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| 1 | Towards reliable Arctic sea ice prediction using multivariate data assimilation显示文摘Rapid declines in Arctic sea ice have captured attention and pose significant challenges to a variety of stakeholders. There is a rising demand for Arctic sea ice prediction at daily to seasonal time scales, which is partly a sea ice initial condition problem. Thus, a multivariate data assimilation that integrates sea ice observations to generate realistic and skillful model initialization is needed to improve predictive skill of Arctic sea ice. Sea ice data assimilation is a relatively new research area. In this review paper, we focus on two challenges for implementing multivariate data assimilation systems for sea ice forecast. First, to address the challenge of limited spatiotemporal coverage and large uncertainties of observations, we discuss sea ice parameters derived from satellite remote sensing that(1) have been utilized for improved model initialization, including concentration, thickness and drift, and(2) are currently under development with the potential for enhancing the predictability of Arctic sea ice, including melt ponds and sea ice leads. Second, to strive to generate the ‘‘best' estimate of sea ice initial conditions by combining model simulations/forecasts and observations, we review capabilities and limitations of different data assimilation techniques that have been developed and used to assimilate observed sea ice parameters in dynamical models. | Jiping Liu Zhiqiang Chen Yongyun Hu Yuanyuan Zhang Yifan Ding Xiao Cheng Qinghua Yang Lars Nerger Gunnar Spreen Radley Horton Jun Inoue Chaoyuan Yang Ming Li Mirong Song | 2019 | Science Bulletin2019，64，1： | 10 |
| 2 | Genome-wide identification and analysis of the DREB genes and their expression profiles under abiotic stresses in Chinese jujube(Ziziphus jujuba Mill.)显示文摘CBF/DREB proteins play a critical role in abiotic stress-mediated gene expression and represent attractive regulons for plant breeding programs.However,no study has been conducted for CBF/DREB protein-related genes in jujube(Ziziphus jujuba Mill.).In this study,twenty-five ZjDREB genes were identified and annotated from the jujube(Z.jujuba‘Dongzao’)genome.Detailed analysis,including gene classification,annotation,phylogenetic evaluation,conserved motif determination and expression profiling were performed on all genes.Phylogenetic analysis showed that ZjDREB proteins were divided into five subgroups(A1–A5),but lacking a subgroup A6 corresponding to AtDREBs.The ZjDREB genes were distributed in nine of twelve chromosomes in the genome.Additionally,the expression patterns of the DREB genes under different abiotic stresses were investigated using q RT-PCR.Nineteen ZjDREB genes were down-regulated under low temperature,in contrast six ZjDREB genes(01,03,05,11,23 and 24)were up-regulated.Under drought,salinity and high temperature conditions,expression of ZjDREB03,09,10,14,15,17 and 20 genes were induced and showed similar expression patterns,suggesting that various stress conditions share common elements in the signaling pathway.The results suggest that the family of DREB genes play an important role in abiotic stresses in jujube,and provide a foundation for further functional studies of this important class of transcriptional regulators. | Heying Zhou Jiping Jia Decang Kong Zhendong Zhang Shuang Song Yingyue Li Xiaoming Pang | 2019 | Journal of Forestry Research2019，30，4： | 8 |
| 3 | Strengthening shale wellbore with silica nanoparticles drilling fluid显示文摘Nanoparticles have been widely used to reduce wellbore instability problems of shale formation.In this paper,nanoparticle-containing water-based drilling fluids(WBDFs)and oil-based drilling fluids(OBDFs)were evaluated by running three new tests including spontaneous imbibition,swelling rate and acoustic transit time.Results showed that,for the WBDFs,nanoparticles leaded to higher plastic viscosity(PV)and yield point(YP),and lower API-filtration.Moreover,because pore throats of shale can be plugged by nanoparticles,imbibition amount,swelling rate,and Young's-modulus reduction of shale decreased significantly.Higher concentration of nanoparticles can