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The magnitude of trends across the region shows a significant increase for spring season (0.742) followed by winter season (0.353).

The negative trends were observed for more than 43% of wells for the autumn season followed by the summer season (less than 40%). The results obtained by applying the ITA show a general positive trend for groundwater level over 50% of wells for winter and spring seasons and annual values. The data used are sourced from 71 hydrogeological wells that were dug between 19 and cover an area of over 8000 km 2 developed in the temperate continental climate in the north-eastern part of Romania. Innovative trend analysis method (ITA) was used to identify these trends, and ITA index was calculated to measure their magnitude. The evolution of groundwater levels is difficult to predict over medium and long term in the context of global climate change.