Coupling Sustainable Development Goal 11.3.1 with current planning tools: city of Hamilton, Canada

Figures & data

Figure 1. Workflow showing the sequence of steps involved in estimating the indicator. Arrows represent the order of processes

Figure 2. Hamilton city urban area in 2000, 2005, 2010 and 2015, with city boundary

Figure 3. Zoomed-in urban area (city core) shown in red for (a) 2000 and (b) 2015

Table 1. Urban area and population, 2000–2015

	2000	2005	2010	2015
Urban area (hectare)	19 131.38	20 274.49	21 076.83	21 713.35
Population	404 972	431 481	451 864	469 375

Table 2. Population growth rate and land consumption rate in the three study periods

Period	City population change	City population growth rate	City area change (hectares)	Land consumption rate
2000–2005	26 509.30	0.013	1143.11	0.012
2005–2010	20 383.17	0.009	802.34	0.008
2010–2015	17 510.15	0.008	636.52	0.006

Figure 4. Summary of the SDG 11.3.1 indicator for different periods (source: output from (Trends.Earth 2018)

Table 3. Land consumption per capita for the study years

	2000	2005	2010	2015
Land consumption per capita	0.234	0.206	0.184	0.176

Table 4. Summary of land consumption per capita (LCPC) and the total change in urban infill

Period	LCPC	Total change in urban infill
2000–2005	−0.121	0.068
2005–2010	−0.105	0.049
2010–2015	−0.045	0.041

Figure 5. Total annual precipitation for Hamilton,in 1948–2019

Table 5. Percentage change in precipitation intensity from the intensity-duration frequency curve, with climate projections

Return period	2-yr	5-yr	10-yr	20-yr	25-yr	50-yr	100-yr
1-hour	7	9	10	11	11	13	15
2-hour	7	9	10	11	11	13	15
6-hour	7	8	10	11	11	14	18
12-hour	7	8	9	11	11	14	17
24-hour	7	8	9	11	11	13	17

Figure 6. Intensity-duration-frequency (IDF) graph based on historical precipitation (PPT) data using generalized extreme value (GEV) distribution (source IDF_CC Tool 2018)

Figure 7. Intensity-duration-frequency (IDF) curve based on climate-projected PPT data (RCP 4.5) using generalized extreme value (GEV) distribution (source (IDF_CC Tool 2018)

Trends.Earth, 2018. Trends.Earth tracking land change from conservation international, v 1.0.2. Available from: http://trends.earth/docs/en/index.html [Accessed 1 Sept 2020].

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IDF_CC Tool, 2018. Computerized tool for the development of intensity-duration-frequency curves under climate change – Version 4.0. Available from IDF_CC Tool V4.0: https://www.idf-cc-uwo.ca/ [Accessed 6 Aug 2020].

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