Perils lurking in Permafrost By J. Gillis, New York Times/Standard
... releasing carbon dioxide," he wrote, "this will set up a positive feedback loop, speeding up global warming." When permafrost begins to thaw, the land surface sometimes collapses into a low-lying area known as a thermokarst. A lake can form there, with the dark surface of the water capturing the sun ...
... releasing carbon dioxide," he wrote, "this will set up a positive feedback loop, speeding up global warming." When permafrost begins to thaw, the land surface sometimes collapses into a low-lying area known as a thermokarst. A lake can form there, with the dark surface of the water capturing the sun ...
ppt
... “The South Atlantic is generally not thought of by meteorologists as a place where tropical cyclones can form. The water temperatures are generally too cool and the vertical wind shear too strong. The area is so devoid of tropical storm activity that no government agency has an official warning syst ...
... “The South Atlantic is generally not thought of by meteorologists as a place where tropical cyclones can form. The water temperatures are generally too cool and the vertical wind shear too strong. The area is so devoid of tropical storm activity that no government agency has an official warning syst ...
15.Globalwarming2
... Long-term change can be assessed from ice cores, which record annual cycles of ice formation from snow. ...
... Long-term change can be assessed from ice cores, which record annual cycles of ice formation from snow. ...
Arrigo, K.R., G.v. Dijken, and S. Pabi, Impact of a shrinking Arctic ice
... the Siberian and Laptev sectors, where the growing season was 50– 80 days longer and annual primary production was 150– 250 g C m 2 yr 1 higher in 2007 than it was in 2006. However, in most regions with a longer growing season in 2007, annual production was 25– 75 g C m 2 yr 1 higher than in 2006. V ...
... the Siberian and Laptev sectors, where the growing season was 50– 80 days longer and annual primary production was 150– 250 g C m 2 yr 1 higher in 2007 than it was in 2006. However, in most regions with a longer growing season in 2007, annual production was 25– 75 g C m 2 yr 1 higher than in 2006. V ...
using big data, scenarios development, and game theory to monitor
... for this sector requires hydrological modeling in regions that often lack flow gauges. The hydrocarbon industry engages in exploration, production and transportation, with exploration most affected by climate change. For example, projected decreases in sea ice cover may result in increased explorati ...
... for this sector requires hydrological modeling in regions that often lack flow gauges. The hydrocarbon industry engages in exploration, production and transportation, with exploration most affected by climate change. For example, projected decreases in sea ice cover may result in increased explorati ...
Earth Science & Climatic Change
... million to todays 400 parts per million and raised the planetary average temperature by 0.8 degrees Celsius (1. 4 degrees Fahrenheit). ...
... million to todays 400 parts per million and raised the planetary average temperature by 0.8 degrees Celsius (1. 4 degrees Fahrenheit). ...
WELCOME TO PHYSICS 1103
... Homework #13 is due today. Note: Homework #14 due on Thursday or Friday includes using a web site to calculate your carbon footprint. You should complete this homework before coming to class. ...
... Homework #13 is due today. Note: Homework #14 due on Thursday or Friday includes using a web site to calculate your carbon footprint. You should complete this homework before coming to class. ...
The Future
... The 800 lb Gorilla Nobody Wants to Talk About: ABRUBT CLIMATE CHANGE • Some large natural climate changes have occurred abruptly. • In some instances, the average global temperature has risen or fallen >8º C in less than 10 years, and at least one in as little as 5 years. An increase of 6° C in thi ...
... The 800 lb Gorilla Nobody Wants to Talk About: ABRUBT CLIMATE CHANGE • Some large natural climate changes have occurred abruptly. • In some instances, the average global temperature has risen or fallen >8º C in less than 10 years, and at least one in as little as 5 years. An increase of 6° C in thi ...
Project Presentation - Worldwide Universities Network
... determining climate change Sea Ice Ice-albedo (ice-temperature) feedback [Positive] Ice dynamical feedback [Cooling] Vegetation Vegetation-albedo feedback (forest/tundra) [Positive] Polar-Mid Latitude biome shifts (forest/grassland) [Negative] ...
... determining climate change Sea Ice Ice-albedo (ice-temperature) feedback [Positive] Ice dynamical feedback [Cooling] Vegetation Vegetation-albedo feedback (forest/tundra) [Positive] Polar-Mid Latitude biome shifts (forest/grassland) [Negative] ...
ClimateChange1
... Global surface temperatures have risen by about 0.6°C since 1900 It is likely that this warming is larger than for any century since 200AD, and that the 1990s were the warmest decade in the last millennium. The warming differs in different parts of the world, but over the last 25 years, almost every ...
... Global surface temperatures have risen by about 0.6°C since 1900 It is likely that this warming is larger than for any century since 200AD, and that the 1990s were the warmest decade in the last millennium. The warming differs in different parts of the world, but over the last 25 years, almost every ...
Chapter 15: Climate
... ● Initial measurements showed an increase in CO2 levels by 0.5 percent per year ● research continued at the mauna loa observatory show a trend of increasing CO2 levels in the atmosphere ...
... ● Initial measurements showed an increase in CO2 levels by 0.5 percent per year ● research continued at the mauna loa observatory show a trend of increasing CO2 levels in the atmosphere ...
Introduction
... sunlight hitting the surface bounces back towards space • Water is much more absorbent and less reflective • So, if there is a lot of water, more solar radiation is absorbed by the ocean than when ice dominates ...
... sunlight hitting the surface bounces back towards space • Water is much more absorbent and less reflective • So, if there is a lot of water, more solar radiation is absorbed by the ocean than when ice dominates ...
Climates can change suddenly or slowly.
