Difference between revisions of "AY Honors/Weather - Advanced/Answer Key/es"

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|honorname=Climatología - Avanzado
 
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|skill=2
 
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|year=1949
 
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|category=Estudio de la naturaleza
 
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|authority=Asociación General
 
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<!-- 3. What are cold fronts and warm fronts? How do they move and what weather con­ditions do they produce? -->
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<!-- 3. ¿Cuáles son los frentes fríos y frentes cálidos? ¿Cómo se mueven y que condiciones meterológicas producen? -->
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===Cold Fronts===
 
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[[Image:Cold front symbol.svg|thumb|400px|The symbol of a cold front: a blue line with triangles pointing in the direction of travel.]]
 
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A cold front is defined as the leading edge of a cooler and drier mass of air. The air with greater density wedges under the less dense warmer air, lifting it, which can cause the formation a narrow line of showers and thunderstorms when enough moisture is present. This upward motion causes lowered pressure along the cold front. On weather maps, the surface position of the cold front is marked with the symbol of a blue line of triangles/spikes (pips) pointing in the direction of travel. Cold fronts can move up to twice as fast as warm fronts, and produce sharper changes in weather than warm fronts, since cold air is denser than warm air it rapidly replaces the warm air preceding the boundary. Cold fronts are typically accompanied by a narrow band of showers and thunderstorms. Cold fronts are usually associated with an area of low pressure, and sometimes, a warm front.
 
  
 
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<!-- 5. Explain the action of a registering thermometer, registering barograph, hygrometer, and an anemometer. -->
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<!-- 5. Explicar la acción de un termómetro de registro, barógrafo de registro, higrómetro y un anemómetro. -->
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===Registering Thermometer===
 
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[[Image:Max Min Thermometer.JPG|250px|right|thumb|A Maximum Minimum thermometer, also known as Six’s thermometer after its inventor. The scales are Fahrenheit on the inside of the U and Celsius on the outside. The current temperature is 23 degrees Celsius, The maximum recorded is 25, and the minimum is 15, both read from the base of the small markers in each arm of the U tube. The bulbs are hidden by a plastic housing.]]
 
  
 
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<!-- 6. Correctly read a daily weather map as published by the National Weather Service, explaining the symbols and telling how predictions are made. -->
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<!-- 6. Leer correctamente un mapa meterológico diario según los datos publicados por el servicio meteorológico nacional, explicar los símbolos y decir cómo se hacen las predicciones. -->
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The amount of water that air can hold depends on the temperature.  The hotter it gets, the more water the air can hold.  At any given temperature, the air can become so saturated with water that it cannot hold any more.  Water will not evaporate under this condition.
 
  
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The ratio of how much water is in the air compared to how much ''could'' be in the air is the relative humidity.  The relative humidity is 100% when the air can hold no more water. 
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Recall that the air can hold more water when it is warm as compared to when it is cold.  Therefore, if the temperature changes while the amount of water in the air remains constant, the humidity will change.  As the air warms, the relative humidity will drop.  As it cools, the relative humidity will rise. 
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The dew point is the temperature for which the relative humidity will be 100% assuming the amount of water in the air remains unchanged.  If the temperature drops below the dew point, the air will no longer be able to hold all the water, so it condenses out in the form of dew or fog.
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<!-- 8. Draw a cross section of the atmosphere, showing its five layers and describe them. -->
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[[Image:Edge of Space.png|left|thumb]]
 
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The Earth's atmosphere consists, from the top down, of the exosphere, thermosphere, mesosphere, stratosphere, and the troposphere.
 
  
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===Exosphere===
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The exosphere is the uppermost layer of the atmosphere. On Earth, its lower boundary at the edge of the thermosphere is estimated to be 500 km to 1000 km above the Earth's surface, and its upper boundary at about 10,000 km. It is only from the exosphere that atmospheric gases, atoms, and molecules can, to any appreciable extent, escape into space. The main gases within the exosphere are the lightest gases, mainly hydrogen, with some helium, carbon dioxide, and atomic oxygen near the exobase. The exosphere is the last layer before space.
 
  
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===Thermosphere===
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The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere. Within this layer, ultraviolet radiation causes ionization.  It is the fourth atmospheric layer from earth.
 
  
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The thermosphere begins about 80 km above the earth. At these high altitudes, the residual atmospheric gases sort into strata according to molecular mass. Thermospheric temperatures increase with altitude due to absorption of highly energetic solar radiation by the small amount of residual oxygen still present. Temperatures are highly dependent on solar activity, and can rise to 2,000°C. Radiation causes the air particles in this layer to become electrically charged, enabling radio waves to bounce off and be received beyond the horizon.
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===Mesosphere===
 
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The mesosphere is the layer of the Earth's atmosphere that is directly above the stratosphere and directly below the ionosphere. The mesosphere is located from about 50 km to 80-90 km altitude above Earth's surface. Within this layer, temperature decreases with increasing altitude. The main dynamical features in this region are atmospheric tides, internal atmospheric gravity waves (usually just called "gravity waves") and planetary waves. Most of these waves and tides are excited in the troposphere and lower stratosphere and propagate upward to the mesosphere. In the mesosphere, gravity-wave amplitudes can become so large that the waves become unstable and dissipate. This dissipation deposits momentum into the mesosphere and largely drives its global circulation.
 
