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Investigation on the short-term outcome and prognostic impact of predisposition,and precipitants in inpatients with chronic liver disease from Chinese AcuTe on CHronic LIver FailurE(CATCH-LIFE)cohorts

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Portal Hypertension & Cirrhosis 2023年第3期2卷 115-126页

作者： Yan Zhang Wenting Tan Xiaobo Wang Xin Zheng Yan Huang Beiling Li Zhongji Meng Yanhang Gao Zhiping Qian Feng Liu Xiaobo Lu Jia Shang Yubao Zheng Weituo Zhang Shan Yin Wenyi Gu Tongyu Wang Jianyi Wei Zixuan Shen Guohong Deng Yi Zhou Yixin Hou Qun Zhang Shue Xiong Jing Liu Liyuan Long Ruochan Chen Jinjun Chen Xiuhua Jiang Sen Luo Yuanyuan Chen Chang Jiang Jinming Zhao Liujuan Ji Xue Mei Jing Li Tao Li Rongjiong Zheng Xinyi Zhou Haotang Ren Yu Shi Hai Li for the CATCH‐LIFE Study Investigators of Chinese(Acute‐on)Chronic Liver Failure(CLIF)Consortium(Ch‐CLIFC) Department of Gastroenterology Ren Ji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghaiChina Shanghai institute of Digestive Disease NHC Key Laboratory of Digestive DiseasesShanghaiChina Department of Infectious Diseases Southwest HospitalThird Military Medical University(Army Medical University)ChongqingChina Center of Integrative Medicine Beijing Ditan HospitalCapital Medical UniversityBeijingChina Department of Infectious Diseases Institute of Infection and ImmunologyUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina Hunan Key Laboratory of Viral Hepatitis Department of Infectious DiseasesXiangya HospitalCentral South UniversityChangshaHunanChina Department of Infectious Diseases Hepatology UnitNanfang HospitalSouthern Medical UniversityGuangzhouGuangdongChina Department of Infectious Disease Taihe HospitalHubei University of MedicineShiyanHubeiChina Department of Hepatology The First Hospital of Jilin UniversityJilinChangchunChina Department of Liver Intensive Care Unit Shanghai Public Health Clinical CentreFudan UniversityShanghaiChina Tianjin institute of Hepatology Nankai University Second People's HospitalTianjinChina Department of Infectious Diseases and Hepatology The Second Hospital of Shandong UniversityJinanShandongChina Infectious Disease Center The First Affiliated Hospital of Xinjiang Medical UniversityUrumqiXinjiangChina Department of Infectious Diseases Henan Provincial People's HospitalZhengzhouHenanChina Deparment of Infectious Diseases The Third Affiliated Hospital of Sun Yat-sen UniversityGuangzhou CityGuangdongChina Clinical research Center Shanghai Jiao Tong University School of MedicineShanghaiChina The State Key Laboratory for Diagnosis and Treatment of Infectious Diseases The First Affiliated Hospital of School of MedicineZhejiang UniversityHangzhouZhejiangChina Collaborative innovation Center for Diagnosis and Treatment of Infectious Disease HangzhouZhejiangChina Nati

Aim:The study aimed to investigate the short-term outcomes of hospitalized patients with chronic liver disease(CLDs)and assess the prognostic impact of predisposition and precipitants,which currently remains ***:The study included 3970 hospitalized patients with CLDs from two prospective longitudinal multicenter studies(NCT02457637 and NCT03641872)conducted in highly endemic hepatitis B virus(HBV)*** risk analysis was used to evaluate the effect of predispositions,including the etiology and severity of CLDs and precipitants;on sequential 28,90,and 365-day liver transplantation(LT)-free ***:Among all enrolled patients,76.8%of adverse outcomes(including death and LT)within one year occurred within 90 *** with alcoholic etiology,the association of HBV etiology with poorer outcomes was remarkably on the 28th day(hazard ratio[HR],1.81;95%confidence interval[CI],1.07-3.06;p=0.026);however,and dimin-ished or became insignificant at 90 days and 365 *** increased the adjusted risk for 365-day(HR,1.50;CI,1.13-1.99;p=0.004)LT-free mortality when compared with *** patients with cirrhosis,prior decompensation(PD)independently increased the adjusted risk of 365-day LT-free mortality by 1.25-fold(p=0.021);however,it did not increase the risk for 90-day *** the category nor the number of precipitants influenced the adjusted risk of 28 or 90-day LT-free ***:The 90-day outcome should be considered a significant endpoint for evaluating the short-term prognosis of hospitalized patients with *** factors,other than etiology,mainly affected the delayed(365-day)*** effective therapy for CLD etiology,especially antiviral treatments for HBV,and post-discharge long-term surveillance monitoring in cirrhotic patients undergoing PD are suggested to enhance disease management and reduce mortality.

