El Nino: Past, Present, and Future
El Nino is both an atmospheric and oceanic phenomenon affecting weather patterns all around the world. It is complemented by La Nina in a cycle that occurs approximately every 4 years, varying as much as every two years to every six years (Wang 1999, 3331). La Nina has almost the opposite effect, however differs in its strength and duration randomly, as does El Nino (Fedorov 2000, 1998). The cycle is often paraphrased as ENSO, standing for El Nino-Southern Oscillation (Flugel 1997, 3230). It is called this because the El Nino phenomenon is especially strong in the Southern Hemisphere, and has greater effects in areas of the pacific near the equator. Although ENSO is prominent in certain areas, it alters weather patterns all around the world. The El Nino pattern can be quite random with and approximate range of 2 to 6 years per cycle, and is a loaded gun believed to be triggered by western winds (Fedorov 2000, 1997). Many scientists are now looking to the past for answers, so the El Nino cycle can be predicted for the years to come. New discoveries have recently been made on El Nino's history, and possible future.
Recent El Nino's and La Nina's have shown that there is no effect of the strength and duration of one on the other (Fedorov 2000, 1998). The last one in 1997 was among the strongest, next to the 1982 El Nino (Fedorov 1997). Although the ENSO is relatively unpredictable, some scientists believe it to be dependent upon the intensity of trade winds and the depth of the thermocline (Fedorov 2000, 1997). A thermocline is the layer of water that rests between the upper and lower layer water that are categorized by the water temperature (Fedorov 2000, 1997). For example, off the coast of Peru...
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... could argue that these alterations from the normal ENSO cycle could be due to global warming. Right now more research is being conducted, which would be necessary to prove this theory. Only time can tell us whether we will need to beware of El Nino's wrath in the future or whether El Nino will be tapering out.
Works Cited
Fedorov, Alexey V. and S. George Philander. "Is El Nino Changing?". Science: vol. 288, June 16, 2000, pp. 1997-2001.
Flugel, Moritz and Ping Chang. "Does the Predictability of ENSO Depend on the Seasonal Cycle?". Journal of Atmospheric Sciences: vol. 55, No. 21, pp. 3230-3243.
Kerr, Richard A. "El Nino Grew Strong As Cultures Were Born". Science: vol. 283, Jan 22, 1999, pp. 467-468.
Wang, Risheng and Bin Wang. "Phase Space Representation and Characteristics of El Nino-La Nina". Journal of Atmospheric Sciences: vol. 57, No. 19, pp. 3315-3333.
Mark Cane, scientist at Columbia University, discusses numerous places around the world that suffer famine and fires due to the effects of El Nino, even mentioning an occurrence here in the United States of an extreme snow storm caused by this event1. According to NOAA, El Nino occurs every 2-7 years and is detected by satellites, buoys, and sea level analysis . If scientists are aware of when El Nino is occurring then they are also aware of what changes in weather it is causing and can therefore connect these disasters to the event. It is
Three flat-bottomed vials were obtained and labeled one through three. 3 mL of hydrogen peroxide was distributed to each of the vials. One drop of liquid soap was then added to each of the vials. The contents of the vials were gently swirled to ensure mixture of the hydrogen peroxide and soap. In each vial, a pH buffer was added; vial one received pH 2 buffer, vial two received pH 7 buffer, and vial three received pH 12 buffer. 1mL of catalase was then placed into each vial and the reaction was timed for 2 minutes. At the end of two minutes, the bubble column produced was measured and recorded into Table 3. The results were then graphed, as shown in Figure
To record the results of Oxygen created from decomposing Hydrogen peroxide with catalase that are either heated, cooled of left in room temperature.
The purpose of this assessment was to research, design and conduct an experimental investigation on the effect of substrate concentration (manipulated by increasing concentration of pH buffer) of catalysed reactions by measuring the volume of oxygen produced as the reaction proceeded.
How does the temperature (-2°C, 20°C, 30°C, 40°C, 60°C) affect the production of oxygen (cm3) from cow hepatic (the enzyme catalase) when placed in boiling tube with 10 ml of 3% hydrogen peroxide for 1 minute?
The problem with some methods of parenting is the effects that they can have on the child; therefore, it is so important to fully understand the differences between parenting styles. Authoritarian parenting is when the parent demands their child to obey them, no matter the circumstances. This type of parenting
Parenting styles refer to a set of different manners in which parents raise their children. There are four parenting styles including authoritarian, authoritative, permissive, and uninvolved parenting. The authoritarian parenting style is based on the implementation of rules, and on the idea that all rules should be followed without exceptions. Similarly, authoritative parenting style implements rules, but the child feelings are taken in consideration and reasonable exceptions to the rule are allowed. On the other hand, in permissive parenting style, there is implementation of rules, but they are rarely encouraged to be followed. Lastly, in uninvolved parenting style, there is a lack of engagement between parents and children, and there are
A parent that is an authoritative shows the child love and support; but also wants to see them succeed in life. They give explanations to their child, it is not “because I said so” and that’s the end of the discussion. Like I mentioned before this is how my father parented me. He gave me examples and explanations on why I couldn’t do something, etc. The authoritative parenting style is how my older sister parents her son. I see all the positive effects that it has on him and I wish to parent that way as well.
The "Ocean Events" GRACE â Uncovering the 2010-11 Decline in Global Mean Sea Level and Its Relation to ENSO (October, 2012). N.p., 8 Oct. 2012. Web. The Web.
There are many causes and consequences of climate change discussed throughout this Encyclical. One of the most important would be the extreme weather. “In recent decades this warming has been accompanied by a constant rise in the sea level and, it would appear, by an increase of extreme weather events, even if a scientifically determined cause
“Climate change: How do we know?” NASA. NASA n. d. n. pag. Web. 28 November
In essence, the main objective was to use chemical titration to measure and then calculate the rate of conversion of hydrogen peroxide (H2O2) to water and oxygen by using the enzyme catalase. Other purposes of the lab were; to measure the effects of changes of temperature, pH, enzymes concentration, and substrate concentration on rates of an enzyme. The lab was also an opportunity to see a catalyzed reaction in a controlled experiment. And the last objective was to learn how environmental factors affect the rate of enzyme catalyzed reactions.
The Concentration of Hydrogen Peroxide and Speed of The Rate at Which It is Broken Down by Catalase
The current in the ocean distributes the effects of weather worldwide. Some currents carry warm water from the tropical and subtropical regions toward the poles, whil...
An El Nino happens in intervals of 3-7 years. The formation of this is related to the Pacific Southern Oscillation which is also the cycling of the Pacific Ocean circulation. The Pacific Southern Oscillation (the change of atmospheric pressures) happens when the easterly trade winds collapse, weaken, or even reverse. As this happens, the upwelling stops. The slight weakening of the winds cause a small change in sea surface temperatures, and the wind and pressure changes increase. The warm water of the western Pacific Ocean flow eastward and sea surface temperatures increase on the western coast of South America. When this occurs, the wet weather conditions (originally in the western Pacific) move east, and dry conditions (normally in the east) appear in the west.