大鹏湾夜光藻种群的季节变化和分布特征

于１９９０年３月－１９９２年６月对中国南海大鹏湾盐田附近海域的夜光藻种群动态及时空分布进行了综合调查，结果表明，夜光藻种群的出现期间一般为每年的１－６月，最早是１９９１年的１２月，娄量高峰期为３－５月，种群密度的波动极为显著；调查期间共发生８次赤潮，且都发生在３月初至５月初；大鹏湾夜光藻赤潮的发生特点是，赤潮的发生和消失突然，持续时间短，一般不超过３ｄ。     

柴达木盆地昆特依盐湖的地球化学演化与古气候变化

１９９０年用铀系年代学及古地磁对昆特依盐湖沉积物进行年代测定，探讨该湖区地球化学演化与古气候变化关系。结果表明，该区最老的盐层形成于早更新世晚期（大于７３０ｋａ），大量的盐类沉积则始于３００ｋａ左右；盐湖沉积物中元素含量变化主要受古盐度、矿物、类质同象和吸附控制；沉积物水溶Ｆ／Ｃｌ比值与古盐度成反比关系；该湖２０００ｋａ以来的古环境演变：盐层形成于干冷、偏酸性的氧化环境，泥岩层形成于湿暖、偏碱性的     

Observation of clouds and solar radiation over the Pacific Ocean as relation to global climate

ＯｂｓｅｒｖａｔｉｏｎｏｆｃｌｏｕｄｓａｎｄｓｏｌａｒｒａｄｉａｔｉｏｎｏｖｅｒｔｈｅＰａｃｉｆｉｃＯｃｅａｎａｓｒｅｌａｔｉｏｎｔｏｇｌｏｂａｌｃｌｉｍａｔｅ￥ＦａｒｎＰａｒｕｎｇｏ；ＣｌａｒｅｎｃｅＮａｇａｍｏｔｏ；ＣｅｃｉｌｉａＭ．Ｉ．Ｒ．Ｇｉ...     

一个南海热带气旋发展的环流特征分析

本文用ECMWF2.5×2.5网格点资料通过一个例子,对有利于南海热带气旋发展的环流场作了详细的分析,发现几点事实:(1)扰动在风的垂直切变较大的环境中仍可发展。(2)扰动位于中、低空西南急流左侧,高空南支东风急流右侧时,有利发展。(3)中,低空西南急流形成了扰动环流的强风潮,强风潮从扰动南侧入角,并包围扰动的东半圆。(4)扰动中、低层的入流和高层的外流呈现严重的不对称性。(5)当扰动发展到一定强度时,对南海热带季风环流圈的加强起到正反馈作用。     

中国沿海星虫动物门名录

取1980～1989年间在我国沿海进行星虫动物区系调查的标本和有关资料做了整理、鉴定,共39种,分隶于2纲,4目,6科,12属。其中1种在我国为首次记录。     

西沙群岛附近海域羽纹硅藻分类研究 Ⅰ

继“西沙、中沙群岛附近海域浮游硅藻类分类的研究”之后,作者又对西沙群岛所属岛、礁附近海域的羽纹硅藻进行了初步整理,共鉴定出羽纹硅藻11属27种及其变种(其中8种是我国首次记录)。本文对首次记录的种类进行了比较详细的说明和绘图。某些在我国其他海域已有报道的种类,如光辉针杆藻、串珠梯楔形藻、海生斑条藻、琴状舟形藻、流苏胸隔藻、双标胸隔藻、钝端双眉藻、细纹斜盘藻等,以往的描述较简单,并且与西沙群岛标本的形态也不完全雷同,为了便于应用和比较,本文根据西沙群岛的标本,又进行了较详细的描述或补充说明。对有图而无说明,或仅有名录的种类的国内资料,在地理分布内注明。为了保持西沙群岛所属海城硅藻分类研究的连续性,本文仍采用 Hendey 提出的分类系统排列。 为便于读者査找,每一种名下列出其同物异名。 标本多用小型浮游生物网采得,有些则取自珊瑚表面。插图均用描图仪描绘。     

钛型吸附剂的表面特性

用自装的BET容量法装置测定了几种粒状钛型吸附剂的比表面及其孔径分布。测定是在常温减压下进行的。结果表明:钛型吸附剂在加铀海水中的吸铀量与样品的比表面及孔径分布有一定的内在联系。这种表面性质的研究对吸附剂的筛选有重要的指导意义。     

Representation of double-peaked sea wave spectra in Jiaozhou Bay

The spectrum shape characteristics of double-peaked sea wave spectia actually measured in the Jiaozhou Bay were analysed and one representation of double-peaked sea wave spectra with six-parameters which can be determined from a given sea wave spectrum is proposed in this paper. After verifying by fitting process with the data sets of double-peaked sea wave spectra measured in the Jiaozhou Bay, it can be seen from the results that the representation mentioned above may be used to express the double-peaked sea wave spectra generated in the Jiaozhou Bay under various sea states, and that the absolute values of maximum deviation index (D.I.) do not exceed 30. 0.     

Study of zooplankton ecology in Zhejiang coastal upwelling system-Zooplankton biomass and abundance of major groups

The studied area is a shallow water area that belongs to the East China Sea continent shelf. The distribution of zooplankton biomass is higher inshore than offshore. The maximum abundance is in the inshore edge of the centre of upwelling, which is the superposed area of the salinity front and temperature front, due to the fact that the mixture of three different waters has brought about a concentration of nutrients. The herbivorous Euphausia, Copepoda and Tunicata are the major groups of the abundant area. Tunicata possess the possibility to compete against other kinds of herbivorous zooplankton. This means that there is negative correlation between the distribution of Tunicata and that of Copepoda and Euphausia. The positions of maximum areas of zooplankton biomass, phytoplankton individual and the concentration of phosphates and chlorophyll-a overlap one another. In the centre of upwelling, zooplankton can not adapt itself to the environment of lower temperature and less oxygen even with rich nutrient     

On the recovery of surface wave by pressure transfer function

Except the commonly selected pressure transfer function derived from the linear wave theory, a previous study on the pressure transfer function for recovering surface wave from underwater pressure transducer suggested that the pressure transfer function is a function of frequency parameter only. With careful analysis, this study showed that the pressure transfer function should include a transducer submergence parameter as that given by the linear theory. It was found that the previously suggested empirical formula should be restricted to measurements with the pressure transducer close to the surface; otherwise overestimation of wave height would result. Field measurements were carried out with an acoustic wave gauge and a synchronized pressure transducer located at various depths with submergence parameter close to 1 (near the sea floor). It was shown that the previous one-parameter empirical formula might overestimate the significant wave height by more than 30%. This study found that with deep-water wave bursts excluded, the transfer function based on the linear wave theory provided a fairly good estimation on the significant wave heights, with an average deviation of 3.6%.