关键词： cirrhosis precipitant prior decompensation short‐term mortality

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mushroom cultivation for soil amendment and bioremediation

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Circular Agricultural Systems 2021年第1期1卷 73-86页

作者： Yuwei Hu Peter E.Mortimer Kevin D.Hyde Pattana Kakumyan Naritsada Thongklang Centre for Mountain Futures Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina Center of Excellence in Fungal research Mae Fah Luang University57100 Chiang RaiThailand School of Science Mae Fah Luang UniversityChiang Rai 57100Thailand mushroom research Foundation 128 M.3 Ban Pa Deng T.Pa PaeA.Mae TaengChiang Mai 50150Thailand

Intensive crop production,use of pesticides,and unsustainable farming practices are known to cause land degradation and soil *** have led to a decline in biodiversity and changes in the functional groups of soil *** physicochemical methods have been used to apply soil amendments to agricultural land,mushroom cultivation in agricultural land for soil improvement have been poorly ***-field mushroom cultivation is considered a good strategy for improving soil quality by reducing the input of chemical *** this paper,we list the edible mushroom species suitable for growing in fields and summarize the important role that mushroom field cultivation can play in soil erosion control,nutrient cycling,and the bioremediation of ***,symbiosis,assimilation,degradation,bioweathering,oxidation,biosorption,and bioconversion are all critical components of mushroom field *** has shown that field mushroom cultivation contributes to nutritional bioavailability while also promoting the degradation of pollutants and formation of soil *** soil amendment practices,a portion of agricultural waste can be converted into high-quality food and nutraceutical sources,and the remaining organic matter improves soil quality via fungal mycelial networks and the re-use of spent mushroom *** a small number of mushroom species have been used in the application of soil amendments in field *** review shows the need for further research into specific mushroom species for achieving different soil amendment goals in order to balance agricultural development with sustainable land management.

关键词： soil cultivation cycling

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Increasing importance of ammonia emission abatement in PM_(2.5)pollution control

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Science Bulletin 2022年第17期67卷 1745-1749页

作者： Wen Xu Yuanhong Zhao Zhang Wen Yunhua Chang Yuepeng Pan Yele Sun Xin Ma Zhipeng Sha Ziyue Li Jiahui Kang Lei Liu Aohan Tang Kai Wang Ying Zhang Yixin Guo Lin Zhang Lifang Sheng Xiuming Zhang Baojing Gu Yu Song Martin Van Damme Lieven Clarisse Pierre-François Coheur Jeffrey L.Collett Jr Keith Goulding Fusuo Zhang Kebin He Xuejun Liu College of Resources and Environmental Sciences National Academy of Agriculture Green DevelopmentKey Laboratory of Plant-Soil InteractionsMinistry of EducationNational Observation and Research tation of Agriculture Green Development(QuzhouHebei)China Agricultural UniversityBeijing 100193China College of Oceanic and Atmospheric Sciences Ocean University of ChinaQingdao 266100China Collaborative innovation Center on Forecast and Evaluation of Meteorological Desasters Nanjing University of Information Science&TechnologyNanjing 200433China State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China College of Earth and Environmental Sciences Lanzhou UniversityLanzhou 730000China Laboratory for Climate and Ocean-Atmosphere Studies Department of Atmospheric and Oceanic SciencesSchool of PhysicsPeking UniversityBeijing 100871China School of Agriculture and Food the University of MelbourneVictoria 3010Australia College of Environmental and Resource Sciences Zhejiang UniversityHangzhou 310058China State Key Joint Laboratory of Environmental Simulation and Pollution Control Department of Environmental SciencePeking UniversityBeijing 100871China Universitélibre de Bruxelles SpectroscopyQuantum Chemistry and Atmospheric Remote SensingBrusselsBelgium Department of Atmospheric Science Colorado State UniversityFort Collins CO 80523USA Sustainable Agricultural Sciences Department Rothamsted ResearchHarpenden AL52JQUK School of Environment Tsinghua UniversityBeijing 100084China

