首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   19篇
  免费   0篇
地球物理   1篇
地质学   8篇
海洋学   10篇
  2022年   3篇
  2020年   1篇
  2019年   2篇
  2017年   2篇
  2016年   2篇
  2014年   1篇
  2013年   2篇
  2011年   1篇
  2010年   1篇
  2009年   1篇
  2008年   1篇
  2007年   1篇
  2001年   1篇
排序方式: 共有19条查询结果,搜索用时 15 毫秒
1.
2.
3.
Diatom algae, aquatic palynomorphs, and the grain-size of surface sediments from bays of the White Sea were investigated in a program dedicated to the study of marginal filters (MF) in the Severnaya Dvina, Onega, and Kem rivers. Three microalgal assemblages are established in surface sediments, which replace each other successively with distance from river mouths and are characterized by a gradual decrease in a share of freshwater species of diatoms and Chlorophyceae algae, significantly varying concentrations of marine diatoms and dinocysts due to changes in water salinity, grain-size composition of sediments, quantitative distribution of suspended particulate matter (SPM), and water productivity at different marginal filter stages.  相似文献   
4.
Doklady Earth Sciences - The systematics of REE, Sc, Cr, Zr, and Th in silty-pelitic and pelitic surface bottom sediments sampled during cruises 71, 75, 77, and 80 of the R/V Akademik Mstislav...  相似文献   
5.
6.
7.
Demina  L. L.  Novichkova  Ye. A.  Kozina  N. V. 《Oceanology》2019,59(3):425-431
Oceanology - Multielement chemical analysis and oxygen isotopic data has been employed for the first time to study the distribution of certain geochemical indicators in a sediment core recovered on...  相似文献   
8.
The Chaudian sediments composing the Pekla and Tuzla sections are characterized by a variable lithology and transgressive structure. Their basal part is mainly composed of coarse terrigenous varieties with diverse structures indicating different depositional settings in the accumulation zone (shelf and upper part of the submarine slope). These sediments are characterized by strong lithification probably in subaerial environments under the influence of atmospheric precipitation. The Chaudian basin was a large brackish-water depression populated by malacofauna of the Caspian type.  相似文献   
9.
Oceanology - The lithological and mineralogical characteristics of sea surface sediments, composition of microfossils, contribution of organic matter, and element composition have been studied in a...  相似文献   
10.
Oceanology - Research regarding the conditions and processes of paleo- and modern sedimentation with an assessment of particles and pollution fluxes, with determination of the rates of...  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号