... Predictions of Climate Change Although scientists expect all land areas to warm up by 2100, the rate of warming will be uneven. The greatest warming is expected to occur in the high latitudes of the Northern Hemisphere. The increase in Greenland’s temperature, for example, may be two or three times ...
... Predictions of Climate Change Although scientists expect all land areas to warm up by 2100, the rate of warming will be uneven. The greatest warming is expected to occur in the high latitudes of the Northern Hemisphere. The increase in Greenland’s temperature, for example, may be two or three times ...
Diapositiva 1
... • Most of the information given is not based on current data because then it would be different. • Continuing emissions of greenhouse gases at current rates or faster warming will intensify and will give many changes in the global climate system during the twenty-first century ...
... • Most of the information given is not based on current data because then it would be different. • Continuing emissions of greenhouse gases at current rates or faster warming will intensify and will give many changes in the global climate system during the twenty-first century ...
The water vapor problem
... • Slowdowns or disruptions of the deep ocean circulation conveyor, caused by increased fresh water flux to the North Atlantic, cooled temperatures in Europe up to 5ºC. • This increased ice over the northern oceans and, therefore, the Earth’s albedo, creating a positive feedback mechanism. • It took ...
... • Slowdowns or disruptions of the deep ocean circulation conveyor, caused by increased fresh water flux to the North Atlantic, cooled temperatures in Europe up to 5ºC. • This increased ice over the northern oceans and, therefore, the Earth’s albedo, creating a positive feedback mechanism. • It took ...
Climate 3
... Warm water in the western Pacific causes low pressure and high rainfall; pressure system drives tradewinds from east to west; tradewinds drive warm water to the west; causing cold water to rise off South America and flow west. ...
... Warm water in the western Pacific causes low pressure and high rainfall; pressure system drives tradewinds from east to west; tradewinds drive warm water to the west; causing cold water to rise off South America and flow west. ...
Chapter 20 Climate Change and Ozone Depletion Core Case Study
... 13. List the top 5 countries in terms of emitters of greenhouse gases. ...
... 13. List the top 5 countries in terms of emitters of greenhouse gases. ...
The Arctic: Changing Ecosystems and Resilience
... Huntington, H., Fox, S. (2005). The Changing Arctic: Indigenous Perspectives. In Arctic Climate Impact Assessment – ACIA, (Chapter 3), pp. 61-98. Session 3: Field Excursion This field-based session will provide students with the opportunity to observe the impact of climate change on Arctic vegetatio ...
... Huntington, H., Fox, S. (2005). The Changing Arctic: Indigenous Perspectives. In Arctic Climate Impact Assessment – ACIA, (Chapter 3), pp. 61-98. Session 3: Field Excursion This field-based session will provide students with the opportunity to observe the impact of climate change on Arctic vegetatio ...
Climate Change * A Few Key Facts You Probably
... ~90% of sunlight. Lawrence et al. 2008 show this sends a pulse of heat 1500 km south of the shorelines throughout the Arctic Permafrost. Below: temperature trend map. Sharp in Siberia, but even sharper in North America. So if Siberia melts, North America will as well, and likely sooner ...
... ~90% of sunlight. Lawrence et al. 2008 show this sends a pulse of heat 1500 km south of the shorelines throughout the Arctic Permafrost. Below: temperature trend map. Sharp in Siberia, but even sharper in North America. So if Siberia melts, North America will as well, and likely sooner ...
Glacial `climate control` - British Geological Survey
... flow configuration the location of ice streams the vertical extent of the ice spatial extent where no record yet exists dynamics over time. ...
... flow configuration the location of ice streams the vertical extent of the ice spatial extent where no record yet exists dynamics over time. ...
Global Warming
... The Greenhouse Effect Since the beginning of the industrial revolution, Carbon dioxide concentrations have increased by 30%, methane concentrations have more than doubled, and nitrous oxide concentrations have ...
... The Greenhouse Effect Since the beginning of the industrial revolution, Carbon dioxide concentrations have increased by 30%, methane concentrations have more than doubled, and nitrous oxide concentrations have ...
29 Sep 2013
... Global warming: lessons from the past In 2005, following the release of Al Gore's climate change documentary "An Inconvenient Truth," the single most common criticism of the film focused on the animation showing ocean water flowing into the World Trade Center memorial site. Global warming skeptics c ...
... Global warming: lessons from the past In 2005, following the release of Al Gore's climate change documentary "An Inconvenient Truth," the single most common criticism of the film focused on the animation showing ocean water flowing into the World Trade Center memorial site. Global warming skeptics c ...
Climate Control and Ozone Depletion
... The Atmosphere Is Warming Mostly Because of Human Activities • Intergovernmental Panel on Climate Change (IPCC) – Very likely (90–99%) that lower atmosphere is warming and that human activities are responsible for most of the recent temperature increase ...
... The Atmosphere Is Warming Mostly Because of Human Activities • Intergovernmental Panel on Climate Change (IPCC) – Very likely (90–99%) that lower atmosphere is warming and that human activities are responsible for most of the recent temperature increase ...
60 years of average annual temperature rise
... The tilt of the axis of rotation changes from an angle of 21.5o to 24.5o and back over 41,000 years. It is currently 23.4o The Earth’s axis wobbles like a top over a cycle of 26,000 yrs, shifting the seasons around the orbit. Vega was the “North Star” 13,000 years ago. Low tilt + more distance in su ...
... The tilt of the axis of rotation changes from an angle of 21.5o to 24.5o and back over 41,000 years. It is currently 23.4o The Earth’s axis wobbles like a top over a cycle of 26,000 yrs, shifting the seasons around the orbit. Vega was the “North Star” 13,000 years ago. Low tilt + more distance in su ...