在新冠肺炎疫情期间,中国采取的管制封锁措施大幅减少了交通和工业排放,但农业排放没有受到影响,甚至有所增加.通过全国大气氨浓度地面监测、实时连续观测和卫星观测等手段,我们发现,新冠肺炎疫情管制措施实施期间中国大气氨浓度大范围... 详细信息

在新冠肺炎疫情期间,中国采取的管制封锁措施大幅减少了交通和工业排放,但农业排放没有受到影响,甚至有所增加.通过全国大气氨浓度地面监测、实时连续观测和卫星观测等手段,我们发现,新冠肺炎疫情管制措施实施期间中国大气氨浓度大范围显著增加,上升幅度在农村地区最为明显(增加22%),在城市和偏远地区变化不明显;而且,管控期间大气氨浓度上升幅度与2015~2019年相同月份相比更大.基于大气化学模式模拟发现,中国北方大气氨浓度上升主要是由农业氨排放增加所致.随着未来我国二氧化硫和氮氧化物等酸性气体排放控制的强化,农业氨排放的协同减排对于进一步削减大气PM污染、提升空气质量尤为重要.进一步分析表明,疫情期间50%农业氨排放可有效抵消氨浓度上升造成的二次无机气溶胶的形成.

关键词：管制措施工业排放污染治理地面监测空气质量卫星观测 PM 偏远地区

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Construction of NiCeO_(x) nanosheets-skeleton cross-linked by carbon nanotubes networks for efficient electromagnetic wave absorption

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Journal of Materials Science & technology 2023年第16期147卷 16-25页

作者： Xinmeng Huang Xuehua Liu Yan Zhang Jixi Zhou Guanglei Wu Zirui Jia institute of Materials for Energy and Environment State Key Laboratory of Bio-fibers and Eco-textilesCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China College of Chemistry and Chemical Engineering Qingdao UniversityQingdao 266071China

In this work,two-dimensional NiCeOx nanosheet-modified carbon nanotubes(CNTs)composites were prepared by a hydrothermal *** with different morphologies can be formed by adjusting the addition ratio of nickel salt and cerium salt,and the introduction of CNTs in the subsequent synthesis process can effectively prevent the aggregation of NiCeOx *** studies show that hexagonal NiCeOx nanosheets with a size of 100 nm are uniformly intertwined with *** applied to the attenuation of electromagnetic waves,NiCeOx/CNTs composites exhibit better electromagnetic wave(EMW)absorption performance than pure CNTs and NiCeOx nanosheets due to improved impedance matching and multiple polarization *** the matching thickness of 1.9 mm,the composite exhibits a minimum reflection loss(RL_(min))of–53.2 dB and an effective absorption bandwidth(RL<–10 dB)of 5.04 GHz with a thickness of 2.3 *** results indicate that the as-prepared NiCeOx/CNTs composites have excellent EMW absorption performance and are expected to be a candidate material for EMW absorption.

关键词： NiCeOx nanosheets Carbon nanotubes Dipole polarization Impedance matching Electromagnetic wave absorption

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Macroscopic electromagnetic synergy network-enhanced N-doped Ni/C gigahertz microwave absorber with regulable microtopography

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Nano research 2023年第7期16卷 10666-10677页

作者： Yuelei Pan Qianqian Zhu Jiahui Zhu Yuhang Cheng Bowen Yu Zirui Jia Guanglei Wu institute of Materials for Energy and Environment State Key Laboratory of Bio-fibers and Eco-textilesCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China College of Chemistry and Chemical Engineering Qingdao UniversityQingdao 266071China

To achieve excellent electromagnetic wave(EMW)absorption properties,the microstructure design of the absorber is *** this work,six kinds of N-Ni/C nanostructures with different morphologies were prepared by one-step hydrothermal method and high temperature carbonization by adjusting the types of nickel salts and reaction *** EMW absorption performance of six different morphologies of N-Ni/C nanostructures was compared and *** them,it is found that the nanoflowerlike N-Ni/C composite has excellent dielectric loss and magnetic loss synergistic effect due to its polycrystalline structure,and can obtain excellent EMW absorption *** minimum reflection loss value at a thickness of 1.9 mm is-59.56 dB at 16.88 GHz,and the effective absorption bandwidth value reaches 6.0 GHz at a thickness of 2.2 *** research shows that different morphologies and multiple lattice structures of nanostructures with the same composition have a significant influence on EMW absorption performance,which provides new research ideas for developing high-performance EMW absorbing materials.

