人类活动会影响火山吗?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 07 - 09 - t11:55:09z //www.hoelymoley.com/feeds/question/7970 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/7970 10 人类活动会影响火山吗? silvascientist //www.hoelymoley.com/users/5949 2016 - 05 - 08 - t02:17:55z 2018 - 10 - 28 - t07:21:06z < p >自然灾害作为课程的一部分,我有一群表示,我们专注于一个特定的自然灾害。我们必须解决的一个问题就是人类活动可能影响了地理区域和/或灾难。我们组的话题是火山,集中在1980年的圣海伦火山喷发。我的问题是,这是可能的吗?< / p >

The closest I can think of is human-induced seismic activity, due to fracking or wastewater injection, for example. However, I do not know if this could conceivably also affect in any way nearby volcanism. I also don't think there are or have been any oil-related activities around Mount St. Helens, but I really don't know for sure. So, is this possible?

//www.hoelymoley.com/questions/7970/-/7971 # 7971 10 戈登斯坦格回答的人类活动会影响火山吗? 戈登斯坦格 //www.hoelymoley.com/users/4507 2016 - 05 - 08 - t09:56:25z 2016 - 05 - 08 - t09:56:25z < p >我想你了“短草”!随着灾害、火山有最少的与人类活动有关。基本上,火山是板块构造的产物,经营规模远远大于人类对地球的影响。至少一本书有关地震、火山和人类的影响,但链接是脆弱的。的观点是这样的:人类修改由抽水水位,将水、建造水坝等。也由人类活动引起的气候变化导致海平面上升。增加了静水压力在地上“润滑”故障的飞机制造较小但更频繁的地震。在火山附近,有更多的地下水中增加水蒸气/岩浆房附近,因此挥发物的活性增加,导致火山喷发。< / p > < p >这都是投机的,和大多数地质学家怀疑这些影响是否显著,甚至如果他们存在。我认为你将有一个艰巨的任务提供支持证据。< / p >

On the other hand there is passive interaction in that many terrestrial volcanoes in wet climates produce vast quantities of volcanic ash that weathers rapidly to produce fertile soil. This fertility attracts farming communities who put themselves in harms way, being at risk from hot ash clouds, hot lava, volcanic bombs and mudflows. The latter are produced by hurricane level rainfall mobilizing the loose ash, such that mudflows (or 'lahars') kill far more people than the volcanoes themselves - we have seen many examples in the news in recent decades - in South and Central America, Indonesia, Philippines, etc.

The Mount St. Helens eruption was caused by the Juan de Fuca tectonic plate subducting under North America. It's a 100% natural process, with no human causation whatever.

There are no known cases of fracking having any impact upon volcanoes. Can you imagine any fracking company taking the legal risk of setting off a volcanic eruption? In any case, the basic geology of volcanoes and hydrocarbon bearing sediments is quite different.

//www.hoelymoley.com/questions/7970/-/7977 # 7977 7 答案由马特·霍尔的人类活动会影响火山吗? 马特·霍尔 //www.hoelymoley.com/users/28050 2016 - 05 - 09 - t13:07:32z 2016 - 05 - 09 - t19:13:25z < p > <强>是的。人类活动可能引起火山爆发,尽管是间接的。无论如何,人类活动影响火山灾害在其他几个方面。< /强> < / p > < p >首先,让我们来看看人类如何会引起火山爆发。< / p >

Humans affect climate, and climate affects volcanos

Kutterolf et al. (2012) showed recently that climate affects the frequency of volcanic eruptions, chiefly through changes in global sea-level and isostatic effects. Ice unloading can also trigger eruptions in places like Iceland, as researched by Sigmundsson et al. (2010). So it seems highly likely that human-caused climate change will affect the frequency of volcanic eruptions, although according to one of the scientists:

We predict there's a time lag of about 2,500 years," [co-author] Jegen said. "So even if we change the climate, you wouldn't really expect anything to happen in the next few thousand years."

The lead author adds:

The impact from man-made warming is still unclear based on our current understanding.

Clearly this climate cause is rather indirect. And certainly the extent to which it's an issue today is open to debate. As you suggest, there may be some others causes. But, either way...

Humans affect disasters even if they don't cause them

Humans can contribute to disasters in other ways than being the root cause of the natural phenomenon. They are relevant to how natural phenomena affect humans; if they don't affect humans, we don't call them 'disasters'. Think about things like the following:

  • How we educate people about natural hazards that might affect them.
  • How we design early warning and emergency response systems.
  • Where we choose to build our dwellings.
  • Where we build transportation and other support systems.
  • How we manage forests and farming.

Read about hazard evaluation, monitoring, and avoidance, for example around famous recent eruptions. Some of these, such as Montserrat, are especially well studied. This BGS page has some more info on that volcano.

A couple more things

Humans almost certainly had something to do with a mud volcano eruption, which displaced thousands of people in Indonesia in 2006: the Lumpur Lapindo eruption, which is coming up on its 10th anniversary. Read my article from it's 8th birthday, and see this question. Obviously, this is a completely different kind of volcano.

If you want to start an eruption, Erik Klemetti (a legit vulcanologist) has some tips.

Reference

Kutterolf, S., M. Jegen, J. X. Mitrovica, T. Kwasnitschka, A. Freundt, P. J. Huybers (2012): A detection of Milankovitch frequencies in global volcanic activity. Geology, G33419.1, DOI 10.1130/G33419.1. Read more.

Sigmundsson, Freysteinn, Virginie Pinel, Björn Lund, Fabien Albino, Carolina Pagli, Halldór Geirsson, Erik Sturkell (2010). Climate effects on volcanism: influence on magmatic systems of loading and unloading from ice mass variations, with examples from Iceland. Phil. Trans. R. Soc. A 2010 368 2519-2534; DOI: 10.1098/rsta.2010.0042.

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