induce better plugging effect.However,for the OBDFs,nanoparticles did not show these positive effects like the nano WBDFs,even leaded to some negative effects such as higher filtration and larger Young'smodulus reduction.The main reasons are that the silica nanoparticles can easily disperse in the WBDFs,and effectively prevent the filtrate invading into shale by plugging pore throats.But the same silica nanoparticles are difficult to disperse in OBDFs,and do not perform the expected functions.This study indicates that nano WBDFs have great potential to reduce the wellbore instability problems of shale formation. | Yili Kang Jiping She Hao Zhang Lijun You Minggu Song | 2016 | Petroleum2016，2，2： | 7 |
| 4 | Advances in catalytic conversion of lignocellulose to chemicals and liquid fuels显示文摘In response to the awareness of limited fossil resources and environmental concerns,catalytic conversion of renewable lignocellulose biomass to value-added chemicals and fuels is of great significance and attractive for sustainable chemistry.Division of Biomass Conversion and Bio-Energy attached to Dalian National Laboratory for Clean Energy has devoted themselves to valorization of lignocellulose biomass since launched in 2011.Our research interests focus on breeding of biomass resources(inulin and microalgae),exploration of catalytic and biological technologies,and production of energy chemicals and fuels.Although lignocellulose biomass is renewable and abundant,the way of utilization should be reasonable according to its structural characteristics in view of efficiency and economy.In this review,to celebrate the DICP's 70 th anniversary,we will highlight the major fundamental advances in DICP about the conversion of lignocellulose to value-added chemicals and liquid fuels.Particular attention will be paid to the transformation of cellulose and its derivatives to glycols,acids and nitrogen-containing chemicals,hemicellulose-derived platform molecule furfural to jet fuels and lignin to aromatics using catalytic technologies. | Jiping Ma Song Shi Xiuquan Jia Fei Xia Hong Ma Jin Gao Jie Xu | 2019 | Journal of Energy Chemistry2019，28，9： | 6 |
| 5 | The role of diminishing Arctic sea ice in increased winter snowfall over northern high-latitude continents in a warming environment显示文摘Large parts of North America,Europe,Siberia,and East Asia have experienced cold snaps and heavy snowfalls for the past few winters,which have been linked to rapid decline of Arctic sea ice.Although the role of reduction in Arctic sea ice in recent cold and snowy winters is still a matter of debate,there is considerable interest in determining whether such an emerging climate feedback will persist into the future in a warming environment.Here we show that increased winter snowfall would be a robust feature throughout the 21 st century in the northeastern Europe,central and northern Asia and northern North America as projected by current-day climate model simulations under the medium mitigation scenario.We argue that the increased winter snowfall in these regions during the 21 st century is due primarily to the diminishing autumn Arctic sea ice(largely externally forced).Variability of the winter Arctic Oscillation(dominant mode of natural variability in the Northern Hemisphere),in contrast,has little contribution to the increased winter snowfall.This is evident in not only the multi-model ensemble mean,but also each individual model(not model-dependent).Our findings reinforce suggestions that a strong sea ice-snowfall feedback might have emerged,and would be enhanced in coming decades,increasing the chance of heavy snowfall events in northern high-latitude continents. | SONG Mirong LIU Jiping | 2017 | Acta Oceanologica Sinica2017，36，8： | 3 |
| 6 | Differential expression of meat quality and intramuscular fat deposition related genes in Hanjiang black pigs显示文摘 | Guofang Wu Xin'e Shi Jiping Zhou Lei Wang Yuefeng Li Chengchuang Song Aoqi Xiang Peiyue Dong Shiduo Sun | 2014 | Acta Biochimica et Biophysica Sinica2014，46，12： | 3 |
| 7 | In- hibitory effects of salicylic acid family compounds on the di- phenolase activity of mushroom tyrosinase显示文摘 | ZHANG Jiping CHEN Qingxi SONG Kangkang | 2006 | Food Chem2006，95，4： | 1 |
