCLONE EXTREME PRECIPITATION IN SOUTHEAST CHINA FROM 1960 TO 2012显示文摘Using daily precipitation data from 110 stations in Southeast China from 1960 to 2012,the extreme precipitation(EP)events associated with monsoon and tropical cyclones were examined using the Objective Synoptic Analysis Technique.In Southeast China,the extreme precipitation associated with tropical cyclones(TEP),which mainly occur in the summer(July–September),accounted for 27.9%of the total extreme precipitation amount,with 40–50%in the coastal regions.While the regional mean TEP amount showed an inconspicuous trend,total EP and monsoon EP(MEP)both showed an increasing trend,with the MEP trend being statistically significant.Although there was little change in the frequency of tropical cyclones affecting Southeast China,the TEP contribution to frequency increased with increasing EP threshold and the frequency of TEP with daily precipitation of more than 300 mm showed an increasing trend in the background of global climate change.The upward trend in the highest-threshold TEP events presents a challenge for mitigation of the damage associated with tropical cyclones. | ZHIZ HONG SU FUMIN REN JIN WEI XIAOHONG LIN SHUNJI SHI XUEMING ZHOU | 2015 | Tropical Cyclone Research and Review2015，4，1： | 3 |
| 8 | An application of the LTP_DSEF model to heavy precipitation forecasts of landfalling tropical cyclones over China in 2018显示文摘Recently, a track-similarity-based Dynamical-Statistical Ensemble Forecast(LTP_DSEF) model has been developed in an attempt to predict heavy rainfall from Landfalling Tropical cyclones(LTCs). In this study, the LTP_DSEF model is applied to predicting heavy precipitation associated with 10 LTCs occurring over China in 2018. The best forecast scheme of the model with optimized parameters is obtained after testing 3452 different schemes for the 10 LTCs. Then, its performance is compared to that of three operational dynamical models. Results show that the LTP_DSEF model has advantages over the three dynamical models in predicting heavy precipitation accumulated after landfall, especially for rainfall amounts greater than 250 mm. The model also provides superior or slightly inferior heavy rainfall forecast performance for individual LTCs compared to the three dynamical models. In particular, the LTP_DSEF model can predict heavy rainfall with valuable threat scores associated with certain LTCs, which is not possible with the three dynamical models. Moreover, the model can reasonably capture the distribution of heavier accumulated rainfall, albeit with widespread coverage compared to observations. The preliminary results suggest that the LTP_DSEF model can provide useful forecast guidance for heavy accumulated rainfall of LTCs despite its limited variables included in the model. | Zuo JIA Fumin REN Dalin ZHANG Chenchen DING Mingjen YANG Tian FENG Boyu CHEN Hui YANG | 2020 | Science China Earth Sciences2020，63，1： | 3 |
| 9 | Sideswiping Tropical Cyclones and Their Associated Precipitation over China显示文摘Tropical cyclone(TC)precipitation(TCP)has attracted considerable attention in recent decades because of its adverse socioeconomic impacts.In particular,considerable effort has been devoted to quantifying TCP and investigating the precipitation of TCs that make landfall.However,precipitation over land induced by TCs that do not make landfall(i.e.,offshore),the so-called'sideswiping'TCs(STCs),is an important component of TCP but has attracted little attention from the research community to date.Here,best-track and daily precipitation data from the China Meteorological Administration during the 59 years of 1960-2018 are used to study STC precipitation(STP).Results show that:(i)the annual number of STCs fluctuates significantly from 3 to 17,with a mean frequency of 8.8 STCs per year;(ii)there are decreasing trends in STC frequency and STP amount over the past 59 years;(iii)both STC frequency and STP are high from July to October,with maxima in August;(iv)the distribution of STP,covering most of China’s coastal regions,is dominated by intense STCs,and the annual STP decreases from southeast coastal regions to northwest inland areas,with a maximum value over the islands of Taiwan and Hainan;and(v)extreme STP events could appear not only over the island and coastal areas,but also over inland areas such as Zhumadian of Henan Province due to the influences of local orography and favorable largescale forcing. | Tian FENG Fumin REN Da-Lin ZHANG Guoping LI Wenyu QIU Hui YANG | 2020 | Advances in Atmospheric Sciences2020，37，7： | 2 |
| 10 | Positioning taxonomic research for the future显示文摘Why do taxonomists matter? The work of taxonomists is often understated if not completely misunderstood. Without taxonomists, organisms cannot be accurately identified, neither can these organisms be given universally accepted names, and reliably positioned in the phylogenetic tree of life. Thanks to the work of taxonomists over the last 269 years since Carl Linnaeus established the binomial system, we can now measure the health and wealth of our biodiversity in a refined, science-based inventory prescribed by stringent nomenclatural rules. | Deyuan Hong Wenying Zhuang Min Zhu Keping Ma Xiaoquan Wang Dawei Huang Yalin Zhang Guodong Ren Wenjun Bu Wanzhi Cai Dong Ren Ding Yang Aiping Liang Fengyan Bai Runzhi Zhang Fumin Lei Shuqiang Li Hongzhi Kong Lei Cai Yucheng Dai Chaodong Zhu Qisen Yang Jun Chen Zhongli Sha Jianping Jiang Jing Che Donghui Wu Jiatang Li Qiang Wang Xinli Wei Ming Bai Xingyue Liu Xuexin Chen Gexia Qiao | 2022 | Zoological Systematics2022，47，3： | 2 |
| 11 | Changes of climate extremes in China显示文摘 | Sum A J Ren Fumin | 1999 | Climatic Change1999，42，： | 1 |
| 12 | Im pacts of the MJO on Winter Rainfall and Circula tion in China 显示文摘 | Jia Xiaolong Chen IAjuan Ren Fumin | 2011 | Advance in Atmospheric Sci ences2011，28，3： | 1 |
| 13 | An Objective Identification Technique for Regional Extreme Events显示文摘 | Ren Fumin Cui Donglin Gong Zhiqiang Wang Yanjiao Zou Xukai Li Yiping Wang Shigong Wang Xiaoling | 2012 | EN2012，，20： | 1 |
| 14 | Changes of climate extremes in China显示文摘 | Zhai P M Sum A J Ren Fumin | 1999 | Climatic Change1999，42，： | 1 |
| 15 | Changes of Climate Extremes in China显示文摘 | Panmao Zhai Anjian Sun Fumin Ren Xiaonin Liu Bo Gao Qiang Zhang | 1999 | Climatic Change1999，，1： | 1 |
| 16 | Changes of climate ex-tremes in China显示文摘 | Zhai P M Sun A J Ren Fumin | 1999 | Climatic Change1999，42，： | 1 |
| 17 | Changes of eli- mate of extremes in China显示文摘 | Zhai Panmao Sun Anjian Ren Fumin | 1999 | Climatic Change1999，42，： | 1 |
| 18 | Changes of cli-mate extrmes in China显示文摘 | Zhai P M Sun A J Ren Fumin | 1999 | Climatic Change1999，42，： | 1 |
| 19 | Combustion characteristics of coal and refuse from passenger trains显示文摘 | Ren Fumin Yue Feng Gao Ming | 2010 | Waster Management2010，30，7： | 1 |
| 20 | Changes of climate extremes in China显示文摘 | Zhai Panmao Sun Anjian Ren Fumin | 1999 | Climatic change1999，42，： | 1 |
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