关键词： magnetic metal-carbon binary composition morphology control dielectric loss magnetic loss electromagnetic wave absorption

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Integrated liver proteomics and metabolomics identify metabolic pathways affected by pantothenic acid deficiency in Pekin ducks

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Animal Nutrition 2022年第4期11卷 1-14页

作者： Jing Tang Yongbao Wu Bo Zhang Suyun Liang Zhanbao Guo Jian Hu Zhengkui Zhou Ming Xie Shuisheng Hou State Key Laboratory of Animal Nutrition Key Laboratory of Animal(Poultry)Genetics Breeding and ReproductionMinistry of Agriculture and Rural AffairsInstitute of Animal SciencesChinese Academy of Agricultural Sciences100193BeijingChina

Pantothenic acid deficiency(PAD)in animals causes growth depression,fasting hypoglycemia and impaired lipid and glucose ***,a systematic multi-omics analysis of effects of PAD on hepatic function has apparently not been *** investigated liver proteome and metabolome changes induced by PAD to explain its effects on growth and liver metabolic *** ducks(1-dold,n=128)were allocated into 2 groups,with 8 replicates and 8 birds per *** 16 d,all ducks had ad libitum access to either a PAD or a pantothenic acid adequate(control,CON)diet,formulated by supplementing a basal diet with 0 or 8 mg pantothenic acid/kg of diet,*** enlargement,elevated liver glycogen concentrations and decreased liver concentrations of triglyceride and unsaturated fatty acids were present in the PAD group compared to the CON *** on integrated liver proteomics and metabolomics,PAD mainly affected glycogen synthesis and degradation,glycolysis and gluconeogenesis,tricarboxylic acid(TCA)cycle,peroxisome proliferator-activated receptor(PPAR)signaling pathway,fatty acid beta oxidation,and oxidative *** proteins were confirmed by Western *** of proteins and metabolites involved in glycogen synthesis and degradation,glycolysis and gluconeogenesis implied that these processes were impaired in PAD ducks,which could have contributed to fasting hypoglycemia,liver glycogen storage,insufficient ATP production,and growth *** contrast,PAD also upregulated proteins and metabolites involved in fatty acid beta oxidation,the TCA cycle,and oxidative phosphorylation processes in the liver;presumably compensatory responses to produce *** inferred that PAD decreased liver triglyceride and unsaturated fatty acids by activating fatty acid beta oxidation and impairing unsaturated fatty acid *** findings contributed to our understanding of the mechanisms of PAD-induced changes in hepatic metabol

关键词： Pantothenic acid Hepatic metabolism Proteomics Metabolomics Hypoglycemia

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Phylogenetic analyses of the genes involved in carotenoid biosynthesis in algae

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Acta Oceanologica Sinica 2018年第4期37卷 89-101页

作者： WANG Shanshan ZHANG Lei CHI Shan WANG Guoliang WANG Xumin LIU Tao TANG Xuexi College of Marine Life Sciences Ocean University of China CAS Key Laboratory of Genome Sciences and Information/Beijing Key Laboratory of Genome and Precision Medicine Technologies Beijing Institute of GenomicsChinese Academy of Sciences

Carotenoids play a crucial role in absorbing light energy for photosynthesis,as well as in protecting chlorophyll from *** contrast to the Streptophyta,few studies have examined carotenoid biosynthetic pathways in algae,owing to a shortage of *** part of the 1000 Plants Project,we sequenced and assembled the transcriptomes of 41 marine macroalgal species,including 22 rhodophytes and 19 phaeophytes,and then combined the datasets with publicly available data from Gen Bank（National Center for Biotechnology Information） and the *** of Energy Joint Genome *** a result,we identified 68 and 79 fulllength homologs in the Rhodophyta and Phaeophyceae,respectively,of seven inferred carotenoid biosynthetic genes,including the genes for phytoene synthase（PSY）,phytoene desaturase（PDS）,ζ-carotene desaturase（ZDS）,ζ-carotene isomerase（Z-ISO）,prolycopene isomerase（crt ISO）,lycopene β-cyclase（LCYB）,and lycopene ε-cyclase（LCYE）.We found that the evolutionary history of the algal carotenoid biosynthetic pathway was more complex than that of the same pathway in the Streptophyta and,more specifically,that the evolutionary history involved endosymbiotic gene transfer,gene duplication,and gene *** all of the eukaryotic algae that we examined had inherited the seven carotenoid biosynthesis genes via endosymbiotic gene ***,PSY,crt ISO,and the ancestral lycopene cyclase gene（LCY） underwent duplication events that resulted in multiple gene copies,and the duplication and subsequent divergence of LCYB and LCYE specialized and complicated the cyclization of *** findings also verify that the loss of LCYE in both the microphytic rhodophytes and phaeophytes explains the differences in their carotenoid patterns,when compared to the macrophytic *** analyses provide a molecular basis for further biochemical and physiological validation in additional algal species and should help elucidate the origin and evolution of caro

