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A 31-year Global Diurnal Sea Surface Temperature Dataset Created by an Ocean Mixed-Layer Model

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Advances in Atmospheric Sciences 2018年第12期35卷 1443-1454页

作者： Xiang LI tiejun ling Yunfei ZHANG Qian ZHOU Key Laboratory of Research on Marine Hazards Forecasting National Marine Environmental Forecasting CenterState Oceanic Administration

A dataset of hourly sea surface temperature(SST) from the period 1 January 1982 to 31 December 2012, and covering the global ocean at a resolution of 0.3°× 0.3°, was created using a validated ocean mixed-layer model(MLSST). The model inputs were heat flux and surface wind speed obtained from the Coupled Forecast System Reanalysis dataset. Comparisons with in-situ data from the Tropical Atmosphere Ocean array and the National Data Buoy Center showed that the MLSST fitted very well with observations, with a mean bias of 0.07℃, and a root-mean-square error(RMSE) and correlation coefficient of 0.37℃ and 0.98, respectively. Also, the MLSST fields successfully reproduced the diurnal cycle of SST in the in-situ data, with a mean bias of -0.005℃ and RMSE of 0.26℃. The 31-year climatology revealed that the diurnal range was small across most regions, with higher values in the eastern and western equatorial Pacific, northern Indian Ocean, western Central America, northwestern Australia, and several coastal regions. Significant seasonal variation of diurnal SST existed in all basins. In the Atlantic and Pacific basins, this seasonal pattern was oriented north–south, following the variation in solar insolation, whereas in the Indian basin it was dominated by monsoonal variability. At the interannual scale, the results highlighted the relationship between diurnal and interannual variations of SST, and revealed that the diurnal warming in the central equatorial Pacific could be a potential climatic indicator for ENSO prediction.

关键词： SST diurnal cycle mixed-layer model climatic variation

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中国典型砖形黑茶非挥发物的代谢组学分析

食品科学 2024年第18期45卷 160-167页

作者：余士兰张宁闫昊艺张运军韩晓玉任鸿宇凌铁军安茂强安徽农业大学茶树生物学与资源利用国家重点实验室安徽合肥230036 湖南省益阳茶厂有限公司湖南益阳413000

为探究我国典型砖形黑茶代谢物轮廓的规律,以及砖形黑茶与黑茶真菌在代谢物种类方面的关系,本研究利用基于液相色谱-质谱联用的非靶向代谢组学和基于特征物信息的质谱分子网络技术,对我国典型的砖形黑茶(湖北青砖茶、四川康砖茶、湖南... 详细信息

为探究我国典型砖形黑茶代谢物轮廓的规律,以及砖形黑茶与黑茶真菌在代谢物种类方面的关系,本研究利用基于液相色谱-质谱联用的非靶向代谢组学和基于特征物信息的质谱分子网络技术,对我国典型的砖形黑茶(湖北青砖茶、四川康砖茶、湖南的黑砖茶、花砖茶和茯砖茶、陕西的茯砖茶)以及茶鲜叶和分离自黑茶的多种真菌进行代谢组学分析。结果表明,砖形黑茶的非挥发性代谢物轮廓更倾向于按照生产地区进行分类,一组是来自湖南和陕西的砖形黑茶,而另一组是来自四川和湖北的砖形黑茶;决定其代谢物轮廓分组的最主要因素是砖茶含梗率,来自四川和湖北的砖形黑茶含梗率明显高于另一组;造成两组砖形黑茶轮廓差异的主要原因是湖南和陕西的砖形黑茶中有更高含量的黄烷-3-醇类和大部分氨基酸及其衍生物等代谢物;针对砖形黑茶和真菌代谢物的分子网络分析发现,在砖形黑茶中,尤其是在康砖茶中广泛分布着源自真菌的线性和环状二肽;在茯砖茶中有着结构种类丰富的异戊烯基二酮哌嗪类化合物,这类化合物来自于冠突散囊菌,因此,真菌为砖形黑茶贡献了种类丰富的代谢物。本实验结果可为全面了解和认识我国典型砖形黑茶的化学物质基础提供理论参考。

