抗差最小二乘法在卫星测高数据处理中的应用

在采用1992年10月至1998年10月的Topex/Poseidon卫星测高资料进行海平面变化研究，将抗差最小二乘法引入到数据处理时，计算了平均海面高，海平面变化量和海平面的升降速率及其主要周期项的振幅和相位，同时给出采用经黄最小二乘法计算的结果，将将两种结果进行了比较，最后通过对计算结果的分析，揭示了海平面变化的一些规律，实证了海平面变化与厄尔尼诺现象之间的联系。     

变化涡动沾性系数的Ekman动量近似模式风场结构

在边界层动力学中，涡动粘性系数是影响边界层风场结构的一个重要参数。本文利用边界层动力学中的Ekman动量近似理论，给出了涡动粘性系数随高度缓变条件下的Ekman动量近似边界层模式解，着重讨论了边界层的风场结构、水平散度、垂直涡度以及边界层顶部的垂直速度。结果分析表明：与常值涡动粘性系数情况相比，在边界层低层随高度增加的涡动粘性系数可以导致低层边界层风速随高度迅速增加，即风速垂直切变增加，同时风速矢与地转风之间的夹角减小。惯性项作用可以导致上述作用在气旋性区域减小、而在反气旋性区域增大。随高度增加的涡动粘性系数导致水平散度绝对值、垂直涡度绝对值以及边界层顶部的垂直速度绝对值在气旋性区域减小，而在反气性旋区域增大。涡动粘性系数与惯性之间的非线性相互作用是边界层动力学中重要过程。     

宁夏贺家口子地区晚新生代地层序列及其构造意义

对宁夏贺家口子新生代剖面进行了详细的岩石地层和磁性地层研究，并重点标定了晚第三纪和早第四纪地层的年代。结合相应的地层接触关系和沉积相研究，获得了该剖面构造事件序列信息。认为：青藏高原东北边缘的海原－同心弧形构造束地区强烈的新生代构造变形开始于10MaBP左右，并经历了多个变形阶段。贺家口子剖面所揭示出来的这种构造变形特征，在青藏高原东北边缘地区具有区域意义。     

白令海蓝细菌分布

1999年 7月～ 9月中国首次北极考察期间 ,研究了白令海 2个断面 8个站位海洋蓝细菌数量分布。蓝细菌数量变化在 0～ 7.93× 1 0 3 cell/ml之间 ,水平分布自南向北随纬度的增高而降低 ,在 6 0°N以北的 B1 - 1 2站没有检测到蓝细菌。垂直分布主要分布于 5 0 m以浅 ,最大值出现在B1 - 1站的 2 5 m水深。蓝细菌数量在 5 0 m以下迅速减少 ,到 1 5 0 m水深几乎没有。海水温度和NH+ 4 - N可能是影响蓝细菌数量分布的重要因素     

A new inverse method and application to ocean data

A new method is proposed to inverse normalization data of hidden variables in a dynamical system by embedding a time series in multidimensional spaces and applying a normalization analysis to the conditional probability density of points in the reconstructed phase spaces. The method is robust in the application to Lorenz system and 4-dimensional R?ssler system by testing quantitatively and qualitatively the correlation coefficient between inverse data and original data in time domain and in frequency domain, respectively. By applying the method to analyzing the South China Sea data, the normalization data of wind speed is extracted from the sea surface temperature time series.     

钻孔轴线空间曲线方程的建立及探讨

为了提高钻孔测斜数据的处理精度，提出钻孔的方位角及倾角在相邻测斜点之间是均匀变化的假设。以微积分学为工具，推导出钻孔轴线空间参数方程及其在平、部面上的投影方程；以实例对现行的数据处理方法所得结果和按曲线方程处理所得结果进行比较，认为该种处理方法比较接近实际情况，同时能为自动绘图提供方便。     

多目标规划在哈尔滨市地下水资源管理中的应用

建立了哈尔滨市地下水资源优化管理模型 ,将求解多目标最优化问题的约束法和线性加权法相结合 ,给出了一种综合解法 ,并将此法应用于所建立的水资源优化管理模型的求解。其结果可为该地区地下水资源的管理提供有参考价值的科学依据。     

Pull-apart Basins and the Total Lateral Displacement Along the Haiyuan Fault Zone in Cenozoic

ＩＮＴＲＯＤＵＣＴＩＯＮＩｔｉｓｄｅｂａｔｅｄａｂｏｕｔｔｈｅｔｏｔａｌｌａｔｅｒａｌｄｉｓｐｌａｃｅｍｅｎｔａｌｏｎｇｔｈｅｍａｉｎｂｏｕｎｄａｒｙｆａｕｌｔｓｏｆｉｎｔｒａｐｌａｔｅｂｌｏｃｋｓｉｎｅａｓｔｅｒｎＡｓｉａｃｏｎｔｉｎｅｎｔｉｎＣｅｎｏｚｏｉｃｅｒａ .Ｉｎｔｈｅ 1 970ｓｏｆ2 0ｔｈｃｅｎｔｕｒｙ ,ｓｏｍｅｓｃｉｅｎｔｉｓｔｓｈａｄｅｓ ｔｉｍａｔｅｄｌａｔｅｒａｌｄｉｓｐｌａｃｅｍｅｎｔｂａｓｅｄｏｎｇｅｏｍｏｒｐｈｉｃｄａｔａ .Ｔｈｅｙｐｒｏｐｏｓｅｄｔｈａｔｔｈｅｔｏｔａｌｄ…     

Partitioning of heavy metals on soil samples from column tests

In this study, column tests were used to determine the retention capability of three types of estuarine alluvia collected adjacent to landfill sites in South Wales. Selective sequential extraction (SSE) was used to study the retention mechanisms of heavy metals in the soil columns obtained from leaching experiments. Acid digestion was later used to check the validity of the SSE results. Breakthrough curves show good retention of heavy metal ions (Pb, Cu, and Zn) by all soils, where almost 99% of heavy metals were retained with the C_e/C_o values in the order of 10⁻³. The retention strength of these soils was observed to be constant up to five pore volumes (PV). This corresponds with the pH of the effluents and pore water of soil slices, which also show good buffering capacity against very acidic leachate up to 5PV. The heavy metal extraction profiles from SSE show very similar trends with the retention profiles from the leaching experiments, where heavy metals were retained mainly at the top part where the leachate entered the column. SSE indicates qualitatively that heavy metals precipitated with carbonates and amorphous materials (oxides/hydroxides) are higher than heavy metal retention via exchangeable mechanisms. The mass balance calculation gives range of deviation of 1–16% of the total soil extraction. The distribution of the heavy metals with various soil constituents are ranked in the following order: Carbonates>Amorphous oxides hydroxides>Organic matter>Exchangeable phases.     

Multi-Parameter Identification and Applications in Well-Logging

We deal with a multi-parameter identification problem arising in oil industry. In the general case, we give a local solvability condition to guarantee the well-posedness of the problem. We discuss in detail the identification of two parameters for which some numerical results are given.