一、要求
1）掌握三层蒸散发计算模型的计算方法，弄清其原理及适用条件；
2）掌握根据蓄满产流模型计算产流量及水源划分的方法。
二、基本资料
某流域71年6－10月逐日流域平均雨量(P)及流域蒸散发能力(Ep)值（见附表）；计算参数值如下：WUM=20mm，WLM=60mm，WDM=40mm，深层蒸散发系数C=1/6，抛物线型蓄水容量曲线指数b=0.3，Fc=2.5mm/d。
计算初始值：各层土壤含水量均达其容量值。
三、计算格式
| 日期 | P | Ep | EU | EL | ED | E | PE | WU | WL | WD | W | R | R/PE | RG | RD |
1、流域三层蒸散发模型的计算公式；
2、蓄满产流量模型产流量计算公式；
3、蓄满产流模型水源划分计算公式；
4、计算表格；
5、谈谈对流域三层蒸散发模型及蓄满产流模型的认识。
附表 单位:mm
| 日期 | 六月 | 七月 | 八月 | 九月 | 十月 | |||||
| P | Ep | P | Ep | P | Ep | P | Ep | P | Ep | |
| 1 | 80.3 | 4.4 | 7.8 | 2.1 | 5.9 | 5.3 | 7.1 | 1.3 | ||
| 2 | 33.5 | 0.4 | 3.9 | 6.0 | 4.2 | 5.7 | 4.8 | 8.0 | 0.4 | |
| 3 | 8.2 | 3.5 | 5.7 | 3.4 | 5.9 | 1.5 | 4.5 | 23.4 | 0.5 | |
| 4 | 92.7 | 1.8 | 25.0 | 6.3 | 5.2 | 6.0 | 9.8 | 3.5 | 1.5 | 0.5 |
| 5 | 8.6 | 0.1 | 0.1 | 5.3 | 7.4 | 23.4 | 3.1 | 3.0 | ||
| 6 | 3.8 | 5.0 | 0.1 | 7.2 | 2.5 | 1.0 | 4.0 | |||
| 7 | 3.9 | 0.6 | 6.9 | 5.1 | 6.0 | 3.6 | 3.2 | |||
| 8 | 0.3 | 3.6 | 0.2 | 2.7 | 20.0 | 3.6 | 2.6 | 2.8 | 1.0 | |
| 9 | 2.1 | 2.3 | 11.0 | 5.0 | 6.6 | 0.2 | 2.2 | 1.9 | ||
| 10 | 4.6 | 0.1 | 4.2 | 6.8 | 7.1 | 1.2 | 4.3 | |||
| 11 | 5.3 | 7.3 | 5.8 | 5.9 | 2.4 | 0.8 | 4.2 | |||
| 12 | 4.8 | 6.7 | 7.9 | 6.3 | 0.6 | 2.8 | ||||
| 13 | 5.6 | 6.8 | 6.9 | 1.2 | 2.7 | |||||
| 14 | 5.5 | 6.8 | 7.3 | 2.8 | 2.8 | |||||
| 15 | 10.3 | 4.8 | 8.3 | 0.9 | 6.6 | 4.0 | 2.0 | |||
| 16 | 4.6 | 7.4 | 5.9 | 7.6 | 5.2 | 2.4 | ||||
| 17 | 6.5 | 32.0 | 4.8 | 0.6 | 7.0 | 5.0 | 2.6 | |||
| 18 | 6.3 | 0.3 | 3.7 | 7.2 | 6.6 | 6.6 | 2.3 | |||
| 19 | 12.8 | 4.2 | 0.1 | 6.2 | 6.1 | 24.0 | 0.8 | 2.2 | ||
| 20 | 0.7 | 3.2 | 1.0 | 5.1 | 7.4 | 3.3 | 0.3 | 2.2 | ||
| 21 | 3.7 | 1.5 | 8.6 | 6.6 | 1.0 | 2.5 | ||||
| 22 | 50.2 | 0.4 | 0.3 | 6.0 | 6.5 | 5.2 | 0.3 | 0.2 | 2.4 | |
| 23 | 0.4 | 1.2 | 6.6 | 7.5 | 8.3 | 71.8 | 3.1 | 1.9 | ||
| 24 | 3.9 | 0.7 | 6.5 | 3.0 | 5.6 | 2.0 | 0.1 | 1.5 | ||
| 25 | 2.4 | 8.1 | 0.3 | 7.3 | 3.1 | 0.4 | 0.8 | |||
| 26 | 0.6 | 4.8 | 0.5 | 7.4 | 1.9 | 6.1 | 2.8 | 2.4 | ||
| 27 | 3.7 | 5.3 | 8.0 | 5.8 | 3.9 | 2.2 | 2.3 | |||
| 28 | 5.9 | 8.0 | 12.2 | 5.7 | 2.8 | 20.2 | 0.3 | |||
| 29 | 6.0 | 4.8 | 18.6 | 10.3 | 3.3 | 1.1 | 0.4 | |||
| 30 | 6.1 | 6.7 | 18.3 | 5.5 | 19.4 | 1.3 | 0.1 | 0.8 | ||
| 31 | 7.1 | 0.2 | 5.4 | 1.1 | ||||||