关键词：中国典型砖形黑茶代谢组学非挥发性代谢产物含梗率真菌质谱分子网络

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湖南与陕西茯砖茶的化学多样性

食品科学 2024年第17期45卷 146-153页

作者：张宁余士兰闫昊艺张运军韩晓玉任鸿宇陈雨情凌铁军安茂强安徽农业大学茶树生物学与资源利用国家重点实验室安徽合肥230036 安徽农业大学茶与食品科技学院安徽合肥230036 湖南省益阳茶厂有限公司湖南益阳413000

为探究湖南和陕西两产地茯砖茶的代谢物种类多样性以及比较分析两者代谢物轮廓,同时寻找茶鲜叶与茯砖茶化学成分的区别,进一步考察茯砖茶中来自真菌的代谢产物。本研究采用液相色谱-串联质谱仪和基于特征物的分子网络等方法,对茶鲜叶样... 详细信息

为探究湖南和陕西两产地茯砖茶的代谢物种类多样性以及比较分析两者代谢物轮廓,同时寻找茶鲜叶与茯砖茶化学成分的区别,进一步考察茯砖茶中来自真菌的代谢产物。本研究采用液相色谱-串联质谱仪和基于特征物的分子网络等方法,对茶鲜叶样本、湖南和陕西两个产地的茯砖茶及其分离真菌进行代谢组学研究。结果表明:在代谢物种类多样性和代谢物轮廓方面,湖南与陕西茯砖茶之间不存在显著差异。另外,茶鲜叶经历加工成为茯砖茶的过程中,代谢物种类多样性极显著提高,黄烷-3-醇类、嘌呤生物碱类、大部分氨基酸及其衍生物类的含量降低,溶血磷脂酰胆碱和脂肪酸的含量增加,且出现了种类丰富的真菌代谢物。典型的真菌代谢物包括异戊烯基环二肽类、异戊烯基苯甲醛类等化合物,它们的存在丰富了茯砖茶代谢物的多样性。

关键词：湖南陕西茯砖茶分子网络代谢组学真菌代谢物

Numerical Simulation of Typhoon Muifa(2011) Using a Coupled Ocean-Atmosphere-Wave-Sediment Transport(COAWST) Modeling System

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Journal of Ocean University of China 2015年第2期14卷 199-209页

作者： LIU Na ling tiejun WANG Hui ZHANG Yunfei GAO Zhiyi WANG Yi Key Laboratory of Research on Marine Hazards Forecasting National Marine Environmental Forecasting Center

The newly developed Coupled Ocean-Atmosphere-Wave-Sediment Transport(COAWST) Modeling System is applied to investigate typhoon-ocean interactions in this study. The COAWST modeling system represents the state-of-the-art numerical simulation technique comprising several coupled models to study coastal and environmental processes. The modeling system is applied to simulate Typhoon Muifa(2011), which strengthened from a tropical storm to a super typhoon in the Northwestern Pacific, to explore the heat fluxes exchanged among the processes simulated using the atmosphere model WRF, ocean model ROMS and wave model SWAN. These three models adopted the same horizontal grid. Three numerical experiments with different coupling configurations are performed in order to investigate the impact of typhoon-ocean interaction on the intensity and ocean response to typhoon. The simulated typhoon tracks and intensities agree with observations. Comparisons of the simulated variables with available atmospheric and oceanic observations show the good performance of using the coupled modeling system for simulating the ocean and atmosphere processes during a typhoon event. The fully coupled simulation that includes a ocean model identifies a decreased SST as a result of the typhoon-forced entrainment. Typhoon intensity and wind speed are reduced due to the decrease of the sea surface temperature when using a coupled ocean model. The experiments with ocean coupled to atmosphere also results in decreased sea surface heat flux and air temperature. The heat flux decreases by about 29% compared to the WRF only case. The reduction of the energy induced by SST decreases, resulting in weakening of the typhoon. Coupling of the waves to the atmosphere and ocean model induces a slight increase of SST in the typhoon center area with the ocean-atmosphere interaction increased as a result of wave feedback to atmosphere.

