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9. Groundwater Dating
https://mysite.science.uottawa.ca/idclark/GEO4342/2009/Groundwater%20Dating.pdf#:~:text=Despite%20advances%20with%20other%20geochemical%20and%20isotopic%20tools%2C,in%20a%20subsequent%20section.%20Tritium%20and%20%E2%80%9CModern%E2%80%9D%20Groundwaters
Groundwater age-dating simplified | U.S. Geological Survey
https://www.usgs.gov/news/groundwater-age-dating-simplified
The method—tritium-based age classification, or TBAC—requires just a single measurement of tritium, along with knowledge of sample date and location. Knowing groundwater age can help water-resource managers determine which contaminants are anticipated to be present or absent in groundwater, allowing more cost-effective use of …
Tracing and Dating Young Ground Water - USGS
https://pubs.usgs.gov/fs/FS-134-99/pdf/fs-134-99.pdf
recharge. Information about the age of ground water can be used to de-fine recharge rates, refine hydrologic models of ground-water systems, predict contamination potential, and estimate the time needed to flush contaminants from ground-water systems. CFCs also can be used to trace seepage from rivers into ground-water systems, provide diagnostic tools
USGS Groundwater Dating Lab
https://water.usgs.gov/lab/3h3he/background/
Groundwater Mixtures--CFCs vs 3 H/ 3 He. Practical applications of environmental tracers to dating young ground water often depend on sampling from pre-existing domestic, industrial, and municipal-supply wells that, because of their construction, intercept relatively large open intervals and can produce mixed waters.
Isotope Methods for Dating Old Groundwater | IAEA
https://www.iaea.org/publications/8880/isotope-methods-for-dating-old-groundwater
Description. This guidebook provides theoretical and practical information on using a variety of isotope tracers for dating old groundwater, i.e. water stored in geological formations for periods ranging from about 1000 to one million years. Theoretical underpinnings of the methods and guidelines for their use in different hydrogeological ...
9. Groundwater Dating
https://mysite.science.uottawa.ca/idclark/GEO4342/2009/Groundwater%20Dating.pdf
Despite advances with other geochemical and isotopic tools, tritium and radiocarbon remain the most accessible and reliable isotopic methods for dating groundwaters. New and interesting radioisotopes are discussed in a subsequent section. Tritium and “Modern” Groundwaters
Dating of 'young' groundwaters using environmental …
https://pubmed.ncbi.nlm.nih.gov/20845177/
Many problems related to groundwater supply and quality, as well as groundwater-dependent ecosystems require some understanding of the timescales of flow and transport. For example, increased concern about the vulnerabilities of 'young' groundwaters (less than ~1000 years) to overexploitation, conta …
5.15 Groundwater Dating and Residence-time Measurements
http://www.ees.nmt.edu/outside/courses/hyd558/downloads/Set_8a_IntroDating/GWDating_ResTime.pdf
5.15.4.2 Radionuclides for Age Tracing of Subsurface Water 460 5.15.4.2.1 Argon-37 460 5.15.4.2.2 Sulfur-35 460 5.15.4.2.3 Krypton-85 461 ... 452 Groundwater Dating and Residence-time Measurements (capillary action) serves to drive flow. In relatively shallow (less than a few kilometers) saturated
Environmental tracers and groundwater dating | British ...
https://www2.bgs.ac.uk/groundwater/dating/home.html
Environmental tracers and groundwater dating The BGS is the UK's leading organisation for groundwater dating and tracing. We use a wide range of environmental agents for this work including CFCs, SF6, tritium, radiocarbon and stable isotopes. Some of our recent work includes: characterising the isotopic fingerprint of phosphorus in drinking water
(PDF) Approaches for ground-water dating
https://www.researchgate.net/publication/236147493_Approaches_for_ground-water_dating
ground-water age. Dating methods that depend in part on solubilities of atmospheric gases in ground water (CFC, SF 6, and to a lesser extent, 3H/3 He dating) require evaluation of …
Lecture 7 -- Young Groundwater Dating - Methods
http://www-naweb.iaea.org/napc/ih/e_learning/ITC%20Nov%202013/Lecture%207%20--%20Young%20Groundwater%20Dating%20-%20Methods%20(Web)/index.html
Lecture 7 -- Young Groundwater Dating - Methods. International Training Course on the Use of Isotope. Vienna, 4-15 Nov. 2013. Dating of Young Groundwater. — Methods. Prof. Werner Aeschbach-Hertig.
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