Susceptibility to Flooding of Urban Areas Puerto Vallarta - Mexico

Abstract

The Mexican Pacific coast is frequently affected by meteorological systems that cause rain. These events are beneficial when they precipitate in the internal valleys of the basins and water is captured from the highlands by filtration, recharging the aquifers, and allowing surface runoff through rivers and runoffs that are the natural sources of freshwater. On the other hand, these systems are adverse when they precipitate in excess, and additionally, they are associated with bad decisions and urban planning errors that put at risk the life and patrimony of some social sectors, this aspect has become a national security issue for the authorities. The region of Bahia de Banderas has a rainwater drainage network through open-pit channels that partially cover the urban area, a situation that puts the population and its assets at risk since rain considered common causes significant puddles, a situation that is progressively worsening, but the great danger of an extraordinary amount of rain, as has occurred in the past, is represented by the hydrological basins that cross or are adjacent to it, an aspect that will be discussed in greater detail in this article.

Trend Analysis of Mangrove Forest Health in East Lampung Regency as Community Preparedness for Natural Disasters

“…However, with the conditions and potential of the mangrove forests of East Lampung Regency, they are damaged or degraded due to various problems that exist in them caused by nature and humans. Urbanization and changes in land use have had a direct impact on the destruction of mangrove forests [9]. The negative effects of the dam threaten the mangrove's benefits, functions, and the health condition of the forest.…”