| 1. | The mean duration of drought and flood events also has little secular trend
旱涝的持续时间的长期变化也很小。 |
| 2. | River dynamics and flood events are the key - factors for the conservation and restoration of tugai forests
洪水和河流改道就是保护胡杨林的核心因素。 |
| 3. | Sediment record of climatic changes and the flooding events since the holocene in the su - wan plain along the yangtze river
苏皖沿江平原全新世气候变化与洪水事件研究 |
| 4. | Impact of flood events from different source areas on channel transects adjustment at the wandering - braided reach of the lower yellow river
不同来源区洪水对黄河下游游荡河段河床横断面形态调整过程的影响 |
| 5. | The plausible reason for this could be due to the fact that the xinanjiang model has more parameters thereby making it flexible to fit a flood event
分析原因主要是新安江模型的参数较多，能够更灵活的调整以符合洪水过程。 |
| 6. | We first calculated the mean duration of drought and flood events , we found that the mean duration of drought and flood events has little spatial variability over the globe . the mean of the duration is about 1 - 1 . 5 months , with a standard deviation of 0
指出旱涝(大旱大涝)的持续时间具有很小的空间变化，大部分地区的旱涝的持续时间变化在1 - 1 . 5个月之间，具有0 . 5个月的方差。 |
| 7. | The flood detention and storage capacity of several billion cubic meters of hongze lake has been recognized for a long time , but the resistance of fiver - lake string has always been ignored , based on an analysis of historical information about flood events , the harmfulness of plain fiver - lake string was revealed , then , the necessity for implementation of fiver - lake separation in regulation of the huaihe river was verified , and a reasonable scheme for fiver - lake separation and a feasible modeling method for scientific demonstration were also put forward
摘要针对长期以来人们只认知洪泽湖的几十亿立方米防洪调蓄能力，却漠视它的河湖串阻力及其一级尾闾地位的情况，通过对历史洪水和有关资料的分析，初步揭示平原河湖串的危害性，由此引证进一步治理淮河实施河湖分离的必要性，并提出一种合理的河湖分离方案，以及比较可行的模拟论证方法。 |
| 8. | The correlativity between theoretical value and the actual value of soil moisture content in 93 . 3 percent of observational stations is distinct . all this shows that calculational methods of zndx is more reason for studing the flood or drought of northwest chine . ( 2 ) index _ z and index _ k ca n ' t objectively remark extent of drought and flood event . both ca n ' t distinguish the difference of some years which have the same precipitation and have different temperature , awc
西北地区10个代表站三种指数值的对比表明， z指数与k指数仅反映西北地区同期的降水，而zndx指数不仅反映了同期降水状况，且与同期气温及前期气候湿润度有关。 ( 2 )通过z 、 k与zndx指数对西北地区旱涝等级的对比研究表明， z指数与k指数对西北地区旱涝等级的确定不具有客观性。 |
| 9. | The width of main channel would influence the water level rising rate greatly in flood events . when the discharges in main channel increased to 8000 m ' / s from 3000 m3 / s the water rising amplitude at hydrometer stations in the lower yellow river was correlative well with the exponent ( - 0 . 65 ) of main channel width and the exponent ( - 0 . 33 ) of river longitudinal slope
洪水期主槽宽度对水位涨率有较大影响，主槽流量从3000m ~ 3 s增大到8000m ~ 3 s时，下游各水文站断面水位的抬升幅度与主槽宽度的( - 0 . 65 )次方和河道纵比降的( - 0 . 33 )次方具有较好的相关关系。 |
