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By field investigation and water chemical monitoring, the groundwater environment of the shallow buried paleochannel zones and alluvial diluvial fans on the south coast plain of Laizhou Bay can be divided into 3 area: the salt groundwater district in the north, the transition district in the middle and the fresh groundwater district in the south.
通过野外实地调查和水化学监测，将莱州湾南岸平原浅埋古河道带及冲洪积扇浅层地下水水化学环境分为3大区域，即北部的全咸水区、中部的咸淡水过渡区和南部的全淡水区。
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The physical geography environment, the forming and distributing of the water resource in Ali area of Tibet are analyzed, basing on the difference of the groundwater resource forming environment, the water circulation system can be divided into alluvium and diluvium groundwater of rivervale in south and flows-in lake basin groundwater in north.
成都理工大学环境与土木工程学院，成都610059中文摘要：分析了西藏阿里地区自然地理环境、水资源形成和分布及其利用状况，基于区内地下水资源形成环境条件的差异，本区地下水资源体系可分为南部河谷冲洪积层地下水系统和北部内流湖盆地下水系统。
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The reserves of alluvium and diluvium groundwater has better deposited condition, and the supplement of water resource is abundant; but most of flows-in lake basin area is lacustrine facies sediment, and/or the weather, water resource exist mainly as solid form, and the groundwater resource is indigence.
南部河谷冲洪积层储水条件较为优越、且补给水源充分，其地下水和地表水构成了一个统一的水资源系统和完整的水生态体系；而北部内流湖盆地区多为湖相沉积、且受气象因素制约，水资源多以固体形式存在，因而地下水资源总体贫乏。
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The characteristics of landslide body and bed are then summarized. Falling accumulation is primary and diluvium and alluvium are subordinate to the accumulative stratum landslides in horizontal stratum. The forming mode have six steps: a cliffy forming, b landslide bed forming, c bottom matter of landslide body forming, d soil and stone forming and, e the surface matter forming and disaggregating.
通过总结万州堆积层滑坡的滑体和滑床特征，得出了近水平地区堆积层滑坡的物质来源和结构成因为：崩塌堆积为主，冲、洪积为辅；形成模式为：后部陡壁形成，滑床形成，滑体底部物质形成，滑体土石混合体形成，滑体表层物质形成，滑动解体等6个阶段。
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With the analysis of Quaternary geological environmental evolution, the riverbed overburden is classified as alluvium, river fluvial aggradation, glaciation aggradation, periglacial solifluctional aggradation, gravity aggradation, lacustrine aggradation and diluvium aggradation.
通过第四纪地质环境演化的分析，把覆盖层的成因类型划分为水成系列、冰川系列、冰缘系列、重力系列和共生系列五大类，其中又按搬运动力的不同特点分为冲积为主的类型、河流加积类型、冰川加积类型、冰缘冻融泥流加积类型、重力堆积加积类型、洪积加积类型、湖积加积类型等七种亚类。
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For each strategy, a corresponding exploitation plan of groundwater was designed. Then each designed exploitation plan (except scheme 3) was put into the model for calculation and simulation. The analysis on the forecasting results every plan indicates that:(1) Shuting down the self-provided wells is the most direct and effective method, playing an important role in the land subsidence prevention.(2) The resumption of compressed soil by groundwater artificial recharge is limited. So the artificial recharge can\'t provide essential effect for the resumption of land subsidence, unless the artificial recharge is much more than the groundwater withdrawal.(3) The method of "adjusting the exploitation stratum of groundwater to the shallow" has an obvious effect on the land subsidence prevention.(4)"Sand wells" can increase the leakage recharge for confined aquifer, and thus can slow and prevent the development of the land subsidence.(5) For the groundwater exploitation in Xi\'an, emergency self-provided wells should be managed according to the well spacing of 1600m, 2000m and 1600m, respectively, in the river terrace area, alluvial-proluvial fan area and loess tableland area to exploit the first confined groundwater. Corresponding individual well yield can be set as 2500m~3/d, 1500 m~3/d and 200 m~3/d. Make emergency self-provided wells pump in the dry year and stop pumping groundwater to restore and conserve underground water sources in average years and wet years. In this way, groundwater withdrawal of 162000m~3/d can be obtained to provide for the supplement of water supply in Xi\'an. As a result, the water supply stress can be released in dry years. The groundwater depression formed in the exploiting year can resume in 3-4 years. At the same time, this exploitation manner will not lead to obvious land subsidence.
