Tritium/Helium-3 Dating of River Infiltration:An Example from the Oderbruch Area, Berlin, Germany

来源 :水资源与保护(英文) | 被引量 : 0次 | 上传用户:yanyuhan66
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
The concentrations of tritium, helium isotopes and neon have been measured in groundwater samples from a shallow and deep groundwater system recharged by bank infiltration from the Oder River in northeastern Berlin, Germany. The apparent 3H/3He ages show
其他文献
With the excess use of nitrogen, a number of global and regional factors need to be addressed. Nitrate contamination of agricultural water leads to a number of
The construction of small dams and hillside reservoirs is a common practice for dealing with erratic and unevenly distributed rainfalls in arid and semi arid ar
The agriculture in low rainfall areas of eastern Rajasthan, India is characterized by high risks from drought, degraded natural resources and pervasive poverty,
A two-dimensional hydrodynamic model, Floodarea was applied to simulate the flood inundation area and flood depth in Manas basin, China. Two scenes of Landsat T
《黄河大合唱》从它诞生至今已整整60年。它鲜明的时代性,浓郁的民族性以及作曲家富于个性的艺术风格,是使这部作品久唱不衰的重要原因之一。本文从四个方面论述了作品的音乐风格
本文详尽分析了有关乐曲 ,以论述高潮写作与主题的关系。并尝试把复杂多样的高潮写作归纳成有规律可循的 6种类型。
The most precise equation in order to estimate the evapotranspiration (ET) of crops is the Penman-Monteith (PM). However, the PM equation needs specific data th
Distribution characteristics of fish assemblages and environmental variation in emerged plant, floating-leaved plant and blank habitats were studied. Emergent p
【正】 北欧的瑞典语、丹麦语和挪威语这三种语言是非常近似的,使人觉得所不同的好象只是方言的差别。这三个国家的语言虽然各自是独立的通用语,可是三国的居民在不同程度上
中国舞蹈体系的建构原则与基础问题,一直是舞蹈界同仁所思考着的文化难题.笔者始终认为:"只有民族的才是世界的".当然这里所说的"民族的",并不是仅指我们从老祖宗那里发掘出