Changing Planet: Past, Present, Future Lecture 3 – Earth`s Climate
... climate change throughout that time period. What I want to do is explore a little bit, what is it that actually controls the climate of a planet and how does it vary over time. Then we'll look at our current predicament and think about how climate is likely to change over our lifetimes and on into t ...
... climate change throughout that time period. What I want to do is explore a little bit, what is it that actually controls the climate of a planet and how does it vary over time. Then we'll look at our current predicament and think about how climate is likely to change over our lifetimes and on into t ...
Build A Unit! Unit Planning Pack with Resources Subject Area/Grade
... it collects in rivers, lakes, and porous layers of rock. There are also large areas on the earth's surface covered by thick ice (such as Antarctica), which interacts with the atmosphere and oceans in affecting worldwide variations in climate. The earth's climates have changed radically and they are ...
... it collects in rivers, lakes, and porous layers of rock. There are also large areas on the earth's surface covered by thick ice (such as Antarctica), which interacts with the atmosphere and oceans in affecting worldwide variations in climate. The earth's climates have changed radically and they are ...
Sea-ice switches and abrupt climate change
... far away from the North Atlantic might be explained by the e®ect of sea ice on atmospheric circulation (Mayewski et al. 1994) or by the e®ect of sea ice on the temperature of the water formed in the North Atlantic in the presence of sea ice (Gildor & Tziperman 2001a). In particular, these sea-ice e® ...
... far away from the North Atlantic might be explained by the e®ect of sea ice on atmospheric circulation (Mayewski et al. 1994) or by the e®ect of sea ice on the temperature of the water formed in the North Atlantic in the presence of sea ice (Gildor & Tziperman 2001a). In particular, these sea-ice e® ...
oceaN acidiFicatioN iN deep time oceaN acidiFicatioN iN deep time
... evidence indicates that atmospheric CO2 concentrations were higher during long warm intervals in the geologic past, and that these conditions did not prevent the precipitation and accumulation of calcium carbonate (CaCO3) as limestone; accumulation of alkalinity brought to the ocean by rivers kept s ...
... evidence indicates that atmospheric CO2 concentrations were higher during long warm intervals in the geologic past, and that these conditions did not prevent the precipitation and accumulation of calcium carbonate (CaCO3) as limestone; accumulation of alkalinity brought to the ocean by rivers kept s ...
Combustion of available fossil fuel resources
... long lifetime of perturbations to atmospheric CO2 concentrations in conjunction with the logarithmic nature of the warming versus CO2 relationship means that global mean temperatures decline by less than 5% per thousand years once more than about 5000 GtC have been emitted. Instead, temperatures rem ...
... long lifetime of perturbations to atmospheric CO2 concentrations in conjunction with the logarithmic nature of the warming versus CO2 relationship means that global mean temperatures decline by less than 5% per thousand years once more than about 5000 GtC have been emitted. Instead, temperatures rem ...
Sample pages 1 PDF
... The Earth is now characterized by a set of physical parameters and features observed on its surface. However, the Earth in its present state represents just one stage in an evolutionary process starting from the moment the planet formed to the present day. In our future search for Earth-like planets ...
... The Earth is now characterized by a set of physical parameters and features observed on its surface. However, the Earth in its present state represents just one stage in an evolutionary process starting from the moment the planet formed to the present day. In our future search for Earth-like planets ...
Climate change and Canada`s Arctic glaciers
... Ice flow in Arctic ice caps is highly complex. While ice generally flows slowly (a few metres a year), areas of faster flow (hundreds of metres a year) exist deep into the center the ice cap. These fast flowing regions often occur over deep bedrock valleys and commonly end in the ocean, forming tide ...
... Ice flow in Arctic ice caps is highly complex. While ice generally flows slowly (a few metres a year), areas of faster flow (hundreds of metres a year) exist deep into the center the ice cap. These fast flowing regions often occur over deep bedrock valleys and commonly end in the ocean, forming tide ...
Extensive valley glacier deposits in the northern mid
... whether glaciers, derived from snowfall, may have been a factor in the formation of lineated valley fill. What criteria for the recognition of glaciers, past and present, can be employed in order to examine this possibility? Four types of observations can provide insight into the distribution of gla ...
... whether glaciers, derived from snowfall, may have been a factor in the formation of lineated valley fill. What criteria for the recognition of glaciers, past and present, can be employed in order to examine this possibility? Four types of observations can provide insight into the distribution of gla ...
The Climate and Cryosphere
... lake and river ice, snow cover, solid precipitation, glaciers, ice caps, ice sheets, ice shelves and icebergs, permafrost, and seasonally frozen ground. The cryosphere is an integral part of the global climate system with important linkages and feedbacks generated through its influence on surface en ...
