Essays Tagged: "sea levels"

Transitions in Water

atures. Today's estuariesbegan to take their current form during the last interglacial period, when sea levelrose about 120 m (Braun 36). However, the relatively high sea levels and extensiveestuaries ... found today have been characteristic of only about 10 to 20 percent of thelast million years. When sea level was lower, during glaciation periods, estuarieswere much smaller than they are at present ...

(2 pages) 39 0 3.5 Jan/1997

Subjects: Science Essays > Biology

The Causes and Effects of Global Warming

gases. Global warming is expected to increase the average temperature of the Earth's surface, raise sea levels, and change precipitation patterns (Lutz, 3). There are many potential impacts of these c ... ates more surface heat, resulting in the evaporation of more water into the atmosphere (Lutz, 5). Research has shown that this has already begun to happen, with a 2% increase in the amount of water va ...

(11 pages) 697 1 5.0 Dec/2002

Subjects: Science Essays > Environmental Science

Global Warming.

nhouse effect is raising the temperature, increasing and decreasing the rainfall, and it is raising sea levels.As a possible prelude to global warming, the decade of the 1980's has had the six hottest ... erts.Coastal regions, where half the human population lives will feel the adverse effects of rising sea levels, as the ice caps melt under rising ocean temperatures.If the present melting continues, t ...

(2 pages) 114 5 4.5 Nov/2003

Subjects: Science Essays > Environmental Science

Environmental Impact Essay (global warming and the like)

implication that has a devastating effect on the environment. Current examples include the rise in sea levels, polar meltdowns, the melting of ice sheets and glaciers and human deaths due to disease ... to our environment. The government will also maintain a ban on the export of live fauna; support research into Australia's floral and fauna assemblages as well as biodiversity conservation methods an ...

(7 pages) 278 1 2.0 Mar/2004

Subjects: Science Essays > Environmental Science

Pollution

warming to get to such an extent where it causes the ice caps to melt. This problem will cause the sea levels to rise and as a result thousands of peoples homes will be underwater never to be lived i ... from many sources. One major contributor that destroys our ocean is oil spills. After decades of research you would think that an oil tanker would be able to get from point A to point B without any m ...

(3 pages) 115 0 4.0 May/2004

Subjects: Area & Country Studies Essays

Japan Environment

Japan floats like a dismembered seahorse along the eastern rim of the Asian continent. Around 10,000 years ago, during the last big ... s means that drift-net fishing still occurs, whales continue to be hunted for alleged 'scientific research', goods are so overpackaged that consumption turns into solo pass-the-parcel, appliances are ...

(2 pages) 58 0 4.6 Jun/2004

Subjects: Area & Country Studies Essays

Do the risks of our continued use of fossil fuels at the current levels outweigh the benefits?

ere. This induces numerous environmental problems: polar ice cap melting results in an elevation of sea levels which may cause more flooding; the warm weather will affect global food production; and t ...

(1 pages) 51 0 2.3 Jul/2004

Subjects: Science Essays

Global Warming

ars all occurred in the last 15 years of the century. The rising temperatures are expected to raise sea levels, change rainfall, and other climate conditions. Changing the climate could change forests ... ecord. There was less snow in the Northern Hemisphere and less ice floating in the Artic Ocean. The sea level has risen 4-8 inches over the last 100 years. Rainfall over land has increased by about 10 ...

(2 pages) 51 0 3.8 Dec/2004

Subjects: Science Essays > Environmental Science

Greenhouse Gases

l be negative in nature, such as more severe floods and droughts, increasing prevalence of insects, sea levels rising, and Earth's precipitation may be redistributed. These changes to the environment ... una Loa, located in Hawaii, is the worlds largest volcano at 40,000 cubic km and 4,170 meters above sea level. (Encyclopedia Britannica Volume 27) . Ice core samples have also shown a dramatic increas ...

(11 pages) 90 0 3.0 Jul/2005

Subjects: Science Essays > Environmental Science

Global Warming

ally stop polluting, even though we are posed with the constant threat of melting poles, increasing sea levels, massive storms and worst of all another ice age!Global warming has been in the news for ... ecent photo reveals that 40% of the North Pole has melted in just 33 years due to global warming. Research reveals that it is now melting at an alarming rate and that sea levels are bound to rise as i ...

(3 pages) 186 1 4.2 Mar/2006

Subjects: Science Essays > Environmental Science

Global Warming: Good or Bad?

obal warming heating the Artic at a rapid pace, the next decades could result in a damaging rise in sea levels across the globe. This comes at a time of growing concerns about the effects of global wa ...

