1. An alluvial fan usually forms as water leaves a canyon, each new stream eventually closing up due to sediment - the result being a triangle of active and inactive channels.
通常一个扇形冲积的形成是当流水离开峡谷时所造成的现象，而每一条新形成的小河最后到了尽头而沉积、沉淀下来-最终结果有两个现象产生，一是成为继续活动的三角状的河道；另一个则是变成干涸的河床。
2. INTRODUCTION As a part of the research program of the Water Resources Division of the U. S. Geological Survey, a project was organized in September 1956 to study the mechanics of water and sediment movement in alluvial channels.
介绍 如美国的水资源区分的研究计画的一部份地质学的调查，一个计画在 1956 年九月被组织学习冲积的频道水和沉淀物运动的技巧。
3. Fifteen of the ships found at Yenikapi are thought to have sunk at exactly the same time - all of them forced into the deep alluvial sediment.
在耶尼卡皮找到的十五艘船被认为是同时沉没的–全部被压入深深的淤积沉淀物中。
4. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
4. Yet the soft alluvial sediment of Tokyo`s low-lying areas, it is now understood, is vulnerable to liquefaction, in which violent movement turns the soil to quicksand.
人们现在意识到了，东京的一些地势低的地方，松软的冲积土很容易受到液化作用的影响，强烈的运动会使土壤成为流沙。
5. For many years, people have looked for many methods to unite the calculation of the sedimentation and operation of reservoir, and they have to simple the computing mode of sediment for its complexities, which cannot really and fully reflect the sediment alluvial and its influence in the process of reservoir regulation.
多年来，人们为了将泥沙计算与水库调度更好地结合起来，寻找了各种方法，但由于泥沙计算的复杂性，不得不简化泥沙冲淤计算模式，导致计算结果不能真实或全面反映水库调度过程中泥沙淤积的变化过程及其对水库效益的影响。
6. Then it defines that thebackground value of soil erosion of the middle Yellow River is 650-1000 millon tons/year according to thetwo-way calculation results of aggradation volume of the river alluvial fan and sediment deposition volumeof the ancient river mouth, after comprehensive consideration and under the conditions of less...
然后根据由黄河冲积扇的堆积量和古黄河口泥沙淤积量两种途径的推估结果，经综合考虑后认为，在历史上人类活动较小情况下，黄河中游土壤侵蚀的自然背景值为每年6.5～10亿t。
7. Submerged vane system is a common technique for sediment management in alluvial rivers. By installing a number of submerged vanes on the channel bed, the distribution of the bed shear stress downstream of the vane is altered and the bedform is modified to a favorable profile.
河川潜板系统为国外常见之河川治理工法，其原理系以设置在渠道底床上的潜板改变下游流场的底床剪应力分布，调整底床泥砂的分布，进而改变渠道径向床形，达到河川治理的功效。
8. An equation to calculate the critical discharge for river bed variation in alluvial rivers was derived through the theory of non-equilibrium sediment transport.
利用非饱和输沙公式，探讨了以悬移质为主的冲积河流中冲淤临界流量与水沙以及边界条件的关系。
9. Nanxiong Basin, brought together a variety of reptiles, in the rivers and lakes along the Strip, to survive, surrounded by mountains processes, a large number of weathered debris deposited by rivers into the basin down the number of dead dinosaur remains or has been swallowed by floods and buried in the dinosaur dinosaur eggs in the soil and remain in the river and lake sediment layer of dinosaur footprints, etc., along with sediments were deeply buried in the ground, after a long process to become a variety of petrochemical fossil, such as dinosaur bones, dinosaur eggs and remains fossils; the late Cretaceous period, subject to the final phase of the impact of Yanshan movement, Nanxiong basin fault activity occurred weak and short-term uplift, Nanxiong Group strata subjected to a period of erosion; to the mid-Cenozoic Paleocene, again under the Nanxiong Basin Shen, their acceptance of the Early Tertiary Zhai Qun Luo Buddha-phase accumulation of lacustrine and alluvial; the early Eocene, uplift of the basin and caused another short-lived hiatus, the latter sinking are also trained in Danxia pluvial phase and rivers and lakes phase accumulation; the late Oligocene, by the Himalayan movement affected the whole basin and the northern part of Guangdong, as elsewhere, the general uplift, accompanied by lifting ramp fault activity, erosion of the basin into areas, southern margin of the basin due to uplift of the higher, first of all eroded overlying Danxia groups and Luo Buddha Walled group, so that Nanxiong base layer containing dinosaur fossils exposed to the surface, this entire process is a lengthy process.
