北黄海盆地中新生代地层特征

北黄海盆地为华半上一中新生代含油气地，盆地内存在新生界和中生界两套生烃层系，盆地基本是朝鲜安州盆地的外延，根据安州盆地的勘探经验，其中生界应为盆地内主要的烃源层和勘探目的层。     

Simulation of Suspended Sediment in the Yellow and East China Seas

Described is an initial attempt to simulate the suspended sediment dynamics relating to tidal and wave forcing during summertime in June 1980 and August 1981 for the Yellow and East China Seas continental shelf. The cohesive/non-cohesive sediment resuspension and movement generated by the interaction between current and wave are modeled by use of ECOMSED and WAM Cycle 4. Model results are compared with observations in US-China Marine Sedimentation Dynamics Program performed for 1980-81 at off the Changiiang estuary. The main features of simulations show that suspended sediment concentrations during the summer decreased markedly offshore as observed during the simulation periods. As for some discrepancies for the mouth of the estuary with high river discharges, i.e., the Changjiang River, the model did not properly reproduce the over-mixing situation in the summer; thus distinct vertical concentration variation in this local region is not agreeable with observation. However, general dispersal patterns of suspended sediment movement seem to be agreeably reproduced for the nearshore shallow region. Some of the procedures of simulation and results are presented and discussed.     

南黄海海底灾害地质因素的识别

利用“1：100万南通幅海洋区域地质调查”项目最近所获得的高分辨率浅地层剖面资料和一些历史资料，对南黄海海底的各类灾害地质因素进行了识别，取得一些新的认识。     

黄海海域盆地构造演化特征与中、古生界油气勘探前景探讨

黄海海域跨越扬子和华北两个板块构造单元 ,发育了北黄海和南黄海两个盆地构造单元。扬子和华北板块在这里沿五连—荣城—朝鲜的临津江断裂构造带于晚三叠至早中侏罗世碰撞缝合 ,形成了与秦岭 -大别超高压变质造山带成因意义完全相同的苏北张八岭 -朝鲜临津江超高压变质造山带。北黄海盆地就位于该变质造山带北侧的华北板块上 ,而南黄海盆地则位于该变质带南侧的扬子板块上。地震剖面和北朝鲜钻井资料证实北黄海盆地是晚中生代早期 ( J3 —K1)和新生代的叠合盆地 ,盆地基底为晚印支—早燕山期碰撞花岗岩和前寒武纪变质岩 ,局部可能残留有古…     

北黄海淤泥质海岸地貌发育过程及滩涂资源的开发利用模式

分析了冰后期以来北黄海淤泥质海岸变迁及海岸地貌的形成和滩涂的自然分带。讨论了北黄海淤泥质海岸滩涂开发现状和存在的问题 ,提出了滩涂资源开发利用的模式。     

渤海、黄海和东海的潮余流特征及其与近岸环流输送的关系

渤海、黄海和东海是西北太平洋陆缘海,有宽广的大陆架,太平洋潮波长驱直入,在大陆架海域形成显著的潮汐运动,由此而产生的潮余流输送在许多地区显示出重要作用。已有很多学者(方国洪等,1985;黄祖柯,1992)用数值方法计算过渤海的潮波运动,并给出了那里的潮余流分布。渤海的潮余流计算大体上有两种方法:(1)用二维或三维潮波运动方程组计算潮汐和潮流,然后再计算欧拉潮余流(方国洪、杨景飞,1985;于克俊、张法高,1987;黄祖柯,1992);(2)以弱非线性三维拉格朗日平均流理论为基础,计算拉格朗日潮余流,它不仅包括最基本的欧拉余流,而且还包括在浅水比较显著(与欧拉余流同量级)的斯托克斯漂移速度和高阶的拉格朗日漂移速度订正值(郑连远,1992;王辉等，1993)。上述两种方法理应给出大体相近的潮余流分布,但从现有的计算结果来看,这两种方法在渤海给出了几乎完全相反的潮余流输送。 汤毓祥(1990)曾计算过南黄海和东海大陆架区的M2分潮余流,并考虑了斯托克斯速度漂移对它的影响,所得结果和已知的南黄海环流概况颇有相似之处,但由于计算边界取在东海大陆架外缘,那里的潮余流可能失真较大。Chio (1980) 也曾给出过渤海、黄海和东海大陆架区的欧拉潮余流分布,但由于他的开边界也取在东海大陆架外缘,面且他给出的潮汐、潮流数值在靠近中国大陆一侧,误差较大,因此所得潮余流也不能令人满意。 最近,我们完成了包括渤海、黄海和东海全海区的潮汐、潮流二维数值计算工作(Zhao et al,1993),与实测资料相比,其结果达到的准确程度,无论在潮位还是在潮流方面都比较好。本文以这一数值计算结果为基础,给出了渤海、黄海和东海全海区的潮余流分布，同时还讨论了潮余流与近岸环流的关系。     

