ASSESSMENT OF A NATURE-BASED STRUCTURE TO MANAGE COASTAL DUNE EROSION IN YUCATAN, MEXICO

  • Mariana Gonzalez Leija Universidad Anáhuac Mayab
  • Soffa Fregoso Lomas Universidad Anáhuac Mayab

Abstract

In Yucatan , one of the main causes of coastal erosion is the use of "remedy" measures (groins or "espolones") by communities whom refuses to eliminate them (Medellin, 2015, Ruiz,2016). The erosion management approach has been dominated by engineering schemes resulting in beach values degradation and despite the development of recovery programs, no actions for protection/restoration of coastal ecosystems particularly , dunes have never been undertaken. In addition , dune flattening and vegetation elimination are common practices associated to coastal land use. Today , 56.1% of coast lacks of any type of dune/vegetation and 32% of sandy beaches are <10 m, increasing vulnerability to erosion and other natural hazards (Cuevas, 2016) . In this sense, the use of solutions designed to harness and mimic natural processes are emerging as an innovative approach for ecosystem restoration and erosion management. This work assessed a nature­ based structure (NBSt) capacity for dune building due to wind-blown sand accumulation and vegetation expansion for potential applications on erosion management.

References

Cuevas et.al. (2016) Classification of Beach Erosion Vulnerability on the Yucatan Coast. Coastal Management, 40(4) :333-349.

Medellin et.al. (2015) The influence of a seawall on postnourishment evolution in a sea-breeze-dominated microtidal beach. Journal of Coastal Research, 31(6); 1449-1458.

Raygosa et.al. (2016) Design and initial testing of a piezoelectric sensor to quantify Aeolian sand transport. Aeolian Research 22 :127-134

Ruiz et.al (2016) Identifying Coastal Defence Schemes through Morphodynamic Numerical Simulations along the Northern Coast of Yucatan , Mexico. Journal of Coastal Research 32(3): 651 - 669.

Published
2018-12-30
How to Cite
Leija, M. G., & Lomas, S. F. (2018). ASSESSMENT OF A NATURE-BASED STRUCTURE TO MANAGE COASTAL DUNE EROSION IN YUCATAN, MEXICO. Coastal Engineering Proceedings, 1(36), structures.57. https://doi.org/10.9753/icce.v36.structures.57