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espanolLa region denominada Costa de Chiapas ha sido afectada por algunos periodos de estiaje y por inundaciones, los cuales han causado serios danos economicos y sociales. Se ha considerado al proceso de deforestacion como la principal causa de este hecho. Sin embargo, se debe tomar en cuenta la variacion espacial y temporal de las variables hidroclimatologicas. Con este proposito se ha recolectado la informacion de lluvia, temperatura maxima y minima de 51 estaciones climatologicas para el periodo 1960- 2010, asi como los escurrimientos de 12 estaciones hidrometricas del periodo 1964 a 2005. El analisis de tendencia de las series de tiempo anuales (ano agricola) y estacionales (primavera-verano y otono-invierno) de precipitacion, temperatura maxima, temperatura minima, evapotranspiracion y escurrimientos, se realizo con la prueba estadistica no parametrica de Mann-Kendall. Se detecto que la mayor parte de la Costa de Chiapas presenta tendencias en las series. Estos resultados deberan tomarse en cuenta para adoptar medidas de proteccion contra la ocurrencia mas persistente de las inundaciones pluviales y fluviales, asi como las medidas de mitigacion contra el incremento de las temperaturas maximas que afectan la salud de los seres vivos, y de la evapotranspiracion que incrementa la demanda de agua en la agricultura. EnglishThe region called Chiapas Coast has been affected by some periods of drought and floods, which have caused serious economic and social damage. It was considered to deforestation as the main cause of this. However, we consider the spatial and temporal variation of hydroclimatic variables. For this purpose it has been collected the information of rainfall, maximum and minimum temperature of 51 weather stations for the period 1960-2010 and 12 runoff gauging stations for the period 1964-2005. The trend analysis of annual time series (agricultural year) and seasonal (spring-summer and autumn-winter) of precipitation, maximum temperature, minimum temperature, evapotranspiration and runoff, performed with the nonparametric statistical test Mann-Kendall. It was found that most of the Chiapas Coast presents trends in the series. These results should be taken into account to take protective measures against the most persistent occurrence of pluvial and fluvial flooding and mitigation measures against the increase in maximum temperatures that affect the health of living beings, and evapotranspiration increases the demand for water in agriculture.

Análisis de tendencia de las variables hidroclimáticas de la Costa de Chiapas