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===Stratosphere===
 
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The stratosphere is the second layer of Earth's atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. This is in contrast to the troposphere near the Earth's surface, which is cooler higher up and warmer farther down. The border of the troposphere and stratosphere, the tropopause, is marked by where this inversion begins, which in terms of atmospheric thermodynamics is the equilibrium level. The stratosphere is situated between about 10 km (6 miles) and 50 km (31 miles) altitude above the surface at moderate latitudes, while at the poles it starts at about 8 km (5 miles) altitude.
 
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===Troposphere===
 
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The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 75% of the atmosphere's mass and almost all of its water vapor and aerosols.
 
  
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The average depth of the troposphere is about 11 km in the middle latitudes. It is deeper in the tropical regions (up to 20 km) and shallower near the poles (about 7 km in summer, indistinct in winter).
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<!-- 9. Keep a daily weather chart for three weeks. Include the following: -->
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<!-- 9. Mantener un diario gráfico meteorológicas durante 3 semanas. Incluir lo siguiente: -->
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This requirement is very similar to one found in the [[Investiture_Achievement/Explorer/Nature_Study|Explorer IA curriculum]], except that Explorers are required to keep these records for two weeks and take readings twice a day.  You can also combine these requirements with those in the [[../Weather|Weather]] honor.  If you forget to take records for a day, do not despair.  As long as you have 21 readings, you can count this as three weeks.
 
 
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If you chose to make a rain gauge in the [[../Weather|Weather]] honor, you can use that here.  Otherwise, you can find official records online in many places, including  [http://www.wunderground.com/ The Weather Underground].  Enter your zip code, and all the readings needed will be displayed (except for cloud formations).
 
  
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You can download a tracking chart here and give one to each of your students.
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If you decide to build a barometer, you can use official readings to calibrate it.
 
  
 
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Note the cloud types (Cirrus, Stratus, Cumulus, or Nimbus).
 
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Unless you have a registering thermometer or a digital thermometer that records the daily extremes, this will have to come from official records.
 
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If you make your own anemometer, be aware that the reading will vary substantially throughout the day.  Therefore, you should not be discouraged if your readings and the official readings to not agree.
 
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When you record the day's weather, jot down the forecast as well.  The comparisons can be made the next day or at the end of the three week period.
 
  
 
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<!-- 10. Discuss the effect of mankind on weather. -->
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<!-- 10. Discutir el efecto de la humanidad sobre el clima. -->
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Man has a greater impact on the climate than on the weather.  The weather is the day-to-day conditions, while the climate covers long term averages.  Man's production of greenhouse gases (such as carbon dioxide) has had and is having an effect on the global climate.  These changes affect rainfall (increases in some areas, decreases in others) and the severity of storms.
 
  
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Note too that the temperature in the city is invariably warmer than the temperature in the outlying areas.  This is mostly because of pavement which readily absorbs heat during the day and then releases it during the night.
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Dams create reservoirs which facilitate more evaporation than if the river were allowed to flow naturally.  This increases both humidity as well as rainfall.
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==Referencias==
 
==Referencias==
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[[Category:Adventist Youth Honors Answer Book/es]]
 
 
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Latest revision as of 15:48, 3 January 2023

Other languages:
English • ‎español
Climatología - Avanzado

Nivel de destreza

2

Año

1949

Version

16.11.2024

Autoridad de aprobación

Asociación General

Weather Advanced AY Honor.png
Climatología - Avanzado
Estudio de la naturaleza
Nivel de destreza
123
Autoridad de aprobación
Asociación General
Año de introducción
1949
Vea también
Explorador



1

Tener la especialidad de Climatología.


Para consejos e instrucciones, véase Climatología.


2

Explicar las condiciones meteorológicas ciclónicas y anticiclónicas, y saber cómo se producen los cambios climáticos.



3

¿Cuáles son los frentes fríos y frentes cálidos? ¿Cómo se mueven y que condiciones meterológicas producen?



4

Explicar las siguientes condiciones meteorológicas:


4a

Vientos Chinook



4b

Vientos asilios



4c

Cinturón de calma



4d

Los tornados



4e

Zona de ráfagas y cambios violentos



4f

Tifones



4g

Los huracanes



4h

Borrascas



4i

Tormentas de nieve




5

Explicar la acción de un termómetro de registro, barógrafo de registro, higrómetro y un anemómetro.



6

Leer correctamente un mapa meterológico diario según los datos publicados por el servicio meteorológico nacional, explicar los símbolos y decir cómo se hacen las predicciones.















7

¿Qué se enteinde por humedad relativa y el punto de rocío?



8

Dibujar una sección transversal de la atmósfera, mostrando sus cinco capas y describirlas.



9

Mantener un diario gráfico meteorológicas durante 3 semanas. Incluir lo siguiente:


9a

Cantidad de precipitación (tomar estos datos de algún dispositivo de fabricación casera o de documentos oficiales)



9b

Lectura de presión atmosférica/barómetro



9c

La formación de las nubes


9d

Temperaturas altas y bajas


9e

Velocidad y dirección del viento


9f

Pronósticos del clima y compararlos a lo que realmente ocurrió




10

Discutir el efecto de la humanidad sobre el clima.




Referencias

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