Redirigiendo al acceso original de articulo en 22 segundos...
Inicio  /  Water  /  Vol: 9 Núm: 8 Par: 0 (2017)  /  Artículo
ARTÍCULO
TITULO

Valuation of Hidden Water Ecosystem Services: The Replacement Cost of the Aquifer System in Central Mexico

Carlos A. López-Morales    
Maria Azahara Mesa-Jurado    

Resumen

This paper reports research estimating the costs of replacing the groundwater that the metropolitan areas of Mexico City, Toluca, and Cuernavaca, in Central Mexico, pump from 10 over-exploited aquifers with 6 supply alternatives of surface water. These aquifers provide about 70% of the water required by more than 28 million people, and their recharge zones in forested areas are increasingly threatened by economic activities. By designing a constrained optimization program that minimizes investment and operation costs, we found that replacing groundwater extraction involves the construction of all six alternatives at an estimated cost of US$25 billion at present values (US$0.6 m-3 over a 26-year period). We designed and analyzed a scenario to combine measures to reduce water leaks in Mexico City; a positive balance was found: every dollar invested in leak control reduces replacement costs by between US$1.9 and US$8.4. Therefore, our results suggest the prioritization of leak control measures in order to reduce extraction from over-exploited aquifers. Local authorities should be warned about the economics of losing ecosystem services that are crucial to sustaining the population and the economic activities in the region of study.

 Artículos similares

       
 
Matej Fabijanic, Nadir Kapetanovic and Nikola Mi?kovic    
The process of fish cage inspections, which is a necessary maintenance task at any fish farm, be it small-scale or industrial, is a task that has the potential to be fully automated. Replacing trained divers who perform regular inspections with autonomou... ver más

 
Federico Ricci, Luca Petrucci, Francesco Mariani and Carlo Nazareno Grimaldi    
The control of internal combustion engines is becoming increasingly challenging to the customer?s requirements for growing performance and ever-stringent emission regulations. Therefore, significant computational efforts are required to manage the large ... ver más
Revista: Information

 
Marija Korican, Maja Percic, Nikola Vladimir, Neven Alujevic and Ailong Fan    
The fishing sector is faced with emission problems arising from the extensive use of diesel engines as prime movers. Energy efficiency, environmental performance, and minimization of operative costs through the reduction of fuel consumption are key resea... ver más

 
Abdullah A. AlZahrani, Abdulrahman A. Alghamdi and Ahmad A. Basalah    
Three-dimensional printing technologies are transforming various sectors with promising technological abilities and economic outcomes. For instance, 3D-printed concrete (3DPC) is revolutionizing the construction sector with a promise to cut projects? cos... ver más
Revista: Buildings

 
Qingtian Ke and Peng Zhang    
Existing optical remote sensing image change detection (CD) methods aim to learn an appropriate discriminate decision by analyzing the feature information of bitemporal images obtained at the same place. However, the complex scenes in high-resolution (HR... ver más