Tuesday, January 28, 2020
Water, Food And Agriculture
Water, Food And Agriculture Water plays a vital role in life. Without water, existence of life is not possible. Without water, agriculture is not possible. Without agriculture, we cannot meet the ever rising demand for food. Climate change, as we all know is disastrously affecting our environment and the ecological balance. Glaciers, ice bergs and the north and south poles are melting at a rate higher than ever. This is greatly changing the water cycle. Climate change thus severely affects the water levels. Climate change will have a momentous effect on agriculture in terms of water quality and quantity. This will be aggravated by the increasing demand for food as populations and incomes increase. For centuries together, farmers have locally organized the water cycle through irrigation and drainage. The change in the hydrological cycle will influence the agricultural practices. The rural population of the developing countries, for whom agriculture is the primary source of income and employment, will be affected due to agricultures vulnerability to the changing climate. In this report, we shall discuss about the effect of climate change on water resources and agricultural practices which in turn affects the food supply. GLOBAL PERSPECTIVE Climate change has a huge impact on the world as a whole. The impact of climate change on the farmers is perhaps something which most people have not given a thought about. On the contrary, this seems to be one of the most important problems faced due to climate change. Climate change has a major impact on the availability of water and weather pattern. This triggers a chain of events. As water availability and weather pattern changes, farmers have the only option of changing their agricultural patterns to adapt to the surroundings. They often turn to chemicals such as fertilizers to increase their yield. Some even quit farming and turn to other professions. This is usually prevalent among farmers who have a low income as they do not have enough money to buy these chemicals and the abnormal weather conditions frequently lead to crop failures. This leads to a drastic decline in amount of food produced and thus leads to food scarcity. Food scarcity leads to a hike in food prices and thu s unequal distribution of food among the globe as a whole. According to a report published by United Nations Food and Agriculture Organization (FAO) on 11 June 2011, the world will face a water scarcity for agriculture as a result of climate change. In the survey titled Climate Change, Water and Food Security, climate change will reduce the amount of water in river run-offs and aquifer rechargers in the Mediterranean and semi-arid areas of the Americas, Australia and Southern Africa. Asia, where farmlands are irrigated by snowmelt from glaciers, will be affected and the river deltas will face reduction in water supply. Loss of glaciers which support more than 40% of worlds irrigation will disastrously affect the amount of surface water available for irrigation. There will be acceleration in the hydrological cycle which increases the rate of evaporation of water from land and sea. This will increase rainfall in tropical areas and higher latitudes while a decrease will be felt in semi-arid and mid-arid latitudes and the interior of the contine nts. An increase in the growing season of northern temperate zones and a decrease almost everywhere else will be seen.1 The same report also gives some suggestive measures which countries can undertake. One key area requires countries to implement improve and maintain water accounts, which involves collecting data on amount of water used, transferred, etc. and analyzing them to make decisions on how water resources can be managed. At farm level, farmers can change cropping patterns to match the weather pattern. Efficiency can be enhanced by introducing soil moisture conservation practices. Mixed agroforestry, according to the report, also holds promise. Going by the report, these above mentioned systems can sequester carbon and offer additional benefits like reduced evaporation rates, and upgraded soil conservation and water withholding capacity.2 _____________________________________________________________________________________ 1 UN News June 11 2011 http://www.un.org/apps/news/story.asp?NewsID=38673#.USyhm966ZLM 2 FAO Report