Coastal vegetation

Categories / Monitoring systems / Geohidrology

Coastal vegetation



The project Dynamic of coastal beaches and dunes and its participation as an element of stabilization in the morphology of the beach front, aims to monitor the vegetation cover of the backshore of Sisal to understand the effect of the marine dynamics and the depth of the water table in its spatio-temporal distribution, as well as its resilience to storm-wave events.

The objectives of the project are:

The video images allow to monitor the variations in the vegetal cover with a temporary resolution of minutes (images are counted every half hour), allowing to clarify the identification of events resulting in changes in vegetation. The project also involves contributions of researchers from the Faculty of Sciences and the Institute for Research in Applied Mathematics and Systems (IIMAS) both from the UNAM.

For almost a year, electrical resistivity tomographies (ERT) were acquired with the SuperSting R8 / IP equipment using 56 electrodes spaced at 3 m under the dipole-dipole arrangement. Each tomography consisted of 1895 measurements. EarthImager software was used to image the data. Results from September to November 2016 exhibited negative values for apparent resistivity. The evidence indicated that the transect location had some type of interference, so it was relocated 10 meters further east (Figure 1).

Cátedras CONACYT, proyecto 1146 Observatorio costero para estudios de resiliencia al cambio climático.
Instituto de Ingeniería, Proyecto Interno 6602 Dinámica temporal de la vegetación de playas y dunas costeras y su participación como elemento de estabilización en la morfología del frente de playa.

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