Land Breeze Definition

A land breeze is a local nighttime and early morning wind that occurs along coasts and blows offshore (from the land out to sea). It arises at sunset when the sea surface is warmer than the adjacent land due to the land cooling off faster and having a lower heat capacity, and continues into the early morning hours until the heating of the day begins. Although commonly associated with ocean shorelines, land breezes can also be experienced near lakes and other large bodies of water. An Overnight and Early Morning Wind Like all winds, land breezes form because of a difference in air pressure and temperature. During the day, the sun will heat land surfaces, but only to a depth of a few inches. At night, water will retain more of its heat than land surfaces. (This is because it has a higher heat capacity than land.) Land breezes usually occur at night. At night, the temperature of the land cools quickly without the insolation from the sun. Heat is rapidly re-radiated back to the surrounding air. The water along the shore will then be warmer than the coastal land, creating a net movement of air from the land surfaces towards the ocean. Why? Well, the movement of the wind is a result of differences in air pressure over the land and the ocean. Warm air is less dense and rises. Cool air is more dense and sinks. As the temperature of the land surfaces cool, the warm air rises and creates a small area of high pressure near the land surface. Since winds blow from areas of high to low pressure, the net movement of air (wind) is from the shore to the sea. Steps to Land Breeze Formation Heres a step-by-step explanation of how land breezes are created. Air temperatures decrease at night.Rising air creates a thermal low at the ocean surface.Cool air collects forming a high-pressure zone above the surface of the ocean.A low-pressure zone forms above the land surface from the rapid loss of heat.A high-pressure zone forms as the cooler land cools the air immediately above the surface.Winds aloft flow from the ocean to the land.Winds at the surface flow from high to low pressure creating a land breeze. Longer Near Summer's End As the summer wears on, the temperature of the sea will slowly rise in comparison to the daily temperature fluctuations of the land, meaning that the land breeze will last longer and longer. Nighttime Thunderstorms If there are sufficient moisture and instability in the atmosphere, land breezes can lead to overnight showers and thunderstorms just offshore. While you might be tempted to take a nighttime beach walk, be sure to follow these lightning safety guidelines to reduce your risk of a lightning strike. Watch your step as well, since storms can stir up and encourage jellyfish to wash ashore! Land breezes are the opposite of sea breezes -- gentle winds that develop over the ocean and blow onshore, keeping you cool during a scorching hot day on the beach.

David Hume s Views On Morality - 972 Words

Hume focused on the question does our morality come from our rational nature or our sentiment nature? According to Hume, the judgments and recommendations of morality arise not from reason, but from moral sense. Hume argued that virtue is always accompanied by a feeling of pleasure, and vice by a feeling of pain. Therefore, we praise an instance of virtuous action precisely because it stimulates in us a pleasing feeling, and we avoid committing a vicious action because we anticipate that doing so would yield pain. I don’t completely agree with Hume. I think that we equally need both sentiment and reasoning to make moral decisions. Our feelings provide a natural guide for moral conduct. I believe as human beings we rely on feelings to move us to act morally, and to ensure that our reasoning is not only logical but also humane. As people, we manifest empathy before developing our rational abilities, and there is evidence for the same order of development in the evolution of the human brain. Rousseau argued that once people have achieved awareness of themselves as social beings, morality also becomes possible and this relies on the further capacity of conscience. Morality, to him, has to do with the application of reason to human affairs and conduct which requires conscience. Rousseau viewed conscience as the mental ability that is the source of moral motivation. Rousseau praised humans in the state of nature. Though the human being is naturally good and free from the vicesShow MoreRelatedKant And David Hume Views On The Matter1457 Words   |  6 Pagesand feel some sort of emotion. Objectively speaking, there is a no fine line between reasoning and how one feels, however there seems to be a distinct difference between the philosophers Immanuel Kant and David Hume views on the matter. 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How Does Fatigue Affect Labour Productivity Free Essays