June 11 2011 http://www.fao.org/news/story/en/item/79964/icode/ NATIONAL PERSPECTIVE India displays an extensive array of climatic conditions from the high altitudes of Himalayas to the long coasts, from the parched deserts of the West to the forests of the East. Owing to these complications, the effect of climate change will fluctuate across the country depending on the climatic conditions. In India almost 360 million people are undernourished and 300 million people is poor.3 Agriculture in India principally depends on the South West Monsoon, a short three month period. Hence, any deviation in this pattern will disrupt agriculture. Predicted effects include a drop in wheat production. Experiments have proven a 0.40C rise in the annual surface temperature. A predicted increase in maximum and minimum temperatures is sure to affect the ecosystems and water supply. Important rivers like Cauvery, Ganga and Narmada are likely to experience seasonal and frequent water shortages.4 In India, impact of climate change will increase sub-regional disparities and more extreme rainfall. This is catastrophic in a country that obtains about 100 hours of rainfall in a year. A study conducted by the World Bank in two droughts prone states and a flood prone state revealed that farmers in the drought prone states will see their income reduce by 20% and sugarcane yields fall by 25% while flooding will vividly lessen the rice yields by 12% in the other state.3 The fertile Indo-gangetic plain will face a drop in precipitation by 5% which will fatally decrease the growing period. Large parts of central India will surely see a rise in the surface temperatures thereby lethally decreasing the yield of most crops. The climatic shifts are related to the fate of regional crop and livestock yields and the chronic hunger status of Indian society show that farmers are unable to handle and adapt to the weather pattern.5 According to a study conducted by the Central Research Institute for Dry land Agriculture, Kharif crops will be affected by the rainfall variability while the Rabi crops will be affected by the rising temperatures. The study has also shown that wheat (staple food of northern India) will be affected by the temperature while the rice crop (staple food of southern India) will be affected by both the increase in temperature and decreasing rainfall. Legumes have proven to benefit from the increased temperature but have failed to withstand the water paucity. Another thing to note is that milk production will decrease as the yielding capacity of the cow decreases as temperature increases.6 _____________________________________________________________________________________ 3 http://www.in.undp.org/content/dam/india/docs/undp_climate_change.pdf 4 http://www.indiaclimateportal.org/What-climate-change-means-for-India 5 http://www.hindustantimes.com/business-news/WorldEconomy/Climate-change-induced-food-nightmare-stares-India/Article1-706704.aspx 6 http://cdkn.org/2012/01/agriculture-and-climate-change-in-india/ PERSONAL PERSPECTIVE Chennai, as a metropolitan, does not face any consequences of climate change on agriculture. But this does not mean that it does not face any problems regarding food supply and water scarcity. As a matter of fact, food prices are soaring and water shortage is becoming an inevitable crisis. Scientists predict a 20C rise in temperature and drop in production of crops by 20%7 Data has shown an increase in the temperature of sea surface by 0.310C between 1981 and 2001 April and an increase by 0.150C between 1981 and 2001 October. Although this seems to be a small change, the damage done is catastrophic to the aquatic life. The frequency of spawning of fish has decreased. Thus the total catch has decreased over time. This has greatly affected the availability of this fish.8 I conducted a survey in my neighborhood on this topic. Based on the results, it can be found that there will be a definite hike in food prices in the coming days. This can be attributed to the unpredictable nature of the rains which is caused due to global warming. This is also reduced by less and less area coming under the cultivated land which is accelerated by the growth of industries and extensive use of fertilizers which has led to farmlands turning into wastelands. The prices of Mango, Eggplants, Rice, etc. are likely to rise. Water scarcity is also being faced and