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  • Rail construction loses huge volume of bentonite to UK Chalk aquifer

    Vast amounts of bentonite slurry have been lost to the Chalk aquifer during the construction of the high-speed rail link. Monitoring has shown significant effects on pH, turbidity and other water quality parameters. Although long term impacts may be limited, changing climatic conditions could remobilise the lost bentonite causing it... read more...

  • Watch Live: 2021 IAH Annual General Meeting (AGM/General Assembly)

    IAH members can watch IAH’s General Assembly (AGM) live from the 48th IAH Congress in Belgium. This will be taking place on Tuesday 7th September from 16:45 BST with videos (17:55 CET), then on to the meeting itself at approximately 17:15 BST (18:15 CET). All via private YouTube stream link,... read more...

  • Make a Difference in Groundwater

    São Paulo-Brussels Groundwater Declaration – shared challenges, share the will worldwide! In this year, 2021, when the International Association of Hydrogeologists (IAH) has two international congresses, IAH National Chapters in Brazil and Belgium, along with the IAH Executive Committee, Associação Brasileira de Águas Subterrâneas (ABAS), and Asociación Latinoamericana de Hidrología... read more...

  • Results of IAH Elections

    Thank you for voting in the elections for the Vice President, Science and Programme and Vice President, Asia Region. The proportion of members who participated in the elections was 26.1% (1072 registered members at this time) which is a little higher than for the full elections that took place in... read more...

  • “I Know What Will Be Lost”: Ranchers Dispute Best Use Of Groundwater

    In an area of cornfields and oil wells in Wyoming there is also a secret world where cattle have been raised since the late 1800s. Groundwater seeps up to form creeks, essential for growing grass for herds, but climate change has increased the likelihood of disputes over even small water... read more...

  • Read our August News and Information magazine

    The August 2021 edition of “News and Information” is now available to download. 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 consider possible news articles from our members and others in groundwater-related professions.... read more...

  • Punjab groundwater level dips 1m every year

    Punjab Agricultural University research from 1998 to 2018 has found groundwater that was at three to 10 metres has fallen to below 30 metres in two decades. The Punjab government’s push for farm diversification has yielded little result and the pre-monsoon (June) data for 20 years shows the adverse impact... read more...

  • IAH in progression – survey

    Introduction The Forward Look Action Plan (2011-20) arose out of consultations with Council and IAH members, including a meeting of volunteers. Actions were set out under five headings: Education and academic development Internal development of IAH Informing and influencing global policy Enhancing alliances with external agencies Developing the science of... read more...

  • Yellowstone’s most famous geyser could shut down, with huge ramifications

    Old Faithful, Yellowstone National Park’s most famous geyser, is a sight to behold, shooting tens of thousands of litres of boiling water hundreds of feet into the air almost every hour. But a new climate assessment and a recent study have shown that rising temperatures, reduced snowfall and increased rain... read more...

  • Iran is draining its aquifers dry

    Iran is using more groundwater than can be naturally recharged, according to an analysis of national data. And even as more wells are tapped into the ground each year, their overall output keeps dropping. Groundwater amounts to 60% of the country’s total supply and is consumed almost entirely by agriculture.... read more...

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