理学 >>> 地质学 >>> 数学地质学 地质力学 动力地质学 矿物学 矿床学与矿相学 岩石学 岩土力学 沉积学 古地理学 古生物学 地层学与地史学 前寒武纪地质学 第四纪地质学 构造地质学 大地构造学 勘查地质学 水文地质学 遥感地质学 区域地质学 火山学 石油与天然气地质学 煤田地质学 实验地质学 地球化学 地质学其他学科
搜索结果: 1-15 共查到地质学 River相关记录32条 . 查询时间(0.132 秒)
Sandbars are of vital ecological and environmental significance, which however, have been intensively influenced by human activities. Morphodynamic processes of sandbars along the Yichang-Chenglingji ...
Recently, desertification and degradation of water cycle by deforestation in the Amazon, South America, have become a serious problem. In this study, it was attempted to estimate the discharge of th...
Sediment dynamics were investigated in Lake Maggiore, Italy, with field observations from October to mid-December 2012. Three moorings were deployed in Pallanza Bay, a small embayment on the western s...
Human actions are changing the Amazon’s landscape by clearing tropical forest and replacing it mainly by pasturelands. The focus of this work is to assess the changes in the Itacaiúnas River watersh...
In May 2013, the Two Medicine Dinosaur Center (TMDC) began excavation on a dinosaur bonebed in the St. Mary River Formation on Carey Butte, Montana. Since excavation started, four additional boneb...
We measured nitric oxide (NO) microprofiles in relation to oxygen (O2) and all major dissolved N-species (ammonium, nitrate, nitrite, and nitrous oxide [N2O]) in a permeable, freshwater sediment (Rive...
Chemical and isotopic (D, 18O) compositions of 40 shallow groundwater, 14 observation well water and 2 river water samples in the Sho river fan, Toyama, northern part of central Japan, were analyzed ...
Recently, how to quantitatively estimate the growth rate of continental crust is an enigmatic issue. With the development of ICP-MS technology, the U–Pb dating and Lu–Hf isotopic compositions of detr...
Modern mixed alluvial-bedrock channels in mountainous areas provide natural laboratories for understanding the time scales at which coarse-grained material has been entrained and transported from thei...
The Daliao River System (DRS) estuary in the Liaodong Bay has a highly industrial, urbanized, and agricultural catchment. The objective of this study was to investigate the multi-elemental geochemist...
The distribution of heavy metals in recent sediments deposited along the TieRiver, a highly polluted river in southeast region of Brazil was studied. Around the metropolitan area of São Paulo...
The Hudson River is a strongly heterotrophic system in which the invasive zebra mussel (Dreissena polymorpha) comprises >90% of total metazoan biomass. Using a Bayesian mixing model, with isotope rati...
Over recent geological time saline groundwater has accumulated across a vast area stretching from Shepparton to the Murray mouth. This is a natural process that results from low rainfall regimes and v...
The niche breadths and niche overlaps of Selaginella pulvinata and of other several main species of the herbaceous layer were measured at the barren hillsides in the arid valley of the upper reach of ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...