will continue to be faced in Chennai if no measures are taken. This is mainly because of the increasing number of complexes which use too much ground water leaving very less behind. Chennai also does not have any natural reservoir as such to store rain water.9 The complete survey can be found in Annexure A _____________________________________________________________________________________ 7 http://www.thehindu.com/news/cities/chennai/article1156870.ece 8 http://www.icrier.org/pdf/Policy_Series_No_16.pdf 9 Survey conducted. This can be found in Annexure A POSSIBLE SCNEARIO Currently, the world as a whole faces a food crisis mainly due to climate change. If these continue with no preventive measures being taken, a chain of events will occur which will eventually lead to apocalypse. Due to water scarcity, farmers tend to pull out more water from the ground thereby depleting the ground water resources and destroying the water table. Then, there would be less water available for farmers to use for irrigation. More importantly, there would be less water to quench the thirsts of the world. This will lead to heavy food shortage problems which will definitely lead to hike in food prices. Most likely, history will repeat itself. In 1789, a major event occurred that changed the course of time. It was the French revolution and its main cause was food shortage and the rise in food prices. Perhaps, another revolution might get sparked all over the world that would lead to a change in the course of time again. It might be for the greater good, or it might just lead to deaths, sickness and finally the end of the human race. Another way of looking at this is that as all those who are unable to afford the high prices of food will just perish due to hunger and malnourishment. The population of the country decreases and the problem of overpopulation are overcome. But, as people start dying, the countrys production reduces. The countries all over the world slowly start becoming undeveloped. As this process takes place, riots will occur and countries will disintegrate. Wars will emerge and will perhaps lead to the third World War which will be fought for water and food. Basically, cataclysm will be raining down and the Dooms Day will dawn. Either way, there will be an end to our species if we do not take immediate actions to prevent these extreme situations. POSSIBLE COURSE OF ACTION If we were to solve the root of all these problems, then we would look at climate change and global warming. But solving this is not contained by the potential of one country. So, we have to observe adaption strategies for the problems mentioned in this report. Firstly, we need to improve our research methods for forecasting floods. We also need to develop hybrid varieties for crops to make them withstand droughts and high temperatures. These should be available to the farmers at an affordable rate. The changing weather pattern should be analysed. Farmers should be made aware of this pattern so that they can plan their practices to match with the weather pattern to ensure greater yield and productivity. At the farm level, water management should be made compulsory. Although simple, crop rotation can do wonders. Farmers should reduce their dependence on ground water. Farmers should deploy more effective means to irrigate their lands. Drip irrigation and water sprinklers are effective. They should intensify cropping patterns for increased production. Application of fertilizers should be matched with the irrigation. This will also help in escalating the yield. Finally, everyone should be educated and made aware of the current crisis faced by the world. This will make them realise the threat and motivate them to take steps in conserving water and food. PERSONAL RESPONSE After researching on this topic, I am very much concerned about the effects of climate change on agriculture. It directly influences the weather and amount of potable water thereby causing water scarcity and crop failures which eventually leads to food shortages. There is an unquestionable need for us to save water and stop lavishly frivolling away with food. If we do not do so the future generations will perish with nothing left to survive on. This is my opinion after researching on this topic. Word Count: 1,977 words BIBLIOGRPAHY Internet Pages Resourced http://www.ifpri.org/publication/impact-climate-variability-and-climate-change-water-and-food-outcomes