水科学进展
水科學進展
수과학진전
2009年
4期
584-589
,共6页
何长高%董增川%石景元%陈卫宾
何長高%董增川%石景元%陳衛賓
하장고%동증천%석경원%진위빈
水土保持%水文效应%地形指数%分布式模拟
水土保持%水文效應%地形指數%分佈式模擬
수토보지%수문효응%지형지수%분포식모의
soil and water conservation%hydrological response%topography index%distributed simulation
以半分布式地形指数模型为基础,提出了水土保持措施地形指数的概念,对TOPMODEL进行了改进.利用植被指数NDVI进行了植被截留的时空差异分析.利用1992~1995年和1997年的逐日流量资料,对修河流域清江站以上水土流失较为严重的地区进行了梯田、经济果林、种草及水土保持林4种水土保持措施的水文效应模拟,该模型取得了较好的模拟效果.
以半分佈式地形指數模型為基礎,提齣瞭水土保持措施地形指數的概唸,對TOPMODEL進行瞭改進.利用植被指數NDVI進行瞭植被截留的時空差異分析.利用1992~1995年和1997年的逐日流量資料,對脩河流域清江站以上水土流失較為嚴重的地區進行瞭梯田、經濟果林、種草及水土保持林4種水土保持措施的水文效應模擬,該模型取得瞭較好的模擬效果.
이반분포식지형지수모형위기출,제출료수토보지조시지형지수적개념,대TOPMODEL진행료개진.이용식피지수NDVI진행료식피절류적시공차이분석.이용1992~1995년화1997년적축일류량자료,대수하류역청강참이상수토류실교위엄중적지구진행료제전、경제과림、충초급수토보지림4충수토보지조시적수문효응모의,해모형취득료교호적모의효과.
The original Topmodel is modified properly and the soil and water conservation topography index conception is given to simulate the hydrological response to water and soil conservation measures. At the same time, the vegetation index is used to take into account the difference of the vegetation canopy interception. The modified model is calibrated with five years daily rainfall and runoff records (1992~1997). The daily runoff data is used to simulate the five situations, that is, the original state, the states with the terrace measure, the grass measure, the fruit forestry measure and the water and soil conservation forest measure in the upstream of Qingjiang station in Xiuhe basin, the modified model gives a sound result.