| 8 | Arctic sea ice concentration and thickness data assimilation in the FIO-ESM climate forecast system显示文摘To improve the Arctic sea ice forecast skill of the First Institute of Oceanography-Earth System Model(FIO-ESM)climate forecast system,satellite-derived sea ice concentration and sea ice thickness from the Pan-Arctic IceOcean Modeling and Assimilation System(PIOMAS)are assimilated into this system,using the method of localized error subspace transform ensemble Kalman filter(LESTKF).Five-year(2014–2018)Arctic sea ice assimilation experiments and a 2-month near-real-time forecast in August 2018 were conducted to study the roles of ice data assimilation.Assimilation experiment results show that ice concentration assimilation can help to get better modeled ice concentration and ice extent.All the biases of ice concentration,ice cover,ice volume,and ice thickness can be reduced dramatically through ice concentration and thickness assimilation.The near-real-time forecast results indicate that ice data assimilation can improve the forecast skill significantly in the FIO-ESM climate forecast system.The forecasted Arctic integrated ice edge error is reduced by around 1/3 by sea ice data assimilation.Compared with the six near-real-time Arctic sea ice forecast results from the subseasonal-toseasonal(S2 S)Prediction Project,FIO-ESM climate forecast system with LESTKF ice data assimilation has relatively high Arctic sea ice forecast skill in 2018 summer sea ice forecast.Since sea ice thickness in the PIOMAS is updated in time,it is a good choice for data assimilation to improve sea ice prediction skills in the near-realtime Arctic sea ice seasonal prediction. | Qi Shu Fangli Qiao Jiping Liu Zhenya Song Zhiqiang Chen Jiechen Zhao Xunqiang Yin Yajuan Song | 2021 | Acta Oceanologica Sinica2021，40，10： | 1 |
| 9 | Points of Coincidence for Weakly Compatible Pair of Mappings in Cone Metric Spaces显示文摘In this paper, some new existence and uniqueness of points of coincidence of weakly compatible pair of mappings is obtained, which does not satisfy continuity and commutativity. The conditions are weaker than the usual conditions in cone metric spaces. Some common fixed point theorems are obtained, these results improve several well-known comparable results in literatures. For further, some examples are given to support our results. | SONG Jiping | 2015 | Wuhan University Journal of Natural Sciences2015，20，1： | 0 |
| 10 | Common Fixed Points for Multiplicative Contractions in Multiplicative Metric Spaces显示文摘The study delves into multiplicative contractions,exploring the existence and uniqueness of common fixed points for a weakly compatible pair of mappings.Those mappings adhere to specific multiplicative contraction conditions characterized by exponents expressed as fraction multiplicative metric spaces.It is noted that a metric can induce a multiplicative metric,and conversely,a multiplicative metric can give a rise to a metric on a nonempty set.As an application,another proof of the existence and uniqueness of the solution of a multiplicative initial problem is given. | SONG Jiping LUO Tianqi LEI Lei | 2024 | Wuhan University Journal of Natural Sciences2024，29，1： | 0 |
| 11 | Occurrence Regularity and Green Prevention and Control Technology of Bradysia odoriphaga in Shandong Province显示文摘The occurrence regularity,damage characteristics and difficulties in prevention and control of Bradysia odoriphaga in Shandong Province were elaborated,and effective,economic,no residue,simple and feasible green prevention and control technology were put forward,in order to better guide the Chinese chive production.The study would also promote benign development of Chinese chive industry in Shandong Province. | Li Zhaoxia Xu Nianfang Zang Chuanjiang Song Jiping Wang Zhenbao Fu Zaiqiu | 2019 | Plant Diseases and Pests2019，10，4： | 0 |
