国家自然科学基金(41130536)

作品数:13被引量:91H指数:5
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相关作者:刘丛强赵志琦丁虎涂成龙刘涛泽更多>>
相关机构:中国科学院中国科学院大学贵州师范学院贵州大学更多>>
相关期刊:《矿物学报》《Acta Geochimica》《生态学杂志》《Science Bulletin》更多>>
相关主题:剥蚀速率宇宙成因核素花岗岩风化壳喀斯特地区风化过程更多>>
相关领域:天文地球环境科学与工程农业科学更多>>
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Sulfate sources constrained by sulfur and oxygen isotopic compositions in the upper reaches of the Xijiang River,China被引量:2
《Acta Geochimica》2017年第4期611-618,共8页Jing Liu Siliang Li Jun Zhong Xuetao Zhu Qingjun Guo Yunchao Lang Xiaokun Han 
financially supported by the Ministry of Science and Technology of China through Grant Nos.2016YFA0601000 and 2013CB956700;National Natural Science Foundation of China(Grant Nos.41422303,41130536 and 41625006)
While it is critical to accurately understand the sources and transformation of sulfate based on time-series analysis, there are limited studies on temporal variation of sulfate in rivers and on rock weathering by sul...
关键词:Sulfur isotope Oxygen isotope Riverine sulfate Carbonate weathering Xijiang River 
The influence of urbanization on karst rivers based on nutrient concentration and nitrate dual isotopes: an example from southwestern China被引量:2
《Acta Geochimica》2017年第3期446-451,共6页Zhong-Jun Wang Fu-Jun Yue Jie Zeng Si-Liang Li 
financially supported by National Natural Science Foundation of China(Grant Nos.41571130072 and41130536);the Ministry of Science and Technology of China through Grant Nos.2016YFA0601000 and 2013CB956700
China is experiencing rapid urbanization that has changed the water quality of rivers, especially nutrient loads. In this study, a typical urban river located in a karst area, Chengguan River, was chosen to explore th...
关键词:URBANIZATION Urban river Nitrate isotopes Southwestern China Chengguan River 
不同气候带花岗岩风化过程中稀土元素的地球化学行为被引量:22
《矿物学报》2016年第1期125-137,共13页杨骏雄 刘丛强 赵志琦 丁虎 刘涛泽 涂成龙 范百龄 黄露 
国家自然科学基金重大国际合作项目(批准号:41210004);国家自然科学基金重点项目(批准号:41130536);国家自然科学基金面上项目(批准号:41173030)
本研究选择中国东部主要的花岗岩分布区中位于中温带、暖温带和热带的8个花岗岩风化壳作为研究对象,对比研究了不同气候环境下花岗岩风化过程中稀土元素(REE)的分布规律及其演化特征。结果表明,各气候带的花岗岩风化壳的REE分布具有一...
关键词:花岗岩风化壳 稀土元素 分异 气候 
西南三江(金沙江、澜沧江和怒江)流域化学风化过程被引量:19
《生态学杂志》2015年第8期2297-2308,共12页陶正华 赵志琦 张东 李晓东 王宝利 吴起鑫 张伟 刘丛强 
国家重大科学研究计划项目(2013CB956401);国家自然科学基金重大国际合作项目(41210004);国家自然科学基金重点项目(41130536);国家自然科学基金面上项目(41173030;41372376);国家自然科学基金地区基金项目(41463004)资助
选择中国西南三江流域作为研究对象,结合水化学及溶解性无机碳碳同位素,借助正演模型,分析河水溶解性组分来源及混入比例,说明硫酸参与区域碳酸盐矿物风化过程及CO2净释放量。结果表明:(1)西南三江流域河水受复杂岩性控制,金沙江河水以N...
关键词:金沙江 澜沧江 怒江 水化学 硫酸 化学风化 
The mechanism behind the DOM effects on methylmercury photodegradation被引量:1
《Science Bulletin》2015年第13期1220-1221,共2页Khan M.G.Mostofa Cong-Qiang Liu Marco Minella Davide Vione 
supported by the National Natural Science Foundation of China(41210004,41130536);the Key Construction Program of the National‘‘985’’Project;Tianjin University,China,and University of Torino-EU Accelerating Grants,Project TO_Call2_2012_0047
Methyl mercury(CH3Hg+),a neurotoxin,is the most toxic form of mercury that occurs in natural waters[1–4].It is a cause of concern because of increasing worldwide pollution by mercury in both water and atmosphere[3,5]...
