The main goal of this study was to explore the historical and recent spatial concurrence between the frequency (F), duration (D) and intensity (I) of hot extremes (HEs) and the frequency and evolution of meteorological drought in the region of Sinaloa. Based on the values of daily maximum temperature (Tmax) and precipitation obtained from CLImate COMputing for the interval April-October of a historical period and a recent period , the HE and the standardized precipitation index (SPI) were calculated on one-month (SPI-1) and four-month (SPI-4) timescales. Spearman rank correlation coefficients (Sr) were used to obtain the significant concurrences (SCs) between HEs and SPI-1, and HEs and SPI-4. El Quelite weather station showed the highest historical SCs between HEs and SPI-1 (−0.66≤Sr≤−0.57). Jaina is the only station that showed SCs with all four indicators of HEs and SPI-4 (−0.47≤Sr≤−0.34). In this study, the concurrence between HEs and SPI-1, and HEs and SPI-4 was determined for the first time. These are phenomena that can decrease the crop yield, particularly for rainfed crops such as maize, sesame and sorghum in the region commonly known as "the breadbasket of Mexico".
Se presenta un estudio del potencial y el riesgo ambiental de los principales biocombustibles: bioetanol, biodiesel e hidrógeno en México, específicamente en Sinaloa. Se discuten las ventajas que tienen las algas con respecto a otros insumos para la producción de estos biocombustibles. Los bioenergéticos impactan: En lo económico.- Reduciendo costos y mejorando la calidad en productos, dando independencia energética y mejorando la competitividad. En lo ambiental.- Reduciendo las emisiones de gases y creando productos reciclables y biodegradables. En lo social.- Ayudan al crecimiento y diversificación de la economía rural. La producción de bioenergéticos a escala comercial puede ser factible en México y en Sinaloa, cuando se realicen aspectos técnicos, económicos y medioambientales y de concertación con los sectores agrario y agroindustrial Para la producción de biodiesel se recomiendan: Jatropha, algas, salicornia, moringa, palma de aceite, higuerilla y aceite usado. Para la producción de bioetanol: algas, sorgo dulce, residuos agrícolas y municipales, pasto gigante y maguey y para producir hidrógeno: algas nativas del Estado de Sinaloa.
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