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Questions tagged [human-influence]

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6
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2answers
51 views

Aren't fresh water deposits renewed by water cycle?

I have recently watched "How Many People Can Live on Planet Earth?" documentary with David Attenborough. In it, in the main factors that will limit total human population Earth can support the limited ...
1
vote
1answer
42 views

Could dust blown up by a comet impact render the air unbreathable?

In the docudrama Super Comet After the Impact, the impact is shown to have made the air within a few miles of it unbreathable, and humans need gas masks to breath in this area. How realistic is this? ...
3
votes
1answer
68 views

How did the Rhine originally look like? (before human intervention)

For personal reasons I decided to examine the shape and formation of the Rhine. Unfortunately though, the Rhine has long been diverted from its original course by human intervention, so I tried to ...
5
votes
1answer
123 views

Confused about whether physical impact is 'erosion'

When I dropped a stone or a crystal onto the floor, can it be considered as erosion? What is the difference between rocks breaking due to natural disturbances vs human action? Here is the stone/...
2
votes
0answers
43 views

What regions of the US will have *improved* climate given current predictions of climate change?

This is really a two part question: 1) Is there a good model for mapping climate conditions in a particular location to pleasantness or livability or something like that? 2) If there is such a model,...
5
votes
1answer
83 views

With humans out of the equation, what could cause forest fire?

Absent human activity, what does cause forest fires? I mean aside from lightning strikes, which are usually accompanied by water in the form of rain, and very rare events like volcanic eruptions or ...
1
vote
2answers
111 views

How much mass has humanity added to the planet?

If anyone could work out how much mass (not weight :) ) have humanity added to the Earth, seeing that the LHC (atlas, I believe, weighs 7000 tonnes), and the Three Gorges dam in China slowed the Earth'...
22
votes
7answers
8k views

Does human body temperature impact climate change?

The human body temperature is about 37 °C (99 °F), so as the population increases does this cause the Earth's temperature to rise?
1
vote
2answers
112 views

Why is it good scientific practice to 'build' a 'control Earth' from models, and where else do we 'build' controls?

Usually, when data is collected in an experiment, scientists have a control. Experiments are seen as flawed without controls. I am just curious as to where else scientists have 'built' controls using ...
13
votes
2answers
408 views

What are those arrowlike underwater structures for?

Looks like it has something to do with fishing: Google maps link
9
votes
1answer
132 views

Do humans cause a DST-related shift in average daily temperatures?

Inspired by the title to this question, is there a shift in average daily temperatures caused by the DST change in human activities? I can picture any number of mechanisms by which a shift could ...
6
votes
1answer
676 views

Rate of climate change with and without humans?

I was watching this interview of Bill Nye on Fox News. Bill claimed that the earth's climate is never in equilibrium, but human activity has caused the gradient to be much higher than it would've been ...
4
votes
1answer
35 views

Where can I find a data set containing wetland loss by decade

I am trying to find a reputable source that lists how many acres of wetland are destroyed each year on average in each decade, specifically in the Continental US. I found some secondary sources, but ...
9
votes
3answers
12k views

Can human activity affect volcanoes?

As part of a course on Natural Disasters, I have a group presentation in which we focus on a specific natural disaster. One of the questions we have to address is how human activity may have affected ...
6
votes
2answers
338 views

About an alternative type of wind energy facility

Many people seem to complain about large wind farms. Instead of all that, there are many cities with all their tall buildings that actually 'magnify' the wind or augment it. Even corridors through a ...
8
votes
2answers
109 views

Earthquakes in Oklahoma influenced by Humans?

I'm currently living in Oklahoma, and there has been an abnormal amount of earthquakes lately, by abnormal I mean more then 5 in a day(not sure if that's normal or not).. I've also been told that in ...
12
votes
2answers
621 views

Is it possible to prevent high magnitude earthquakes by induced earthquakes?

As we know, earthquakes can be induced by human activities. Can we induce earthquakes around faults regularly so that the energy releases regularly, and hence prevent high magnitude earthquakes by ...
2
votes
0answers
816 views

Day and night effects on Natural Enviroment [closed]

What are the effects of "day" and "night" on natural environment,including life of humans,animals,plants and other creatures (as well as effects on biochemical reactions in the nature)? Can anyone ...
2
votes
0answers
28 views

What are the impacts of pollutants from North America and elsewhere on Arctic wildlife?

