Core Viewpoint - The resurgence of a long-dry well in Zhengzhou's Jialu River area has attracted significant public interest and is seen as a symbol of ecological recovery and improved groundwater management in the region [12][19]. Group 1: Well Resurgence Details - A well that had been dry for 32 years began to flow again on December 3, 2023, initially at a rate of a few cubic meters per hour, which stabilized at around 100 cubic meters per hour [12][13]. - The resurgence has transformed the surrounding area, with the river width increasing from less than 3 meters to nearly 10 meters and a depth approaching 3 meters [12][13]. - The water temperature from the well is approximately 30 degrees Celsius, although water quality is currently not suitable for drinking due to some indicators exceeding standards [13][18]. Group 2: Historical Context - The Jialu River has a rich history, dating back to the Warring States period, and has undergone significant water management efforts over the centuries [15]. - Historical records indicate that the area was once abundant with springs, which have dried up due to mining activities and groundwater depletion since the 1990s [14][15]. Group 3: Factors Behind Resurgence - The resurgence is attributed to a combination of geological, ecological, and meteorological factors, including improved groundwater recharge and ongoing ecological restoration efforts [16][18]. - The area has unique hydrogeological conditions that facilitate the flow of karst groundwater, which has been positively impacted by the cessation of mining activities [17][18]. - Increased rainfall since 2021, approximately 30% above average, has also contributed to the replenishment of groundwater resources [18]. Group 4: Broader Ecological Impact - The resurgence of the well is part of a larger trend in Henan province, where other water bodies have also seen increased flow, indicating successful ecological governance and water resource management [19][20]. - Zhengzhou has implemented a comprehensive water resource management system, which includes the use of reclaimed water and has significantly improved groundwater levels in recent years [20][21]. - The province has seen a notable increase in the proportion of good water quality in surface water and a decrease in pollution levels, reflecting broader environmental improvements [21].