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  • Groundwater Resources Recharge Faster than Previously Estimated

    New research sheds light on the connection between groundwater and surface water fluxes. The findings show a higher-than-estimated percentage of groundwater returning to the surface via river flow or when used by vegetation. The higher recharge rates suggest that natural phenomena, such as evapotranspiration and streamflow, depend on groundwater much... read more...

  • Could groundwater drilling solve the drought problems in the Horn of Africa?

    Climate change continues to make it mark in Africa, disrupting weather patterns and in some cases, making them more extreme. The Horn of Africa is facing the threat of a fifth consecutive failed rainy season – and that’s brought with it frequent devastating droughts. But a solution could be much... read more...

  • Groundwater off Malta could provide potable water for 75 years

    Scientists believe that offshore freshened groundwater below the seafloor off the Maltese islands could provide potable water for 75 years. Offshore freshened groundwater is groundwater with salinity below that of seawater that is stored in sediments and rocks below the seafloor. However, most of this groundwater appears to be hosted... read more...

  • Using satellites to track groundwater depletion

    A major cause of land subsidence is the removal or disturbance of groundwater in soil and between rocks and sand found underground. Because subsidence often makes areas uninhabitable, these conditions can cause water and food insecurity, and potential political issues. To help investigate solutions, researchers are using satellite radar altimetry with... read more...

  • New year’s message from our President

    Dear Colleagues, Happy new year! At the United Nations Groundwater Summit in Paris this December, IAH members from all over the world brought pictures, stories, and actual groundwater samples from their home countries. The groundwater was mixed together symbolically, to demonstrate that groundwater can unite people, and that it is... read more...

  • Earth’s oldest remaining groundwater aged at 1.2 billion years old

    An international team of researchers have discovered 1.2-billion-year-old groundwater 2.9 km below the earth’s surface in a gold- and uranium-producing mine in Moab Khotsong, South Africa, shedding more light on how life is sustained below the Earth’s surface and how it may thrive on other planets. The researchers found large... read more...

  • St Kitts and Nevis Minister Addresses The UN-Water Summit On Groundwater At UNESCO

    The Hon. Konris Maynard of St. Kitts and Nevis addressed the UN-Water Summit on Groundwater held at UNESCO, Paris. He spoke of the chronic paucity of groundwater supplies in St. Kitts and Nevis and across the entire Caribbean, a situation that has intensified as a result of climate change. St. Kitts... read more...

  • December News and Information magazine

    The December 2022 edition of “News and Information” is now available to read. As well as looking back on the year for groundwater, it features the usual mix of news, reports and calls, resources and competitions; event and other listings, all from the global IAH “family”. We are happy to... read more...

  • Some groundwater resources near major river deltas could run dry in the next 200 years

    From the Mississippi to the Niger, river deltas have long drawn people and industry, both with a seemingly unquenchable thirst for fresh water. Much of that water is drawn from underground aquifers deep beneath the sprawling delta systems. But for how much longer? Using computer models to assess these groundwater... read more...

  • Albino Medeiros, 1959-2022

    It is with deep regret that we announce the passing away of the distinguished hydrogeologist, respected colleague and esteemed friend Albino Luiz de Carvalho Medeiros (1959-2022) on the 4th of December. Albino Medeiros began his career in 1972 as an office helper in a prestigious well drilling company in Lisbon... read more...

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