| 12 | Subseasonal to seasonal Arctic sea-ice prediction:A grand challenge of climate science显示文摘On 15 September 2020,the Arctic sea-ice extent(SIE)reached its annual minimum,which,based on data from the National Snow and Ice Data Center(NSIDC,2020a),was about 3.74 million km^(2)(1.44 million square miles).This value was about 40%less than the climate average(~6.27 million km^(2))during 1980–2010.It was second only to the record low(3.34 million km^(2))set on 16 September 2012,but significantly smaller than the previous second-lowest(4.145 million km^(2),set on 7 September 2016)and third-lowest(4.147 million km^(2),set on 14 September 2007)values,making 2020 the second-lowest SIE year of the satellite era(42 years of data). | Ke Wei Jiping Liu Qing Bao Bian He Jiao Ma Ming Li Mirong Song Zhu Zhu | 2021 | Atmospheric and Oceanic Science Letters2021，14，4： | 0 |
| 13 | The V1 region of gp120 is preferentially selected during SIV/HIV transmission and is indispensable for envelope function and virus infection显示文摘A transmission bottleneck occurs during each human immunodeficiency virus(HIV) transmission event, which allows only a few viruses to establish new infection. However, the genetic characteristics of the transmitted viruses that are preferentially selected have not been fully elucidated. Here, we analyzed amino acids changes in the envelope protein during simian immunodeficiency virus(SIV)/HIV deep transmission history and current HIV evolution within the last 15–20 years. Our results confirmed that the V1V2 region of gp120 protein, particularly V1, was preferentially selected. A shorter V1 region was preferred during transmission history, while during epidemic, HIV may evolve to an expanded V1 region gradually and thus escape immune recognition. We then constructed different HIV-1 V1 mutants using different HIV-1 subtypes to elucidate the role of the V1 region in envelope function. We found that the V1 region, although highly variable, was indispensable for virus entry and infection, probably because V1 deletion mutants exhibited impaired processing of gp160 into mature gp120 and gp41. Additionally, the V1 region affected Env incorporation. These results indicated that the V1 region played a critical role in HIV transmission and infection. | Yanpeng Li Ulf Dittmer Yan Wang Jiping Song Binlian Sun Rongge Yang | 2016 | Virologica Sinica2016，31，3： | 0 |
| 14 | Multi-Environmental Genetic Analysis of Grain Size Traits Based on Chromosome Segment Substitution Line in Rice(Oryza sativa L.)显示文摘Grain size traits are critical agronomic traits which directly determine grain yield,but the genetic bases of these traits are still not well understood.In this study,a total of 154 chromosome segment substitution lines(CSSLs)population derived from a cross between a japonica variety Koshihikari and an indica variety Nona Bokra was used to investigate grain length(GL),grain width(GW),length-width ratio(LWR),grain perimeter(GP),grain area(GA),and thousand grain weight(TGW)under four environments.QTL mapping analysis of six grain size traits was performed by QTL IciMapping 4.2 with an inclusive composite interval mapping(ICIM)model.A total of 64 QTLs were identified for these traits,which mapped to chromosomes 1,2,3,4,6,7,8,10,11,and 12 and accounted for 1.6%–27.1%of the total phenotypic variations.Among these QTLs,thirty-six loci were novel and seven QTLs were identified under four environments.One locus containing the known grain size gene,qGL3/GL3.1/OsPPKL1,also have been found.Moreover,five pairs of digenic epistatic interactions were identified except for GL and GP.These findings will facilitate fine mapping of the candidate gene and QTL pyramiding to genetically improve grain yield in rice. | Yujia Leng Shuilian Wang Ruoan Wang Tao Tao Shuwen Jia Tao Song Lina Xu Xiuling Cai Sukui Jin Jiping Gao | 2022 | Phyton-International Journal of Experimental Botany2022，91，5： | 0 |
| 15 | Coupled Coincidence Points for F-Contractive Type Mappings in Partially Ordered Metric Spaces显示文摘In this article,some coupled coincidence point results for two mappings g:X→X and G:X×X→X satisfying F-contractive type conditions are obtained,and some coupled fixed point results are derived in partially ordered metric spaces.A sufficient condition for uniqueness of coupled point of coincidence are established for F type contraction,and a coupled common fixed point theorem is obtained.Some examples are given to support our results. | SONG Jiping | 2019 | Wuhan University Journal of Natural Sciences2019，24，6： | 0 |
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