内蒙古乌拉特后旗潮海地区元素地球化学分布特征及金成矿远景预测

内蒙古乌拉特后旗潮海地区具有较好的成矿前景,在潮海地区通过开展区域1∶5万地球化学测量及重点工作区1∶1万地球化学测量与成矿元素的空间分布特征研究,认为该区寻找Au及多金属矿的潜力较大。通过元素异常特征及传统地质大比例尺填图的综合方法,发现该区Au矿化可能与二长花岗岩区内部的石英脉及寒武系变质岩系密切相关,区内深大断裂亦为其控矿因素。依据元素区域地球化学异常特征,并结合区域大比例尺地质测量、地球物理特征划分出了乌兰敖包和萨音呼都格两个Au成矿远景区。

潮海开关史事考略

对潮海开关的一些重要史事,诸如开关的具体时间、开关与开埠的关系、开关后潮海关与粤海关的财政关联等问题做了初步探讨。1860年1月1日,汕头开埠通商;1月19日,潮海洋关开设,外籍税务司制度建立。潮海开关后,常、洋两税分开征收,但两税的报解、奏销以及海关经费的支销仍归并于粤海关监督,潮海关与粤海关财政关系并未就此切断。

青岛市即墨区潮海启翰小学

青岛市即墨区潮海启翰小学秉承“七彩启翰,中国少年”的教育理念,以“培养有担当的一代中国少年”为己任,全面强化以“五育”为中心的学生核心素养提升,特别是根据域情、校情、生情,将劳动教育作为小学阶段的“必修课”,结合不同学段,自编劳动校本课程。积极推行“家校合育式”劳动教育培养模式,探索新形势下让劳动教育落地、在学生心中扎根的有效举措。学校结合劳动教育特点,在做好学校劳动教育“功课”的同时,最终通过六年的劳动教育,让小学生树立正确的劳动观,掌握基本的劳动技能。

潮海拾贝谱新篇——对《若羌县志》的几点思考

若羌县是一块神奇的土地,这里有不少中国和世界史上的奇迹,有许多迷人的自然景观。她诱人的魅力使人向往、惊奇、留恋,既惊心动魄,又回味无穷。古楼兰王国犹如向我们款款走来的绝世神秘美女。

吉林省公路学会第九次会员代表大会顺利召开

2023年5月20日,吉林省公路学第九次会员代表大会在吉林省交通科学研究所召开,学会第九届会员单位代表、理事代表参会。省交通厅二级巡视员王潮海出席并主持会议,中国公路学会、山东等省公路学会发来贺辞。会议进行学会换届选举,产生了新一届学会理事会领导机构,王潮海为学会理事长、鲁亚义、王东为副理事长、陈志国为秘书长,会议审议并通过了修订的学会章程和各项管理办法。

A study of impact of the reclamation and artificial island projects on tidal currents and sediment concentration in radial sand ridge field of the South Yellow Sea

The two-dimensional hydrodynamic model, MIKE21, is applied to simulate the tidal currents and sediment concentration in the radial sand ridges of the South Yellow Sea. Results are in accordance with in situ observations. Then the variations of tidal currents and suspended sediment concentration caused by reclamation and artificial islands projects are simulated. The results show that the impacts are limited around the project areas. After the projects, the fan-shaped, Jianggang centered tidal current pattern would be replaced by a pattern which is formed by two tidal paths. One locates at the Xiyang channel in north-south direction, and the other locates at the Huangshayang channel in east-west direction. The reclamation of Tiaozini separates the waters into south portion and north portion. The changes of sediment concentrations coincide with those of currents. Both the sediment concentrations and tidal currents increase at the northwest of Dongsha and the south of Gaoni, while both decrease at the north and south of Tiaozini, and the east and southwest of Dongsha.

Time series analysis of red tide's disaster characteristics in China seas

The annual frequency of red tides from 1977 to 2012 and the monthly frequency of red tides from 2001 to 2012 in China seas were used to establish the time series of red tide annual frequency and monthly frequency, respectively. The annual frequency fit well with time segments revealed by piecewise linear regression analysis. The seasonal maximum of monthly frequency was in May （-18.22）, and the stochastic volatility tended to increase gradually with time series, with peak values occurring from May to July. Holt exponential smoothing and Holt-winter exponential smoothing were used to predict red tide annual and monthly frequencies, which revealed that the annual frequency of red tides would rise slowly by one time from 2013 to 2020, and that red tides would mainly occur from May to July in 2013-2016 with a peak value of about 25 times in May.