关键词： carotenoid biosynthesis algae phylogenetic analysis

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Chemical Fertilizer Reduction and High Yield Cultivation Technique for Peanut

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Asian Agricultural research 2019年第10期11卷 87-90页

作者： Yaping ZHENG Shifu WANG Zulin ZHENG Lili WANG Chunxiao WANG Zeqi LU Wei JIANG Hongwei ZANG Yongmei ZHENG shandong Peanut research institute Qingdao 266100China Gansu Precious Metal Smelting Co. Ltd.Dingxi 730500 China Weifang Food and Drug Inspection and Testing Center Weifang 261100China Wendeng District Agricultural technology Extension Station of Weihai City Weihai 264400China Yantai Academy of Agricultural Sciences Yantai 265500China

For a long time,the amount of fertilizer applied to peanuts in China has been much higher than that of other main peanut producing *** the same time of increasing production,chemical fertilizers have also brought many adverse effects,which have brought potential threats to the sustainable development of peanut *** continuously increasing the yield,reducing the amount of chemical fertilizer has become an urgent problem to be solved in peanut production of *** on the research results of our team,this paper appropriately absorbed the latest research progress of chemical fertilizer reduction in related fields,and established the cultivation technique for peanut fertilizer reduction and high yield under different cultivation modes,to realize the synchronization of fertilizer reduction and yield increase for peanut *** technique includes two parts:common technology and different cultivation mode fertilization *** former includes crop rotation,proper deep tillage,application of organic fertilizer,selection of nutrient-efficient varieties,topdressing of foliar fertilizer,etc.,the latter includes film mulching spring peanut,continuous cropping field,acidified soil,peanuts interplanting with wheat,and summer direct sowing,*** technique provides a technical support for the chemical fertilizer reduction of peanut production in China.

关键词： Peanut Chemical fertilizer reduction High yield cultivation

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Recommendations for the diagnosis and treatment of paroxysmal kinesigemc dyskinesia: an expert consensus in China

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Translational Neurodegeneration 2021年第1期10卷 67-76页

作者： Li Cao Xiaojun Huang Ning Wang Zhiying Wu Cheng Zhang Weihong Gu Shuyan Cong Jianhua Ma Ling Wei Yanchun Deng Qi Fang Qi Niu Jin Wang Zhaoxia Wang You Yin Jinyong Tian Shufen Tian Hongyan Bi Hong Jiang Xiaorong Liu Yang Lu Meizhen Sun Jianjun Wu Erhe Xu Tao Chen Tao Chen Xu Chen Wei Li Shujian Li Qinghua Li Xiaonan Song Ying Tang Ping Yang Yun Yang Min Zhang Xiong Zhang Yuhu Zhang Ruxu Zhang Yi Ouyang Jintai Yu Quanzhong Hu Qing Ke Yuanrong Yao Zhe Zhao Xiuhe Zhao Guohua Zhao Furu Liang Nan Cheng Jianhong Han Rong Peng Shengdi Chen Beisha Tang Department of Neurology Ruijin Hospital Shanghai Jiao Tong University School of MedicineShanghaiChina Department of Neurology The Sixth People's Hospital Shanghai Jiaotong UniversityShanghaiChina Department of Neurology and institute of Neurology The First Affiliated HospitalFujian Medical University/Fujian Key Laboratory of Molecular NeurologyFujian Medical UniversityFuzhouChina Department of Neurology and research Center of Neurology The Second Affiliated Hospital/Key Laboratory of Medical Neurobiology of Zhejiang ProvinceZhejiang University School of MedicineHangzhouChina Department of Neurology The First Affiliated HospitalSun Yat-sen UniversityGuangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases/National Key Clinical Department and Key Discipline of NeurologyGuangzhouChina Department of Neurology China-Japan Friendship HospitalMovement Disorder and Neurogenetics Research CenterBeijingChina Department of Neurology Shengjing Hospital of China Medical UniversityShenyangChina Department of Neurology The First Affiliated Hospital of Xinjiang Medical UniversityUrumqiChina Department of Neurology The First Affiliated Hospital of Anhui Medical UniversityCollaborative Innovation Center for Neuropsychiatric Disorders and Mental HealthAnhui Medical University/Anhui Province Key Laboratory of Cognition and Neuropsychiatry DisordersHefeiChina Department of Neurology Xijing HospitalFourth Military Medical UniversityXi'anChina Department of Neurology The First Affiliated Hospital of Soochow UniversitySuzhouChina Department of Neurology The First Affiliated Hospital of Nanjing Medical UniversityNanjingChina Department of Neurology The First Affiliated Hospital of Guangxi Medical UniversityNanningChina Department of Neurology Peking University First HospitalBeijingChina Department of Neurology Changzheng Hospitalthe PLA Naval Medical UniversityShanghaiChina Department of Neurology and Department of Emergency Guizhou Provincial People's Hospital

