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| 1 | Modeling Arctic Ocean heat transport and warming episodes in the 20th century caused by the intruding Atlantic Water显示文摘This study investigates the Arctic Ocean warming episodes in the 20th century using both a high-resolution coupled global climate model and historical observations .The model,with no flux adjustment,reproduces well the Atlantic Water core temperature(AWCT) in the Arctic Ocean and shows that four largest decadal-scale warming episodes occurred in the 1930s,70s,80s,and 90s,in agreement with the hydrographic observational data.The difference is that there was no pre-warming prior to the 1930s episode,while there were two pre-warming episodes in the 1970s and 80s prior to the 1990s,leading the 1990s into the largest and prolonged warming in the 20th century.Over the last century,the simulated heat transport via Fram Strait and the Barents Sea was estimated to be,on average,31.32 TW and 14.82 TW,respectively,while the Bering Strait also provides 15.94 TW heat into the western Arctic Ocean.Heat transport into the Arctic Ocean by the Atlantic Water via Fram Strait and the Barents Sea correlates significantly with AWCT(C=0.75 ) at 0- lag.The modeled North Atlantic Oscillation(NAO) index has a significant correlation with the heat transport(C=0.37).The observed AWCT has a significant correlation with both the modeled AWCT(C=0.49) and the heat transport(C=0.41). However,the modeled NAO index does not significantly correlate with either the observed AWCT(C=0.03) or modeled AWCT(C=0.16) at a zero-lag,indicating that the Arctic climate system is far more complex than expected. | Wang Jia Jin Meibing Jun Takahashi Tatsuo Suzuki Igor V Polyakov Kohei Mizobata Moto Ikeda Fancois J. Saucier Markus Meier | 2008 | Chinese Journal of Polar Science2008,19,2: | 2 |
| 2 | Ocean Mixing with Lead-Dependent Subgrid Scale Brine Rejection Parameterization in a Climate Model显示文摘Sea ice thickness is highly spatially variable and can cause uneven ocean heat and salt flux on subgrid scales in climate models.Previous studies have demonstrated improvements in ocean mixing simulation using parameterization schemes that distribute brine rejection directly in the upper ocean mixed layer.In this study,idealized ocean model experiments were conducted to examine modeled ocean mixing errors as a function of the lead fraction in a climate model grid.When the lead is resolved by the grid,the added salt at the sea surface will sink to the base of the mixed layer and then spread horizontally.When averaged at a climate-model grid size,this vertical distribution of added salt is lead-fraction dependent.When the lead is unresolved,the model errors were systematic leading to greater surface salinity and deeper mixed-layer depth(MLD).An empirical function was developed to revise the added-salt-related parameter n from being fixed to lead-fraction dependent.Application of this new scheme in a climate model showed significant improvement in modeled wintertime salinity and MLD as compared to series of CTD data sets in 1997/1998 and 2006/2007.The results showed the most evident improvement in modeled MLD in the Arctic Basin,similar to that using a fixed n=5,as recommended by the previous Arctic regional model study,in which the parameter n obtained is close to 5 due to the small lead fraction in the Arctic Basin in winter. | Meibing Jin Jennifer Hutchings Yusuke Kawaguchi Takashi Kikuchi | 2012 | Journal of Ocean University of China2012,11,4: | 1 |
