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莱州湾南岸滨海湿地的景观格局变化及累积环境效应

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生态学杂志 2009年第12期28卷 2437-2443页

作者：张绪良张朝晖徐宗军谷东起郑伟青岛大学师范学院地理系山东青岛266071 国家海洋局第一海洋研究所山东青岛266061

在湿地景观类型分类基础上,利用遥感技术及GIS技术提取了1987和2.02.莱州湾南岸滨海湿地Landsat5、Landsat7卫星假彩色合成影像的空间属性数据,利用斑块动态度、斑块密度指数、景观多样性指数、斑块破碎化指数研究了湿地景观格局变化... 详细信息

在湿地景观类型分类基础上,利用遥感技术及GIS技术提取了1987和2.02.莱州湾南岸滨海湿地Landsat5、Landsat7卫星假彩色合成影像的空间属性数据,利用斑块动态度、斑块密度指数、景观多样性指数、斑块破碎化指数研究了湿地景观格局变化及其累积环境效应。结果表明,15年间莱州湾南岸滨海湿地景观总面积基本不变,但自然湿地总面积减少了49.1%,减少的自然湿地主要转化为养殖池、盐田等人工湿地。湿地景观格局的变化还表现为景观多样性指数下降、斑块破碎化指数升高。湿地景观格局变化引起自然湿地的总净初级生产量下降,环境净化功能、抗御自然灾害功能降低,陆地中生植物、旱生植物外来及有害植物侵入湿地,湿地生态系统服务价值下降等累积环境效应。

关键词：莱州湾南岸滨海湿地景观格局指数累积环境效应

Depositional environment in the southern Ulleung Basin,East Sea(Sea of Japan),during the last 48000 years

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Acta Oceanologica Sinica 2010年第5期29卷 52-64页

作者： LIU Yanguang SHA Longbin SHI Xuefa SUK Bong-Chool LI Chaoxin WANG Kunshan LI Xiaoyan Key Laboratory of Marine Sedimentology and Environmental Geology First Institute of Oceanography State Oceanic Administration Qingdao 266061 China department of Geography East China Normal University Shanghai 200062 China South Sea Research Institute Korea Ocean Research and Development Institute （KORDI） Geoje 656-830 Korea

The present study is based on the sedimentological data from a piston core KCES1 off the southern Ulleung Basin margin,the East Sea（Sea of Japan）.The data include sediment color（L^＊）,X-ray radiographs,grain size distribution and AMS^14C *** kinds of sediments（homogeneous,laminated,crudely laminated and hybrid sediments） are identified according to the characters of the sedimentary structures that were considered to reflect changes in bottom-water *** of dark laminated/crudely laminated sediments and light homogeneous sediments represent millennial-scale variations that are possibly associated with the high-resolution changes in the East Asian monsoon（EAM）.The relative contributions of the East China Sea Coastal Water（ECSCW） and the Tsushima Warm Current（TWC） were likely the main reasons for the repetition of the anoxic and oxic depositional conditions in the East Sea since the last 48 ka *** the interstadial,the strengthen summer EAM was attributed to the expansion of the ECSCW because of more humid climate in central Asia,and then more strongly low-salinity,nutrient-enriched water was introduced into the East *** ventilation of deep water was restricted and therefore the dark laminated layer deposited under the anoxic bottom water *** the lowest stand of sea level in the last glacial maximum（LGM）,the isolated East Sea dominated by stratified water masses and the euxinic depositional environment *** homogenous sediments have been predominating since 17.5 ka BP indicating that the TWC has intruded into the East Sea gradually with the stepwise rise of sea level and the bottom water oxygen level was *** the late Younger Dryas（YD） period,the last dark laminated layer deposited because the ventilation of bottom water was restricted by stronger summer *** TWC strengthened and the bottom water became oxic again from 10.5 ka BP.

关键词： East Sea depositional environment East Asian monsoon Tsushima Warm Current

A dipole mode at thermocline layer in the tropical Indian Ocean

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Acta Oceanologica Sinica 2003年第1期22卷 15-24页

作者：田纪伟刘慧卿钱维宏 Physical oceanography Laboratory Ocean University of China (Ocean University of Qingdao)Qingdao 266003China department of Atmospheric Sciences Peking UniversityBeijing 100871China

Temperature data at different layers of the past 45 years were studied and we found adiploe mode in the thermocline layer (DMT): anomalously cold sea temperature off the coast of Sumatra and warm sea temperature in the western Indian Ocean. First, we analyzed the temperature and the temperature anomaly (TA) along the equatorial Indian Ocean in different layers. This shows that stronger cold and warm TA signals appeared at subsurface than at the surface in the tropical Indian O-cean. This result shows that there may be a strong dipole mode pattern in the subsurface tropical Indian Ocean. Secondly we used Empirical Orthogonal Functions (EOF) to analyze the TA at thermocline layer. The first EOF pattern was a dipole mode pattern. Finally we analyzed the correlations between DMT and surface tropical dipole mode (SDM), DMT and Nino 3.SSTA, etc. and these correlations are strong.

