Urban evaporative consumptive use for water‐scarce cities in the United States and Mexico
In this work, we estimate urban evaporative consumptive use (urban ECU) in three cities in a semiarid region experiencing water scarcity: El Paso, Texas, and Las Cruces, New Mexico, in the United States and Ciudad Juárez, Chihuahua, in Mexico. Urban ECU includes vegetation and bare soil evapotranspi...
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| Otros Autores: | , , |
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| Formato: | Artículo |
| Lenguaje: | en_US |
| Publicado: |
2020
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| Materias: | |
| Acceso en línea: | https://doi.org/10.1002/aws2.1185 https://awwa.onlinelibrary.wiley.com/doi/abs/10.1002/aws2.1185 |
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| Sumario: | In this work, we estimate urban evaporative consumptive use (urban ECU) in three cities in a semiarid region experiencing water scarcity: El Paso, Texas, and Las Cruces, New Mexico, in the United States and Ciudad Juárez, Chihuahua, in Mexico. Urban ECU includes vegetation and bare soil evapotranspiration (ET) and evaporation from open water, water supply infrastructure losses, and building evaporative coolers. Three independent methods were used to estimate urban ECU from individual ECU components and from utility accounting data. The three methods produced urban ECU estimates that varied by an average of 24%. Most of the disagreement was attributed to potential overestimation of vegetation and bare soil ET. Vegetation and bare soil ET account for up to 90% of total urban ECU. Urban ECU accounts for up to 60% of total annual water demand. Per capita ECU from the U.S. cities is, on average, 149 m3/capita/year, compared with 51 m3/capita/year for Ciudad Juárez. |
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