Paroxysmal dyskinesias are a group of neurological diseases characterized by intermittent episodes of involuntary movements with different *** kinesigenic dyskinesia(PKD)is the most common type of paroxysmal dyskinesia and can be divided into primary and secondary types based on the ***,PKD is characterized by recurrent and transient attacks of involuntary movements precipitated by a sudden voluntary *** major cause of primary PKD is genetic abnormalities,and the inheritance pattern of PKD is mainly autosomal-dominant with incomplete *** proline-rich transmembrane protein 2(PRRT2)was the first identified causative gene of PKD,accounting for the majority of PKD cases *** increasing number of studies has revealed the clinical and genetic characteristics,as well as the underlying mechanisms of *** seeking the views of domestic experts,we propose an expert consensus regarding the diagnosis and treatment of PKD to help establish standardized clinical evaluation and therapies for *** this consensus,we review the clinical manifestations,etiology,clinical diagnostic criteria and therapeutic recommendations for PKD,and results of genetic analyses in PKD patients performed in domestic hospitals.

关键词： Paroxysmal kinesigenic dyskinesia Diagnosis and treatment Expert consensus China

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Application of deep learning technique to the sea surface height prediction in the South China Sea

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Acta Oceanologica Sinica 2021年第7期40卷 68-76页

作者： Tao Song Ningsheng Han Yuhang Zhu Zhongwei Li Yineng Li Shaotian Li Shiqiu Peng College of Computer and Communication Engineering China University of Petroleum(East China)Qingdao 266580China State Key Laboratory of Tropical Oceanography South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhou 510301China Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 511458China Key Laboratory of Science and technology on Operational Oceanography Chinese Academy of SciencesGuangzhou 511458China Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf Bubei Gulf UniversityQinzhou 535011China Department of Artificial Intelligence Faculty of Computer SciencePolytechnical University of MadridBoadilla del Monte 28660MadridSpain

A deep-learning-based method,called ConvLSTMP3,is developed to predict the sea surface heights(SSHs).ConvLSTMP3 is data-driven by treating the SSH prediction problem as the one of extracting the spatial-temporal features of SSHs,in which the spatial features are“learned”by convolutional operations while the temporal features are tracked by long short term memory(LSTM).Trained by a reanalysis dataset of the South China Sea(SCS),ConvLSTMP3 is applied to the SSH prediction in a region of the SCS east off Vietnam coast featured with eddied and offshore currents in *** results show that ConvLSTMP3 achieves a good prediction skill with a mean RMSE of 0.057 m and accuracy of 93.4%averaged over a 15-d prediction *** particular,ConvLSTMP3 shows a better performance in predicting the temporal evolution of mesoscale eddies in the region than a full-dynamics ocean *** the much less computation in the prediction required by ConvLSTMP3,our study suggests that the deep learning technique is very useful and effective in the SSH prediction,and could be an alternative way in the operational prediction for ocean environments in the future.

关键词： deep learning sea surface height prediction convolutional operation long short term memory

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