南雄盆地聚集了各种爬行动物，在河湖沿岸地带繁衍生息，四周山地突起，大量风化碎屑被河流带到盆地中沉积下来，一些死亡的恐龙遗体或已被洪水吞噬的恐龙及埋藏在土层中的恐龙蛋和留在河湖泥沙层的恐龙脚印等等，随同沉积物被深深埋藏于地下，经长期的石化过程而变成各种化石，如恐龙骨骼、恐龙蛋及遗迹化石；白垩纪末，受最后一期燕山运动的影响，南雄盆地发生微弱的断裂活动和短期抬升，南雄群地层遭受一段时间的侵蚀；至新生代古新世中期，南雄盆地再次下沉，其上接受早第三纪罗佛寨群河湖相及洪积相堆积；始新世初，该盆地又有短暂抬升并造成沉积间断，后下沉又接受丹霞洪积相与河湖相堆积；渐新世末，受喜山运动影响，整个盆地与粤北其他地区一样，普遍抬升，并伴随抬斜断裂活动，该盆地成为侵蚀区，盆地南缘因抬升较高，首先侵蚀掉上覆丹霞群和罗佛寨群，使南雄群含恐龙化石层暴露于地表，这整个过程是一个漫长的过程。
10. Tectonic subsidence play dominant role in their geometric shapes, basin fillings, sequence evolution and sediment distribution in the Wushi Sag. Outline of the sequences are in shape of box-wedge or sheet-wedge and boundaries of sequences are varied from bilateral fault to monoclinal fault overlap, so that the sequences show distinct semigrabens which overlay in different ways. Seven sequences were formed in different stage of tectonic evolution. The sequence of SQ1 formed in initial rift stage and deposited alluvial sequence. Sequences SQ2-SQ4 developed in intense rift stage and sediment lacustrine sequence. Sequences SQ5-SQ7 formed in late period of rift before thermal subsidence and deposit mere and delta sediment. The place adjacent to the synsedimentary fault is the subsidence center and depocenter; meanwhile, controlling fracture migrates in horizontal made subsidence and sedimentary center of the sag changed.
构造沉降是控制层序几何形态，充填叠置方式、演化及沉积体系分布的最重要因素：凹陷由多个半地堑在不同层序发育时期以不同方式叠置联结而成；受断层控制，层序外部形态有箱状-楔形、楔形-席状披覆型，边界终止方式有双断终止型、单断终止超覆型；不同构造演化阶段层序内部充填的沉积体系各具特征，初始断陷阶段的SQ1沉积冲积层序，强烈断陷阶段的SQ2-SQ4充填湖相层序，晚期断陷阶段SQ5-SQ7内部充填浅湖和河流三角洲沉积；同沉积断层陡坡带沉降迅速、可容纳空间快速增长，是凹陷的沉积和沉降中心，断陷期主控断裂活动时间和空间的变化导致了凹陷沉积和沉降中心的迁移。
11. Zn adsorption and desorption characteristics on parent material of the alluvial deposit in the marine-face and sediment soils from Yangtze River Delta were investigated.
研究长江三角洲地区冲积物母质土壤的表层土、心层土对锌的吸附－解吸特性。
12. Gravel cemented geological body, called solid formation, has been found in the fluvial sediment of Quaternary system in the exploration and mining of alluvial gold deposit in recent years.
近年来在砂金矿床的勘探和开采中，发现在第四系河流冲积物中存在砂砾石胶结地质体，被称为胶结层。
13. Alluvial fan and fan delta developed in escarp region of the north of the sag, and river-delta farmed in ramp belt of the south. These sediment bodies are characterized by sandstone pinch out, which is the base of lithological hydrocarbon reservoir. 2.
中生界在洼陷北部陡坡带发育冲积扇、扇三角洲沉积体系，在南部缓坡带发育河流三角洲沉积体系，这些沉积体系在斜坡部位易形成砂体尖灭，是形成岩性油气藏的基础。
14. A ridge, as of sand or gravel, on a shore or streambed, that is formed by the action of tides or currents. Study on the Basic Laws of Flow and Sediment Transport in Alluvial Channels
沙洲，沙滩在海边，河床等处由沙子或小石子形成的隆起，由潮水或水流运动而形成冲积河流水流泥沙运动基本规律的研究
15. Study on the Basic Laws of Flow and Sediment Transport in Alluvial Channels
冲积河流水流泥沙运动基本规律的研究
16. Secondly, through the identification of facies marks and the analysis of sedimentary facies cross sections, alluvial fan, river, fan delta, delta, lake, sublacustrine fan and tempestite sediment environment have been developed in West Chaidam Basin.
其次，通过对相标志的识别和对反映沉积相纵向演化的基干剖面的分析，总结出研究区发育了冲积扇相、河流相、扇三角洲相、三角洲相、湖泊相、湖底扇相以及风暴沉积等沉积相类型。
17. Holocene strata in this area can be divided into alluvial deposits, alluvial material and diluvial genetic types of sediment.
本区全新统地层的沉积物按成因类型可分为冲积物、冲洪积物及洪积物。
18. Sand wave movement is an important form of sediment movement for alluvial rivers and has a great effect on stream resistance.
沙波运动是冲积河流泥沙运动的一种重要形式。沙波的消长对河道水流的阻力损失有很大的影响。
19. In the south of the Basin, the quaternary sediment is major in lacustrine facies, and the north is major in alluvial-diluvial.
昆明盆地南部第四纪沉积以湖积为主，北部以冲洪积为主。
20. Form the second to sixth member, the sediment of Xujiahe formation were basically continental deposit, which could be divided into alluvial fan, fan-delta, braided river delta and lakes facies.
须家河组二到六段基本上为陆相沉积，将其分为冲积扇、扇三角洲、辫状河三角洲和湖泊沉积相。