本文利用所建的模型预测了现状开采条件下未来20年的地下水位和地面沉降的变化，在此基础上，提出了防治西安市地面沉降的五个地下水开采方案，利用所建的地面沉降模型对各个设计方案其进行了模拟和预报，对预测结果的分析表明：①封停自备井是防治地面沉降最为直接和最有效的对策，对防治地面沉降起着最为积极的作用；②采用人工回灌方法使被压缩的土层得到的恢复是非常有限的，对地面沉降不能起到根治作用，只有回灌量明显大于开采量时才能有一定的效果；③&调整开采层次，在浅层取水&对防治地面沉降的效果十分明显；④布设&砂井&可以增加对承压含水层的越流补给量，从而可以有效地缓解和控制地面沉降的发生和发展；⑤对西安市的地下水开采，可在河流阶地区、冲洪积扇区和黄土塬区分别采用1600m、2000m、1600m的井间距布置应急自备井，分别采用2500m~3/d、1500 m~3/d和200 m~3/d的单井开采量，开采第一承压水，在平水年或者丰水年不开采，涵养地下水源，在枯水年启动这些应急自备井开采，在输出分析范围内共可获得162000 m~3/d(5913万m~3/a)开采量，可以有效地补充西安市的供水水源，缓解供水紧张局面，开采年开采导致的下降的水位可在停采3～4年后得到基本恢复，同时，这种开采方式不会造成大的地面沉降量。
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The study results show that:①The distribution of Cd in shallow surface soils is characterized as: The content of Cd in lacustrine deposit, alluvial lacustrine and alluvial-diluvial low-lying plain is 1.4 to 1.8 times as high as in alluvial-diluvial high valley flat and alluvial-diluvial high bank physiognomy areas.②The content variation of Cd in horizontal distribution was controlled by clay primarily and OrgC secondly. The variation of OrgC was major factor that affected the content variation of Cd in vertical distribution.
结果表明：①研究区浅层土壤中w的分布特征为，湖积低平原区、冲－湖积低平原区及冲洪积低洼平原区地貌成因类型土壤中的含量明显高于冲洪积高漫滩平原区、冲洪积高亢平原区地貌成因类型土壤，其质量分数差异达1.4~1.8倍；②研究区不同地貌成因类型土壤中，w的横向分布特征主要受黏粒含量分布的控制，其次是wC(下标 org；垂向分布特征的主要控制因素是wC
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Large and small mouth Qingyang beach, beach plants, Luquan Beach (also known as the Hexi Fort basin), and other mountain basin, mainly alluvial sand and gravel layer coverage.
大、小青羊口滩、花草滩、露泉滩等山间盆地，主要为冲洪积砂砾层和沙土覆盖。
- 更多网络解释与洪积层相关的网络解释 [注：此内容来源于网络，仅供参考]
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diluvial soil：洪积土壤
diluvial age 洪积世 | diluvial soil 洪积土壤 | diluvium 洪积层
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diluvial hypothesis：洪积说
diluvial formation 洪积层 | diluvial hypothesis 洪积说 | diluvial 洪积
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diluvian：洪积的
diluvial 大洪水的 | diluvian 洪积的 | diluviondiluvium 洪积层
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diluvian：洪水的/洪积的
diluvial /冲积的/大洪水的/ | diluvian /洪水的/洪积的/ | diluvion /洪积层/大洪水/
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diluvium：洪积层
diluvianism 洪水论 | diluvium 洪积层 | dim out 变暗淡
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diluvium：洪积层;洪积统
洪积世 Diluvial Epoch | 洪积层;洪积统 Diluvium | 规格石块;建筑石材 dimension stone
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Deluvium; Diluvium：洪积层;洪积统
大洪水 deluge | 洪积层;洪积统 Deluvium; Diluvium | 水磷铁石 delvauxene; delvauxite
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pleistocene：洪积世
墨西哥湾过去嘅石油99%来自洪积世(Pleistocene)、鲜新世巖层(Pliocene)及中新世(Miocene age)巖层,Jack #2油井嘅石油系来自中生代巖层一个从未被开採嘅岩层,对未来石油供求影响如何?
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diluvion：洪积层 大洪水
diluvialsoil 洪积土 | diluvion 洪积层 大洪水 | diluvium 大洪水 洪积层
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eluvial horizon：淋溶残积层
eluvial diluvial formation 淋溶洪积形成物 | eluvial horizon 淋溶残积层 | eluvial hydromorphic soil 淋溶水成土