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The Future of Water in African Cities

Page 183

159

Variable

13. Average annual runoff

Quantitative

Map

12. River basin map

Figure

10. Inter-annual precipitation

Figure

Figure

9. Intra-annual precipitation and temperature

11. Climate change impact

Type

Indicator

Table A3.1 (continued)

Water resources availability

Million cubic meters (MCM)/ year

% relative change to base period

mm/year

mm and °C

Units

Dashboard

Comparative table

Index

Notes and sources

(continued on next page)

World Bank Data, Climate Change Knowledge Portal. For detailed methodology see Strzepek, et al., 2011. Average modeled runoff at basin scale for years 1961–1999.

World Bank Data, Climate Change Knowledge Portal. For detailed methodology see Strzepek et al., 2011.

Statistics for a selection of parameters for three emission scenarios and 23 Global Circulation Models for the time period 2050–2059. Source: World Bank Data, Climate Change Knowledge Portal. For detailed methodology see Strzepek et al., 2011.

Deviation from mean annual precipitation, 1901– 2006. CRU 3.0 database for 1901 to 2006 (approximately 50–60 km2 per pixel). For full methodology see Mitchell, et al., 2003.

Annual variation of mean monthly precipitation (in mm) and temperature. WorldClim climate layers (2.5 arc-minutes and 0.5 degrees resolution per pixel). For full methodology see Hijmans, et al., 2005.


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