泉州市城市化进程中的热岛效应遥感研究   总被引：1，自引：0，他引：1  

潘卫华  张春桂 《国土资源遥感》2006,17(4):50-54

利用Landsat TM/ETM+ 热红外图像研究了泉州市1989~2000年间城市热岛的分布与变化情况。研究表明，泉州市热岛面积随城市扩展而增大，并与城市扩展方向和发展趋势相同。对不同时相的热力场进行正规化处理以克服不同季节间的温度差异，便于进行比较，并采用景观分析方法对泉州市热力场的形态、特征进行了分析，发现其主要由热团、热环和碎片体组成，最后，提出了治理和改善泉州市热岛效应的有效措施。  相似文献   

Organochlorine pesticides in marine environment of Quanzhou Bay, Southeast China     

Qiuke SU Shihua QI Chengxi WU Julia E. Burnet Huafeng LIU Min FANG Jun LI Gan ZHANG 《中国地球化学学报》2006,25(B08):190-190

As one of the most important buildup of persistent organic pollutants （POPs）, organochlorine pesticides （OCPs） have received more and more attention. Samples including sediments, water and marine products were collected. In the lab, nineteen types of organochlorine pesticides were tested using GC-ECD following US-EPA 8080A method. In the top sediments, the concentration of HCHs was 0.1-3.08 ng/g and the concentration of DDTs was 3.53-75.83 ng/g. In the bottom sediments, the concentration of HCHs was 0.1-3.59 ng/g and the concentration of DDTs was 1.56-81.68 ng/g. The concentration ranges of HCHs and DDTs in sea water were 1.31-9.96 ng/L and 0.78-6.51 ng/L, respectively. And the concentration ranges of HCHs and DDTs in land surface water were 7.04-14.08 ng/L and 3.82-9.66 ng/L, respectively. The residual levels of HCHs and DDTs in marine product samples ranges from 0.1 to 0.6 ng/g and from 0.57 to 85.02 ng/g, respectively. In this thesis, discussions of DDTs and HCHs in sediment, water and marine product samples were made. The following are the main results and conclusions： A general decreasing trend was found from the inner to outer sectors of the Bay for both sediment and water samples. The distribution of OCPs depends greatly on the different properties pertaining to them. The topography, redox, hydrodynamic condition as well as other factors also play an important role in controlling the distribution and fate of OCPs.  相似文献   

泉州湾污损生物生态研究   总被引：5，自引：4，他引：1  

林和山  王建军  郑成兴  林俊辉  黄雅琴  何雪宝  李荣冠  郑凤武  江锦祥 《海洋学报》2014,36(4):100-109

2001年12月—2002年11月在泉州湾海域进行了污损生物周年挂板试验,共记录污损生物112种,以近岸暖水种为主,其中长鳃麦秆虫(Caprella equilibra)和网纹藤壶(Amphibalanus reticulates)是该海域最具代表性的优势种,其次为裂片石莼(Ulva fasciata)、中胚花筒螅(Tubularia mesembryanthemum)、薮枝螅(Obeliasp.)、纵条矶海葵(Haliplanella luciae)、外伪角涡虫(Pseudoceros exoplatus)、柄涡虫(Stylochus sp.)、僧帽囊牡蛎(Saccostrea cucullata)、翡翠贻贝(Perna viridis)、巴西地钩虾(Podocerus brasiliensis)、强壮板钩虾(Stenothoe valida)、镰形叶钩虾(Jassa falcata)和角突麦秆虫(Caprella scaura)等种类。该海区污损生物全年均可附着,种类丰富且附着强度大,附着盛期在4—11月,月板、季板、半年板和周年板的平均附着生物量分别为2 624g/m2、5 309g/m2、6 210g/m2和8 247g/m2,夏季可达11 295g/m2。随着试板浸海时间的延长,试板上污损生物群落的多样性明显增加,且结构也趋于稳定。  相似文献   

