iiinova — where your digital self keeps evolving

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Cate Denial @cjdenial.bsky.social · 15/10/2026

This is a must read for everyone. There are measurable costs to being a woman in academia.

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International Geoethics Research Infrastructure @geoethics.bsky.social · 15/10/2026

HAPPY INTERNATIONAL GEOETHICS DAY 2026! Planet Earth, 15 October 2026 The annual theme for this 10th edition is: Bridging Disciplines, Connecting Responsibilities. www.geoethics.org/geoethics-day #geoethicsday2026 #geoethics #geoetica

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 15/10/2026

Our STREAM fluorometer in our measuring cell provides these data with a high temporal resolution (5 minutes interval). This is something that can't be achieved with sampling. The nice Indian Summer weather is a plus 😍

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 15/10/2026

Collecting data for a tracer test campaign performed for a remediation project. How effective is your soil remediation? How much of the injected product is recovered? What is the residence time and groundwater flow speed? There are questions that can be clearly answered by a dye tracer test.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

SPEAKERS 🔹Dr. Amaël Poulain - Dye tracing in remediation (Life project PFASTER). 🔹Jérome Perrin - Dye tracing in French karst. 🔹Laura Scheere - Dye tracing in a Aquifer Storage and Recovery project in Belgian chalk. 🔹Dr. Nevila JOZJA - Research on the quality and purity of different tracers.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

𝗢𝗡𝗘 𝗠𝗢𝗥𝗘 𝗪𝗘𝗘𝗞! 🥳 𝟮𝟭 𝗢𝗰𝘁𝗼𝗯𝗲𝗿, 𝟮–𝟰 𝗽𝗺 𝗖𝗘𝗦𝗧 TRAQUA will soon be organising the free 𝗗𝘆𝗲 𝘁𝗿𝗮𝗰𝗶𝗻𝗴 𝗶𝗻 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲 webinar. This is our fifth edition, and were thrilled to always have such wonderful presenters with interesting case studies. This year is no different. www.linkedin.com/events/75059...

linkedin.com

LinkedIn Login, Sign in | LinkedIn

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

Many saqiyas have now been replaced by diesel pumps, which are faster but more costly and polluting. However, some animal powered wheels still turn along quieter stretches of the Nile, and conservation organisations are working to preserve them as living water infrastructure.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

For centuries, water was managed as a community resource, with neighbours agreeing on irrigation schedules.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

🔸Water is continuously lifted into channels that irrigate fields and gardens. 🔸This system, known as the saqiya, delivers a constant, high-volume flow along the Nile riverbanks.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

𝗛𝗼𝘄 𝗶𝘁 𝘄𝗼𝗿𝗸𝘀 🔸A vertical wheel fitted with rows of clay pots is located on the riverbank and turns to scoop up water. 🔸An ox or donkey walks in circles to power the wheel.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 14/10/2026

𝗔𝗻𝗰𝗶𝗲𝗻𝘁 𝗪𝗮𝘁𝗲𝗿 𝗪𝗶𝘀𝗱𝗼𝗺: 𝗦𝗮𝗾𝗶𝘆𝗮 - 𝗔 𝗱𝗼𝗻𝗸𝗲𝘆/𝗼𝘅, 𝗮 𝘄𝗵𝗲𝗲𝗹, 𝗮𝗻𝗱 𝟮𝟬𝟬𝟬 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗰𝗼𝗻𝘀𝘁𝗮𝗻𝘁 𝗶𝗿𝗿𝗶𝗴𝗮𝘁𝗶𝗼𝗻 ⚙️🐴🐂 The Nubian saqiya, a water wheel with attached clay pots, remains an important solution to bring water from the Nile to agricultural fields in northern Sudan and southern Egypt.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 09/10/2026

I crushed and powdered so many of them for my master thesis research (stable isotope and trace element analysis for paleoecology reconstruction). #sorrynotsorry 😅

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Reposted by Traqua.be 💧🧪🔦

DailyScience.be @dailysciencebe.bsky.social · 09/10/2026

[Podcast 🎧] Le 5ᵉ épisode de notre nouveau podcast « Tête en l’air » revient sur le déménagement à Uccle de l’Observatoire royal de Belgique, en 1876. podcast.ausha.co/les-podcasts... Avec le soutien du Fonds pour le journalisme de la Fédération Wallonie-Bruxelles (@ajpjournalistes.bsky.social).