关键词： COAWST modeling system typhoon Muifa WRF ROMS SWAN

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Chinese Herbal Medicines 2023年第1期15卷 33-36页

作者： Hongjing Pan Miamoiao Le Chunnian He Chung S.Yang tiejun ling State Key Laboratory of Tea Plant Biology and Utilization Anhui Agricultural UniversityHefei 230036China Institute of Medicinal Plant Development Chinese Academy of Medicinal SciencesPeking Union Medicinal CollegeBeijing 100193China Ernest Maria School of Pharmacy Rutgers UniversityPiscatawayNJ 08854-8020USA International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education Anhui Agricultural UniversityHefei 230036China

Tea is a famous beverage that is produced from leaves of Camellia *** the six major tea categories in China,dark tea is the only one that involves microbial fermentation in the manufacturing process,which contributes unique flavors and functions for the *** the recent decade,the reports about the biofunctions of dark teas have increased *** it may be the proper time to consider dark tea as one potential homology of medicine and *** this viewpoint,our current understanding of the chemical constituents,biological activities and possible health beneficial effects of dark teas were *** future directions and challenges to the development perspectives of dark teas were also discussed.

关键词： biological activities dark tea metabolites medicinal development perspectives

东南印度洋沿岸海温年代际振荡及经向传播探讨

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海洋学报 2013年第4期35卷 47-51页

作者：蔡怡凌铁军国家海洋局海洋灾害预报技术研究重点实验室北京100081 国家海洋环境预报中心北京100081

用SODA资料分析了热带西南印度洋上升区温度距平与整个南印度洋温度距平的时滞相关,发现热带西南印度洋上升区温度距平与65°S,105°E附近200m深度的温度距平存在滞后10a的相关振荡,同时探讨了其可能的机制为温跃层内的斜压内波驱动,即6... 详细信息

用SODA资料分析了热带西南印度洋上升区温度距平与整个南印度洋温度距平的时滞相关,发现热带西南印度洋上升区温度距平与65°S,105°E附近200m深度的温度距平存在滞后10a的相关振荡,同时探讨了其可能的机制为温跃层内的斜压内波驱动,即65°S,105°E附近200m深度的温度距平沿着温跃层上层在东南印度洋沿岸从高纬度向低纬的传播,传播时间大约为10a左右,这种信号在传播过程中表现得较弱,而在起点和终点的两端振荡比较强。波动的传播相比振荡本身要显得弱。

关键词：东南印度洋海温经向传播 10周期振荡西南印度洋上升区

Soil and fine root-associated microbial communities are niche dependent and influenced by copper fungicide treatment during tea plant cultivation

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Horticulture Research 2023年第3期10卷 11-14页

作者： Ali Inayat Mallano Jie Yu Tabys Dina Fangdong Li tiejun ling Naveed Ahmad Jeffrey Bennetzen Wei Tong State Key Laboratory of Tea Plant Biology and Utilization Anhui Agricultural UniversityHefei 230036China Sericultural Research Institute Anhui Academy of Agricultural SciencesHefei 230061China School of Medicine Nazarbayev UniversityNur-Sultan 020000Kazakhstan School of Science Anhui Agricultural UniversityHefei 230036China Institute of Crop Germplasm Resources Shandong Academy of Agricultural SciencesJinan 250100China Department of Genetics University of GeorgiaAthensGA30602USA