What are the impacts of pollutants from North America and elsewhere on Arctic wildlife?
11
votes
1answer
959 views

Did the Neolithic Revolution have an effect on the earth's climate?

I imagine that human agriculture had a major effect on the composition of flora across the planet's surface. Did the transition from gathering to growing have a measurable effect on climate? If so, ...
9
votes
1answer
80 views

Groundwater unloading and corresponding changes in fault zone stick-slip behavior

I was intrigued by this Slate piece, more or less a summary of Amos et al. (2014)'s Nature article, which essentially states that groundwater depletion and subsequent crustal unloading causes a ...
10
votes
2answers
491 views

How much land does it take to support New York City?

New York City has about 8.5 million people living in an area of 300 square miles which gives a population density of 28,300 people per square mile. The food required to support such a high population ...
12
votes
3answers
370 views

Nuclear testing and the Anthropocene, a chemostratigraphic link?

The Anthropocene is described by Wikipedia as an informal geologic chronological term for the proposed epoch that began when human activities had a significant global impact on the Earth's ...
8
votes
1answer
530 views

About the effectiveness of sand-bags

Are there any recognized studies on the effectiveness of sand-bags in protecting property in some disaster or flood? Many times on the major news they talk about how sand-bags are used in a flood , ...
13
votes
1answer
324 views

'Peak water' in the Ogallala Aquifer, USA?

According to the United States Geological Survey Report (USGS) Groundwater Depletion in the United States (1900–2008), the Ogallala Aquifer (or High Plains Aquifer) is a vital source of groundwater ...
16
votes
2answers
296 views

Why did people draw so many continuous squares in the sand on the beach at Cape Juby?

At Cape Juby, Morocco, we can see with Google Maps a rectangle of 3 km long, in which there is hundreds of little squares. What method was used to draw these squares on the sand? More importantly, why ...
12
votes
2answers
219 views

What atmospheric radiative effects, if any, do contrails cause?

First of all, this question is not about the conspiracy theory based chemtrails as in the linked question, from the answers there and from the question Equation for predicting contrail formation I ...
19
votes
5answers
919 views

Academic but accessible defense of the scientific understanding of anthropogenic climate change?

I'm an intelligent and well-educated guy, but all of my schooling has been in economics, statistics, and public policy. I'm interested in reading a thorough explanation/defense of the scientific ...
23
votes
3answers
3k views

Could the extraction of energy by wind turbines be harmful to the environment?

Wind turbines work by converting some of the energy from wind to electrical energy. Is it possible to have too many turbines, leading to them removing too much energy from the wind? I'm not an ...
6
votes
1answer
148 views

About moving ice bergs northwards to slow down all the melting a tiny bit. ( Clearing away navigation hazards is a side effect of this.)

I read somewhere someone someone had the idea to try to move a 'small' iceberg with giant tugboats used to move oil-rigs. I thought if an Iceberg could be moved, why not move it $NORTHWARD$ maybe ...
3
votes
2answers
124 views

Regarding forest fire season and using robotic devices for proactive efforts before any fires

For many years there are terrible forest fires in the U.S. (for example); I was wondering about pro-active measures ( I'm sure there are many). One possibility is using a small army of robots that are ...
14
votes
1answer
161 views

Break in human nitrogen input in 1990s

I'm in an AP Environmental Science course, and while reading part of the chapter in my textbook about the nitrogen cycle, I saw this picture. nitrogen human input http://oi60.tinypic.com/2w4fw61.jpg ...
22
votes
6answers
9k views

Could earth's core lose its heat?

Will all of the drilling and digging to use the earth's natural heat as geothermal energy be affecting Earth's core, causing it to cool down? If so, would it result in an ice age? If not, how does it ...
24
votes
4answers
1k views

Can mining trigger earthquakes?

Are earthquakes more common in mining regions than they would otherwise be? e.g. is the frequency of earthquakes in those regions different when mining is occurring than when it is not? I am ...
27
votes
1answer
818 views

How much of the current global warming is due to human influence?

Approximately what proportion of the global warming seen over the the last century is attributed to anthropogenic sources?