1) rheologic settling
河流沉降
2) fluvial deposit
河流沉积
1.
The environmental and fluvial deposits change indexes are related to the grain size,pollen analysis,with the AMS14C dating.
对长白山松江水文站阶地剖面的粒度参数和孢粉进行分析,结合AMS14C测年数据并与历史记录相校验,重建该区的气候环境演化特点与河流沉积物的相变过程。
3) fluvial deposits
河流沉积
1.
Studies of fluvial deposits concerning both climate and sea level changes as well as sequence stratigraphy may become increasingly impotant in this millennium.
河流沉积地层是古代陆相沉积和大陆边缘沉积的重要组成部分。
4) stream gradient
河流比降
6) river sediment
河流沉积物
1.
Mercury,arsenic and antimony are common items in soil and river sediment samples in environment monitoring.
Hg、As、Sb是土壤和河流沉积物的常规测定项目。
2.
The Korean r iver sediments have much lower TIC,C a and carbona te contents than Chinese river sediments,whereas the Changjiang sediment is cha racterized by hi gh Ti content and the Huanghe sediment by h igh Ca,Na and car bonate contents.
韩国河流沉积物中Ca及碳酸盐含量显著低于长江和黄河,而其他元素含量则在二者之间;黄河沉积物以总无机碳(TIC)、Na和Ca含量高为特征,而长江沉积物则显著富集Ti和P。
3.
In terms of the geochemical distribution and seasonal variation of N, P and trace heavymetals in the sediments, Brisbane, Australia, this paper discusses some research methods applica-ble to environmental geochemistry of river sediments, and the mechanism of river pollution, pro-viding the important scientific basis for river evaluation and environmental arrangement control.
本文通过对澳洲普洛斯本河现代沉积物的粒度、营养元素和微量重金属元素地球化学分布及其季节性差异的研究，探索了河流沉积物环境地球化学的研究方法，阐述了河流现代沉积物的污染现状和规律，为河流的评价和环境治理等提供了重要的科学依据。
补充资料：被污染的河流
被污染的河流
叱自 被污染的河流《自然生物之旅》
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条