| 3 | A coupled ice-ocean ecosystem model for 1-D and 3-D applications in the Bering and Chukchi Seas显示文摘Primary production in the Bering and Chukchi Seas is strongly influenced by the annual cycle of sea ice.Here pelagic and sea ice algal ecosystems coexist and interact with each other.Ecosystem modeling of sea ice associated phytoplankton blooms has been understudied compared to open water ecosystem model applications. This study introduces a general coupled ice-ocean ecosystem model with equations and parameters for 1-D and 3-D applications that is based on 1-D coupled ice-ocean ecosystem model development in the landfast ice in the Chukchi Sea and marginal ice zone of Bering Sea.The biological model includes both pelagic and sea ice algal habitats with 10 compartments:three phytoplankton(pelagic diatom,flagellates and ice algae:D,F,and Ai),three zooplankton(copepods,large zooplankton,and micro-zooplankton :ZS,ZL,ZP),three nutrients(nitrate+nitrite,ammonium,silicon: NO_3,NH_4,Si) and detritus(Det).The coupling of the biological models with physical ocean models is straightforward with just the addition of the advection and diffusion terms to the ecosystem model.The coupling with a multi-category sea ice model requires the same calculation of the sea ice ecosystem model in each ice thickness category and the redistribution between categories caused by both dynamic and thermodynamic forcing as in the physical model.Phytoplankton and ice algal self-shading effect is the sole feedback from the ecosystem model to the physical model. | Jin Meibing Clara Deal Wang Jia | 2008 | Chinese Journal of Polar Science2008,19,2: | 1 |
| 4 | Chaotic behavior of crude copper composition time series in the process of matte converting and its predicable time scale显示文摘 | Ea J Q Wang Y N Meib Ch | | 0,,: | 1 |
| 5 | A Coupled Ice-Ocean Model in the Pan-Arctic and North Atlantic Ocean: Simulation of Seasonal Cycles显示文摘 | Jia Wang Qinzheng Liu Meibing Jin Motoyoshi Ikeda Francois J. Saucier | 2005 | Journal of Oceanography2005,,2: | 1 |
| 6 | A Coupled Ice-Ocean Model in the Pan-Arctic and North Atlantic Ocean: Simulation of Seasonal Cycles显示文摘 | Jia Wang Qinzheng Liu Meibing Jin Motoyoshi Ikeda Francois J. Saucier | 2005 | Journal of Oceanography2005,,2: | 1 |
| 7 | Observations and modeling of the ice-ocean conditions in the coastal Chukchi and Beaufort Seas显示文摘The Chukchi and Beaufort Seas include several important hydrological features:inflow of the Pacific water,Alaska coast current(ACC),the seasonal to perennial sea ice cover,and landfast ice along the Alaskan coast.The dynamics of this coupled ice-ocean system is important for both regional scale oceanography and large-scale global climate change research.A number of moorings were deployed in the area by JAMSTEC since 1992,and the data revealed highly variable characteristics of the hydrological environment.A regional high-resolution coupled ice-ocean model of the Chukchi and Beaufort Seas was established to simulate the ice-ocean environment and unique seasonal landfast ice in the coastal Beaufort Sea.The model results reproduced the Beaufort gyre and the ACC.The depth-averaged annual mean ocean currents along the Beaufort Sea coast and shelf break compared well with data from four moored ADCPs,but the simulated velocity had smaller standard deviations,which indicate small-scale eddies were frequent in the region.The model results captured the seasonal variations of sea ice area as compared with remote sensing data,and the simulated sea ice velocity showed an almost stationary area along the Beaufort Sea coast that was similar to the observed landfast ice extent.It is the combined effects of the weak oceanic current near the coast,a prevailing wind with an onshore component,the opposite direction of the ocean current,and the blocking by the coastline that make the Beaufort Sea coastal areas prone to the formation of landfast ice. | JIN Meibing WANG Jia MIZOBATA Kohei HU Haoguo SHIMADA Koji | 2008 | Acta Oceanologica Sinica2008,27,3: | 1 |
| 8 | The role of Interleukin -8 and its receptors in gliomagenesis and tumoralangiogenesis 显示文摘 | BRAT D J BELLAIL A C VAN MEIB E G | 2005 | Neurooncol2005,7,2: | 1 |
| 9 | Three-dimensional numerical prediction of vertical temperature structure of the Huanghai and the Bohai Seas显示文摘In the paper, the sea is divided into two layers with density jumping, assuming that the physical parameters in each layer are independent of depth. Two-layer flow field with tide and wind currents is calculated with extended ADI method, after the calculation for flow field is stable , coupled with temperature diffusion equations and thermohaline depth prediction equation, a four-day time prediction of the surface, bottom temperature and thermohaline depth of the Huanghai and the Bohai Seas. At the same time, three dimensional temperature field of sea water is predicted through vertical temperature distribution function. The result indicates that the prediction quality of the whole model and the fitting degree between the predicted result and the measured values are satisfactory. | Jin Meibing, Wang Zongshan and Xu Bochang First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China | 1993 | Acta Oceanologica Sinica1993,12,4: | 1 |
