[1]QIAN Jian,ZHAO Zhi-jie.Simulation Research of Hydrological Response on Watershed Land Use and Land Cover Change Based on a Simple Water Balance Model[J].Research of Soil and Water Conservation,2009,16(03):11-15.
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Simulation Research of Hydrological Response on Watershed Land Use and Land Cover Change Based on a Simple Water Balance Model
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
16
Number of periods:
2009 03
Page number:
11-15
Column:
Public date:
2009-06-20
- Title:
- Simulation Research of Hydrological Response on Watershed Land Use and Land Cover Change Based on a Simple Water Balance Model
- Keywords:
- simple water balance model; watershed; LUCC; hydrological response; simulation
- CLC:
- P343.9
- DOI:
- -
- Abstract:
- This paper takes Bao’an District of Shenzhen as a study area since its rapid urbanization. Regional landuse changes in nearly 20 years are analyzed by interpreting TM images. A modified simple water balance model is applied to research hydrological response on watershed landuse changes, using rainfall and evaporation data of 1995. The results show that, landuse changes which caused by urbanization result in a yearly increasing trend of the total runoff volume, while soil and groundwater storage capacity is decreasing. Moreover, the degree of inner-annual distribution unevenness shows an increasing trend. From 1990 to 2007, the regional total annual runoff increased by 8.05%, the monthly average soil water and groundwater storage capacity both decreased by about 30%, inner-annual distribution unevenness coefficient of runoff increased by 2.33%. To some extent, these phenomena reflect the decline in watershed regulation and storage capacity, as well as soil and water conservation function. On the other hand, different hydrological responses of different basins are due to the regional differences of landuse changes. The research has reference value in water resource assessment and management in the watershed scale.
- References:
-
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