For the first time ever, a University of Alberta researcher has discovered that an animal species has changed its genetic make-up to cope with global warming. In the past, organisms have shown the flexibility - or plasticity - to adapt to their surroundings, but this is the first time it has been proven a species has responded genetically to cope with environmental forces.
Dr. Stan Boutin, from the Department of Biological Sciences at the University of Alberta in Edmonton, has been studying a North American red squirrel population in Canada's southwest Yukon for almost 15 years. The squirrels, faced with increasing spring temperatures and food supply, have advanced the timing of breeding by 18 days over the last 10 years—six days for each generation. His findings appear on First Cite and will appear in the journal Proceedings of the Royal Society London B next month.
Boutin and his colleagues used an approach called quantitative genetics, long used in agriculture but never before applied to a wild species. Through analytical modelling, the team of researchers was able to sort out how much of the squirrels' adaptation is due to a plastic, individual response and how much is due to genetics. "This has never been done before," said Boutin. "Other researchers have stopped at plasticity."
Phenotypic plasticity is measured by how an individual squirrel can change the timing of a reproductive cycle from one year to the next compared to one generation to the next, which is what Boutin is studying. "Only by having long-term lineages can we get at this research," he said.
Although this discovery shows the red squirrel is adapting well to its warmer environment, the future is still a concern to scientists especially considering the rapid rate of climate change. Predicting the squirrel's threshold is also impossible, said Boutin, so it is difficult to know if the animal has reached is peak of "adaptation skills." The next step is to look at different components of the genome to see if researchers can pinpoint more closely the set of genes responsible for these changes.
Global Warming Causes Genetic Changes
No second chance: can Earth explode as a result of Global Warming?
Summary:
by Dr Tom J. Chalko, MSc, PhD,
Head of Geophysics Division, Scientific E Research P/L, Melbourne, Australia
submitted on 8 April 2001
Consequences of global warming are far more serious than previously imagined. These consequences relate to the newly discovered properties of the "inner core" of our planet.
It is a well established fact, verified by decades of seismic measurements, that the Earth's inner core is a nearly spherical solid of about 1220 km radius that occupies the central position of our planet. The generally accepted view today is that this solid grew slowly to its current size as a result of the "crystallization" of the surrounding liquid. The "latent heat" of this "crystallization" allegedly explains how the inner core generates heat.
This article considers global hydro-gravitational equilibrium conditions for the Earth's inner core and presents a proof that the solid core of our planet could never be smaller or lighter than a certain minimum, otherwise the core would not be able to remain in the center of the planet.
Since the inner core could have only been larger and heavier in the past than it is today - it cannot be the result of any "crystallization". This simple conclusion has astonishing consequences.
Imagine a gigantic object of 1220 km radius that slowly becomes smaller, lighter and gives off heat for millions of years. What could it be? It can only be an object that generates heat by nuclear decay.
The main consequence of the above is that all heat generated inside Earth is of radionic origin. In other words, Earth in its entirety can be considered a nuclear reactor fuelled by spontaneous fission of various isotopes in the super-heavy inner core, as well as their daughter products of decay in the mantle and in the crust.
Life on Earth is possible only because of the efficient cooling of this reactor - a process that is limited primarily by the atmosphere. Currently this cooling is responsible for a fine thermal balance between the heat from the core reactor, the heat from the Sun and the radiation of heat into space, so that the average temperature on Earth is about 13 deg C.
Since the radionic heat is generated in the entire volume of nuclear fuel (the entire Earth) and cooling can occur only at the surface, the hottest point of the planet should be in the very center of the planet.
This article examines the possibility of the "meltdown" of the central part of the inner core due to the reduced cooling capacity of the atmosphere, which traps progressively more solar heat due to the so-called greenhouse effect. Factors that can accelerate the meltdown process, such as an increased solar activity coinciding with increased emissions of greenhouse gasses are discussed.
The most serious consequence of such a "meltdown" could be a gravity-buoyancy based segregation of unstable isotopes in the molten inner core. Such a segregation can "enrich" the nuclear fuel in the core to the point of creating conditions for a chain reaction and a gigantic atomic explosion. Can Earth become another "asteroid belt" in the Solar system?