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 09/10/2026

Register for the 5th edition of our free webinar "𝗗𝘆𝗲 𝗧𝗿𝗮𝗰𝗶𝗻𝗴 𝗶𝗻 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲" on 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗼𝗳 𝗳𝗹𝘂𝗼𝗿𝗲𝘀𝗰𝗲𝗻𝘁 𝗱𝘆𝗲 𝘁𝗿𝗮𝗰𝗶𝗻𝗴. Case studies include Aquifer Storage and Recovery, ground remediation (PFAS), karst characterisation, and dye tracer qualities. LI event link: www.linkedin.com/events/75059...

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 08/10/2026

We will monitor the water levels during construction to ensure that the new infrastructure does not impact the flow of groundwater. Kudos to Amaël and Maurel for a job well done.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 08/10/2026

Last week, TRAQUA installed new water-level sensors and their supporting tubes to enable continuous monitoring of the water level during the construction of new underground infrastructure.

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Lodewijk van Oord @lvanoord.bsky.social · 05/10/2026

Precies een jaar geleden ging ik in het noorden van Israël op zoek naar het enige overgebleven gebouw van het Palestijnse dorp Birwa. Dit is de basisschool waar de dichter Mahmoud Darwish het Arabische alfabet leerde, voordat hij in 1948 op de vlucht sloeg en zijn geboortedorp werd verwoest.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 07/10/2026

UNESCO status has already blocked one danger: it prevented the construction of a wall cutting through the irrigation system. Living heritage needs active protection, not just a listing.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 07/10/2026

The site is included in the UNESCO World Heritage List. But this living heritage is under pressure. The construction of illegal settlements on the hills that feed the springs threaten the water supply.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 07/10/2026

🔹A timed rotation system called al-Ma‘doud, spread over eight days, ensures water is distributed fairly among the villagers. 🔹Stone terraces and farmed valleys (widians) are used to grow vineyards, olive trees and vegetable gardens.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 07/10/2026

𝗛𝗼𝘄 𝗶𝘁 𝘄𝗼𝗿𝗸𝘀 🔹Natural springs, with Ein El-Balad ⛲being the main one, feed a network of gravity-based channels, much like qanats and aqueducts. 🔹Adjustable stone gates allow farmers to adjust the flow according to the seasons.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 07/10/2026

𝗔𝗻𝗰𝗶𝗲𝗻𝘁 𝗪𝗮𝘁𝗲𝗿 𝗪𝗶𝘀𝗱𝗼𝗺: 𝗕𝗮𝘁𝘁𝗶𝗿, 𝟮𝟬𝟬𝟬 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗶𝗿𝗿𝗶𝗴𝗮𝘁𝗶𝗼𝗻 💧🌿 The ancient irrigation system of Battir, Palestine, is a masterpiece of Roman era engineering and continuous community water management. The village, located between Jerusalem and Bethlehem, is considered a 'living natural museum'.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 05/10/2026

Now, we're waiting for the 𝗵𝗶𝗴𝗵-𝘁𝗲𝗺𝗽𝗼𝗿𝗮𝗹 𝗿𝗲𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻 breakthrough curve results obtained by our 𝗮𝘂𝘁𝗼𝗻𝗼𝗺𝗼𝘂𝘀 𝗦𝗧𝗥𝗘𝗔𝗠 𝗳𝗹𝘂𝗼𝗿𝗼𝗺𝗲𝘁𝗲𝗿𝘀. 🔦 More information here: www.jandenul.com/projects/pfa...

jandenul.com

| Jan De Nul

In Europe about 17,000 sites are contaminated by PFAS. In Belgium as well, we have heavily contaminated sites. Today, we are already tackling this pollution to a large part. At the same time, we keep ...

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 05/10/2026

TRAQUA recently conducted tracer tests to improve understanding of residence times and other hydrogeological parameters for the 𝗣𝗙𝗔𝗦𝗧𝗘𝗥 𝗽𝗿𝗼𝗷𝗲𝗰𝘁. PFASTER is a European LIFE-funded project, coordinated by Jan De Nul Group, which will test 𝗶𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝘃𝗲 𝘁𝗲𝗰𝗵𝗻𝗶𝗾𝘂𝗲𝘀 𝗳𝗼𝗿 𝗣𝗙𝗔𝗦 𝗿𝗲𝗺𝗲𝗱𝗶𝗮𝘁𝗶𝗼𝗻.

