| 1. | As a result , the modified model performs more reasonably in runoff production . two methods of downscaling of monthly precipitation to daily resolution are considered and the model results are compared
本文提出了改进办法，通过对模型应用结果的分析，说明改进后的新安江月水文模型，其产流计算更加合理。 |
| 2. | First , proved that dynamics system of monthly precipitation is chaos and attractor of system has fractal structure , according to correlation fractal dimension of a city of heilongjiang province
首先，以计算黑龙江省一个市月降水的关联维数为例，证明了降水系统的动力行为是混沌的，系统的吸引子具有分形结构。 |
| 3. | The global land monthly precipitation data ( prec / c ) are used to investigate the relation between the global land annual precipitation and enso during 1948 - 2000 , and the results of composite analysis are tested with monte carlo simulations
用最新创建的全球陆地月降水资料( prec / l ) ，研究了1948 - 2000年期间的enso事件与全球陆地年降水量的关系。 |
| 4. | The climate characteristics of water resources in north china are analyzed by eof method and gaoqiao equation using monthly precipitation and monthly mean air temperature data of 27 stations in north china from 1951 - 1995
利用华北地区27个台站1951 - 1995年月平均气温及月降水总量资料，用eof分析方法及高桥浩一郎公式计算并分析了华北地区水资源的气候特征。 |
| 5. | Based on the monthly mean surface air temperature ( sat ) and monthly precipitation of 160 meteorological stations over china from 1951 to 2006 , the relationship between climate change and drying trend was analyzed in the last 56 years
摘要利用1951 - 2006年中国区域160个站的月降水及月平均气温资料，对中国区域近56a气候要素的变化及其与干旱化联系的事实进行了分析。 |
| 6. | This paper introduced the detaild formulas of numerical simulation for annual precipitation sequence and monthly precipitation sequence , and provided a whole computer program for each system model , which makes the results of the paper used more conveniently
同时，本文给出了详细的年降雨序列和月降雨序列随机模拟的计算公式，并配有一套完整的计算机程序，这给本文成果的实际应用可望带来很大的方便。 |
| 7. | The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area . the features of distribution of rainfall are detailed evaluated . firstly , the distribution of monthly precipitation is not even . for instance . the annual rainfall amount is about 548mm in whole year , about 80 % of them in summer season . secondly , yearly variation of rainfall is greater . thirdly , the abundant years usually are followed by short years , but the important changes have taken place in the last decades . before 70 ' s the abundant years took the dominant position , from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever . after the later of 80 ' s , the short years hold the main position . the above knowledge is instructive for guiding the rainwater resources effective utilization
本文利用1956 2000年保定市的长系列降雨资料，对保定市降水量进行了频率分析、年内变化分析和多年变化分析，明确了保定市降水量年内、年际间的变化情况：保定市降水量年内分配不均，汛期( 6 - 9月)占年降水量的81 。保定市降水量年际间变化大，丰水年和枯水年交替发生， 70年代以前以丰水年段为主； 70年代到80年代前期降水量丰枯交替频繁，总的接近于枯水年段； 80年代后期至今以枯水年段为主。这种降水分布规律对农业生产雨水资源的高效利用具有重要的指导意义。 |
| 8. | The climate change characteristics of precipitation in the west region of china have been analyzed and studied comprehensively based on the data of yearly , seasonal , monthly precipitation sequence and the number of rainy days on yearly . seasonal and temperature departure sequence of the globa , the northern hemisphere during the period of 1961 to 2000 at 109 stations in the west region of china
本文利用中国西部地区109站1961年到2000年年降水序列、季降水序列、月降水序列，中国西部109站的年、四季雨日数，全球、北半球1961年至2000年年、季温度距平序列，对中国西部降水的气候变化特征进行了全面研究。 |
| 9. | The calculation results show that the method designed is quite satisfactory . the models can reproduce the annual precipitation sequence and monthly precipitation sequence . and then the regional aridity index can be estimated statistically , in addition , they can reproduce the characteristic of history precipitation series
这两类模型分别用于生成模拟年降雨量序列和月降雨量序列作为地区干旱指标序列，从而对所研究地区干旱特征量的统计特性进行估计，并对已发生的地区干旱的重现期进行识别。 |
| 10. | During the lasting course of type e , 850hpa , 500hpa and 200hpa wind field is obviously different from that during the lasting course of type c . the same is true of the precipitation deviation distribution of china , and during type e course the monthly precipitation deviation is positive over the yangtse river and huaihe river basin and negative over north china . the situation of type c is opposite . the result is mainly to reflect the situation in june
E 、 c型持续过程期间， 850hpa 、 500hpa 、 200hpa风场存在明显差异。我国降水量距平分布也有明显差异， e型过程江淮流域月降水量为正距平，华北为负距平， c型则相反，而这个结果主要是反映了6月份的情况。 |