... lake and river ice, snow cover, solid precipitation, glaciers, ice caps, ice sheets, ice shelves and icebergs, permafrost, and seasonally frozen ground. The cryosphere is an integral part of the global climate system with important linkages and feedbacks generated through its influence on surface en ...
Introduction
... Arctic Feedbacks • Feedback mechanisms in the Arctic are of growing concern • In 2009, the World Wildlife Federation published a well written report entitled “Arctic Climate Feedbacks: Global Implications” edited by Martin Sommerkorn & Susan Joy Hassol – a link to the PDF version of the second edit ...
... Arctic Feedbacks • Feedback mechanisms in the Arctic are of growing concern • In 2009, the World Wildlife Federation published a well written report entitled “Arctic Climate Feedbacks: Global Implications” edited by Martin Sommerkorn & Susan Joy Hassol – a link to the PDF version of the second edit ...
NASA Research Strategy for Earth System Science
... a discovery of the twentieth century, which led to the new concept of earth system science. This new scientific paradigm is founded on the notion that the global earth environment can be understood only as an interactive system embracing the atmosphere, oceans, and sea ice, glaciers, and ice-sheets, ...
... a discovery of the twentieth century, which led to the new concept of earth system science. This new scientific paradigm is founded on the notion that the global earth environment can be understood only as an interactive system embracing the atmosphere, oceans, and sea ice, glaciers, and ice-sheets, ...
Capstone ESS Unit 4: Human Activity and Climate System Unit Summary
... and redistribution among the atmosphere, ocean, and land systems, and this energy’s re-radiation into space. They also examine how cyclical changes in the shape of Earth’s orbit around the sun, together with changes in the tilt of the planet’s axis of rotation, both occurring over hundreds of thousa ...
... and redistribution among the atmosphere, ocean, and land systems, and this energy’s re-radiation into space. They also examine how cyclical changes in the shape of Earth’s orbit around the sun, together with changes in the tilt of the planet’s axis of rotation, both occurring over hundreds of thousa ...
Ice-albedo feedback in the Northern Hemisphere during the Last
... 2. Model description and forcings Simulations were conducted with the Community Climate System Model Version 3. CCSM3 includes representations of the atmosphere, ocean, sea ice, and land surface. A full description of the model is given by Collins et al. [2006]. Briefly, the atmosphere model uses t ...
... 2. Model description and forcings Simulations were conducted with the Community Climate System Model Version 3. CCSM3 includes representations of the atmosphere, ocean, sea ice, and land surface. A full description of the model is given by Collins et al. [2006]. Briefly, the atmosphere model uses t ...
The Anthropocene: From Global Change to Planetary Stewardship
... THE ANTHROPOCENE: FROM HUNTERGATHERERS TO A GLOBAL GEOPHYSICAL FORCE For well over 90% of its 160 000 year history, Homo sapiens have existed as hunter-gatherers only. During that time our ancestors had demonstrable impacts on their environment, even at scales approaching continental, through, for e ...
... THE ANTHROPOCENE: FROM HUNTERGATHERERS TO A GLOBAL GEOPHYSICAL FORCE For well over 90% of its 160 000 year history, Homo sapiens have existed as hunter-gatherers only. During that time our ancestors had demonstrable impacts on their environment, even at scales approaching continental, through, for e ...
The Anthropocene: From Global Change to Planetary Stewardship
... THE ANTHROPOCENE: FROM HUNTERGATHERERS TO A GLOBAL GEOPHYSICAL FORCE For well over 90% of its 160 000 year history, Homo sapiens have existed as hunter-gatherers only. During that time our ancestors had demonstrable impacts on their environment, even at scales approaching continental, through, for e ...
... THE ANTHROPOCENE: FROM HUNTERGATHERERS TO A GLOBAL GEOPHYSICAL FORCE For well over 90% of its 160 000 year history, Homo sapiens have existed as hunter-gatherers only. During that time our ancestors had demonstrable impacts on their environment, even at scales approaching continental, through, for e ...
Glaciers and climate change in the Karakoram
... From: The Economist, June 2008: “…Mr Hasnain estimates that Himalayan glaciers will be gone in 20-30 years. That would leave many great rivers depending on seasonal rainfall. According to the IPCC. this may be the fate of the Indus…by 2035…” The Guardian 2008 “…The problem is perhaps most acute in A ...
... From: The Economist, June 2008: “…Mr Hasnain estimates that Himalayan glaciers will be gone in 20-30 years. That would leave many great rivers depending on seasonal rainfall. According to the IPCC. this may be the fate of the Indus…by 2035…” The Guardian 2008 “…The problem is perhaps most acute in A ...
The Methane Gas – The Ticking Time Bomb of the Arctic
... the methane, like the existence of organic deposits that can not be denied and the microorganisms present only in the active layer, the solution of this issue is conservation of permafrost at the expense of the active layer, by preventing the temperature increase that would favor the extending of th ...
