How soon will the drought be over?
Rain has returned to parts of the UK this week but is it enough to end the drought some regions are facing?
Many people are wondering when the drought will end and how much rain is needed for things to return to normal. However, a drought does not simply end with a few days of rain. Water must replenish rivers, reservoirs, and the soil before conditions return to normal, which can take months. Scientists emphasize that the key question is not whether it has rained, but whether water resources have recovered.
Dr Katie Facer-Childs from the UK Centre for Ecology & Hydrology explains that the drought has taken multiple forms this year, including meteorological, soil moisture, and river flow droughts. While groundwater and reservoir levels have not yet reached severe drought levels, recovery from the environmental impacts could take years.
Experts suggest that sustained rainfall over months is necessary for replenishment. If the autumn rains do not arrive or are insufficient, the government needs to prepare for a worst-case scenario, where the rains do not return in sufficient amounts this winter, and the next summer is similar to the last two. The UK is expected to face more frequent swings between droughts and floods due to climate change, making it harder to manage water supplies, agriculture, and infrastructure.
Written by urgent.news from BBC Science's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