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New Scientist @newscientist.com · 03/10/2026

The collapse of the AMOC would be catastrophic. How will we know when it’s coming?

newscientist.com

The collapse of the AMOC would be catastrophic. How will we know when it's coming? | New Scientist

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David Ho @davidho.bsky.social · 02/10/2026

Oh retractionwatch.com/2026/10/02/p...

David Ho, a climate scientist at the University of Hawaii, responded to our request for comment on the paper by saying he was not interested in reading it. “I’m sorry, but I’d rather keep my brain cells,” he said.

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Ketan Joshi @ketanjoshi.co · 02/10/2026

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DailyScience.be @dailysciencebe.bsky.social · 02/10/2026

[La Minute Positive 👀 ▶️] Le projet BELREEFS a pour but de restaurer les bancs d’huîtres plates qui structuraient autrefois les fonds marins belges. 🔗 dailyscience.be/04/08/2026/l... @naturalsciences-be.bsky.social

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

Link to the groundwater recharge study: explore.lib.uliege.be/discovery/fu...

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

However, the presence of groundwater in the upper layers of the Earth's crust, as well as the saturation rate, can also influence the movement of seismic waves through these layers. I had never considered this before, so I found this article quite enlightening.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

From a research project in which TRAQUA was involved, I know that groundwater recharge can be monitored through gravimetry and that groundwater movement can be monitored through microseismic noise. academic.oup.com/gji/advance-...

academic.oup.com

Effects of groundwater level variations on seismic ground motion

Summary. The mechanical properties of Earth’s uppermost layers are seismically relevant because they can modify seismic waves as they pass through them. Th

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

Crustal faults however can also have a major impact on the rate of groundwater recovery, and as a result land uplift. This article shines a light on this effect.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

Land subsidence as a result of groundwater over extraction could be remediated by better management and recharge, but this recovery is often spatially heterogeneous because of subsurface heterogeneity and typically recovers only a fraction of prior subsidence. phys.org/news/2026-09...

phys.org

Cities across the world are sinking because of groundwater depletion, but the process can be reversed

Many cities around the world are sinking because too much water is extracted from the groundwater reservoirs beneath them. This sinking makes these coastal cities more exposed to rising seas as the cl...

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

I love the sense of awe demonstrated by young scientist Uros Jurosevic: "𝘖𝘯𝘦 𝘤𝘰𝘶𝘭𝘥 𝘥𝘦𝘷𝘰𝘵𝘦 𝘢𝘯 𝘦𝘯𝘵𝘪𝘳𝘦 𝘭𝘪𝘧𝘦𝘵𝘪𝘮𝘦 𝘵𝘰 𝘴𝘵𝘶𝘥𝘺𝘪𝘯𝘨 𝘢 𝘴𝘪𝘯𝘨𝘭𝘦 𝘢𝘳𝘦𝘢 𝘢𝘯𝘥 𝘴𝘵𝘪𝘭𝘭 𝘬𝘦𝘦𝘱 𝘥𝘪𝘴𝘤𝘰𝘷𝘦𝘳𝘪𝘯𝘨 𝘴𝘰𝘮𝘦𝘵𝘩𝘪𝘯𝘨 𝘯𝘦𝘸.”

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

𝗜𝗻 𝗺𝗮𝗻𝘆 𝘄𝗮𝘆𝘀, 𝗴𝗿𝗼𝘂𝗻𝗱𝘄𝗮𝘁𝗲𝗿 𝗶𝘀 𝘀𝗶𝗺𝗶𝗹𝗮𝗿 𝘁𝗼 𝗵𝗼𝗯𝗯𝗶𝘁𝘀: hidden from plain sight, somewhat magical yet very down-to-earth, full of surprises even after many years of study, and with the potential to save us all.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 02/10/2026

