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。
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。
Channels generally contain coarser sediment than do the adjacent flood plains.
河床沉积物一般比邻近的泛滥平原沉积物粗些。
Sediment Distribution and Before-dam Study in Middle and Lower Yangtze River Stability;
三峡封坝前长江中下游河床沉积物分布及河床稳定性模拟研究
A glacial or alluvial deposit of sand or gravel containing eroded particles of valuable minerals.
砂矿，砂积矿床一种砂砾或碎石的冰河沉积物或冲积沉积物，包括有价值的矿物成份
The river deposited silt at its mouth.
那条河在河口沉积淤泥。
To fill and raise the level of(the bed of a stream) by deposition of sediment.
使填积；使淤高通过沉淀淤积而填充或升高（河床）的高度
The gold, washed down the mountain by the river and left in the riverbed near Patu, kept on coming.
被河流从山区冲刷下来的金子，沉积在八堵附近的河床中，源源不绝。
Luohe formation mainly develops aeolian deposit, alluvial fan and braided deposit.
洛河组主要发育风成沉积、冲(洪)积扇、辫状河沉积;
Research of Cyclic Loading and Bioturbation s Influence on Seabed Sediment Permeability in Yellow River Estuary;
循环荷载与生物活动对黄河口海床沉积物渗透性影响研究
Sediment begins to choke the channel's opening.
沉积物开始淤塞河道口。
Sediment deposited by flowing water, as in a riverbed, flood plain, or delta.
冲积层河床、洪水淹没的平原或三角洲中的流水淤积所产生的沉积层
Major sedimentary facies in the Luohe Formation include alluvial fans facies, eolian facies,braided fluvial facies, and desert facies.
洛河组主要沉积了冲积扇相、风成沉积相、辫状河相和沙漠相;
River sediments gradually silted the harbor.
河流的沉积物逐渐使港口淤积
Sedimentation rate is an important parameter in sedimentation environment.
沉积速率是河口海岸沉积环境的重要参数。
Sedimentary evolution of Tangyuan Rift and sedimentary facies of Dalianhe Formation of Eogene
汤原断陷沉积演化及下第三系达连河组沉积相
Sedimentological Studies on Holocene Paleoflood Slack Water Deposits in the Drainage Basin of Yiluo River;
伊洛河全新世古洪水平流沉积物的沉积学研究
Study on Sedimentary System and Characteristics in the D3 Member at West Liaohe Beach
辽河滩海西部古近系东三段沉积相与沉积特征
Determination of depositional age in the Huanghe Delta in China
现代黄河三角洲沉积物沉积年代的确定
Those within existing stream channels are much less stable than overbank deposits.
现在河槽内沉积物的稳定性比河漫滩上沉积物差的多。