... the methane, like the existence of organic deposits that can not be denied and the microorganisms present only in the active layer, the solution of this issue is conservation of permafrost at the expense of the active layer, by preventing the temperature increase that would favor the extending of th ...
et al
... Arctic Feedbacks • Feedback mechanisms in the Arctic are of growing concern • In 2009, the World Wildlife Federation published a well written report entitled “Arctic Climate Feedbacks: Global Implications” edited by Martin Sommerkorn & Susan Joy Hassol – a link to the PDF version of the second edit ...
... Arctic Feedbacks • Feedback mechanisms in the Arctic are of growing concern • In 2009, the World Wildlife Federation published a well written report entitled “Arctic Climate Feedbacks: Global Implications” edited by Martin Sommerkorn & Susan Joy Hassol – a link to the PDF version of the second edit ...
C02 Levels in the Atmosphere Worksheet Introduction: The Earth`s
... Introduction: The Earth’s thermostat is a complex and delicate mechanism. At the centre of this control is Carbon Dioxide (CO2), a colourless, odorless, invisible gas. CO2 in the atmosphere helps keep the earth warm, because it traps heat near the planet’s surface in a process called the Greenhouse ...
... Introduction: The Earth’s thermostat is a complex and delicate mechanism. At the centre of this control is Carbon Dioxide (CO2), a colourless, odorless, invisible gas. CO2 in the atmosphere helps keep the earth warm, because it traps heat near the planet’s surface in a process called the Greenhouse ...
Rapid climate variability during warm and cold periods in
... current interglacial period (8200 yr ago), and discuss their possible causes. We also quantify the rate of temperature increase at polar locations during previous, warmer interglacial periods, which do not exhibit any Antarctic evidence for abrupt events as large as during the last glacial. 2. Overv ...
... current interglacial period (8200 yr ago), and discuss their possible causes. We also quantify the rate of temperature increase at polar locations during previous, warmer interglacial periods, which do not exhibit any Antarctic evidence for abrupt events as large as during the last glacial. 2. Overv ...
Chapter 4: Climate change
... precluded development of a circumpolar Antarctic current. Instead, open passageways between North and South America and Eurasia and Africa led to the development of a shallow equatorial seaway known as the Tethys Sea. This seaway provided a circumglobal ocean circulation and is one of the most disti ...
... precluded development of a circumpolar Antarctic current. Instead, open passageways between North and South America and Eurasia and Africa led to the development of a shallow equatorial seaway known as the Tethys Sea. This seaway provided a circumglobal ocean circulation and is one of the most disti ...
The Climate of Middle Earth
... and ocean, the model includes a representation of the land and ocean surface, including processes associated with seaice, soil moisture, and, in our particular version of the model, the growth and distribution of vegetation. The model is given an initial state of all the variables which it predicts ...
... and ocean, the model includes a representation of the land and ocean surface, including processes associated with seaice, soil moisture, and, in our particular version of the model, the growth and distribution of vegetation. The model is given an initial state of all the variables which it predicts ...
THE ACHILLES` HEELS OF THE EARTH SYSTEM
... coming century and beyond are usually conceptualized in terms of Intergovernmental Panel on Climate Change (IPCC)–type scenarios in which important climate parameters are projected into the future.1 In most of these scenarios, the projections are for an optimistically smooth increase in global mean ...
... coming century and beyond are usually conceptualized in terms of Intergovernmental Panel on Climate Change (IPCC)–type scenarios in which important climate parameters are projected into the future.1 In most of these scenarios, the projections are for an optimistically smooth increase in global mean ...
Is the ice burning?
... – glaciers and ice caps The size of valley glaciers and ice sheets is the product of the balance of the annual precipitation, that is snow accumulating on the glacier surface, and the annual loss of mass, which can be attributed to ice calving (icebergs), surface and bottom melting and in very cold ...
... – glaciers and ice caps The size of valley glaciers and ice sheets is the product of the balance of the annual precipitation, that is snow accumulating on the glacier surface, and the annual loss of mass, which can be attributed to ice calving (icebergs), surface and bottom melting and in very cold ...
How Do The Atmosphere and Ocean Affect Temperatures
... bags when exposed to a light source. 2) To understand the connection between global warming and carbon dioxide emissions. 3) To understand how individuals can help lower carbon dioxide production. Back Ground Information: Carbon dioxide is a trace gas that has existed in our atmosphere for billions ...
... bags when exposed to a light source. 2) To understand the connection between global warming and carbon dioxide emissions. 3) To understand how individuals can help lower carbon dioxide production. Back Ground Information: Carbon dioxide is a trace gas that has existed in our atmosphere for billions ...