Figure 1 Figure 2
Figure 3 Figure 4
Figure 5 Figure 6
Diagram 5 Diagram 6
inaugurated in 2008, is in the estuary of a river that has been closed off by a barrage to keep the seawater out. Two similar barrages are due to be completed in 2011 and will form the Punggol Reservoir and the Serangoon Reservoir.
Source: Figure 1: http://en.wikipedia.org/wiki/File:Marina_Barrage_Bridge.jpg
Figure 2: http://www.search.com/reference/Sungei_Punggol
Figure3: http://www.pub.gov.sg/pureannual2008/birth_of_the_barrage.htm
Figure4: http://niekyk.blogspot.com/2009/12/punggol-serangoon-reservoir-scheme.html
Figure 5:http://www.fishingkaki.com/forum/viewtopic.php?t=172249&start=0&postdays=0&postorder=asc&highlight= &sid=68ab8e114226473581be71bbe66554cd
Figure 6: http://www.fishingkaki.com/forum/viewtopic.php?t=172249&start=0&postdays=0&postorder=asc&highlight=&sid=68
ab8e114226473581be71bbe66554cd
Diagram 1: http://www.csiro.au/news/newsletters/0612_water/story7.htm
Diagram 2: http://www.sca.nsw.gov.au/education-and-action/student-resources/catching-the-cleanest-water/the-water-cycle
Diagram 3: http://www.wagrico.org/site/WAgriCo/content-folder/background/background
Diagram 4: http://www.umr-lisah.fr/openfluid/index.php?page=mhydas
Diagram 5: http://soer.justice.tas.gov.au/2009/wat/3/issue/92/index.php
Diagram 6: http://www.cathylaw.com/APES/Waterclassnotes.html
The barrage of the Marina Bay reservoir.Two thirds of the country's surface area are classified as partly protected catchment areas with certain restrictions on land use, so that the rainwater can be collected and used as drinking water. As of 2010, the water supply system included 19 raw water reservoirs, 9 treatment works and 17 service reservoirs for treated water. The largest reservoir, the Marina Bay reservoir
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