关键词： Temperature anomaly dipole mode in thermocline layer tropical Indian Ocean empirical orthogonal function

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鳀鱼仔鱼饥饿试验及不可逆点的确定

水产学报 2004年第1期28卷 79-83页

作者：万瑞景李显森庄志猛蒙子宁农业部海洋渔业资源可持续利用重点开放实验室农业部海洋渔业资源可持续利用重点开放实验室山东青岛 2.6071 中国水产科学研究院黄海水产研究所山东青岛 2.6071 山东青岛 2.6071 厦门大学海洋系福建厦门 3.1005

2.00年6月2.日8-10时在3.°00′N、12.°00′E周围海域利用大型浮游生物网采集了大量鳀鱼的天然受精卵,11时受精卵开始孵化,12.收集初孵仔鱼进行饥饿试验。试验结果表明:在培养水温为2.0}0～2..8℃条件下,鳀鱼仔鱼的混合营养期仅1d多时... 详细信息

2.00年6月2.日8-10时在3.°00′N、12.°00′E周围海域利用大型浮游生物网采集了大量鳀鱼的天然受精卵,11时受精卵开始孵化,12.收集初孵仔鱼进行饥饿试验。试验结果表明:在培养水温为2.0}0～2..8℃条件下,鳀鱼仔鱼的混合营养期仅1d多时间;仔鱼的不可逆点发生在孵化后第6天。鳀鱼后期仔鱼发育阶段都具有胸角这一形态特征,其胸角不能作为鉴别健康仔鱼和饥饿仔鱼的依据。这一发现补充和完善了鱼类学上关于仔鱼胸角的理论。

关键词：鳀仔鱼饥饿不可逆点胸角

On　energy　transport　and　group　velocity　of　water　waves

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Acta Oceanologica Sinica 1994年第4期13卷 495-500页

作者： Sun Fu Ding Pingxing and Yu Zhouwen ( Laboratory of Physical oceanography, Ocean university of {2.,{3., China Institute of Estuarine and Coastal Research, East Normal university, Shanghai 2.0062. China department of Science and Technolog

The major difference between the two concepts, 'transport' and 'propagation', of wave energy is expounded in both mathematical expression and basic idea, and the mechanism of energy transport and the meaning of group velocity for water waves are discussed in this paper. A number of important conclusions are given from the present discussion, which are favourable to clarifying some confusion or obscurity as such concepts as energy transport, propagation and group velocity are used in the study of water wave theory and its applications.

关键词： Group velocity energy energy flux

南印度洋中国中山站至澳大利亚费里曼特尔断面海洋锋位置及其年际变化

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海洋学报 2003年第6期25卷 9-19页

作者：高郭平韩树宗董兆乾杨士瑛中国海洋大学海洋学系中国极地研究所上海200129 国家海洋局第二海洋研究所浙江杭州310012

根据中国第 1 8次南极科学考察队 2.0 0 2. 1～ 3.在南印度洋从中山站外普里兹湾到澳大利亚费里曼特尔断面的走航XBT/XCTD资料和CTD资料及 1 998年1月、1 999年 2.和 2.0 0 0年 3.等其他航次的调查资料 ,分析了该航线上海洋锋的位... 详细信息

根据中国第 1 8次南极科学考察队 2.0 0 2. 1～ 3.在南印度洋从中山站外普里兹湾到澳大利亚费里曼特尔断面的走航XBT/XCTD资料和CTD资料及 1 998年1月、1 999年 2.和 2.0 0 0年 3.等其他航次的调查资料 ,分析了该航线上海洋锋的位置及其年际变化 :( 1 )在 75°～ 78°E南极陆坡锋的位置在 6 4 5°～ 6 5 5°S ;在 84°～1 0 0°E范围极地锋在 53.5°～ 54 3.S附近 ;在 96°～ 1 0 3.E亚南极锋在 4 6°S～ 4 7 0°S附近 ;在 1 1 0°E附近亚热带锋在 3. 2. 3. 0°S之间 ;( 2.)在南极极锋区存在显著等温线、等盐线的上凸和下凹 ,不同年份发生位置有变化 ;( 3.在亚南极锋北侧 ,等温线、等盐线呈垂直排列的状态 ,温度、盐度垂直方向上分布均匀一致 ;( 4 )与 1 979,1 991和 1 992.该区域同期的资料相比 ,近 4a观测到的极地锋显著偏南 1个纬距以上 .

