| Full text | |
| Author(s): |
Rodrigo Máximo Sánchez-Román
[1]
;
Marcos Vinicius Folegatti
[2]
;
Alba María Guadalupe Orellana González
[3]
;
Rogério Teixeira da Silva
[4]
Total Authors: 4
|
| Affiliation: | [1] USP. ESALQ. Programa de Pós-Graduação em Irrigação e Drenagem - Brasil
[2] USP. ESALQ. Depto. de Engenharia Rural - Brasil
[3] USP. ESALQ. Programa de Pós-Graduação em Ecologia Aplicada-Interunidades - Brasil
[4] USP. ESALQ. Programa de Pós-Graduação em Irrigação e Drenagem - Brasil
Total Affiliations: 4
|
| Document type: | Journal article |
| Source: | Scientia Agricola; v. 66, n. 4, p. 427-435, 2009-08-00. |
| Abstract | |
The Piracicaba, Capivari and Jundiaí River Basins (RB-PCJ) are located in the States of Minas Gerais and São Paulo, Brazil. By 2005, 5.8% of Brazil's General National Product-GNP was produced there. Such economic development has created a huge demand for water resources. The availability of water resources was assessed by running a dynamic systems simulation model to manage these resources in the RB-PCJ (WRM-PCJ), considering five 50-year simulations. WRM-PCJ was developed as a tool to aid the RB-PCJ Watershed Committee. The model computes water supply, demands, and contamination load from several consumers. When considering a Business-as-Usual scenario, by 2054, water demands will have increased up to 76%, 39% of the available water will come from wastewater reuse, and the contamination load will have increased by 91%. The Falkenmark Index started at 1403 m³ person-1 year-1 in 2004, ending at 734 m³ P-1 yr-1 in 2054; the Xu Sustainability Index started at 0.44 and ended at 0.20; and Keller's River Basin Development Phases started as Phase II, and ended at final Phase III, of Augmentation. The three criteria used to evaluate water resources showed that RB-PCJ is at a crucial management turning point. The WRM-PCJ performed well, and proved to be an excellent tool to assess water resources availability. (AU) | |
| FAPESP's process: | 06/60954-4 - Socio-environmental changes in the state of São Paulo and perspectives for conservation |
| Grantee: | Luciano Martins Verdade |
| Support Opportunities: | BIOTA-FAPESP Program - Thematic Grants |