1) How does fatigue affect Labour Productivity? Fatigue affects labour productivity by impairing the ability of a worker to carry out his/her required duties as expected and in a safe manner. With increase in fatigue comes a reduction in muscular strength, attention to details and loss of concentration. A worker or employee who is gradually losing strength, losing concentration and not giving attention to details is usually more prone to mistakes and would not be able to work at his/her optimum level. We will write a custom essay sample on How Does Fatigue Affect Labour Productivity or any similar topic only for you Order Now Fatigue has also been known to affect employee health. A common example is Chronic fatigue syndrome (CFS), which is a debilitating chronic illness affecting various people worldwide (Lin et. Al. , 2011). Those affected endure chronic, incapacitating physical and mental fatigue that is not relieved by rest. This illness is exacerbated by physical or mental exertion and is accompanied by impaired memory and concentration, unrefreshing sleep, muscle and joint pain, and other defining symptoms (www. ncbi. nlm. nih. gov). It doesn’t require rocket science to assert that an employee/worker whose health is adversely affected would never perform any given task to satisfaction. 2) Major factors that contribute to increase in fatigue in workers. * Working conditions * Noise: Wokocha and Sopruchi (2010) in their study explained that noise effects are both health and behavioural in nature. He further said that unwanted sound can damage Physiological and psychological health. And any worker whose health is affected cannot perform any given task properly. Noise pollution can cause annoyance and aggression, hypertension, high stress levels, tinnitus, hearing loss, sleep disturbances, fatigue, make conversation difficult as well as leads to productivity losses due to poor concentration. * Heat stress: heat stress occurs when the body takes in and/or produces more heat than it gives off, thus raising the core body temperature beyond normal. It could happen due to the combination of high air temperature, high humidity, high radiation heat input, high energy expenditure (due to physical workload) and high metabolism (Groover, 2007). Heat usually hampers the ability of an employee to work efficiently. * Cold * Humidity * General state of health of employees * Nature of work * Posture during work * Muscular exertion * Tediousness * Stress * Repetitiveness with a short cycle. * Jobs that require high concentrations * Eye strain ( Kanawaty, 1992) 3) How the use of machines negatively affect workers The use of machines especially in manufacturing industries is usually accompanied with noise, vibration, monotony, and high concentration on the part of the workers who use them. The accumulated effects of vibrations usually affect the hands and the arms; monotony creates boredom and a job that requires a high level of concentration usually requires a lot of energy. All these contribute to a gradual reduction in muscular strength and an increase in fatigue; as fatigue increases, attention and concentration decreases, making the worker more prone to injuries and a subsequent loss in productivity. 4) The reasons for giving workers more relaxation allowances for using some machines while others require less. More relaxation allowance| Less relaxation allowance| 1) Partial or complete absence of noise reduction components on machines| Presence of noise reduction components on machines. | 2) A high level of machine vibration| A considerable level of machine vibration| 3) Attention not given to reduction of vibration and noise. | Ergonomically built machines with attention given to noise and vibration reductions. | | | References. Jin-Mann S Lin, Stephen C Resch, Dana J Brimmer, Andrew Johnson, Stephen Kennedy, Nancy Burstein and Carol J Simon(2011). The economic impact of chronic fatigue syndrome in Georgia: direct and indirect costs. Journal of Cost Effectiveness and Resource Allocation. Volume 9. Retrieved from http://www. resource-allocation. com/content/9/1/1 on 15/11/2012 Wokocha G. A. and Sopruchi Ihenko (2010). Industrial Noise Level and its Impact on Oil Company Workers in Rivers State, Nigeria. Middle Eastern Finance and Economics ISSN: 1450-2889 Issue 8. Retrieved from http://www. eurojournals. com/MEFE. htm on 15/11/2012. Groover, M. P. (2007). Work Systems and The Methods; Measurement and Management of Work. pp 661 How to cite How Does Fatigue Affect Labour Productivity, Essay examples

