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27. Your answers in question 26 should show w doesn't change significantly throughout the day. Therefore, what variable is mainly responsible for daily RH changes instead? Explain your reasoning. (Note: refer to your answers to questions 14, 16, and 25)

27. Your answers in question 26 should show w doesn't change significantly throughout the day. Therefore, what variable is mainly responsible for daily RH changes instead? Explain your reasoning. (Note: refer to your answers to questions 14, 16, and 25)

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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Your answers in the previous two questions should show w doesn’t change significantly throughout the day. Therefore, what variable is mainly responsible for daily RH changes instead? Explain your reasoning.

### Analysis of Temperature, Dew Point, and Relative Humidity in a Mid-Latitude City #### Figure 3: Curves of temperature (Tᵃ), dew point (Td), and relative humidity (RH) during two consecutive days for a typical mid-latitude city This graph illustrates the variation in air temperature (Tᵃ in °F), dew point temperature (Td in °F), and relative humidity (RH in %) over two consecutive days in a mid-latitude city. - **X-Axis (Horizontal):** Represents the time of day, spanning from 6 A.M. on Day 1 to 6 A.M. on Day 2. Key time points are labeled: 6 A.M., Noon, 6 P.M., Midnight, and 6 A.M. again. - **Y-Axis (Left Vertical):** Measures temperature, with values ranging from 30°F to 80°F. - **Y-Axis (Right Vertical):** Measures relative humidity, with values ranging from 50% to 100%. #### Key Observations: 1. **Air Temperature (Solid Line):** - Begins at approximately 30°F at 6 A.M. on Day 1. - Peaks just above 60°F around 3 P.M. on Day 1. - Decreases gradually, dropping below 50°F by midnight. - Rises again to nearly 50°F by 6 A.M. on Day 2. 2. **Dew Point Temperature (Solid Curve):** - Starts slightly below 30°F at 6 A.M. on Day 1. - Shows an overall gradual increase throughout the day, reaching around 38°F in the afternoon. - Exhibits a minor drop during the night but remains relatively stable. 3. **Relative Humidity (Dotted Line):** - Kicks off close to 80% at 6 A.M. on Day 1. - Drops to below 50% by noon and remains low in the early afternoon. - Increases again, exceeding 60% by evening and approaching 80% by 6 A.M. on Day 2. #### Interpretation: - **Daily Temperature Cycle:** - The air temperature follows a typical diurnal pattern, rising during daylight hours due to solar heating and falling at night. - **Dew Point Fluctuations:**
Transcribed Image Text:### Analysis of Temperature, Dew Point, and Relative Humidity in a Mid-Latitude City #### Figure 3: Curves of temperature (Tᵃ), dew point (Td), and relative humidity (RH) during two consecutive days for a typical mid-latitude city This graph illustrates the variation in air temperature (Tᵃ in °F), dew point temperature (Td in °F), and relative humidity (RH in %) over two consecutive days in a mid-latitude city. - **X-Axis (Horizontal):** Represents the time of day, spanning from 6 A.M. on Day 1 to 6 A.M. on Day 2. Key time points are labeled: 6 A.M., Noon, 6 P.M., Midnight, and 6 A.M. again. - **Y-Axis (Left Vertical):** Measures temperature, with values ranging from 30°F to 80°F. - **Y-Axis (Right Vertical):** Measures relative humidity, with values ranging from 50% to 100%. #### Key Observations: 1. **Air Temperature (Solid Line):** - Begins at approximately 30°F at 6 A.M. on Day 1. - Peaks just above 60°F around 3 P.M. on Day 1. - Decreases gradually, dropping below 50°F by midnight. - Rises again to nearly 50°F by 6 A.M. on Day 2. 2. **Dew Point Temperature (Solid Curve):** - Starts slightly below 30°F at 6 A.M. on Day 1. - Shows an overall gradual increase throughout the day, reaching around 38°F in the afternoon. - Exhibits a minor drop during the night but remains relatively stable. 3. **Relative Humidity (Dotted Line):** - Kicks off close to 80% at 6 A.M. on Day 1. - Drops to below 50% by noon and remains low in the early afternoon. - Increases again, exceeding 60% by evening and approaching 80% by 6 A.M. on Day 2. #### Interpretation: - **Daily Temperature Cycle:** - The air temperature follows a typical diurnal pattern, rising during daylight hours due to solar heating and falling at night. - **Dew Point Fluctuations:**
### Questions for Atmospheric Science Class **Question 26:** Approximating the values in the available data in Figure 3, calculate the \( w \) values at 12 PM and 12 AM. *(Note: temperature is approximately 50 and 41 °F at these times, respectively)* **Explanation:** To solve this question, locate Figure 3 within your provided materials. Using the data points from the graph, identify the specific humidities (denoted as \( w \)) at the given times, when the temperatures are approximately 50 °F and 41 °F. Use these temperatures to approximate the specific humidities. **Question 27:** Your answers in question 26 should show \( w \) doesn’t change significantly throughout the day. Therefore, what variable is mainly responsible for daily RH changes instead? Explain your reasoning. *(Note: refer to your answers to questions 14, 16, and 25)* **Explanation:** Review your calculations from question 26 to confirm that the specific humidity \( w \) remains consistent during the day. Given this stability, discuss the variable that primarily affects the relative humidity (RH) changes observed throughout the day. Utilize your previous responses (questions 14, 16, and 25) to support your explanation. These questions might have covered related environmental or meteorological factors that influence RH.
Transcribed Image Text:### Questions for Atmospheric Science Class **Question 26:** Approximating the values in the available data in Figure 3, calculate the \( w \) values at 12 PM and 12 AM. *(Note: temperature is approximately 50 and 41 °F at these times, respectively)* **Explanation:** To solve this question, locate Figure 3 within your provided materials. Using the data points from the graph, identify the specific humidities (denoted as \( w \)) at the given times, when the temperatures are approximately 50 °F and 41 °F. Use these temperatures to approximate the specific humidities. **Question 27:** Your answers in question 26 should show \( w \) doesn’t change significantly throughout the day. Therefore, what variable is mainly responsible for daily RH changes instead? Explain your reasoning. *(Note: refer to your answers to questions 14, 16, and 25)* **Explanation:** Review your calculations from question 26 to confirm that the specific humidity \( w \) remains consistent during the day. Given this stability, discuss the variable that primarily affects the relative humidity (RH) changes observed throughout the day. Utilize your previous responses (questions 14, 16, and 25) to support your explanation. These questions might have covered related environmental or meteorological factors that influence RH.
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