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Chinese Science Bulletin 2001年第3期46卷 241-245页

作者： zhao ping & chen longxundepartment of geophysics, peking university, beijing 100871, china Chinese Academy of Meteorological Sciences, beijing 100081, china Department of geophysics Peking University Beijing China Chinese Academy of Meteorological Sciences Beijing China

Using 1961-1995 monthly atmospheric apparent heat source/sink over the Qinghai-Xizang Plateau (QXP)and reanalysis data of NCEP/NCAR, and 1961 ?1994 monthly SST of UK/GISST2, the statistical study is undertaken on the QXP heat source/sink in relation to both atmospheric circulation in Asia and El Nino/La Nina events. It is discovered that there exists noticeable interaction in aquasi-4-year period among the of the QXP, low-levelmeridional winds east of the QXP, low-level zonal winds in the equatorial Pacific, SST in the equatorial eastern Pacific, and the circulation at mid and high latitudes north of the QXP. They have difference in phase. The cold source intensity of the QXP in winter favours a low-level meridional wind anomaly to prevail in the mainland of china and its coast east of the QXP and to last until the subsequent autumn. The wind anomaly can induce a low-level zonal wind anomaly of the tropic Pacific that finally affects an El Nino/La Nina event in the autumn and subsequent winter.

关键词： Qinghai-Xizang Plateau thermal effect interannual variation atmosphere-land-ocean interaction.

Interannual Variability of Atmospheric Heat Source/ Sink over the Qinghai-Xizang (Tibetan) Plateau and its Relation to Circulation

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Advances in Atmospheric Sciences 2001年第1期18卷 106-116页

作者：赵平陈隆勋 zhao ping chen Longxun Department of geophysics Peking University Beijing 100871 Chinese Academy of Meteorological Sciences Beijing100081 Department of geophysics Peking University Chinese Academy of Meteorological Sciences

Based on the 1961-1995 atmospheric apparent heat source/sink and the 1961-1990 snow-cover days and depth over the Qinghai-Xizang Plateau (QXP) and the 1961-1995 reanalysis data of NCEP/NCAR and the 1975-1994 OLR data, this paper discusses the interannual variability of the heat regime and its relation to atmospheric circulation It is shown that the interannual variability is pronounced, with maximal variability in spring and autumn, and the variability is heterogeneous horizontally. In the years with the weak (or strong) winter cold source, the deep trough over East Asia is to the east (or west) of its normal, which corresponds to strong (or weak) winter monsoon in East Asia. In the years with the strong (or weak) sum mer heat source, there exists an anomalous cyclone (or anticyclone) in the middle and lower troposphere over the QXP and ifs neighborhood and anomalous southwest (or northeast) winds over the Yangtze River valley of china, corresponding to strong (or weak) summer monsoon in East Asia. The summer heat source of the QXP is related to the intensity and position of the South Asia high. The QXP snow cover condition of April has a close relation to the heating intensity of summer. There is a remarkable negative correlation between the summer heat source of the QXP and the convection over the southeastern QXP, the Bay of Bengal, the Indo-china Peninsula, the southeastern Asia, the southwest part of china and the lower reaches of the Yangtze River and in the area from the Yellow Sea of china to the Sea of Japan.

关键词： Qinghai-Xizang Plateau apparent heat source/sink snow cover OLR

Geology and mineralization of the Bayan Obo supergiant carbonatite-type REE-Nb-Fe deposit in Inner Mongolia, china: A review

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china Geology 2023年第4期6卷 716-750,I0004,I0005页

作者： Yi-ke Li Chang-hui Ke Hong-quan She Deng-hong Wang cheng Xu An-jian Wang Rui-ping Li Zi-dong Peng Ze-ying Zhu Kui-feng Yang Wei chen Jian-wei Zi Wen-lei Song Yong-gang zhao Li Zhang Hong Yu Bin Guo Sheng-quan Zhou Xing-yu Yuan Jing-yao Liu MNR Key Laboratory of Metallogeny and Mineral Assessment Institute of Mineral ResourcesChinese Academy of Geological SciencesBeijing 100037China Key Laboratory of Orogenic Belts and Crustal Evolution School of Earth and Space SciencesPeking UniversityBeijing 100871China Key Laboratory of Mineral Resources Institute of Geology and GeophysicsChinese Academy of SciencesBeijing 100029China State Key Laboratory of Geological Processes and Mineral Resources China University of GeosciencesWuhan 430074China John de Laeter Centre Curtin UniversityBentleyWA 6102Australia State Key Laboratory of Continental Dynamics Department of GeologyNorthwest UniversityXi’an 710069China Bayan Obo Iron Mine Baotou Steel(Group)Co.Ltd.Inner MongoliaBaotou 014080China

