Hydrological benefits in the context of Brazilian environmental services program

被引:3
作者
Rodrigues D.B.B. [1 ]
Oliveira P.T.S. [1 ]
Alves Sobrinho T. [2 ]
Mendiondo E.M. [1 ]
机构
[1] University of São Paulo, CxP. 359, São Carlos, SP
[2] Federal University of Mato Grosso do Sul, CxP. 549, Campo Grande, MS
基金
巴西圣保罗研究基金会;
关键词
Hydrological services; Land use change; SCS-CN method; USLE model; Water erosion;
D O I
10.1007/s10668-012-9424-y
中图分类号
学科分类号
摘要
The Brazilian program of payment for environmental services (PES) is based on ranges of potential erosion decrease (ED) from soil and water conservation proposals estimated from the Universal Soil Loss Equation. Changes in land use and land cover (LULC) result in many alterations of the basin water balance. Therefore, to contribute to the methodological development of Brazilian PES, this paper proposes a quantification of hydrological benefits based on conservation measures. We propose basing the PES program on adding the potential water storage increase (WSI) parameter estimated from the runoff curve number model. Two LULC change scenarios were run considering conservation measures on degraded areas. We found that indicators of ED and WSI were compatible tools for driving the eligibility of soil and water conservation measures. However, the water storage parameter seems to be better at managing the PES mechanism because it is based on water prices and can contribute to appreciation of the efforts performed by the rural producers. The use of the SCS-CN method presents greater feasibility as a tool for the implementation of PES programs in ungauged basins. Thus, an analysis of the success of the innovation proposal of the Brazilian PES program allows inferences to be made about the quantification and financial valuation of hydrological benefits of the potential storage increase and current water price. © 2012 Springer Science+Business Media Dordrecht.
引用
收藏
页码:1037 / 1048
页数:11
相关论文
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