Compute the ecological minimum release flow from long-term mean flow and a base-flow coefficient, and assess ecological status with the Tennant method, for instream-flow management.
基于多年平均流量与生态基流系数计算最小下泄流量,结合 Tennant 法评价生态状况
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Tennant (Montana) method | Qeco = r·Qmean (r = 10% fair / 60% excellent) | Tennant D.L. 1976; SL/Z 712 Guidelines for eco-flow assessment |
生态最小下泄流量计算工具用于水利水电工程下泄生态流量的确定。根据河道多年平均流量与生态基流系数计算最小下泄流量,并换算为年、月、日生态需水量,结合 Tennant 法(蒙大拿法)评价河道生态状况,是生态流量监管与调度的依据。