湖积平原

本文系统地阐述了冲湖积平原水源地水文勘测工作方法及要求，结合小杨庄水源地指出了水文勘测工作的重要性。

The working method and requirement of the hydrologic reconnaissance for the wellhead field of the alluvial lacustrine plain are systematically expounded in this paper .

冲湖积平原水源地的水文勘测

The hydrologic reconnaissance for the wellhead field of the alluvial lacustrine plain Lake Biwa

Ⅰ~Ⅲ等的耕地中，有87.6%的面积分布在冲积、湖积平原区；

87.6 % of the land from grade ⅰ to grade ⅲ distribute on alluvial and lacustrine plains .

地下水体化学特征分异规律为山区裂隙水及山前砾石带重碳酸盐带，山前冲、洪积、湖积平原硫酸盐带，荒漠区及积盐洼地氯化物带。

For groundwater , they are mountain fissure and piedmont gravel-bicarbonate zone , piedmont diluvial , alluvial and lacustrine plain-sulfate zone and desert salt-accumulating depression-chloride zone .

青铜峡洪积扇单一潜水及冲湖积平原上覆潜水，主要接受黄河灌溉水的入渗补给。

The phreatic groundwater both in the diluvial fan of the Qingtongxia gorge and in the fluvial plain is mainly recharged by the influent seepage of irrigation water from the Yellow River .

本文对河西走廊的水资源从祁连山中高山形成区到下游盆地湖积平原的消失区，地下水与河水之间经过几个不同地带的转化进行了论述，阐述了相互转化的关系及规律。

This paper discusses the transformation of groundwater and river water through several different belts of Hexi Corridor , which are from forming area of Qilian Mountain to disappearing area of lacustrine deposit plain in lower reaches basin , and expatiates on the relationship and rule of mutual transformation .

在准噶尔盆地西北缘古玛纳斯湖湖积平原区，通过引水灌溉进行规模土地开发中，利用紫花苜蓿作为先锋植物对新垦殖土地进行的改良和熟化。

A study to use alfalfa as pioneer plant to improve virgin soil at North-West Junggar Basin was carried out .