Question

Explain how the global temperature rise is affecting the continental and valley glaciers of the world.Include diagrams wherever necessary.The answer should have a minimum word limit of 300 word.​

Answer 1

Global warming and climate change refer to an increase in average global temperatures. Natural events and human activities are believed to be main contributors to such increases in average global temperatures. The climate change, caused by rising emissions of carbon dioxide from vehicles, factories and power stations, will not only effects the atmosphere and the sea but also will alter the geology of the Earth. Emissions of carbon dioxide due to our use of fossil energy will change the climate and the temperature is estimated to increase by 2 to 6o Celsius within year 2100, which is a tremendous increase from our current average temperature of 1.7o Celsius as predicted by IPCC. This may cause huge changes to our civilization, both positive and negative, but the total impact on our society is currently very uncertain. Forecasts indicate that major storms could devastate New York City in next decade whereas Gulf countries will get affected badly well before.

Global warming primarily caused by increases in “greenhouse” gases such as Carbon Dioxide (CO2), Nitrous oxide (NOX), Sulphur dioxide (SO2), Hydrogen etc.,. A warming planet thus leads to climate changes which can adversely affect weather in different ways. Some of the prominent indicators for a global warming are detailed below:

• Temperature over land

• Snow cover on Hills

• Glaciers on Hills

• Ocean Heat content

• Sea Ice

• Sea level

• Sea surface temperature

• Temperature Over Ocean

• Humidity

• Tropospheric Temperature

Past decade, according to Scientists in 48 Countries, it was recorded warmest time phase during meeting of National Oceanic and Atmospheric Administration (NOAA), on July 28, 2010. Although since decades, scientists and environmentalists have been warning that the way we are using Earth’s resources is not sustainable. Alternative technologies have been called for repeatedly, seemingly falling upon deaf ears or, cynically, upon those who don’t want to make substantial changes as it challenge their bottom line and reduces their current profits.

Global warming in today’s scenario is threat to the survival of mankind. In 1956, an US based Chief consultant and oil geologist Marion King Hubert, (1956) predicted that if oil is consumed with high rate, US oil production may peak in 1970 and thereafter it will decline. He also described that other countries may attain peak oil day within 20-30 years and many more may suffer with oil crises within 40 years, when oil wells are going to dry. He illustrated the projection with a bell shaped Hubert Curve based on the availability and its consumptions of the fossil fuel. Large fields are discovered first, small ones later. After exploration and initial growth in output, production plateaus and eventually declines to zero.

Answer 2

Rise of the global temperature is due to the emission of greenhouse gases and climate change.

Explanation:

• The Rising temperature all around the world have influenced the rate and movement of glaciers and thus has affected the speed of erosion and deposition rate the climate change is altering the water levels and oceans have become the heat and carbon sinks.  

• Most of the continental glacier in Antarctica are melting at a much faster rate.

• The growth of grass and the present of the bare exposed soil in Antarctica is a fact that climate change is accelerating its speed.

• Large ice shelves are collapsing and intrusion of warm air from below the continents.

• Similar to the valley glaciers are also on a verge of extinction with the thinning of the ice that is leading of glacial recession.

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• brainly.in/question/18486910 answered by Rsultana331.