| 1. | Especially , river retreat in drying year becomes one of the main causes of desertification because of the decrease of runoff
尤其枯水年径流量的减少可能成为影响盆地荒漠化的原因之一。 |
| 2. | At last , taking the example of maotiao river the amount of low water resources carrying capacity was calculated
最后，本文以猫跳河流域为例分别从年径流量和枯季径流量的角度计算水资源承载力的大小。 |
| 3. | ( 2 ) through the analysis of the dynamic trends of annual runoff of yeerqiang river , the change trends of annual runoff is acquired
( 2 )对叶尔羌河年径流量动态变化趋势进行了分析，得出了叶尔羌河年径流量变化趋势。 |
| 4. | Therefore , this paper , taking the shaanxi - gansu - ningxia region as a case area , preliminary discussed the ecosystem ' s responses under the background of climatic change
本文初步分析了全球气候变化下陕甘宁地区河流年径流量的变化，对该变化的成因作了初步探讨。 |
| 5. | Owing to the effects of frequent human activities and climate change , the natural annual runoff series for water resources evaluation calculation lost their consistency
摘要由于受频繁人类活动和气候变化的影响，用于水资源评价计算的天然年径流量序列失去了一致性。 |
| 6. | One exception is tu - wei - he catchment where underground runoff is the primary part of river flow . its runoff season distribution is much uniformity . its runoff amount of july to august accounts is 24 % of the annual runoff amount
但以地下径流补给为主的秃尾河，径流量的季节分配相对均匀， 7 8月份径流量占年径流量的24 。 |
| 7. | Firstly established plural linear regression model to estimate the river runoff uninfluenced by human . compare with the record of hydrology examinition stations , then analyze the influence degree of human factors , namely the diference of the two river runoff account
通过多元回归方程预测自然状态下陕甘宁地区河川年径流量，对比实测径流量来分析人为因素对径流量的影响程度。 |
| 8. | Annual runoff of malianhe river show a decline tendency in the period both between 1955 - 1986 and 1987 - 2000 . annual runoff of qingshuihe river showed a similar tendency to malianhe river in the period between 1956 - 1987 and the period between 1988 - 2000
无定河年径流量无论总体变化趋势还是各个阶段都为显著减少；马莲河和清水河年径流量在1986 1988年前后两个阶段内的变化趋势都为显著减少趋势。 |
| 9. | Over an area of 10 square kilometers , the gypsum mines in sihui city has an annual productive capacity of 130 thousand tons , besides , the porcelain mines in guangning , sihui have great reserves , good quality , and have a great value for exploitation
松脂、桂皮是我市主要出口产品之一，在全国、全省同类产品中有较大比重，年产量都在5000吨以上。全市江河年径流量2613亿立方米，保证工农业生产和人民生活用水。 |
| 10. | Moreover , the aid of gray interrelation analysis and the plural regression model are applied to discuss the reason of runoff decrease and abrupt changes . for over 40 years , under the background of climatic warming , river runoff of shaanxi - gansu - ningxia region has showed a generally reduction trend
40多年来，在气候暖干化的背景下，陕甘宁地区地表水资源变化总趋势为减少，表现为自1950年代末以来河川年径流量的显著减少倾向，而且贫水化也日趋严重。 |