泉州局一号井水位异常的调查与研究     

廖丽霞  秦双龙  叶威 《内陆地震》2013,27(1):67-73

对观测技术系统、降雨、区域应力场等干扰因素进行了排除,并调查观测井的周边环境及分析基础资料。结果表明,2011年底以来泉州局一号井水位突降为非前兆异常,造成的原因主要是周边基建干扰引起的。由于花岗岩地区特殊的岩石特征,即发育较多裂隙、微裂隙和解理,周边基建会破坏水井的承压性及封闭性,进而破坏地下水的动态平衡,建议在花岗岩地区选择水井时最好选择观测含水层与上一层非观测含水层间距较大的水井。  相似文献   

泉州城市表层土壤中金属元素来源分析   总被引：4，自引：0，他引：4  

于瑞莲  胡恭任  林燕萍  冯家毅  邱敏娴 《矿物学报》2012,32(1):156-165

采集了泉州市47个城市表层土壤样,用ICP-MS检测技术,研究了土壤中26种重金属元素的富集特征、环境风险及污染来源。富集因子结果显示,与泉州市土壤背景值相比,Li、Ni、Co、Cu、Zn、Sr、Cd、Sn、Sb、Pb、Ta在城市表层土壤中的富集因子大于1,而Ti、V、Cr、Fe、Mn、Ga、Ge、As、Rb、Y、Nb、Cs、Bi、Th、U的富集因子小于1。从功能区上看,工业区污染最为严重,其次依次为农业区、商住区、城市绿地、交通区。环境风险指数表明,泉州市城市表层土壤中重金属污染具有极高的环境风险,达到极高风险级别的样品占48.9%。采用多元统计分析方法对土壤样品中各金属元素来源进行解析,结果表明,研究区城市表层土壤中金属元素总体可分成5类：①交通运输类（Sn、Pb、Sb、Bi）;②工业因子类（Cr、Co、Ni、Fe、Mn）;③自然因子类别（Ga、Ge、Ti、V、Cu）;④混合因子类别（Zn、Cd、Sr、Th、U、Y、As、Cs、Nb、Ta、Rb）;⑤生活垃圾因子类别（Li）。  相似文献   

泉州湾初级生产力的时空变化特点     

陈兴群  林荣澄  唐森铭 《海洋学报》2007,29(1):161-169

近海港湾浮游植物的春季藻华,初级生产力的分布和变化及其与环境物理化学之间的相互关系已有许多研究,如:潮汐对浮游植物藻华形成的驱动作用[1],垂直稳定或混合对浮游植物生物量粒级分布和初级生产力的影响[2~5],控制港湾浮游植物藻华的过程[6~10],营养盐类对浮游植物生长的限制[11,12]以及浮游植物季节性藻华[13]等.  相似文献   

Spatial variations in depth-distribution of trace metals in coastal wetland sediments from Quanzhou Bay, Fujian Province, China   总被引：2，自引：1，他引：2  

Wang Aijun  Jian Chen 《中国地理科学(英文版)》2009,19(1):62-68

Four short cores were obtained from the coastal wetland of the Quanzhou Bay, Fujian Province, China, and sediment samples were analyzed with a Mastersizer 2000 for grain size analysis and an Inductively Coupled Plasma Atomic Emission Spectrometer (ICP-AES) for trace metal analysis. The results of grain size analysis show that the wetland sediments are mainly composed of silt and clay, and the distribution of median grain size is affected by human activities obviously. The results of trace metal analysis show that the wetland sediments mainly originate from terrestrial materials in the Luoyangjiang River estuary and from contaminants discharged from adjacent rivers in Shuitou area. The heavy metal contamination in Luoyangjiang estuary decreased from 1984 to 2004 due to industry transformation, but has increased since 2004 because of the discharge of contaminants to the Jinjiang River and much living sewerage to the bay, and a large number of trace metals are trapped within Spartina alterniflora marsh.  相似文献