| 10 | A Coupled Ice-Ocean Model in the Pan-Arctic and North Atlantic Ocean: Simulation of Seasonal Cycles显示文摘 | Jia Wang Qinzheng Liu Meibing Jin Motoyoshi Ikeda Francois J. Saucier | 2005 | Journal of Oceanography2005,,2: | 1 |
| 11 | Sensitivity study of subgrid scale ocean mixing under sea ice using a two-column ocean grid in climate model CESM显示文摘从海冰形成的盐水排水在海洋在极的海洋混合和 halocline 的季节的变化起一个关键作用。盐水排水和它的导致的传送对流的水平规模比当盐水排水在一个格子房间上被平均时,一个气候模型格子和一个模型趋于生产混合的假海洋的小得多。一个二列的海洋格子(TCOG ) 计划用联合的海冰海洋模型设定明确地解决在社区地球系统模型(CESM ) 被实现有或没有盐水拒绝的在一个模型格子的二亚列的不同垂直混合。有盐水拒绝的格子的部分被测试在一样的大气的数据从 1978 ~ 2009 强迫的一系列敏感模型跑等于铅部分或一个小经常的数字。模型结果与从 29 冰的观察相比在从 2004 ~ 2009 的北极海洋盆的拴住的剖析程序(ITP ) 。与用一个常规海洋格子的控制跑相比, TCOG 模拟在咸度显示出模型错误的一致减小并且混合了层深度(MLD ) 。用为盐水拒绝的一个小经常的部分格子的模型被发现与观察生产最好的模型比较,显示盐水排水的水平规模与海冰盖子相比是很小的并且比铅部分甚至小。比得上用盐水拒绝 parameterization 计划的模型, TCOG 在咸度完成了更多的改进但是在 MLD 类似。 | Meibing JIN Jennifer HUTCHINGS Yusuke KAWAGUCHI | 2015 | Frontiers of Earth Science2015,9,4: | 0 |
| 12 | Modeling seasonal variations of ocean and sea ice circulation in the Beaufort and Chukchi Seas:A model-data fusion study显示文摘A 3.8-km Coupled Ice-Ocean Model(CIOM) was implemented to successfully reproduce many observed phenomena in the Beaufort and Chukchi seas,including the Bering-inflow-originated coastal current that splits into three branches: Alaska Coastal Water(ACW),Central Channel,and Herald Valley branches.Other modeled phenomena include the Beaufort Slope Current(BSC),the Beaufort Gyre, the East Siberian Current(ESC),mesoscale eddies,seasonal landfast ice,sea ice ridging,shear,and deformation.Many of these downscaling processes can only be captured by using a high-resolution CIOM,nested in a global climate model.The seasonal cycles for sea ice concentration,thickness,velocity,and other variables are well reproduced with solid validation by satellite measurements.The seasonal cycles for upper ocean dynamics and thermodynamics are also well reproduced,which include the formation of the cold saline layer due to the injection of salt during sea ice formation,the BSC,and the subsurface upwelling in winter that brings up warm,even more saline Atlantic Water along the shelfbreak and shelf along the Beaufort coast. | Wang Jia Kohei Mizobata Hu Haoguo Jin Meibing Zhang Sheng Walter John-son Koji Shimada Moto Ikeda | 2008 | Chinese Journal of Polar Science2008,19,2: | 0 |
| 13 | The significance of water column nitrification in the southeastern Bering Sea显示文摘Nitrate is considered the nutrient that limits new primary production in the southeastern Bering Sea shelf.Nitrate regenerated through biological nitrification has the potential to significantly support primary production as well.Here we use measurements of the specific rate of water column nitrification in a 1-D ecosystem model to quantify the resupply of nitrate from nitrification in the middle shelf of the southeastern Bering Sea.Model sensitivity studies reveal nitrification rate is an important control on the dominant phytoplankton functional type,and the amount of nitrate in summer bottom waters and in the winter water column.Evaluation of nitrification using the model supports the hypothesis that increases in late-summer nitrate concentrations observed in the southeastern Bering Sea bottom waters are due to nitrification.Model results for nitrate replenishment exceed previously estimated rates of 20-30%based on observations.The results of this study indicate that nitrification,potentially the source of up to~38%of the springtime water column nitrate,could support~24%of the annual primary production. | Clara J Deal Jin Meibing Wang Jia | 2008 | Chinese Journal of Polar Science2008,19,2: | 0 |
