Hong Kong Climate Change Quiz
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Questions and Answers

By how much has the annual mean temperature in Hong Kong increased from 1885 to 2020?

  • 2.0°C
  • 1.0°C
  • 1.5°C
  • 1.7°C (correct)

The number of cold days in Hong Kong has been increasing in recent decades.

False (B)

What has been the general trend of the annual mean temperature in Hong Kong from 1885 to 2020?

The annual mean temperature has generally increased.

Since 1885, the climate of Hong Kong has been getting ______.

<p>hotter</p> Signup and view all the answers

What is defined as a hot night in Hong Kong?

<p>A night with a minimum temperature of 28°C or above (D)</p> Signup and view all the answers

Which area has the highest annual mean temperature?

<p>Tsim Sha Tsui (B)</p> Signup and view all the answers

The annual number of cold days in Hong Kong has increased in recent years.

<p>False (B)</p> Signup and view all the answers

What is the estimated rise in annual mean temperature of Hong Kong by 2100?

<p>3–6°C</p> Signup and view all the answers

The annual mean temperature of Hong Kong has increased by about 2.7°C since 1885.

<p>False (B)</p> Signup and view all the answers

By 2100, it is possible that there will be only _____ cold days in Hong Kong.

<p>three</p> Signup and view all the answers

What phenomenon explains the temperature difference between urban and rural areas?

<p>heat island effect</p> Signup and view all the answers

Match the following changes in Hong Kong's rainfall patterns with their descriptions:

<p>Annual rainfall = Slightly increased Number of rainy days = Decreased Heavy rainfall days = Increased Extreme rainfall events = Occur more frequently</p> Signup and view all the answers

The _______ area is associated with higher temperatures. This is because the population and building density there are _______.

<p>urban; higher</p> Signup and view all the answers

What is the main reason for higher temperatures in urban areas compared to rural areas?

<p>Heat island effect (B)</p> Signup and view all the answers

Visibility in Hong Kong has consistently decreased since the 1970s.

<p>False (B)</p> Signup and view all the answers

What phenomenon causes more frequent heavy rain and thunderstorms in urban areas?

<p>Higher temperature</p> Signup and view all the answers

The heat island effect results in __________ temperatures in urban areas compared to rural areas.

<p>higher</p> Signup and view all the answers

Match the following impacts with their associated conditions or phenomena:

<p>Heat island effect = Increased urban temperatures Heavy rain = Increased cloud formation Reduced visibility = Presence of particulates in air Improved visibility = Lower annual pollution levels</p> Signup and view all the answers

Flashcards

Hong Kong's Temperature Trend (1885-2020)

Hong Kong's average yearly temperature has risen by approximately 1.7°C since 1885, indicating a warming climate.

Recent Warming Rate (1991-2020)

The rate of temperature increase in Hong Kong has accelerated in recent decades, compared to the overall period from 1885–2020.

Annual Mean Temperature

The average temperature throughout a given year.

Effect of Warming on Hong Kong's weather

Warming trends lead to more hot days/nights and fewer cold days as the temperature increases.

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Climate Change in Hong Kong

The climate of Hong Kong is changing; with measurable effects on air temperature, rain, clouds and wind.

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Hong Kong Temperature Rise

Hong Kong's average yearly temperature has increased significantly since 1885, with projections of a further substantial rise by 2100.

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Hot Night Increase

The number of nights with minimum temperatures above 28°C has increased substantially in Hong Kong from 1885 to 2020.

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Very Hot Days

Hong Kong has experienced more days with maximum temperatures above 33°C in recent years compared to the past.

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Decreased Cold Days

There are significantly fewer days with minimum temperatures below 12°C in Hong Kong today compared to the past.

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Increased Rainfall Intensity

Hong Kong's rainfall has increased overall, but the number of rainy days has decreased, indicating more intense rainfall events.

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Heat Island Effect

Urban areas tend to be hotter than surrounding rural areas due to factors like heat-absorbing surfaces and reduced vegetation.

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Reduced Visibility

The distance at which objects can be seen clearly, decreased by factors like rain, fog, snow, or air particles.

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Urban Temperature

Temperature in a city, often higher than surrounding rural areas due to heat island effect.

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Hong Kong Visibility Improvement

Visibility in Hong Kong has shown significant improvements in recent decades, following an increase of reduced visibility hours.

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Heavy Rain Increase

More frequent and intense heavy rain events influenced by changing temperature.

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Hong Kong Temperature Trend (1885-Now)

Hong Kong's annual average temperature has increased by about 1.7°C since 1885, faster than the global average.

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Heat Island Effect

Urban areas are warmer than surrounding rural areas due to factors like buildings, concrete, and reduced vegetation.

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Warmer Hong Kong Areas

Areas like Tsim Sha Tsui and Wong Tai Sin have higher annual average temperatures than others like Ta Kwu Ling.

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Urban vs. Suburban vs. Rural in Hong Kong

Urban areas usually have higher temperatures than suburban and rural areas because of the heat island effect.

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Annual Mean Temperature Ranking

Arranging places by their yearly average temperature from highest to lowest.

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Study Notes

Hong Kong Climate Change

  • Hong Kong's annual mean temperature has increased by 1.7°C since 1885, faster than the global average of 1°C.
  • The rate of temperature increase has accelerated in recent decades.
  • As Hong Kong gets hotter, the number of hot nights and very hot days increases, while cold days decrease.
  • Annual rainfall has slightly increased, though the number of rainy days has decreased, meaning rainfall intensity is higher.
  • There are more days with heavy rainfall (over 30 mm/hour) and extreme rainfall events (over 100 mm/hour).
  • Cloud cover and thunderstorm days have increased.
  • Wind speed in urban areas has decreased, while rural areas remain stable.
  • Annual mean temperature in Hong Kong is predicted to rise by 3-6°C by 2100.
  • Potential for summers to become longer and hotter, with possible loss of winters entirely by 2100.
  • Possible loss of three cold days in Hong Kong by 2100.
  • Global climate change and urban development are contributing factors to Hong Kong's changing climate.

Urban Development's Effect

  • Increased urban areas, reduced vegetation cover, and taller buildings lead to a heat island effect, increasing temperatures.
  • Converting rural areas to urban areas negatively impacts the local climate.

Possible Effects of Climate Change

  • Increased risk of landslides, coastal flooding and storm surges given stronger typhoons and rising sea levels.
  • Disruptions in traffic and peoples' daily routines due to extreme weather events will happen.
  • Impacts on telecommunications due to extreme weather events.
  • Increased food prices from reduced production elsewhere.
  • Potential for increased heat stroke cases and spread of dengue fever.
  • Damage to wildlife habitats in nature reserves due to rising sea levels and warmer seawater.
  • Coral bleaching in marine habitats.

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Related Documents

Hong Kong Climate Change PDF

Description

Test your knowledge on the effects of climate change in Hong Kong. This quiz covers the increased temperatures, changing rainfall patterns, and the future predictions for the region. Assess how global climate change and urban development are impacting this unique environment.

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