1) alluvial and flood fan
冲洪积扇
1.
On Nitrogen transform and hydro-geochemical characteristics of the Hun river alluvial and flood fan;
浑河冲洪积扇中下游地下水中氮转化与水文地球化学特征的研究
2) piedmont alluvial-pluvial fan
山前冲洪积扇
1.
This paper expounds correct selection of hydrogeological parameters is of importance to the construction of waterworks on the basis of selection, calculation and correlation of hydrogeological parameters for piedmont alluvial-pluvial fan as watersource field of Sanxingdui of the Shiting Hill.
通过对成都平原石亭江山前冲洪积扇的三星堆水源地水文地质条件及求参效果对比 ,阐明了正确选择水文地质参数对水厂建设的重要性。
3) Changma alluvial fan
昌马冲洪积扇
1.
The paper predicts the changing tendency of groundwater resource in Changma alluvial fan by numerical modeling,applying the method of finite difference and irregular polygon cells.
应用有限差分方法,采用不规则多边形剖分,对昌马冲洪积扇区地下水资源数量的变化趋势进行了模拟计算。
4) alluvial-pluvial fan
滦河冲洪积扇
1.
The alluvial-pluvial fan and the littoral plain of Luanhe River are located in the east part of Hebei Province.
位于河北省内的滦河冲洪积扇及其滨海平原第四系分布广泛,岩性主要有卵砾石、砾砂、粗砂、中砂、细砂、粉土、粉质粘土、粘土,可划分为四个含水组,分别相当于Q4、Q3、Q2、Q1。
6) alluvial fan
洪积扇
1.
The probability curves of alluvial fan conglomerate reservoir have the characteristics of coarse-grained, wide-range and low-slope.
粒度分析资料是一个传统的划相指标,洪积扇储层的概率粒度曲线以其粗粒度、宽区间、低斜率为特征。
2.
Based on the study of different hierarchical bounding surfaces and the transplantation of the Miall\'s idea in the complex reservoir of alluvial fans,a hierarchy analysis method is established,which is suited for the development precision on the inner structure of the alluvial fans.
在厘定其不同层次界面成因的基础上,把Miall研究思路成功移植到洪积扇相复杂储层中,建立了与开发精度相匹配的洪积扇储层内部结构研究的层次分析法,即复合水道、单期水道和高渗透段3个层次。
补充资料：洪积扇
| 洪积扇 puluvial fan 干旱、半干旱地区暂时性山地水流出山口堆积形成的扇形地貌。组成洪积扇的泥沙、石块颗粒粗大，磨圆度差，层理不明显，透水性较强，扇面上水系不发育。由于山前构造断裂下降，洪积物厚度可达数百米。从扇顶至扇缘高差也可达数百米。一系列洪积扇互相联结形成洪积平原，又称山麓洪积平原。洪积扇因山地不断抬升，山前平原不断下降，形成上叠式扇体。当山地上升规模、幅度均较大时，老扇随之抬升，在其下方发育新扇体，形成串珠状洪积扇。当山地前缘有不等量的新构造活动时，新扇体向相对下降的一侧移动，使新老扇体并列向一侧偏转，造成不对称形态。 |
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参考词条