Portal de Cartagena
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"The effects of climate change are leading us to a greater shortage of water resources that we must try to compensate sustainably if we want to maintain a life similar to what we have today."
This is one of the warnings released today by the researcher at the UPCT School of Roads and Mines, Juan Tomás García Bermejo, who has participated today in the COP25 Climate Summit held in Madrid.
The professor, from the Hydraulic Engineering area, has explained sustainable measures to deal with water scarcity and extreme weather events that are expected in the coming years.
According to the specialist in drainage and urban water resources of the UPCT, it is already evident the increase in the frequency of episodes of extreme precipitation causing significant runoff phenomena that produce flooding and the dragging of an enormous amount of sediments into our aquatic environments.
In the Segura basin, according to the professor "we are familiar with both, with scarcity and extreme rainfall and we have adapted for decades but we must continue and we still have a long way to go."
Recovering concepts such as the cistern to store and recycle an important part of the rainwater and contribute to reducing flooding and sediment-laden runoff is part of the typology of sustainable measures that should be implemented in the future, he says. the investigator.
Other semi-arid regions with conditions similar to the Region of Murcia such as California recognize that investing in capturing and recovering water from rain runoff is the most economical water resource.
In this state they are betting heavily on storing runoff water in large reservoirs for aquifer recharge as a sustainable measure, according to García Bermejo.
"The sediment trawls as a result of the DANA precipitation last September were able to exceed 100 grams of sediments carried by each square meter of soil in the Campo de Cartagena and we cannot afford this soil loss," he adds.
We currently have the necessary technology to save water easily, according to the expert.
It is noteworthy «to observe how our supply networks barely lose water thanks to the monitoring by means of sensors, which allows us to locate a water leakage of a flow equivalent to that of an open tap.
This monitoring at the service of the subscriber, known as telelecture, would also serve to improve efficiency in domestic consumption.
García Bermejo has presented several sustainable measures that can 《contribute to reducing scarcity and save more than 10% of the water we consume, â€he adds.
The professor has asked the attendees: «Why can't those who contribute sustainably to alleviate the effects of climate change be compensated?
Why not the one who pollutes the least pays?
For García Bermejo, "Local entities have the regulatory and fiscal tools at their disposal to encourage our cities to make sustainable and virtuous use of our scarce resources and continue to be an example of sustainable use of water in Europe."
Source: UPCT
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