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(DIC: measured, carb: carbonate dissolved (0‰), soil: soil air (-23‰) this simple model is also only strictly valid for closed conditions and does not take into account fractionation effects (low p H environments) more complex models taking into account the chemical and isotopic evolution have been developed (e.g.

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Place a tape seal around the cap/bottle joint to ​​​prevent exchange or loss of CO2 from the water.– Please mark the bottle with the appropriate sample identification number in indelible ink or on a non-removable tamper-proof label.– Measure the p H upon collection and send the info to us (not required).​– There is no need to refrigerate stored water samples.– Do not add any chemicals to the water upon collection.

Depending on the depth of the well, this may be several minutes or longer.3.

Allow the well water to flush out the inside of the bottle thoroughly and then dump the contents prior to ​re​filling.4.

This post is inspired by a real-life issue I'm dealing with, and there are so many possibilities, I figured it would make a great early August chew toy for the group. If our global civilization isn't going to shatter under the strain of increasingly weird weather, it's going to need to massively adapt.

To give you an idea of the scope of the problem, I'll use the mundane example of my household in San Diego, where we're committed to partially decarbonizing over the next 5 years.

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