Respuesta de las playas de arena naturales, modificadas y artificiales a la elevación del nivel del mar
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https://doi.org/10.18172/cig.5184Palabras clave:
Playas de arena, elevación del nivel del mar, impacto antrópicoResumen
Las playas de arena se encuentran en una amplia variedad de entornos ambientales y como componentes de una amplia gama de tipos de sistemas costeros. Estas variaciones entre playas implican diferencias significativas en su comportamiento a mesoescala (escala de longitud de multi-década a kilómetros), incluyendo su respuesta al aumento del nivel del mar. Además de esta variabilidad natural, el grado en el que el sistema de playa de arena ha sido o será modificado por los seres humanos es importante en la respuesta al cambio del nivel del mar. A partir de un espectro de tipos de playa, basado en el grado de modificación humana, se consideran tres situaciones (playas naturales, modificadas y artificiales) para demostrar el papel de los humanos como agentes geomórficos a medida que las playas de arena responden al aumento del nivel del mar. Se evalúan las posibles trayectorias de cambio y se presentan y discuten escenarios futuros. Las playas naturales tienen más probabilidades de sobrevivir al aumento del nivel del mar, mientras que el destino de las playas artificiales depende casi por completo de la política y la economía. En todas las categorías de playa, la toma de decisiones humana es el determinante más importante en la respuesta de la playa de arena al aumento del nivel del mar.
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