Fans of The Lord of the Rings might remember this quote by Gandalf: "𝘔𝘺 𝘥𝘦𝘢𝘳 𝘍𝘳𝘰𝘥𝘰, 𝘏𝘰𝘣𝘣𝘪𝘵𝘴 𝘳𝘦𝘢𝘭𝘭𝘺 𝘢𝘳𝘦 𝘢𝘮𝘢𝘻𝘪𝘯𝘨 𝘤𝘳𝘦𝘢𝘵𝘶𝘳𝘦𝘴. 𝘠𝘰𝘶 𝘤𝘢𝘯 𝘭𝘦𝘢𝘳𝘯 𝘢𝘭𝘭 𝘵𝘩𝘦𝘳𝘦 𝘪𝘴 𝘵𝘰 𝘬𝘯𝘰𝘸 𝘢𝘣𝘰𝘶𝘵 𝘵𝘩𝘦𝘮 𝘪𝘯 𝘢 𝘥𝘢𝘺, 𝘢𝘯𝘥 𝘺𝘦𝘵 𝘢𝘧𝘵𝘦𝘳 𝘢 𝘩𝘶𝘯𝘥𝘳𝘦𝘥 𝘺𝘦𝘢𝘳𝘴 𝘵𝘩𝘦𝘺 𝘤𝘢𝘯 𝘴𝘵𝘪𝘭𝘭 𝘴𝘶𝘳𝘱𝘳𝘪𝘴𝘦 𝘺𝘰𝘶." www.unesco.org/en/articles/...

unesco.org

Explore the hidden world of groundwater through the eyes of a young

Meet Uroš Jurošević, a hydrologist and the youngest expert within the DIKTAS II project, and discover his passion for studying and protecting karst systems.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 01/10/2026

Hydrogeology 101. Measuring piezometric levels.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 01/10/2026

*Correction: It's Paleozoic Bedrock (Brabant Massif). We've got other projects in crystalline rock 😅

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 01/10/2026

Our STREAM fluorometers, which are autonomous and installed in a pressurised bypass system, provide data with a much higher temporal resolution compared to manual sampling, offering even more refined results.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 01/10/2026

Traditional hydraulic tests and borehole investigations alone cannot fully characterise the complex connectivity and preferential flow paths in such systems. Combining tracer tests with hydraulic data enables the study to calibrate effective porosity and dispersivity, improving models.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 01/10/2026

This week, we started another tracer test campaign for an Aquifer Thermal Energy Storage (ATES) project in the crystalline rock of Brussels. Fluorescent tracer testing can be used to calibrate and refine hydrothermal models for ATES systems in fractured aquifers.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

𝗔 𝗹𝗮𝘀𝘁𝗶𝗻𝗴 𝗹𝗲𝗴𝗮𝗰𝘆 Many of these aqueducts, such as the Pont du Gard and the Segovia Aqueduct, still stand today and are recognised as UNESCO World Heritage Sites. Their maintenance was so important that Rome appointed a Curator Aquarum (Water Curator) to oversee them.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

💧 𝙈𝙖𝙩𝙚𝙧𝙞𝙖𝙡𝙨: the infrastructure was built from stone, brick and pozzolana (a volcanic cement), with lead (later clay) pipes transporting the water.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

𝗛𝗼𝘄 𝗱𝗶𝗱 𝘁𝗵𝗲𝘆 𝘄𝗼𝗿𝗸? 💧 𝙂𝙧𝙖𝙫𝙞𝙩𝙮-𝙥𝙤𝙬𝙚𝙧𝙚𝙙: aqueducts maintained a gradient of just a few centimetres per kilometre to ensure a steady flow. 💧 𝘽𝙪𝙞𝙡𝙩 𝙩𝙤 𝙡𝙖𝙨𝙩: underground tunnels protected the water from contamination, while sedimentation basins filtered out impurities.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

Between 312BC & 226AD, they built over 200 aqueducts, using elevated canals, bridges and impermeable materials such as limestone concrete. Rome was supplied by 11 aqueducts, with some carrying water from as far as 92 km away. Constantinople’s system was even more impressive, stretching 426 km.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

𝗪𝗮𝘁𝗲𝗿 𝗰𝗵𝗮𝗻𝗻𝗲𝗹𝘀 𝘁𝗵𝗮𝘁 𝘀𝘂𝗽𝗽𝗼𝗿𝘁𝗲𝗱 𝗮𝗻 𝗲𝗺𝗽𝗶𝗿𝗲 Early civilisations relied on local springs, rivers and rainwater cisterns. The Greeks improved upon this concept by constructing underground tunnels. However, it was the Romans who completely revolutionised it.

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Traqua.be 💧🧪🔦 @traqua.eurosky.social · 30/09/2026

These aqueducts were the arteries that brought fresh water from springs to cities, public baths, fountains, and private homes, often over large distances, using a well calculates, precise incline and gravity.

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