Chemalite Case Study free essay sample

1. Record the effects of Chemalite’s 1991 events on the BSE worksheet Cash Flow type (O, I, F) Event Cash A/R 375,000 F P1 (7,500) I P2 (62,500) I P3 (75,000) O P4 230,000 O O O O O O I F T1 T2 T3 T4 T5. 1 T5. 2 T6 T7. 1 T7. 2 O1 O2 O3 O4 O5 Total (23,750) 685,000 69,500 (175,000) (22,500) (350,000) (80,000) (150,000) 50,000 (50,750) Inventory 75,000 75,000 Patent Cap. Exp. PPE 125,000 7,500 62,500 125,000 7,500 Notes Pay 62,500 Paid in Capital RE 500,000 500,000 Balance Sheet 175,000 (22,500) Adv. Expense 350,000 (80,000) Admin Expenses 150,000 F 50,000 (50,000) O (750) (545,000) (25,000) (10,625) (25,000) (10,625) 69,500 (23,750) RD Expense 754,500 Revenue (545,000) 113,000 RE Explanation 55,000 100,000 7,500 201,875 500,000 Interest Expense Inv. Adjustment Amort. Expense Depr. Expense 46,875 Balance Sheet 15. 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Balance Sheet (6/31/91): Assets Cash Accounts Receivable Inventories Total Current Assets Property, Plant, Equipment Other (Capitalized Start-up Expenses) Patent Total Assets Liabilities and Stockholders Equity Common Stock Retained earnings Total Liabilities and SE 230,000 75,000 305,000 62,500 7,500 125,000 500,000 500,000 500,000 15. 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Income Statement (For 6 months June 30, 1991): Revenue Costs and Expenses Advertising Administration Manufacturing costs Raw materials RD Interest Depreciation Amortization of patent Net Income 15. We will write a custom essay sample on Chemalite Case Study or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Direct Statement of Cash Flows (6 months ended June 30, 1991): Cash provided (used) by operating activities Received from customers Paid for inventory Paid for advertising Paid for manufacturing costs Paid for administration Paid for interest Paid for RD expenses (75,000) (75,000) Cash provided (used) by investing activities Start-up expenses Purchase of PPE (7,500) (62,500) (70,000) Cash provided (used) by financing activities Cash from stock issuance 375,000 375,000 Increase (decrease) in cash balance Beginning cash balance Ending cash balance 230,000 230,000 15. 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Balance Sheet (December 31, 1991): Assets Cash Accounts Receivable Inventories Total Current Assets Property, Plant, Equipment Other (Capitalized Start-up Expenses) Patent Total Assets Liabilities and Stockholders Equity Common Stock Retained earnings Total Liabilities and SE 113,000 69,500 55,000 237,500 201,875 7,500 100,000 546,875 500,000 46,875 546,875 15. 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Income Statement (Six months ended December 31, 1991): Revenue Costs and Expenses Advertising Administration Manufacturing costs Raw materials RD Interest Depreciation Amortization of patent 754,500 22,500 80,000 350,000 195,000 23,750 750 10,625 25,000 707,625 Net Income 46,875 15. 515 Fall 2003 Session 1 Problem Set #2: Chemalite Case 3. Direct Statement of Cash Flows (For 6 months ended Dec. 31, 1991): Cash provided (used) by operating activities Received from customers Paid for inventory Paid for advertising Paid for manufacturing costs Paid for administration Paid for interest Paid for RD expenses 685,000 (175,000) (22,500) (350,000) (80,000) (750) (23,750) 33,000 Cash provided (used) by investing activities Start-up expenses Purchase of PPE (150,000) (150,000) Cash provided (used) by financing activities Cash from stock issuance Increase (decrease) in cash balance Beginning cash balance Ending cash balance (117,000) 230,000 113,000 15. 515 Fall 2003 Session 1