It is a common knowledge (experiencing seasons) that solar heat is the dominant factor that determines temperatures on the surface of Earth. In the polar regions however, the contribution of solar heat is minimal and this is where the contribution of the heat from the inside of our planet can be seen best. Raising polar ocean temperatures and melting of polar caps should therefore be the first symptoms of overheating of the inner core reactor.
While politicians and businessmen still debate the need for reducing greenhouse emissions and take pride to evade accepting any responsibility, the process of overheating of the inner core reactor has already begun - polar oceans have become warmer and polar caps have begun to melt. Do we have enough imagination, intelligence and integrity to comprehend the danger before the situation becomes irreversible?
There will be NO SECOND CHANCE...
How many degrees is the "inner core" from its meltdown point? Do we know enough to predict the intensity of solar activity in the next decade? Full article
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9XJFLwKpbK9y2oPbSu4MyCMxDl7iE5F-unljySCMHBa4xk_Y5N8oSDDuyMVRYxIZjkrtlFphMJ5sUt56CMcgvNgKVtH54PhASyv-XXauVAEzuYrHJPUoXlBK-h_9n1XF5l8I6L9SkXwA/s320/quakes.gif)
Volcanoes become active and erupt violently not because the Earth's interior "crystallizes" as it is currently believed, but because the planetary nucleus is a nuclear fission reactor that needs COOLING.
We are not the first "civilization" on Earth to be wiped out due to the lack of understanding of Nature. Are we to be the LAST one? Do notorious abusers of Nature deserve to exist?
"The proof: If intellect is unwilling or unable to understand the analysis - no proof is possible." [The Freedom of Choice]
This summary can be freely distributed, providing that no content is altered or removed. Someone needs to do something. We will continue to do research and publish it. You can begin helping out by forwarding this abstract (or a link to it) to all your friends and anyone who is conscious enough to comprehend the information above. The only chance we have is to inform enough people across the planet so that they can consciously and intelligently CHOOSE to DEMAND action from "leaders" whom they elected. Believing is not enough. People need to KNOW.
by Dr Tom J. Chalko, MSc, PhD,
Head of Geophysics Division, Scientific E Research P/L, Melbourne, Australia
submitted on 8 April 2001
Consequences of global warming are far more serious than previously imagined. These consequences relate to the newly discovered properties of the "inner core" of our planet.
It is a well established fact, verified by decades of seismic measurements, that the Earth's inner core is a nearly spherical solid of about 1220 km radius that occupies the central position of our planet. The generally accepted view today is that this solid grew slowly to its current size as a result of the "crystallization" of the surrounding liquid. The "latent heat" of this "crystallization" allegedly explains how the inner core generates heat.
This article considers global hydro-gravitational equilibrium conditions for the Earth's inner core and presents a proof that the solid core of our planet could never be smaller or lighter than a certain minimum, otherwise the core would not be able to remain in the center of the planet.
Since the inner core could have only been larger and heavier in the past than it is today - it cannot be the result of any "crystallization". This simple conclusion has astonishing consequences.
Imagine a gigantic object of 1220 km radius that slowly becomes smaller, lighter and gives off heat for millions of years. What could it be? It can only be an object that generates heat by nuclear decay.
The main consequence of the above is that all heat generated inside Earth is of radionic origin. In other words, Earth in its entirety can be considered a nuclear reactor fuelled by spontaneous fission of various isotopes in the super-heavy inner core, as well as their daughter products of decay in the mantle and in the crust.
Life on Earth is possible only because of the efficient cooling of this reactor - a process that is limited primarily by the atmosphere. Currently this cooling is responsible for a fine thermal balance between the heat from the core reactor, the heat from the Sun and the radiation of heat into space, so that the average temperature on Earth is about 13 deg C.
Since the radionic heat is generated in the entire volume of nuclear fuel (the entire Earth) and cooling can occur only at the surface, the hottest point of the planet should be in the very center of the planet.
This article examines the possibility of the "meltdown" of the central part of the inner core due to the reduced cooling capacity of the atmosphere, which traps progressively more solar heat due to the so-called greenhouse effect. Factors that can accelerate the meltdown process, such as an increased solar activity coinciding with increased emissions of greenhouse gasses are discussed.