The Bayan Obo supergiant carbonatite-related rare-earth-element-niobium-iron(REE-Nb-Fe) endogenetic deposit(thereafter as the Bayan Obo deposit), located at 150 km north of Baotou City in the Inner Mongolia Autonomous Region, is the largest rare-earth element(REE) resource in the world. Tectonically,this deposit is situated on the northern margin of the North china Craton and adjacent to the Xing’anMongolian orogenic belt to the south. The main strata within the mining area include the Neoarchean Se’ertengshan Group and the Mesoproterozoic Bayan Obo Group. Generally, the rare earth, niobium, and iron mineralization within the deposit are intrinsically related to the dolomite carbonatites and the extensive alteration of the country rocks caused by the carbonatite magma intrusion. The alteration of country rocks can be categorized into three types: contact metasomatism(anti-skarn and skarn alteration), fenitization,and hornfelsic alternation. As indicated by previous studies and summarized in this review, the multielement mineralization at Bayan Obo is closely associated with the metasomatic replacement of siliceous country rocks by carbonatite magmatic-hydrothermal fluids. The metasomatic process is comparable to the conventional skarnification that formed due to the intrusion of intermediate-acid magmatic rocks into limestone strata. However, the migration pattern of Si O2, Ca O, and Mg O in this novel metasomatic process is opposite to the skarn alteration. Accordingly, this review delineates, for the first time, an antiskarn metallogenic model for the Bayan Obo deposit, revealing the enigmatic relationship between the carbonatite magmatic-hydrothermal processes and the related iron and rare earth ***, this study also contributes to a better understanding of the REE-Nd-Fe metallogenetic processes and the related fluorite mineralization at the Bayan Obo deposit.

关键词： Rare earth elements Niobium ore Iron ore Fluorite ore Igneous carbonatite Fenitization Metasomatism Anti-skarn Bayan Obo

冷湖赛什腾山光学天文台址勘选结果及暗夜保护

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青海科技 2022年第3期29卷 46-59页

作者：邓李才杨帆何飞陈孝钿张春光孙唯佳李睿玥段晓苇王坤任安炳刘念罗志全罗杨平刘其利盘军平一鼎赵勇尧中华田才让许存平樊万珍张仙马季芳曹子皇李彬中国科学院国家天文台北京100101 西华师范大学南充637002 中国科学院地质与地球物理研究所北京100029 中国科学院紫金山天文台南京210023 青海省海西蒙古族藏族自治州冷湖科技创新产业园区管委会(筹) 茫崖816399 青海省海西蒙古族藏族自治州气象局德令哈817099 北京大学北京100871 北京邮电大学北京100876

青海省地处中国版图的中部偏西地区,大部分位于青藏高原,地势高耸。海西州的柴达木盆地海拔在3000米左右,四周由海拔4000米~6000米的山岭环绕。整个区域的气候特征是干燥少雨,地貌以戈壁荒漠为主。冷湖镇位于青、甘、新三省区交界处,高... 详细信息

青海省地处中国版图的中部偏西地区,大部分位于青藏高原,地势高耸。海西州的柴达木盆地海拔在3000米左右,四周由海拔4000米~6000米的山岭环绕。整个区域的气候特征是干燥少雨,地貌以戈壁荒漠为主。冷湖镇位于青、甘、新三省区交界处,高山沙漠的气候特征尤为明显,长期历史记录显示,冷湖地区平均年降水量在20毫米以下,日照充沛,地貌奇特,夜空晴朗。各种环境因素显示这里具备良好的天文观测基础条件。同时,该区域有大面积的风蚀雅丹,且比邻新疆的塔克拉玛干沙漠,这些成为了天文台址选址的不利因素。2017年10月,青海省海西州政府与国家天文台、紫金山天文台、西华师范大学联合启动了冷湖光学天文台址勘选。在青海省、州政府的支持下,我们取得了冷湖赛什腾山区光学天文观测台址勘选的重大成果。文章基于历史气象记录、卫星遥感数据和光学天文观测台址参数监测数据的统计分析并结合数值模拟,呈现冷湖赛什腾光学天文台址的质量。优质的光学天文台址是天文学领域获取原创性科学成果的战略资源,文章也针对台址资源的规划和保护,从选址科学任务的角度进行讨论。

关键词：冷湖赛什腾山光学天文台址勘选暗夜保护