关键词：南极陆坡锋极地锋亚南极锋亚热带锋南印度洋

A NUMERICAL STUDY FOR MICROWAVE BACKSCATTERING CROSS-SECTION OF SEA SURFACE

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Journal of Hydrodynamics 2005年第5期17卷 546-551页

作者： LIU Zhi-liang HU Dun-xin TIAN Ji-wei QIN Zheng-cai Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China Physical oceanography Laboratory Ocean University of China Qingdao 266003 China department of Electronic Engineering Fudan University Shanghai 200433 China

Based on Tian et al. ＇s theoretical model of microwave scattering, by using the wind wave spectrum suggested by Fung et al. , numerical results of polarized back-scattering were calculated. The quantitative relationships between the calculated backscattering cross section and the environmental parameters, such as wind speeds, azimuthal angles and incidence angles, were studied. Compared with the traditional two-scale scattering model, the results are much more coincident with the observations under the condition of moderate incidence angles, which is very useful to make up for the two-scale model. To make the new calculation model to be used conveniently in the practice, its simplified form was proposed.

关键词： microwave scattering model backscattering cross section of sea surface wind-wave spectrum white caps

Dispersion relation of internal waves in thewestern equatorial Pacific Ocean

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Acta Oceanologica Sinica 2000年第4期19卷 37-45页

作者： Fang Xinhua Jiang Mingshun Du Tao Physical Oceangraphy Laboratory Institute of Physical OceanographyOcean University of QingdaoQingdao 266003China Institute of Atmospheric physics Chinese Academy of SciencesBeijing 100029China

Based mainly on TOGA-COARE data, that is, the CTD data from R/V Xiangyanghong No. 5 (Pu et al., 1993., the temperature and current data from the Woods Hole mooring and other deep current data, the layered numerical profiles of buoyancy frequency and mean current components are figured out. A numerical method calculating internal wave dispersion relation without background shear current, used by Fliegel and Hunkins (1975), is improved to be fit for the internal wave equation with mean currents and their second derivatives. The dispersion relations and wave functions of the long crested internal wave progressing in any direction can be calculated conveniently by using the improved method. A comparison between the calculated dispersion relation in the paper and the dispersion relation in GM spectral model of ocean internal waves (Garret and Munk, 1972. is performed. It shows that the mean currents are important to the dispersion relation of internal waves in the western equatorial Pacific Ocean and that the currents make the wave progressing co-directional with (against) the currents stretched (shrink). The influence of the mean currents on dispersion relation is much stronger than that of their second derivatives, but that on wave function is less than that of their second derivatives. The influences on wave functions result in the change of vertical wavenumber, that is, making the wave function stretch or shrink. There exists obvious turning depth but no significant critical layer absorption is found.

关键词： Internal wave dispersion relation equatorial ocean the western Pacific Ocean

Exact Solutions for a Higher-Order Nonlinear Schrdinger Equation in Atmospheric Dynamics

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Communications in Theoretical physics 2006年第3期 573-576页

作者： HUANG Fei TANG Xiao-Yan LOU Sen-Yue department of physics,Shanghai Jiao Tong {2.,Shanghai 2.003.,ChinaHUANG Fei department of Marine Meteorology,Ocean {2. of China,qingdao 2.6003,ChinaLOU Sen-Yue department of physics,Ningbo {2.,Ningbo 3.52.1,China department of physics，Shanghai Jiao Tong {2.，Shanghai 2.003.，China department of Marine Meteorology，Ocean university of China，{2. {3.，China department of physics，Shanghai Jiao Tong {2.，Shanghai 2.003.，China department of physics，Shanghai Jiao Tong {2.，Shanghai 2.003.，China department of physics，Ningbo {2.，Ningbo 3.52.1，China

By giving prior assumptions on the form of the solutions,we succeed to find several exact solutions for ahigher-order nonlinear Schr(o|¨)dinger equation derived from one important model in the study of atmospheric and oceandynamical *** analytical solutions include bright and dark solitary waves,and periodical solutions,which canbe used to explain atmospheric phenomena.

关键词： higher-order nonlinear Schr(o|¨)dinger equation atmospheric dynamics bright solitary wave dark solitary wave