The most serious consequence of such a "meltdown" could be a gravity-buoyancy based segregation of unstable isotopes in the molten inner core. Such a segregation can "enrich" the nuclear fuel in the core to the point of creating conditions for a chain reaction and a gigantic atomic explosion. Can Earth become another "asteroid belt" in the Solar system?
It is a common knowledge (experiencing seasons) that solar heat is the dominant factor that determines temperatures on the surface of Earth. In the polar regions however, the contribution of solar heat is minimal and this is where the contribution of the heat from the inside of our planet can be seen best. Raising polar ocean temperatures and melting of polar caps should therefore be the first symptoms of overheating of the inner core reactor.
While politicians and businessmen still debate the need for reducing greenhouse emissions and take pride to evade accepting any responsibility, the process of overheating of the inner core reactor has already begun - polar oceans have become warmer and polar caps have begun to melt. Do we have enough imagination, intelligence and integrity to comprehend the danger before the situation becomes irreversible?
There will be NO SECOND CHANCE...
How many degrees is the "inner core" from its meltdown point? Do we know enough to predict the intensity of solar activity in the next decade? Full article
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9XJFLwKpbK9y2oPbSu4MyCMxDl7iE5F-unljySCMHBa4xk_Y5N8oSDDuyMVRYxIZjkrtlFphMJ5sUt56CMcgvNgKVtH54PhASyv-XXauVAEzuYrHJPUoXlBK-h_9n1XF5l8I6L9SkXwA/s320/quakes.gif)
Volcanoes become active and erupt violently not because the Earth's interior "crystallizes" as it is currently believed, but because the planetary nucleus is a nuclear fission reactor that needs COOLING.
We are not the first "civilization" on Earth to be wiped out due to the lack of understanding of Nature. Are we to be the LAST one? Do notorious abusers of Nature deserve to exist?
"The proof: If intellect is unwilling or unable to understand the analysis - no proof is possible." [The Freedom of Choice]
This summary can be freely distributed, providing that no content is altered or removed. Someone needs to do something. We will continue to do research and publish it. You can begin helping out by forwarding this abstract (or a link to it) to all your friends and anyone who is conscious enough to comprehend the information above. The only chance we have is to inform enough people across the planet so that they can consciously and intelligently CHOOSE to DEMAND action from "leaders" whom they elected. Believing is not enough. People need to KNOW.
Published by:http://sci-e-research.com/geophysics.html
Pr.Contact:
Dr Thomas J. Chalko MSc, PhD
email: tjc@sci-e-research.com
Fax: +61 5681 6361
945 Gunyah Rd, Mt Best,
Vic 3960, Australia
Pr.Contact:
Dr Thomas J. Chalko MSc, PhD
email: tjc@sci-e-research.com
Fax: +61 5681 6361
945 Gunyah Rd, Mt Best,
Vic 3960, Australia
Water Cycle
Climate change is having an impact on the water cycle, raising the issue of whether we should be investing in adapting to these impacts or focusing on more pressing water resource issues, such as providing water and sanitation for increasing populations? If investment in adapting to climate change is a priority, then is it best to invest in protecting natural ecosystems or developing engineered infrastructure?
____________________
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiw3sNFjHc4dwhbY8Wzic_DBaZafHGAZQnl6W_er85HhotgPic3AMcIomEbPvC-4T-58M8b5UNchIy8-0OSI-ZudLOqVlyUsGwtXlRwqsp_adNvkBFyX1Zw5T90RHGBdyC_OnISrkUGhRI/s320/water+cycle.jpg)
“The traditional way of handling extreme events such as floods and droughts, with engineering works should be complemented with the ecosystems approach which integrates the management of land and water that promotes conservation and sustainable use in an equitable way”, says Dr. Max Campos, Review Editor for the Latin American Chapter for IPCC Impacts and Adaptation Report .
“Climate change is indeed an important issue, but it needs to be seen in context of the many other global challenges affecting water resources such as population growth, urbanization and land use change. Adaptation is vital – but we need to adapt to the full range of factors that are stressing water resources, and not focus on human-forced climate change to the exclusion of everything else”, says Oliver Brown from the International Institute for Sustainable Development (IISD).
