Title
Heat Vulnerability Index for Sydney (2011)
License
Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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Abstract

A Heat Vulnerability Index was built with Open Data for Metropolitan Sydney, for the years 2011 and 2016.
Vulnerability is defined as the propensity of a population to be adversely affected by extreme heat and depends on 3 components: the exposure, sensitivity and adaptive capacity of the population. These 3 sub-indexes were calculated with various indicators that you can find as attributes to this layer.
The scale of the study is the Statistical Areas 2 (SA2) of the Australian...

Publication Date
Type
Vector Data
Keywords
Sydney , heat , vulnerability , doi:cs9m
Category
Health
health, health services, human ecology, and safety. Examples: disease and illness, factors affecting health, hygiene, substance abuse, mental and physical health, health services
Regions
Australia
Owner
More info
Purpose

Propose a first step for place-based health policies by unveiliing the geographical and social inequalities when facing extreme heat. This layer was then ...

Language
English
Temporal Extent
Jan. 1, 2011, 1:15 a.m. - Dec. 31, 2011, 11:59 p.m.
Data Quality
The data comes from various source (Australian Bureau of Statistics, Bureau of Meteorology, NSW Office of Environment and Heritage, Office of Local Government, etc.) and has been processed in GIS softwares (QGIS and ArcGis) to achieve the present values. Minor errors may have occured while extracting data and doing geographical treatment due to the high number of SA2 considered.
Supplemental Information

You can find the interactive storymap here: https://arcg.is/0quK4H

Spatial Representation Type
vector data is used to represent geographic data
Attribute Name Label Description
SA2 ID SA2 ID
Number of days > 38 °C Number of days > 38 °C Annual temperature data taken from Bureau of Meteorology
Population Density Population Density Data from the ABS: ration of the population by the area of the SA2
Inequalities Inequalities Described by the Gini index calculated for the SA2
6 digits SA2 ID (ABS) 6 digits SA2 ID (ABS)
Road Density Road Density Km of road per km² of SA2 area
Percentage of people older than 65 years old Percentage of people older than 65 years old From the ABS census data
Percentage of people younger than 4 years old Percentage of people younger than 4 years old From the ABS census data
Percentage of peple living alone Percentage of peple living alone 1 person household data from the ABS
Percentage of Aboriginal People Percentage of Aboriginal People Indigenous + Torres Strait Islanders from the ABS Census
Percentage of women Percentage of women From the ABS census
Percentage of dwellings with access to internet Percentage of dwellings with access to internet From the ABS Census
Percentage of people with a High School Degree Percentage of people with a High School Degree From the ABS Census
Percentage of parks in the area Percentage of parks in the area Mesh Block data from the ABS
Local Government Expenses Local Government Expenses Data obtained from the Office of Local Governments. Namely, the percentage of their budget that the Local Governments use for “Community Services, Education & Housing”
Percentage of Water Bodies Percentage of Water Bodies NB: the effect of the shore was considered taken in the "Days superior to 38°C" indicator through the cooling effect of the ocean breeze
Index Value Index Value Numerical value of the calculated index
Index Rank Index Rank Rank of the index done with Standard deviation method and then classified from 0 to 5
Exposure Exposure Sub-index "Exposure", calculated as the average of the normalized indicators related to exposure
Sensitivity Sensitivity Sub-index "Sensitivity", calculated as the average of the normalized indicators related to sensitivity
Adaptive Capacity Adaptive Capacity Sub-index "Adaptive Capacity", calculated as the average of the normalized indicators related to adaptive capacity. Due to the normalization method, it is more correctly the lack thereof.
SA2 Name SA2 Name Name of the Statistical Area 2 (from the ABS)
Poverty Rate Poverty Rate Number of people earning less than half of the median income (OCDE definition). As the income was given in brackets by the ABS, a proxy was taken as the percentage of working people earning less than 300 AUS dollars a week.
Percentage of non-individual dwellings Percentage of non-individual dwellings Percentage of dwellings in multi storey buildings, tents, boats, etc
Percentage of people needing care Percentage of people needing care In the ABS census, people fitting in the category "Core Activity Need for Assistance"
Tree Canopy Tree Canopy Raster dataset from the NSW Office of Environment and Heritage updated in 2011. The indicator was calculated as the number of pixels containing trees divided by the total number of pixels in the SA2.

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  • About

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    carole

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