The geochemical proxies in mudstone implied that tide and transgression reacted with the fresh water and mixed each other, concretely speaking, Element B implied the characteristics of long-term cycle of basic level, and Sr/Ba is a good proxy of super long-term cycle in the period of Shanxi in Eastern Ordos Basin. The sedimentary tectonics and fossil distributi...
泥岩样品的地球化学特征表明，由于受潮汐和海侵作用的影响，整个山西期盆地东部的沉积水体以混合水为主，其中硼元素反映了基准面长期旋回的变化特征，而Sr/Ba则是超长期的变化指标；从沉积构造和海相化石分布特征可知，在山西早期中等强度的潮汐作用直接影响了研究区的东南部，对三角洲沉积进行改造，到了山西中晚期三角洲进积作用增强，潮汐作用范围逐渐退至研究区东南缘；此外，地层的分布特点和沉积相也说明在整个山西期盆地东部地层和晋西地层联片沉积且属于同一三角洲沉积体系，东部的水下隆起还不足以阻隔水体形成湖盆，所以鄂尔多斯盆地东部山西组是发育在浅海陆棚基础上的三角洲沉积。
This article mainly focused on the following aspects: (1) analyzed the MODIS spectral characteristics of four typical kinds of seawater: clear water, turbid water, red tide water and mixed water;
本文的工作主要集中在：（1）分析典型赤潮海水、泥沙浑浊海水、赤潮泥沙混合海水，以及清洁海水的MODIS影像光谱特征；
During the high tide of the revolution, all kinds of people flocked to join; so inevitably the waters were muddied and the bad became mixed with the good.
在革命高潮时期，各种人都来参加，未免泥沙俱下，鱼龙混杂。
The results showed that, the main tidal characteristics in the study area were mixed semidiurnal tide;
结果显示，龙口海域潮汐类型主要为不规则半日潮；
Based on a vast amount data, the author thinks that the tidal type of Qinhuangdao port is the mixed tide which is dominated by the day tide.
文章作者根据大量资料分析认为，秦皇岛港潮汐类型是日潮为主的混合潮。
in pearl river delta region, water environmental contamination featured big amount and mixed types and centralization of pollutant discharge with latent combined pollutants, striding boundary pollution, severe municipal pollution, the trend of regional pollution being extended from cities to rural area, infall of salty tide in recent years. as a result, the unwatered complexion was hastened due to bad water quality. the factors of water environmental contamination were analyzed as the natural factors including especial hydrographic net distributed pattern, water body runoff characteristic, water resource distributive regional difference, infall of ocean tide, and so forth; the artificial factors as inconsequence of economic development mode and distribution of industry and cities planning, lagging environmental infrastructure, indifferency of environmental consciousness, dissonance of economic development and environmental protection.
珠江三角洲地区水环境污染特点表现为：污染物排放量大、类型杂且集中，潜在复合污染出现，跨界污染突出，城市污染依然严重，并呈现出从城市向农村蔓延的区域性污染趋势，加上近几年咸潮入侵加剧，使区域水质型缺水的局面更趋紧张。造成这种污染局面的因素：一方面受控于区域内特殊的河网分布格局，水体径流特征、水资源分配的地区性差异以及海潮入侵等自然因素；另一方面也反映了区域经济发展模式，工业布局和城市规划不尽合理，环境基础设施滞后，环境意识淡薄，经济发展与环境保护不协调等人为因素所致。