“It should be a must for vulnerable communities whether in the developed or developing world to ensure that their development ambitions are prepared for climate change. Adaptation should not be limited to the rich”, said Dr. Henk Van Schaik, Deputy Programme Coordinator UNESCO-IHE. He argued that vulnerable communities in the developed world are preparing and investing to protect their societies, economies and environments to the impacts of climate change. This is not so in transition economies nor in developing countries.
Going beyond the issue of investment in pressing development issues or adaptation measures, is the question of looking at natural versus engineered solutions.
“Conventional approaches to climate change adaptation range from water conservation and efficient use to new operational techonologies”, says Dr Mark Smith, Head of the IUCN Water Programme. “Dams and reservoirs are still considered as the most effective structural means of risk management. But we need to start thinking of the environment as infrastructure for adaptation as well. Health and intact river basins, wetlands and floodplains make us less vulnerable to climate change. Lowering risk is a good reason for investing in watersheds and the environment.” – Good courtesy from sciencedaily.com
----------------------------------------------------------------------------------------
Water Resources impact
The effects of global warming are vast and cover every sphere of one’s life. Both the nature and the living beings are suffering from the effects of global warming. If we do not take note of the alarming rate of growing global warming then our earth might cease to exist someday. The water resources have been heavily affected by the global warming phenomenon. Sea levels have risen, glaciers retreats are taking place often and the most harmful affect is the shrinking of the Arctic Circle. This phenomenon has caused concerns among all the sectors and geo-engineering is considered to be a way of mitigation.
If we put it simply then the water bodies would be affected during the long and scorching summers since the rate of evaporation would increases with hotter summers. Water cycle is important for any kind of human activity and global warming would adversely affect this cycle causing a topsy turvy in the human activities as well as the climactic changes. Global warming might also lead to floods. The water levels in many regions would lower due to excessive evaporation and this would cause in torrential downpours increasing the chance of deluge.
The acceleration in the phenomenon of global warming has caused the ice sheets in the West Antarctic Circle and Greenland to shrink. Carbon sediments have been released in the air and due to the increase of carbon emission the reduction in the ice sheets has taken place. This reduction might cause a huge flood around the world. By the end of twenty first century the water in the sea is expected to rise by 7.1- 23.2 inches. Due to the augmentation of global warming effects the Thermohaline circulation might as well get disrupted. The fresh water from the Polar Regions would interrupt the Gulf Stream causing this distress. The implication of a change of course of the gulf stream would have worldwide effect that would drastically accelerate climate change and extremes.
The imbalance created in the water cycle by global warming has far reaching effects. Some places on the earth would face extreme temperatures along with torrential rainfall while others would face scarcity of water and drought. In fact, according to the scientists this phenomenon of global warming might even cause desertification in the extreme Tropical areas like Africa.
The glacier rich areas like Western North America, Asia, Alps, Indonesia and Africa are suffering badly due to global warming. The melting of glaciers in these regions has raised concerns regarding the increase in water levels. Ocean circulation also suffers due to global warming. The oceans act as the absorber of carbon dioxide and when it reaches the saturation point it fails to absorb any more carbon dioxide. As a result the ocean surface becomes warm.
Acidification of ocean is caused due to the concentration of carbon dioxide in the atmosphere. This is an indirect effect of global warming causing distress to people worldwide. The rise in sea level would cause infiltration of the saline water into the groundwater. This will pose as a potential danger for the health of the living organisms.
Impact on human activity
Water is essential for human existence. It is also used for various other purposes like generating electricity from the hydro electrical power plants. These hydroelectricity plants require the water current which is derived from the fast flowing rivers. But with the increase in global warming the rivers are unable to maintain their flow causing a decline in the production of electricity. Water levels in reservoirs and aquifers are also decreasing due to the increase in global warming. This would lead to grave consequences at homes and workplaces as well as the agricultural sector of the different countries.
Hence, we should sit up and take note of this predicament that is threatening our existence. Only our joint endeavor would help our race to survive the threat of global warming. – Great article by theglobalwarmingoverview.com.
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