1) The groundwater depth of the optimal groundwater system vulnerability
地下水系统脆弱性最佳地下水位埋深
2) the best depth to groundwater levels
最佳地下水埋深
4) groundwater vulnerability
地下水脆弱性
1.
Modified DRASTIC model for groundwater vulnerability assessment based on entropy weight;
基于熵权的改进DRASTIC模型在地下水脆弱性评价中的应用
2.
Study on groundwater vulnerability assessment in coal mining area;
采煤矿区地下水脆弱性评价
3.
Study on the groundwater vulnerability assessment in Tangshan plain area.;
唐山市平原区地下水脆弱性评价研究
5) groundwater depth
地下水位埋深
1.
Based on the ecological fitting theory,the thesis systematically analyzed the quantitative relationship between plant ecotype and groundwater depth as well as soil water content,according to the test data in sample area and the plant ecotypes in Horqin sandy land.
水分是干旱区植物生长的限制因子,以生态适宜性理论为基础,根据科尔沁沙地植被生态型及典型样带调查试验资料,系统分析了植物生态型与地下水位埋深及土壤含水率的定量关系。
2.
Based on the remote sensing data,surface soil salt and groundwater table data,this paper studied the relationships between the soil salinization and the vegetation,groundwater depth in Yinchuan plain.
结果表明:随着表层土壤含盐量的增大,NDVI(归一化植被指数)逐渐减小,植被发育较好的区域土壤含盐量均小于3 g/kg;植被主要生长在没有盐渍化或轻微盐渍化的地区,在中度和重度盐渍化地区几乎没有植被发育;在枯水季节,研究区土壤盐渍化最严重的地下水位埋深为1。
6) groundwater level
地下水埋深
1.
Distribution of dominant plant species and characteristic of its communities on the foreland of Cele Oasis in relation to groundwater level
策勒绿洲外围不同地下水埋深下主要优势植物的分布和群落特征
2.
Based on experimental data from laboratory and field experiments, the relationship between rainfall recharge and groundwater level under farmland drainage is analyzed in this paper.
以室内一维土柱试验和室外水平衡小区观测资料为基础 ,对农田排水条件下降雨入渗补给与地下水埋深关系进行了分析 ,根据降雨、蒸发与地下水埋深关系相似的规律 ,仿照国内外排水计算中较为广泛应用的阿维里扬诺夫经验公式的结构形式 ,建立起降雨入渗补给与地下水埋深的关系 ,并采用室内外试验资料对该关系式进行了验证。
3.
With special equipments of Central Equipment Station in Shanxi province,this model was established on basis of the results of the optimal groundwater level range which was measured by taking full advan.
为建立新型的节水型灌区,科学用水、计划用水,利用山西省中心试验站蒸渗仪,进行了长达10年的试验研究,充分利用马氏瓶调控地下水浅埋区的水位动态变化,得出了最佳地下水埋深范围,建立了动态模拟的作物生育期内潜水蒸发模型。
补充资料：地下
1.地面以下;地层内部。 2.谓政党﹑团体等处于非法﹑秘密活动状态。 3.指阴间。 4.地面上。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条