Numerical Study on Tides in the Taiwan Strait and its Adjacent Areas

Diurnal and semi-diurnal tides in the Taiwan Strait and its adjacent areas are calculated by using a two-dimensional finite-difference model. Compared with data of more than 20 observation stations around the Taiwan Strait, the model-produced results agree quite well with those of previous researches using observational data from coastal tidal gauge stations. According to the results, the co-tidal and co-range charts are given. Furthermore, the characteristics of 8 major tidal constituents have been uminated respectively. The result shows that： （1） The tide motion can be attributed to the interaction between the degenerative rotary tidal system in the north and the progressive tidal system in the south. （2） The southward and northward tidal waves of semi-diurnal tide converge in the middle of the Taiwan Strait while the diurnal tidal waves propagate southwestward through the Taiwan Strait and the Luzon Strait. （3） The maximum amplitude of semi-diurnal tides exists at the area between the Meizhou Bay and Xinghua Bay, and that of diurnal tides appears in the region to the east of the Leizhou Peninsula, （4） The patterns of co-tidal and co-range charts of N2, K2 and P1, Q1 tidal constituents are similar to those of M2, S2 and K1 O1 tidat constituents, respectively

Numerical simulation of typhoon- induced storm surge on the coast of Jiangsu Province,China,based on coupled hydrodynamic and wave models

In order to facilitate engineering design and coastal flooding protection, the potential storm surge induced by a typhoon is studied.Using an unstructured mesh, a coupled model which combines the advanced circulation （ ADCIRC ） hydrodynamic model and simulating waves nearshore （ SWAN ） model is applied to analyze the storm surge and waves on the coast of Jiangsu Province.The verifications of wind velocity, tidal levels and wave height show that this coupling model performs well to reflect the characteristics of the water levels and waves in the studied region.Results show that the effect of radiation stress on storm surge is significant, especially in shallow areas such as the coast of Jiangsu Province and the Yangtze estuary.By running the coupled model, the simulated potential flooding results can be employed in coastal engineering applications in the Jiangsu coastal area, such as storm surge warnings and extreme water level predictions.

柳永《望海潮》的异域接受与本土反响——以宋金时期为论

柳永是一位在宋代当时最具有国际影响的词人,他的词广泛传播到高丽、西夏和金国。根据《鹤林玉露》、《大金国志》等书记载,金主完颜亮听唱他的《望海潮》词,"遂决意南征",一首词便成为一场战争的导火索。宋人对此事持三种态度:谴责柳永以词招徕强敌,引出无边愁恨;称赏此词诱使敌酋南下送命,不但无过反而有功,但其中所写西湖美景使南渡豪杰丧失斗志,又令人遗憾;把词中所写当作杭州、江南、天下美景的象征,而绝口不提招引金主南侵之事,这种刻意回避,也是一种接受。《望海潮》在宋金对峙特殊历史时期的异域接受与本土反响,政治因素在其中起着非常重要的影响。它是唐宋词传播接受过程中的特例,又合于一般接受理论。

Multi-effect distillation system for seawater desalination driven by tidal energy and low grade energy

A multi-effect distillation technology for seawater desalination driven by tidal energy and low grade energy is presented.In the system,tidal energy is utilized to supply power instead of coventional electric pumps during the operation,resulting in the decrease of dependence on steady electric power supply and a reduction in the running costs.According to the technological principle,a testing unit is designed and built.The effects of the feed seawater temperature and the heat source temperature on the unit performance are tested and analyzed.The experimental results show that the fresh water output is 27 kg/h when the heating water temperature is 65 ℃ and the absolute pressure is 25 kPa.The experimental and theoretical analysis results indicate that the appropriate heating water temperature is a key factor in ensuring the steady operation of the system.

Coastal Erosion Feature and Mechanism at Feiyantan in the Yellow River Delta

Feiyantan was the discharge area of Diaokou River distributary of the Yellow River during the period of 1964 to 1976. The coastal erosion feature and morphological evolution at the Feiyantan coast are studied in the light of the topography and section depth, and the corresponding dynamics of wave and current. Results indicate that the protruding topography left after the Diaokou River distributary was abandoned is the main cause of strong coastal erosion. Further research suggests that waves start up the sediment and the tidal current transports it, and the waves and tidal current are combined to be the dominant dynamic mechanism of coastal erosion, in which the tidal residual current takes and transports the sediment outward, thus causing the sediment to wane in the coast.

Forecast of Red Tide in the South China Sea by Using the Variation Trend of Hydrological and Meteorological Factors

Many studies point out that weather conditions involving temperature, wind power, monsoon transform, air pressure, sea condition, tide, ocean current, salinity, eutrophic environment and so on are key factors causing Red Tide. In the red tide high frequency areas of the South China Sea, the eutrophic environment of sea water has already existed, so the key elements such as meteorological and hydrological conditions play an importance role in the occurrence of red tide. The atmospheric circulation maintenance and variation decide whether meteorological phenomena, and hydrological key elements stabilize or change. Moreover, the red tide organisms＇ breeding from the initial stage to the blooming reproduction stage, until reaching the biological density of the red tide, generally takes 4 - 5 days. In the paper, the red tide examples are analyzed in the past 10 years, and the weather circulation situation and hydro-meteorological key elements of it are counted to find the previous circulation mode and bring out important factors inducing the blooming of red tide. The predicted result in 2003 according to this method was satisfactory.

