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The beginning stages of any construction project can present various challenges that may affect its success. Addressing these issues early on, from site selection to budget constraints, is crucial. One particular concern is understanding the subsurface geology and potential anomalies that can impact construction. That's where Electrical Resistivity Imaging (ERI) comes in. This blog post will explore how ERI can be a game-changer in construction projects, ensuring informed decision-making, preventing delays, and mitigating safety hazards.
Groundwater is a favorite topic of ours here at Advanced Geosciences. There is just so much to discuss! Not only is groundwater exploration an everyday use of electrical resistivity imaging (ERI), but understanding groundwater can reshape our relationship with an invaluable resource. This time, we want to look at groundwater discharge and the delicate balance it serves on a global scale.
Underground aquifers are layers of sediments or fractured...
On our blog, we’ve covered 1D, 2D, and 3D Electrical Resistivity Imaging (ERI) surveys numerous times. We’ve made general comparisons and even compared how useful each is for groundwater exploration. One type of survey we don’t talk about is 4D ERI. Let’s talk about that today. So, what is a 4D ERI survey?
We’ve discussed groundwater several times on our blog and educational series. We’ve discussed how to find it and shared a few successful cases of finding it with ERI techniques. We’ve also compared 1D, 2D, and 3D survey types in a...
Our Madrid office hosted a webinar last month, which covered the topic of mining. We understand that it can be hard to find the time to attend these webinars, so we archive our webinars on our blog. Do you want access to these videos sooner or want to watch our next webinar live? Sign up for webinar alerts from us so that you get an early invitation email. Seats are often limited so signing up for alerts is the best way to experience our webinars live!
Our Madrid office hosted a webinar last month, which covered the topic of mining. We understand that it can be hard to find the time to attend these webinars, so we archive our webinars on our blog. Do you want access to these videos sooner or want to watch our next webinar live? Sign up for webinar alerts from us so that you get an early invitation email. Seats are often limited so signing up for alerts is the best way to experience our webinars live!
We’ve covered the ASTM G57 soil test and IEEE standard grounding test on the blog before. In many cases, these standards will be your go-to solution for your soil test/grounding project. However, in some cases—the ASTM or IEEE tests show too high values so grounding wells need to be installed for power systems. Dry and arid soils typically found in desert environments can often produce these kinds of results.
In order to get a more accurate reading of...
In a previous post, we briefly spoke about the difference between 1D, 2D, and 3D Electrical Resistivity Imaging (ERI) surveys. In our recent blog post about the amount of channels you need for your Resistivity system, we touched upon the two types of 3D ERI surveys one can do—that is, true cross line measured 3D and linear-measured 3D. Let’s dive deeper into this topic and see what the difference is between the two types—and which is better suited for your...
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