Retrieved on 24 February 2013 http://copa-cogeca.eu/img/user/file/Climate/5660%20version%20E.pdf Retrieved on 24 February 2013 http://www.fao.org/news/story/en/item/79964/icode/- Retrieved on 26 February 2013 http://www.un.org/apps/news/story.asp?NewsID=38673#.USyhm966ZLM- Retrieved on 26 February 2013 http://www.guardian.co.uk/lifeandstyle/2009/oct/11/food-climate-change-famine-india- Retrieved on 27 February 2013 http://www.trust.org/alertnet/news/implications-of-climate-change-on-indian-agriculture-is-it-a-food-or-famine-situation Retrieved on 27 February 2013 http://www.hindustantimes.com/business-news/WorldEconomy/Climate-change-induced-food-nightmare-stares-India/Article1-706704.aspx Retrieved on 27 February 2013 http://www.nato.int/docu/review/2012/Food-Water-Energy/India_Nexus_Climate_resources_stability/EN/index.htm Retrieved on 27 February 2013 http://www.researchgate.net/post/Climate_change_affects_the_distribution_of_rainfall_in_Indian_subcontinent_How_can_we_find_strategies_to_avoid_impacts_on_food_crops11 Retrieved on 27 February 2013 http://cdkn.org/2012/01/agriculture-and-climate-change-in-india/ Retrieved on 27 February 2013 http://www.thehindu.com/news/cities/chennai/article1156870.ece Retrieved on 28 February 2013 http://www.icrier.org/pdf/Policy_Series_No_16.pdf Retrieved on 28 February 2013 Reports http://www.fao.org/docrep/014/i2096e/i2096e.pdf Retrieved on 26 February 2013 http://www.icrier.org/pdf/Policy_Series_No_16.pdf Retrieved on 28 February 2013 http://www.adaptationlearning.net/sites/default/files/India%20UNDP_Climate_Change.pdf Retrieved on 1 March 2013
Sunday, January 19, 2020
Le Theme de lUnite et de lHarmonie de lHomme chez Friedrich Schiller :: French Philosophical Paper
Le Theme de l'Unite et de l'Harmonie de l'Homme chez Friedrich Schiller ABSTRACT: This study demonstrates that Schiller's philosophical work is not limited only to the explanation of the artistic phenomenon as such, and that, for him, art represents the premise of philosophizing, of elaborating an original conception of the world and of humanity. I emphasize the way in which the poet and playwright uses art as a philosophical method with a view to penetrating meaning in the world and in life and to identifying a solution to the crisis confronted by modernity. In this context, based on the conviction that the historical and rationalistic methods are the only ones valid for human understanding and achievement, Schiller, due to his artistic genius and his beginning from Kant's ideas concerning the compatibility of the theoretical and the ethical by means of the aesthetic, advances a way of raising nature (the sensible) to the level of morality with the help of the artistic creation interpreted as a game. What radically distinguishes and confers originality on Schiller's versus Kant's conception is the modality of solving the problems of the relation between necessity and liberty, sensibility and intelligibility, and individuality and liberty, thus offering the image of a person able to aspire to resonance with the exactingness of the Great Time, when evolution may become self-evolution, and history transhistory. Friedrich Schiller n'est pas seulement un sommet de la litterature allemande, il est en meme temps un philosophe d'une profondeur et d'une originalite impressionant. Il ne "poetise" pas la philosophie, mais suit les exigences d'une pensee d'une rare rigueur theorique et methodologique. Son oeuvre philosophique est l'une des plus remarquables contributions dans la philosophie de l'art. Il faut mentionner pourtant que les recherches philosophiques du grand ecrivain ne se limitent pas a l'explication du phenomene artistique comme tel: l'art represente pour lui une premisse de l'activite de penser philosophiquement, de l'elaboration d'une conception du monde et de l'homme. Schiller est le penseur qui considere l'art comme l'instrument indispensable pour la comprehension du sens du monde et de la vie. C'est pour cela que, en analysant sont oeuvre philosophique, nous n'y decouvrons pas seulement un systeme esthetique interessant, mais nous penetrons dans un univers philosophique complexe, fonde sur des considerations d'ordre esthetique. On peut dire que, pour ce genial poete et dramaturge, l'esthetique n'est pas seulement un branche de la philosophie mais une veritable methode de celle-ci.
