随陋就简 迎战日食

7月22日的日全食在全国范围内掀起了一轮追日热潮,泉州地区虽无缘一睹太阳被月亮完全遮住的壮观场景,但食分达0．838的日偏食,已为当地近几十年来所罕见。罕见的天象也是进行天文科普宣传的有利契机,在泉州《东南早报》等有关媒体的大力支持下,泉州历年来最大的天文观测活动大坪山顶成功举办,前来观测日食的群众有近千人之多。     

宇宙奥秘期待中国目光

中国大陆地区国际天文年组委会真诚的邀您加入到天文相关的各项活动中来!您有任何想法都可以与我们联系。您举办了哪些天文活动,或是正在计划、筹备哪些活动,请与我们联系,组委会将尽可能地为您提供技术支持．并协助联系媒体的宣传报道。     

诗词歌赋中的星座世界（二）——斗转星移

一天星斗转魁杓——北斗七星的周日视运动 人们对北斗七星最关注的事情之一,就是北斗七星每天绕北极的转动。如果我们在夜晚长时间地观察,就会发现随着时间的推移,北斗七星逐渐会转过一个角度,这是地球自转形成的日月星辰东升西落现象在北极附近的体现。在我们中纬度地区的人看来,因为北斗离北极很近,     

IMPACTS OF TWO TROPICAL CYCLONES EXPERIENCING EXTRATROPICAL TRANSITION DURING NORTHWARD PROGRESSIONON THE RAINFALL OF LIAODONG PENINSULA

Both of Typhoon Winnie (9711) and Matsa (0509) underwent an extratropical transition (ET)process when they moved northward after landfall and affected Liaodong Peninsula. However, Matsaproduced half as much rainfall as Winnie, although it struck Liaodong Peninsula directly while Winniepassed through the Bohai Sea. The relations between the ET processes and the precipitation over LiaodongPeninsula are examined. The result shows that the precipitation difference between Winnie and Matsa wasclosely related to the interactions between the westerly systems and typhoons during their ET processes.Winnie was captured by the upper westerly trough and then coupled with it when moving to themid-latitudes, and the positive anomaly of moist potential vorticity (MPV) was transported downward fromthe upper troposphere over the remnant circulation of the tropical cyclone (TC). It was favorable to theinteraction between tropical warm and wet air and westerly cold air, causing convective cloud clusters toform and develop. The rain belt composed of several meso-β cloud clusters over the Liaodong Peninsula,resulting in heavy rainfall. On the other hand, Matsa did not couple with any upper trough during its ETprocess and the positive anomaly of MPV in the upper troposphere and its downward transfer were weak.Only one meso-β cloud cluster occurred in Matsa’s rain belt during its ET process that tended to lessenrainfall over Liaodong Peninsula.     

中东地区形成世界级碳酸盐岩油气田的基本要素

中东地区发育了许多世界级大型油气田，其储层主要为碳酸盐岩。这些碳酸盐岩的地质层位主要是：上二叠统胡夫组；上侏罗统阿拉伯组；白垩系马什里夫组、萨尔瓦克组、舒艾拜组；第三系阿斯马里石灰岩、基尔库克群。该区大油气田的形成有着众多优越条件的有利配置，基本要素可归纳为六个方面：生储盖配置十分合理；有台地内继承性发育的生油盆地；含油气层的年代较新；石油生成的时间较晚，且石油进入构造圈闭的时间也较晚；背斜构造规模巨大；有十分理想的区域性盖层。     

羌塘盆地双湖地区曲色组冷泉碳酸盐岩及其地质意义

羌塘盆地南部双湖地区曲色组地层发育大量碳酸盐岩结核,这些结核多呈丘状、椭球状、透镜状、似层状、脉状、树枝状产出。其物质组分主要为泥微晶碳酸盐矿物,少量粘土矿物、石英及草莓状、半自形黄铁矿等。草莓状黄铁矿平均粒径在5.0μm左右,内部可见葵花状构造。发育凝块状、气孔状和渗漏孔等特殊构造。产双壳类、菊石类、蠕虫状或树枝状生物及超微生物化石,生物密度极高。碳同位素明显负偏,硫同位素则明显正偏,其特征与现代海底天然气水合物的渗漏、释放所形成的冷泉碳酸盐岩机理一致,因而推测为古代海底天然气渗漏喷发形成。大量海底天然气泉口的存在,可能表明羌塘盆地双湖地区早侏罗世大洋缺氧事件与海底天然气水合物喷发存在极大关联。     

The application of hyperspectral remote sensing to coast environment investigation

Requirements for monitoring the coastal zone environment are first summarized. Then the application of hyperspectral remote sensing to coast environment investigation is introduced, such as the classification of coast beaches and bottom matter, target recognition, mine detection, oil spill identification and ocean color remote sensing. Finally, what is needed to follow on in application of hyperspectral remote sensing to coast environment is recommended.     

北极上空的区域性温室效应

由美国国家航空航天局Ouikscat卫星拍摄的一组照片显示,近些年来,覆盖在北冰洋表面的冰盖正发生着剧烈的变化。早在2004年到2005年间,北极地区原先即使在夏季也不会融合的冰盖就已萎缩了14％。而今,北极地区消失的冰盖总面积已经超过72万平方千米——相当于巴基斯坦或是土耳其的国土面积。     

淮安矿山地质环境保护与治理促盐矿合理开发利用

江苏省地质调查研究院承担的淮安地区多个岩盐矿、芒硝矿矿山地质环境保护与治理恢复方案通过评审,为淮安做好矿山地质环境保护与治理恢复工作提供了相关技术支持。矿山地质环境保护与治理恢复是矿产资源开发利用的重要组成部分。通过对淮安市多个盐矿矿山地质灾害、含水层、地形地貌景观以及土地资源等方面的评估,提出了相应的矿山地质环境保护与治理恢复措施。