overbank中文什么意思

大坡度转弯

漫滩

倾斜过度

• overbank contraction:    河滩压缩
• overbank deposit:    泛滥平原沉积
• overbank deposits:    漫滩沉积物

例句与用法

1. 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。
2. The region and the earth surface across this road are mainly water above ground and run - off and the ground water is mostly made up of groundwater and perched water ; the river bed is more obvious ; the overbank is covered by medium sand and gravel ect
   路线所经地带地面主要为地表水和径流，地下水主要以潜水和上层滞水为主，河床较明显，河滩覆盖中砂、砾石等。地势低洼地带地表常年积水，影响路基稳定。
3. With the research object of overbank soft clay near the yiluo river , by means of pack drain to accelerate the consolidation of the soft ground and analysis of fourteen selected representative observation section , in the same time with the help of such testing apparatus as settlement plates , deflection inclinometer , piezometer , telescoping tube , my study not only evaluate the effect of pack drain ' s quickening up the consolidation of soft ground impersonalily and scientifically but also sum up the settlement disciplination of overbank soft clay after more than one years ? observation of settlement and stability continuously
   本文以伊洛河河滩相软土为研究对象，利用沉降板、测斜管、孔隙水压力计、分层沉降标等多种测试仪器，选取14个有代表性的观测断面，进行了一年多的沉降与稳定观测。通过对观测数据的分析，进而对袋装砂井加速河滩相软土固结效果进行了客观、科学的评价，同时推算了沉降系数m _ s和固结度参数，并对河滩相软土的沉降规律进行了分析。
4. Delta front sedimentary assembled can be identified three microfacies : underwater distributary channel , underwater overbank deposits and distributary mouth bar . reservoir heterogeneity can divide macro heterogeneity and micro heterogeneity according to reservoir scale . macro heterogeneity research based on sedimentology and studied on sandstone longitudinal and landscape orientation distributing mode , it ' s inner structure character
   储层非均质性根据储层描述尺度大小，可区分为宏观非均质性和微观非均质性，宏观非均质性研究是以沉积学为基础，研究砂体纵横向分布模式，砂体内部的结构特征。
5. From sedimentology symbol such as rock assembled , sediment gradus , sandstone grading analysis , protogene sedimentary structure , ichnofossile and logging facies etc and palaeoenvironment background , it is confirmed that shen84 - an12block s34 segment is braid river delta system , not fan delta system ( abrupt slope ) . then it can be more partition as braid river delta plain sedimentary assembled , delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled . and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel , crevasse splay , overbank deposits and interdistributary bay
   沉积微相研究是储层非均质性研究的基础，研究区有丰富的岩芯资料和测井资料，通过岩石组合、沉积韵律，砂岩粒度分析、沉积构造、古生物遗迹和测井相等沉积学标志，结合古环境背景，确定沈84 ?安12块s _ 3 ~ 4段为辫状河三角洲体系，而不是前人所认为的扇三角洲(陡坡型)体系，在岩芯和测井组合上可进一步划分为辫状河三角洲平原沉积组合、三角洲前缘沉积组合和前三角洲沉积组合，其中三角洲平原沉积组合又可识别出辫状分流河道、决口扇、分流河道边部和分流间湾四种微相类型；三角洲前缘沉积组合识别出水下分流河道、水下分流河道边部和分流河口坝三种微相。

百科释义

The term overbank describes the type of alluvial geological deposit or sediment that is deposited on the flood plain of a river. Because it occurs outside the main channel, away from faster flow, the deposit tends to be fine-grained.