Saturday, January 11, 2020
Google Case Study
Katherine Carter Strategies and Policies Case Study 8 Internet Search and the Growth of Google In 1997 the domain name google. com was registered by two Stanford students name Sergey Bring and Larry Page. In 1998, it became a privately owned, incorporated company known as Google Inc. Within 6 years of its inception, Google acquired 75% of US web search market. Even the word ââ¬Å"googleâ⬠, became a verb in our society as one would say, ââ¬Å"letââ¬â¢s google him! â⬠. Google revolutionized the internet search industry by charging its advertisers differently that ever done before.First, they auctioned off certain ââ¬Å"key wordsâ⬠and when such key words were typed in a query, web users were directed to those advertisers web page. In addition, advertisers were charged on a ââ¬Å"per clickâ⬠based upon how many users actually clicked on their page. By 2010, 70% of all internet advertising was being spent at Google. That same year, Google had $29. 8 Billion in revenues with $8. 5 billion in net profit. Googleââ¬â¢s mission is to organize the worldââ¬â¢s information and make it universally accessible and useful.The Google we know organizes the worldââ¬â¢s internet information and makes it accessible to us via its search engines using algorithms and state of the art technology. Even though Google currently at the top of their field currently, they still have competitors. Their business model must be changed continually to stay abreast of new ideas, new technology, and new competitors. Strengths Most efficient search engine on internet Brand equity ââ¬â most recognized brand name Needs very little end user marketing Very strong R and D skillsProvides an interface to approximately 88 languages State of art technology Not biased towards advertisers Ability to manage strategic change Executive Management Large cash flow Default search engine for many Innovative culture Comprehensive product mix Weaknesses Business model is complex Eccentric practices confuse/anger investors Poor product marketing Inappropriate organization Growth without direction Cumbersome hiring practices Opportunities Increase demand for information International market Computer literacy on the rise Expands profits with diversificationExploits new market segments Applies R and D skills in new areas Enters into new related businesses Applies brand name capital in new areas Seeks fast market growth Threats Legal challenges Multi industry competition Specialized search engines Click fraud Advertising space becoming more competitive RECOMENDATIONS Internet advertising is expected to continue to grow with search based advertising to account for 41. 2% of all U. S. Online advertising. Google will need to maintain its market dominance in order to stay on top of this game.As evidenced by Microsoft, who spent and lost billions attempting to build a search engine to complete with Google, it is most likely that competition will ultimately come from cooperation amoungs competitors. Recently, Microsoft and Yahoo have teamed up. Facebook also presents a threat to Google as it currently has in excess of 750 million users. Microsoft has invested over $210 million in Facebook. In order to continue to dominate, Google must continue to increase its offering of services such as e-mail (g-mail), a calendar, and photo sharing.This will lead to further loyalty with users. They must also continue to search for new areas of income thus diversifying. As example of this is ââ¬Å"google appsâ⬠and the word processing program ââ¬Å"Writelyâ⬠, both developed to compete with Microsoft. Another example is the Googleââ¬â¢s operating system for smart phones known as Android. Android let the market with a 31. 5% share of all smart phones sold in 2011. Analysts contend that Googleââ¬â¢s new product offerings have a mixed success record. Google must refine their R and D to pick more winners to be developed and offered to end users.Thi s mixed review of new products no doubt stems from the current corporate structure. It is reported that there is no current efficient allocation of corporate personnel resources and massive duplication amongst those resources. This and other employment strategies must be addressed. Google must also search for future partners to team with to further broaden income and user loyalty. An example of a partnership is the one between Google and U Tube. Should Google not find and further these potential partnerships, it competitors surely will. Google Case Study Katherine Carter Strategies and Policies Case Study 8 Internet Search and the Growth of Google In 1997 the domain name google. com was registered by two Stanford students name Sergey Bring and Larry Page. In 1998, it became a privately owned, incorporated company known as Google Inc. Within 6 years of its inception, Google acquired 75% of US web search market. Even the word ââ¬Å"googleâ⬠, became a verb in our society as one would say, ââ¬Å"letââ¬â¢s google him! â⬠. Google revolutionized the internet search industry by charging its advertisers differently that ever done before.First, they auctioned off certain ââ¬Å"key wordsâ⬠and when such key words were typed in a query, web users were directed to those advertisers web page. In addition, advertisers were charged on a ââ¬Å"per clickâ⬠based upon how many users actually clicked on their page. By 2010, 70% of all internet advertising was being spent at Google. That same year, Google had $29. 