Numerical modeling of tidal current of LNG terminal in Caofeidian,Bohai Sea

In order to reasonably simulate tidal currents around small structures such as piles in a large-scale model domain, a 2-D hydrodynamic integrated model for Bohai Sea is established with the finite element method. The grid can be discretionarily refined as a non-structure triangle or quadrilateral so that piers can be treated as one or several impermeable elements with an area of 20 to 30 km^2 in a model domain over 85 700 km^2. The computational results of tidal levels and horizontal velocities are in good agreement with the field data. Based on the computed results by the model, the layout of an open 105 DWT liquefied natural gas （LNG）terminal in Caofeidian, Bohal Sea is effectively and reasonably optimized. It can be concluded that the model is suitable and reasonable for direct simulation of tidal currents around small structures in projects.

Numerical Simulation of the Influence of Mean Sea Level Rise on Typhoon Storm Surge in the East China Sea

In this paper, ECOMSED （Estuarine Coastal Ocean Model with sediment transport） model is employed to simulate storm surge process caused by typhoon passing across East China Sea in nearly years. Capability of ECOMSED to simulate storm surge is validated by comparing model result with observed data. Sensitivity experiments are designed to study the influence of sea level rise on typhoon storm surge. Numerical experiment shows that influence of mean sea level rise on typhoon storm surge is non-uniform spatially and changes as typhoon process differs. Maybe fixed boundary method would weaken the influence of mean sea level rise on storm surge, and free boundary method is suggested for the succeeding study.

Study on acid-volatile sulfide(AVS), simultaneously extracted metals(SEM) and its toxic effect on the organism in intertidal sediments of Donghai Island, Zhanjiang

The content and distribution of acid-volatile sulfide （AVS） and simultaneously extracted metals （SEM） （Cr Cu, Zn, Cd and Pb） were studied in surface sediments collected from the tidal fiat of Donghai Island, Zhanjiang. The results indicated that for most stations, the AVS concentration was higher in summer with the average of 0.449 μmol/g than that in winter with the average of 1.816 μmol/g. The AVS contents were higher in southern and northern areas and lower in western and eastern areas. The average content of ∑SEM was between 0.56 μmol/g and 4.60 μmol/g in summer and between 0.65μmol/g and 2.21 μmol/g in winter. The concentration change of single metal was Zn〉Cr〉Pb〉Cu〉Cd for most stations. The content percentage in ∑ SEM was below 1% for Cd and over 70% for Zn. SEMZn was the key pattern to control the distribution of T. SEM due to its high concentration percentage. Based on the assessment methods of （∑SEM/AVS） with （∑ SEM-AVS） and thresholds for metal toxicity to benthic organism, most values of （∑ SEM-AVS） in intertidal flats of Donghai Island were between 0 and 5. The most toxicity region was in Tongminghai area located in the west tidal zone of Donghai Island, and the most toxicity metal was zinc in Tongminghai area in summer. The land-based pollution and the environmental parameters such as sunlight, atmosphere temperature and hydrodynamic characteristics were the main affecting factors on the content level and distribution characteristics of AVS and SEM in intertidal sediments of Donghai Island.

Study on the Meso-scale process of the Kuroshio front to the east of Taiwan

By using the reanalysis data, the impact of oceanic eddies and frontal wave on Kuroshio front to the east of Taiwan （KFETW） is studied. The result indicates that cold eddies （warm eddies） corresponding to the first baroclinic mode of Rossby wave can weaken （strengthen） the strength of the KFETW and narrow （widen） the width of this front. A frontal wave of the KFETW during January to February in 1991 is detected from the reanalysis data. And the trough （crest） of the frontal wave may weaken （strengthen） the strength of the KFETW and narrow （widen） the width and thickness of this front. It is found through the diagnostic analysis of the energy source of the frontal wave that the contribution of barotropic instability or that of baroclinic instability is more than that of Ketvin-Helmholtz （K-H） instability by 1 - 2 order of magnitude, and the contribution of the baroclinic instability is 5 times than that of the barotropic instability, thereby the frontal wave is basically driven by the baroclinic instability.

Internal tides in the northern South China Sea from 20-day in-situ mooring observations in 1998

20-day in-situ ADCP current and CTD data are used to investigate the characteristics and energy of the internal tides in the northern South China Sea （NSCS）. The results show that the O1, K1, M2 and S2 constituents of internal tides are energetic and diurnal constituents （O1 and K1） are dominating. In the observational period, the current vectors of these four constituents all rotate clockwise and the maximum semi-major axe of internal tidal ellipses is more than 14 cm/s. The variation of ocean temperature shows that the internal tides present obvious quasi-diurnal oscillation and the average amplitude reaches 50 m. Furthermore, these internal tides carry high energy and appear to be intermittent. The maximum values of KE （PE） during the observational period are up to 2 （3.5） k J/m^2 for diurnal internal tides, and up to 1 （1.5） k J/m^2 for semidiurnal internal tides.

洪峰小说《瀚海》的叙事悖论

无论从文本内容还是叙事技巧来看,洪峰的作品《瀚海》都充满了悖论性。第一,叙述视角的颠覆。传统的家族式小说一般采用第三人称的全知视角叙事,《瀚海》却采用第一人称来讲述故事。第二,叙事语言平静甚至冷漠,话语中这种情感的刻意退场却在不经意间弥漫着悲怆的情绪。第三,从叙事情节来看,整篇小说的情节都在叙述者的元叙述中真实又荒谬地游走。