关键词:DOM 甲基汞 光降解 机制 自然水域 溶解有机物 神经毒素 去除途径 
秦皇岛花岗岩风化壳的剥蚀速率:宇宙成因核素^(26)Al与^(10)Be的研究被引量:4
《科学通报》2015年第4期424-424,共1页崔丽峰 刘丛强 徐胜 赵志琦 涂成龙 刘涛泽 丁虎 
国家自然科学基金(41130536,41210004);中国科学院地球化学研究所环境地球化学国家重点实验室(9014)资助
风化和侵蚀过程是研究气候变化和地貌演化的重要课题.剥蚀包括风化和侵蚀.宇宙成因核素可以直接定量研究105 a范围内地表的平均剥蚀速率.自20世纪80年代以来,加速器质谱分析技术的发展推动了宇宙成因核素在地表过程研究中的应用.国内相...
关键词:宇宙成因核素 AL BE 风化壳 地貌演化 加速器质谱分析 侵蚀过程 气候变化 河流沉积物 定量研究 
The O and H isotope characteristics of water from major rivers in China被引量:5
《Chinese Journal Of Geochemistry》2015年第1期28-37,共10页Si-Liang Li Fu-Jun Yue Cong-Qiang Liu Hu Ding Zhi-Qi Zhao Xiaodong Li 
supported by National Natural Science Foundation of China (Grant Nos. 41210004 and 41130536);Chinese Academy of Sciences through grants KZCX2-EW-102
Isotopic compositions of the water sources and evapotranspiration in large rivers of China are not well explored. In this investigation, d18 O and dD values of water from major large rivers of China are integrated to ...
关键词:中国东北地区 同位素特征 河流 水源 长江上游 蒸发损失 同位素组成 时空变化 
The long-term denudation rate of granitic regolith in Qinhuangdao, North China determined from the in situ depth profile of the cosmogenic nuclides ^(26)Al and ^(10)Be被引量:2
《Chinese Science Bulletin》2014年第34期4823-4828,共6页Lifeng Cui Congqiang Liu Sheng Xu Zhiqi Zhao Chenglong Tu Taoze Liu Hu Ding 
supported by the National Natural Science Foundationof China(41130536,41210004);the State Key Laboratory of Environmental Geochemistry,Institute of Geochemistry,Chinese Academy of Sciences(9014)
This study quantifies the surface denudation rate of granitic regolith via the application of the in situ cosmogenic26 Al and10Be depth profile in China. The concentration ranges of26 Al and10Be in the quartz along th...
关键词:宇宙成因核素 剥蚀速率 中国北方 花岗岩 风化层 秦皇岛 深度剖析 浓度范围 
In-situ cosmogenic ^(36)Cl denudation rates of carbonates in Guizhou karst area被引量:8
《Chinese Science Bulletin》2013年第20期2473-2479,共7页XU Sheng LIU CongQiang FREEMAN Stewart LANG YunChao SCHNABEL Christoph TU ChengLong WILCKEN Klaus ZHAO ZhiQi 
supported by the National Natural Science Foundation of China (41130536 and 41021062);the State Key Laboratory of Environmental Geochemistry,Institute of Geochemistry, Chinese Academy of Sciences (9014)
This study quantifies surface denudation of carbonate rocks by the first application of in-situ cosmogenic36Cl in China. Concentrations of natural Cl and in-situ cosmogenic36Cl in bare carbonates from Guizhou karst ar...
关键词:喀斯特地区 剥蚀速率 宇宙成因 碳酸盐岩 原位 贵州 加速器质谱仪 稀释浓度 
用AGMP-1M阴离子交换树脂直接分离Zn的实验方法改进被引量:1
《地球与环境》2013年第5期589-595,共7页冯家毅 刘丛强 赵志琦 汪齐连 刘文景 灌谨 樊宇红 王静 
国家自然基金重点项目(41130536)
针对原有用于铜、铁、锌同位素分析的提纯步骤方法,我们专门对锌的提纯进行了改进,即在1mol/LHCl的介质条件下,采用200~400目AGMP-1M树脂提纯锌,大大简化了锌的提纯方法。在改进的实验条件下,地质样品的回收率接近100%;标准溶液在离子...
关键词:Zn同位素 AGMP-1阴离子交换树脂 MC-ICP-MS 
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