| 14 | The inversion of the Equatorial Undercurrent in the western tropical Pacific during 1986/1987 El Nino event显示文摘On the basis of time series measurements of winds, currents, temperature and salinity from equatorial current meter mooring and acoustic Doppler current profiler during the PRC/USA joint air-sea interaction studies in the western tropical Pacifc Ocean and sea level data provided by Prof. Wyrtki, analyses are made of the physical process and mechanism for the exceptionally inverse phenomenon (westward) of the Equatorial Undercurrent (EUC) in the western tropical Pacific after entering the mature stage of 1986/1987 ENSO event, and the numerical simulation is also conducted by 'cross section' model. The results indicate that the inversion of the EUC is related to that of pressure gradient force near the equator under the influence of non-local permanent westerlies. | Wang Zongshan, Jin Meibing, Zou Emei and Xu Bochang First Institute of Oceanography, State Oceanic Administration, Qingdao 266003, China | 1993 | Acta Oceanologica Sinica1993,12,4: | 0 |
| 15 | Multivalent neuraminidase hydrolysis resistant triazole-sialoside protein conjugates as influenza-adsorbents显示文摘We report the synthesis of pseudo triazole-sialoside protein conjugates of various valency that are resistant to neuraminidase for the adsorption of influenza viruses. The glycotriazole monomer bearing an amine-functionalized linker was synthesized by click chemistry and grafted to the lysine residues of bovine serum albumin(BSA) or human serum albumin(HSA) via diethyl squarate and adipate-based strategy. The binding of hemagglutinin(HA) and neuraminidase(NA) on the virion surface by the synthetic neoglycoproteins were evaluated by hemagglutination and neuraminidase inhibition assay,respectively. The results demonstrated that these synthetic glycoproteins have significantly higher affinity with NA than HA. The interactions between these neoglycoproteins and intact influenza viruses were further investigated by Dynamic Light Scattering(DLS) technique. The pronounced agglutination indicated that these glycoconjugates can be used as adsorbents to prevent virus from invading host cells as well as the release of newly synthesized viral particles, which are crucial in the life cycle of the influenza virus. With the high binding affinity to intact influenza viruses, these neoglycoproteins can also be used as probe to elucidate the molecular mechanism of the sialic acid-influenza recognition and biosensors for influenza detection. | Xin Meng Meibing Yang Yang Li Xiaobin Li Tianwei Jia Haojie He Qun Yu Na Guo Yun He Peng Yu Yang Yang | 2018 | Chinese Chemical Letters2018,29,1: | 0 |
| 16 | An approach to determine coeffi cients of logarithmic velocity vertical profile in the bottom boundary layer显示文摘Velocity vertical profiles in the bottom boundary layer are important to understand the oceanic circulation.The logarithmic vertical profile,u=A ln z+B,is the universal profile for the horizontal velocity in the boundary layer,in which two coefficients(A and B)need to be determined.The two coefficients are the functions of the friction velocity(u_(*))and the roughness length(z_(0)),and they are calculated using u_(*)and z_(0).However,the measurement of u_(*)and z_(0) is a challenge.In the present study,an approach is developed to estimate the two coefficients(A and B)by using a series of fl ume laboratory experiments with fl at boundary and regularly distributed cylinders as the rough boundaries.An acoustic doppler velocimeter(ADV)is used to measure the velocity vertical profiles of the steady flow.Using the measured velocity data,the regressed logarithmic profiles are obtained.Based on the series of the A and B values,the mathematical formula for A and B are statistically established as the function of the cylinder height,inflow velocity,and the water depth,which avoids the measurement of the friction velocity and the roughness length. | Xiaowei WEI Yiming ZHANG Changming DONG Meibing JIN Changshui XIA | 2021 | Journal of Oceanology and Limnology2021,39,6: | 0 |