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首页> 外文期刊>Journal of Volcanology and Geothermal Research >Measuring pressure in the source region for geysers, Geyser Valley, Kamchatka
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Measuring pressure in the source region for geysers, Geyser Valley, Kamchatka

机译：测量堪察加州间歇泉间歇泉源区的压力

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摘要

Liquid water and steam that erupt at geysers are provided from deeper reservoirs, whose location, geometry and pressure are in general poorly known. Here we report measurements at two geysers from a field experiment in Geyser Valley, Kamchatka, designed to measure pressure in the reservoir providing water to the geysers. Water level in the geyser conduit was controlled, and the recharge to the geyser conduit was measured by monitoring the discharge needed to maintain the controlled water level. Recharge is not constant, but depends on water level in the geyser. From the relationship between water level in the conduit and recharge to the conduit, we can estimate the hydraulic head in the reservoir that supplies water to the geyser. Hydraulic head in the two studied reservoirs is within a couple of meters of the elevation of the geyser vents and the adjacent rivers. Pressures in the reservoirs are low enough that the reservoirs should not be prone to hydrothermal explosions, and explain why flooding of geysers in Geyser Valley terminated their eruptions.
机译：从间歇泉喷出的液态水和蒸汽是从较深的储层中提供的，这些储层的位置，几何形状和压力通常鲜为人知。在这里，我们报告了来自堪察加间歇泉谷的两个间歇喷泉的测量结果，该实验旨在测量向间歇泉供水的储层中的压力。控制间歇喷泉管道中的水位，并通过监测维持受控水位所需的排放量来测量间歇喷泉的补给量。补给不是恒定的，而是取决于间歇泉中的水位。从导管中的水位与导管的补给量之间的关系，我们可以估算出向间歇泉供水的水库中的水头。两个被研究的水库中的水头都位于间歇泉喷口和邻近河流高程的几米之内。储层中的压力足够低，以至于储层不容易发生热液爆炸，并解释了为什么间歇泉谷的间歇泉水浸会终止其爆发。

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