8 Billion in revenues with $8. 5 billion in net profit. Googleââ¬â¢s mission is to organize the worldââ¬â¢s information and make it universally accessible and useful.The Google we know organizes the worldââ¬â¢s internet information and makes it accessible to us via its search engines using algorithms and state of the art technology. Even though Google currently at the top of their field currently, they still have competitors. Their business model must be changed continually to stay abreast of new ideas, new technology, and new competitors. Strengths Most efficient search engine on internet Brand equity ââ¬â most recognized brand name Needs very little end user marketing Very strong R and D skillsProvides an interface to approximately 88 languages State of art technology Not biased towards advertisers Ability to manage strategic change Executive Management Large cash flow Default search engine for many Innovative culture Comprehensive product mix Weaknesses Business model is complex Eccentric practices confuse/anger investors Poor product marketing Inappropriate organization Growth without direction Cumbersome hiring practices Opportunities Increase demand for information International market Computer literacy on the rise Expands profits with diversificationExploits new market segments Applies R and D skills in new areas Enters into new related businesses Applies brand name capital in new areas Seeks fast market growth Threats Legal challenges Multi industry competition Specialized search engines Click fraud Advertising space becoming more competitive RECOMENDATIONS Internet advertising is expected to continue to grow with search based advertising to account for 41. 2% of all U. S. Online advertising. Google will need to maintain its market dominance in order to stay on top of this game.As evidenced by Microsoft, who spent and lost billions attempting to build a search engine to complete with Google, it is most likely that competition will ultimately come from cooperation amoungs competitors. Recently, Microsoft and Yahoo have teamed up. Facebook also presents a threat to Google as it currently has in excess of 750 million users. Microsoft has invested over $210 million in Facebook. In order to continue to dominate, Google must continue to increase its offering of services such as e-mail (g-mail), a calendar, and photo sharing.This will lead to further loyalty with users. They must also continue to search for new areas of income thus diversifying. As example of this is ââ¬Å"google appsâ⬠and the word processing program ââ¬Å"Writelyâ⬠, both developed to compete with Microsoft. Another example is the Googleââ¬â¢s operating system for smart phones known as Android. Android let the market with a 31. 5% share of all smart phones sold in 2011. Analysts contend that Googleââ¬â¢s new product offerings have a mixed success record. Google must refine their R and D to pick more winners to be developed and offered to end users.Thi s mixed review of new products no doubt stems from the current corporate structure. It is reported that there is no current efficient allocation of corporate personnel resources and massive duplication amongst those resources. This and other employment strategies must be addressed. Google must also search for future partners to team with to further broaden income and user loyalty. An example of a partnership is the one between Google and U Tube. Should Google not find and further these potential partnerships, it competitors surely will.
Friday, January 3, 2020
working memory - 18399 Words
SMITMC06_0131825089.QXD 3/28/06 6:57 AM Page 239 REVISED PAGES CHAPTER Working Memory 6 Le arn i ng O b j ec t i ves 1. Using Working Memory 1.1. A Computer Metaphor 1.2. Implications of the Nature of Working Memory 2. From Primary Memory to Working Memory: A Brief History 2.1. William James: Primary Memory, Secondary Memory, and Consciousness 2.2. Early Studies: The Characteristics of Short-Term Memory 2.2.1. Brevity of Duration 2.2.2. Ready Accessibility 2.3. The Atkinson-Shiffrin Model: The Relationship of Short-Term and LongTerm Memory 2.4. The Baddeley-Hitch Model: Working Memory 3. Understanding the Working Memory Model 3.1. The Phonological Loop: When It Works and When It Doesnââ¬â¢t 3.2. The Visuospatial Scratchpad 3.3. Theâ⬠¦show more contentâ⬠¦These short-term mental storage and manipulation operations are collectively called working memory. Think of working memory as involving a mental blackboardââ¬âthat is, as a workspace that provides a temporary holding store so that relevant information is highly accessible and available for inspection and computation. When cognitive tasks are accomplished, the information can be easily erased, and the process can begin again with other information. 1.1. A Computer Metaphor The computer, so useful a metaphor in cognitive psychology, offers an intuitively appealing model for thinking about the nature and structure of working memory. SMITMC06_0131825089.QXD 3/28/06 6:57 AM Page 241 REVISED PAGES 1. Using Working Memory Simplifying the workings of a computer, there are two means by which information is stored, the hard disk and random-access memory (RAM). The hard disk is the means by which information is stored permanently in a stable and reliable form; all software programs, data files, and the operating system of the computer are stored on the hard disk. 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