(2 pages) 74 1 4.3 Mar/2006

Subjects: Science Essays > Environmental Science

If Darwin went to the Channel Islands instead of the Galapagos, would he have found the same things?

Fox, instead of the finches, he would have found out the same things. During the last Ice Age, when sea levels were much lower and the Santa Barbara channel was much narrower, the California grey foxe ...

(1 pages) 371 0 0.0 Mar/2006

Subjects: Science Essays > Biology

Carefully explain how sea levels have changed in historic times? (12)

It is very difficult to show how sea levels have changed more than 70,000 years ago. Beyond 70,000 years there were many rises and fa ... tarted 1.8 million years ago. Evidence for these fluctuations is hard to find, due to the fact that sea levels have ultimately risen, and covered up the evidence that would suggest these fluctuations. ... d nearly 11,000 years ago. Since about 18,000 years it began to get warmer, causing ice to melt and sea levels to rise. At between 13000 and 11000 years ago there was another cold period, during which ...

(1 pages) 13 0 3.0 Oct/2006

Subjects: Science Essays > Earth Sciences > Oceanography

Goodness Gracious, Great Globe Afire!

sts believe that this Ice Age was preceded by a considerably warmer period when ice caps melted and sea levels rose.While acknowledging that global warming is still a theory, there is much evidence av ... remaining massive amounts of emissions.Tom Wigley explains on the National Center for Atmospheric Research's website that emissions of carbon dioxide, methane, and CFCs [chlorofluorocarbons] are a mai ...

(11 pages) 45 0 3.0 Nov/2006

Subjects: Science Essays > Environmental Science

Bering Strait Theory

he Americas came from the Artic region of Siberia across a land bridge that is now under the Bering Sea. This occurred during the Ice Age, between 12,000 and 60,000 years ago. As water became locked u ... the Ice Age, between 12,000 and 60,000 years ago. As water became locked up in the polar ice caps, sea levels dropped as much as 300 feet. The Bering Sea between Siberia and Alaska is no more than 18 ...

(1 pages) 1443 0 1.0 Jan/2007

Subjects: History Term Papers > North American History

Global Warming

ne degree Fahrenheit. Although it has been unsteady changes, there are still effects from the heat. Sea levels have increased 4 to 10 inches worldwide and glaciers have decreased. To say the least, th ...

(1 pages) 88 0 4.3 Oct/2001

Subjects: Science Essays > Environmental Science

Biology HSC Syllabus - Blueprint of Life - All Dot Points Answered

Physical Environment:The Earth has continually changed since life first evolved.Various changes in sea levels, the splitting of the continents and great changes in climate are just some of the enviro ... had no barrier to dispersal in the pastThe most effective barrier to distribution is the oceans and seasBy looking at the pattern of distribution today plus its fossil distribution in the past, we are ...

(27 pages) 130 0 5.0 Jun/2007

Subjects: Science Essays > Biology

Robert Smithson and analysis of two of his works

ft wide. The work can be interpreted as a symbol of life and death. It expands and contracts as the sea levels rises, sometimes being fully submerged, however because of recent droughts it has surface ... s who have come to specifically to see the work. It, however, is not always visible due to changing sea levels and only recently has it submerged. The jetty can also be seen from his photos taken from ...

(3 pages) 24 0 3.0 Aug/2007

Subjects: Art Essays > Design Arts

Global warming

ure will cause many problems to the world and to us future young people. Some of these problems are:Sea levels will rise due to the melting of the ice caps,also cause flooding in many low-lying area o ... ecome extinct because of the heatThese problems affect us young people in many ways. For example if sea levels rise, this can mean that in 20 years time when we get older the world may be underwater b ...

(4 pages) 34 0 4.0 Oct/2007

Subjects: Science Essays > Environmental Science

Environmental Impact of Global Warming On the Polar Regions

n the Polar Regions are polar bears dying, ice is thinning, polar caps melting, temperature change, sea levels rising and ocean temperatures are getting higher. In figure 1 there is a picture of the S ... d from 1977-1997 when the ice increased and the temperatures cooled.In figure 3 is a diagram of the sea-ice extent in the Southern Hemisphere. Another source says that the Artic glaciers will thin, bu ...

(3 pages) 56 0 5.0 Oct/2007

Subjects: Science Essays > Environmental Science