Difference between revisions of "IS428 AY2019-20T1 Assign Lee Cheng Leng Findings"

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Task 1:
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Visualize radiation measurements over time from both static and mobile sensors to identify areas where radiation over background is detected. Characterize changes over time. <br>
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<br>
 
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Visualize radiation measurements over time from both static and mobile sensors to identify areas where radiation over background is detected. Characterize changes over time.
 
 
Limit your response to 6 images and 500 words.
 
Limit your response to 6 images and 500 words.
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<br>
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Task 2:
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{| class="wikitable"
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<br>
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Use visual analytics to represent and analyze uncertainty in the measurement of radiation across the city.
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! S/N !! Findings !! Visual Proof
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a. Compare uncertainty of the static sensors to the mobile sensors. What anomalies can you see? Are there sensors that are too uncertain to trust?
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b. Which regions of the city have greater uncertainty of radiation measurement? Use visual analytics to explain your rationale.
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| 1.1 || From the surface radiation concentration map based on readings from mobile sensors, we can see that there is little radiation above background for the first two days of the simulation, namely 6th April and 7th April 2020. This is supported by the static sensor readings as well, which record low radiation readings in each sensor on the two days.
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c. What effects do you see in the sensor readings after the earthquake and other major events? What effect do these events have on uncertainty?Limit your responses to 12 images and 1000 words.
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<br>
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[[File:Task1-1.png|600px|frameless]]
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Task 3:
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[[File:Task 1-2.png|600px|frameless]]
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<br>
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Given the uncertainty you observed in question 2, are the radiation measurements reliable enough to locate areas of concern?
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a. Highlight potential locations of contamination, including the locations of contaminated cars. Should St. Himark officials be worried about contaminated cars moving around the city?
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| 1.2|| From 8th April, there are greater radiation levels detected among the northern areas of St. Himark.
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b. Estimate how many cars may have been contaminated when coolant leaked from the Always Safe plant. Use visual analysis of radiation measurements to determine if any have left the area.
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c. Indicated where you would deploy more sensors to improve radiation monitoring in the city. Would you recommend more static sensors or more mobile sensors or both? Use your visualization of radiation measurement uncertainty to justify your recommendation.
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This could be due to the earthquake which affected the northern neighbourhoods of St Himark, such as Old Town and Safe Town. This could have caused the Always Safe Nuclear Plant to experience a coolant leak, which is spreading through the city as shown.  
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Limit your responses to 12 images and 1000 words
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<br>
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The above explanation is also supported by the static sensor data, which shows the towns of Old Town and Safe Town experiencing high levels of radiation of up to 737cpm detected by static sensor 13, located near the nuclear plant.  
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Task 4:
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<br>
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The locations of high radiation are consistent with the shakemap of the earthquake. This shows that the northern region of St. Himark experienced the highest shake intensity. (Shake map obtained from MC1)
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Summarize the state of radiation measurements at the end of the available period. Use your novel visualizations and analysis approaches to suggest a course of action for the city. Use visual analytics to compare the static sensor network to the mobile sensor network. What are the strengths and weaknesses of each approach? How do they support each other?
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|| [[File:Task1-2.png|600px|frameless]]
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Limit your response to 6 images and 800 words.
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<br>
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| 1.3|| There are multiple high radiation readings detected at Wilson Forest Highway from 9th April, 1900 to 10th April, 0700. This could be due to contamination from other neighbouring cities that is accessed by the highway, since there was a sudden spike in readings. || [[File:Task1-3.png|600px|frameless]]
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Task 5:
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<br>
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| 1.4|| Generally, it was found that the radiation readings are lower past midnight till early morning as compared to in the day. This could be because the nuclear plant is not in operation at that time, or because there is less movement of cars and hence fewer radiation readings are taken which means that there would be a lack of data for this timeframe. || [[File:Task1-4.png|600px|frameless]]
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The data for this challenge can be analyzed either as a static collection or as a dynamic stream of data, as it would occur in a real emergency. Describe how you analyzed the data - as a static collection or a stream. How do you think this choice affected your analysis?
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Limit your response to 200 words and 3 images.
 

Latest revision as of 16:43, 12 October 2019

Frederic-paulussen-LWnD8U2OReU-unsplash.jpg VAST 2019 MC2: Citizen Science to the Rescue

Overview

Data Exploration and Transformation

Interactive Visualisation

Task Findings

References

Task 1

Task 2

Task 3

Task 4

Task 5

Visualize radiation measurements over time from both static and mobile sensors to identify areas where radiation over background is detected. Characterize changes over time.
Limit your response to 6 images and 500 words.

S/N Findings Visual Proof
1.1 From the surface radiation concentration map based on readings from mobile sensors, we can see that there is little radiation above background for the first two days of the simulation, namely 6th April and 7th April 2020. This is supported by the static sensor readings as well, which record low radiation readings in each sensor on the two days.

Task1-1.png Task 1-2.png

1.2 From 8th April, there are greater radiation levels detected among the northern areas of St. Himark.

This could be due to the earthquake which affected the northern neighbourhoods of St Himark, such as Old Town and Safe Town. This could have caused the Always Safe Nuclear Plant to experience a coolant leak, which is spreading through the city as shown.

The above explanation is also supported by the static sensor data, which shows the towns of Old Town and Safe Town experiencing high levels of radiation of up to 737cpm detected by static sensor 13, located near the nuclear plant.

The locations of high radiation are consistent with the shakemap of the earthquake. This shows that the northern region of St. Himark experienced the highest shake intensity. (Shake map obtained from MC1)

Task1-2.png
1.3 There are multiple high radiation readings detected at Wilson Forest Highway from 9th April, 1900 to 10th April, 0700. This could be due to contamination from other neighbouring cities that is accessed by the highway, since there was a sudden spike in readings. Task1-3.png
1.4 Generally, it was found that the radiation readings are lower past midnight till early morning as compared to in the day. This could be because the nuclear plant is not in operation at that time, or because there is less movement of cars and hence fewer radiation readings are taken which means that there would be a lack of data for this timeframe. Task1-4.png
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