1) hydrological elements in cold region
寒区水文要素
3) hydrological factors
水文要素
1.
Spatial and temporal variations of some hydrological factors in a climax forest ecosystem in the Dinghushan region;
鼎湖山顶级森林生态系统水文要素时空规律
2.
As to some unpolluted and lightly polluted natural water bodies,such as rivers and reservoirs,the concentration of main ions in water quality items is in good correlation with some hydrological factors,such as water level,water temperature,runoff and so on.
对于某些未受污染或污染较轻的天然水体 ,如河流与水库 ,水质项目中的主要离子含量与水位、水温及径流量等水文要素有较好的相关性。
4) hydrological factor
水文要素
1.
The effect of Yongle water diversion engineering on downstreem watercourse and hydrological factor;
永乐引水工程对楠溪江下游河道及水文要素影响的研究
5) hydrologic element
水文要素
1.
Variation process of hydrologic elements of river-aquifer system;
河流-含水层系统中水文要素的变化过程分析
2.
Some conclusions about Shiyanghe river basin such as unapparent increasing of precipitation,appreciably decreasing of mountain run-off and continually decreased of groundwater are acquired by the research about 45 years historical hydrologic element and water resources distributing characteristics.
经过对石羊河流域近45年的降水、径流、地下水等水文要素及水资源分布特点与演变趋势的分析,得出以下结论:降水呈不显著的增加趋势;干流出山径流量略有减少;地下水位呈逐年下降趋势。
6) hydrologic elements
水文要素
1.
We have discussed the hydrology characteristic property from aspect such as precipitation,evaporation,flood and runoff about the river basin,analyzed the variation rule of hydrologic elements,and found that the floodwater flux were 239m3/s,112m3/s for once in 100 years and for once in 50 year respectively.
介绍了故乡河流域的自然地理概况,从降水、蒸发、洪水、径流等方面论述了该流域的水文特性,分析了各水文要素的变化规律,流域百年一遇洪水239m3/s,50a一遇洪水181m3/s。
补充资料：水文要素
| 水文要素 hydrologic factors 构成某一地区、某一时段水文状况的必要因素。如降水、蒸发和径流。是水文循环中的3个基本要素。此外，水位、流量、含沙量、水温、冰凌和水质等也可称为水文要素。各种水文要素可以通过水文站网的水文测验和观测来测定，是预报、研究水体水文情势的不同物理量。 |
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