Dear Editor,Fungicide treatment has a profound effect on controlling plant pathogens in modern agriculture,however,it also carries the risk of undesirable *** decades,scientists have been concerned about the harmful impacts of heavy metals like copper(Cu)on crop performance and soil *** of various copper fungicides,like Bordeaux mixture,have been a component of conventional agricultural practices to control fungal and bacterial pathogens,especially in vineyards,tea gardens,or fruit tree orchards[9,10].This treatment increases the accumulation of high levels of Cu in surface soils,and despite the critical role of Cu as an essential trace element in wide biological and metabolic processes,it becomes toxic to plants when applied at high levels[4].The regular application of copper fungicides has also been linked to affecting microbial communities at the levels of diversity[8],population structure[2],abundance,and growth[1,3].Understanding the undesired effects of fungicides on microorganisms’beneficial activities is therefore important for evaluating the hazards associated with the fungicide used in ***,the effects of copper fungicide on full microbial communities remains relatively understudied,especially in tea ***,we herein explored the inf luence of Bordeaux mixture under different management regimes(raking or without raking leaf litter)on microbial communities of root,bulk soil,and rhizosphere compartments of tea plants planted in a ten-year-old tea *** provided insights into the ecological consequences of tea management practices that might help to identify specific fungicide treatment regimens,environmental characteristics,and microbial community members to minimize the negative environmental outcomes and optimize the positive anti-pathogen aspects of fungicide treatment.

关键词： soil planted copper

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全球业务化海洋预报进展与展望

地球科学进展 2018年第2期33卷 131-140页

作者：刘娜王辉凌铁军祖子清国家海洋环境预报中心国家海洋局海洋灾害预报技术研究重点实验室北京100081

海洋环境预报在经济发展和基础设施建设等方面发挥着越来越重要的作用,涉及到海上安全、海洋能源开发与保护、远洋运输和海洋渔业等许多领域和方面。近年来,各国的全球海洋预报取得了显著的进展。全球海洋数据同化实验(GODAE)Ocean Vie... 详细信息

海洋环境预报在经济发展和基础设施建设等方面发挥着越来越重要的作用,涉及到海上安全、海洋能源开发与保护、远洋运输和海洋渔业等许多领域和方面。近年来,各国的全球海洋预报取得了显著的进展。全球海洋数据同化实验(GODAE)Ocean View计划为各国提供协调和技术支持,发展并建立全球业务化海洋预报系统,将全球海洋预报的概念实现业务化运行。全球业务化海洋预报系统以海洋动力数值模式作为动力框架,将近实时高质量的观测输入场通过资料同化融入到模式中,实现对全球范围多时空尺度的海洋状况提供未来演替的预测,并对产品表现不间断地进行监测以保证预报服务的质量。简要介绍和回顾GODAE Ocean View所涵盖的全球海洋预报系统的发展历程和现状,并对全球海洋预报未来发展的难点与问题给予展望。

关键词：全球海洋预报业务化海洋学海洋数据同化 GODAE Ocean View

中国周边海域海面温度日变化对区域气候的影响

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气候与环境研究 2019年第2期24卷 214-226页

作者：周倩凌铁军李响张蕴斐国家海洋环境预报中心北京100081

利用区域气候模式,分别以逐时海面温度(sea surface temperature, SST)数据及逐日SST数据作为模式的海表温度进行强迫,开展了1991～2010年共计20年的数值模拟,探讨SST日变化对中国区域气候变化的影响。对比结果表明,两组试验均能合理地... 详细信息

利用区域气候模式,分别以逐时海面温度(sea surface temperature, SST)数据及逐日SST数据作为模式的海表温度进行强迫,开展了1991～2010年共计20年的数值模拟,探讨SST日变化对中国区域气候变化的影响。对比结果表明,两组试验均能合理地再现中国区域气候的主要气候态特征。同时发现,两组试验模拟的气候特征在我国沿海区域以及近海洋面上存在明显差异:考虑SST日变化之后,2 m气温和感热通量差异呈现夏季(冬季)升高(降低)为主的趋势;潜热通量则与之相反;低层风场差异在夏季以海洋吹向大陆的东南风为主,冬季则以陆面吹向海洋的西北风差异为主;另外,水汽输送差异呈气旋式(反气旋式)时,降水出现正差异(负差异)。SST日变化对上述气候因子的影响在夏季更为显著。

关键词：海面温度日变化中国近海区域区域气候