南黄海暖流水的温、盐度分布特征

在南黄海的东南部，有一支较强的高温、高盐水入侵，这一水体通常称为黄海暖流，也有人称之为南黄海高盐水。从环流和水团的结构来看，这一水体来源于济州岛东南的对马暖流，我们则称之为南黄海暖流水。本文试图从水团分析角度研究这一水体的温、盐度分布基本特征。 南黄海暖流水自对马暖流分出后，沿西北方向侵入南黄海，对黄海、渤海、东海的海洋环境有着重大的影响。也更因其高温特征，携带大量热量，对我国沿海地区和朝鲜半岛的气候也有一定的影响。所以，它很早就引起了国内外海洋学界的重视。我国曾于六十年代初期对黄海暖流作过研究，但研究海区仅局限于124°E以西海域。 本文引用的海洋观测资料包括中国和南朝鲜在1976-1979年间在南黄海及其东部邻近海区的(双月)调查资料(共计141个测站)。研究海区向东扩至128°E 。     

Characteristics of nitrogen forms in the southern Huanghai Sea surface sediments

The distributions of different forms of nitrogen in the surface sediments of the southern Huanghai Sea are different and affected by various factors. The contents of IEF-N, SOEF-N and TN gradually decrease eastward, and those of SAEF-N northward, while those of WAEF-N westward. Around the seaport of the old Huanghe (Yellow) River, the contents of both SOEF-N and TN are the highest. Among all the factors, the content of fine sediment is the predominant factor to affect the distributions of different forms of nitrogen. The contents of IEF-N, SOEF-N, and TN have visibly positive correlation with the content of f‘me sediments, and the correlative coefficient is 0.68, 0.58 and 0.71 respectively, showing that the contents of the three forms of nitrogen increase with those of f-me sediments. The content of WAEF-N is related to that of fine sediments to a certain extent, with a correlative coefficient of 0.35; while the content of SAEF-N is not related to that of fine sediments, showing that the content of SAEF-N is not controlled by fine grain-size fractions of sediments. In addition, the distributions of different forms of nitrogen are also interacted one another, and the contents of IEF-N and SOEF-N are obviously affected by TN, while those of inorganic nitrogen (WAEF-N, SAEF-N and IEF-N) are not affected by SOEF-N and TN obviously, although they are interacted each other.     

利用伴随法优化非线性潮汐模型的开边界条件Ⅱ.黄海、东海潮汐资料的同化试验

本研究基于最优控制理论,采用变分数据同化法,通过建立伴随模型,把观测资料同化到陆架海域潮汐数值模型中去,优化开边界条件,以便提高数值预报的精度.潮汐模型的控制方程为考虑平流项、非线性底摩擦和侧向涡动粘性项的非线性浅水方程组.在第Ⅰ部分建立伴随模型和进行“孪生”数值试验的基础上,给出利用验潮站的水位资料以及TOPEX/Poseidon卫星测高数据在黄海、东海进行变分数据同化试验的数值结果.试验表明利用上述资料对模型进行变分同化校正是可行的.