Water Management in Metropolitan São Paulo

Braga, Benedito P. F.; Porto, Monica Ferreira do Amaral; Silva, R. T.

doi:10.1080/07900620600649850

Cited by 23 publications

(16 citation statements)

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“…The largest urban and industrial complex in South America is the Metropolitan Region of São Paulo (MRSP), located in São Paulo State (Brazil) (Braga et al 2006). The MRSP has experienced dramatic and unplanned growth in the last 50 years, and now includes the city of São Paulo and a further 39 municipalities, with a total population of around 21,000,000 inhabitants and an area of 8,000 km 2 .…”

Section: Introductionmentioning

confidence: 99%

“…The MRSP has experienced dramatic and unplanned growth in the last 50 years, and now includes the city of São Paulo and a further 39 municipalities, with a total population of around 21,000,000 inhabitants and an area of 8,000 km 2 . The main land use in the MRSP is for urban and industrial purposes (Ducrot et al 2005;Braga et al 2006;SEADE 2015), and the reservoirs in this region are vital for water supply and energy production (Tundisi et al 1998;Ducrot et al 2005). The MRSP is supplied by different reservoirs, among which are the reservoirs of the Cantareira System (Pereira 2013), the object of study in this research.…”

Section: Introductionmentioning

confidence: 99%

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Nitrogen and phosphorus in cascade multi-system tropical reservoirs: water and sediment

Pompêo¹,

Moschini‐Carlos

López-Doval³

et al. 2017

Limnological Review

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Abstract:The aim of this research was to analyze the horizontal spatial heterogeneity of both water and superficial sediment quality among and within the reservoirs of the Cantareira System (CS), focusing on concentrations of N and P, attributed to the dumping of raw domestic sewage into water bodies, which is the main cause of water pollution in São Paulo State (Brazil). The CS is a multi-system complex composed of five interconnected reservoirs, with water transported by gravity through 48 km of tunnels and channels. From the last reservoir of the CS, with an output of 33 m 3 s -1, the water is conducted to a water treatment plant, producing half of the water consumed by 19 million people inhabiting São Paulo city. The upstream reservoirs are more eutrophic than the downstream ones. Data also suggest that the low phytoplankton biomass (ranging from 0.9 to 14.4 µg dm ). For water, the DIN/TP ratios values range from 19 to 380. The upstream reservoirs function as nutrient accumulators and the sediment is the main compartment in which P and N are stored. Although the reservoirs are located in different river basins and are not in sequence along the same river, the results suggest a marked gradient between the reservoirs, with features similar to those of cascade reservoirs. The large volumes flowing through the canals and tunnels could explain the observed pattern. The CS reservoirs can therefore be considered multi-system reservoirs in cascade, constituting a particular case of multi-system reservoirs.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nitrogen and phosphorus in cascade multi-system tropical reservoirs: water and sediment

Pompêo¹,

Moschini‐Carlos

López-Doval³

et al. 2017

Limnological Review

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show abstract

“…Schematic of dams and hydraulic systems in Tiete River Basin showing the water transfer from Tiete and Pinherious River to Billings (also shows inter-basin transfer from Piracicaba River Basin). After Braga (2006). (2005) and Devkota and Imberger (2009a,c).…”

Section: Introductionmentioning

confidence: 95%

“…During high floods, the runoff produced by the urbanized basin of the Pinheiros River was previously pumped to the Billings to enhance its hydropower capacity (Hermann et al, 1987). However, it was discontinued since 1988 because of its associated pollution loadings (Braga et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Also, as a consequence, the loss of power production costs the generating company about $75.2 million per year in revenues. The stakeholder in the Middle Tiete region were trying to avoid the wastewater disposal into their regions, therefore pressured and demanded compensation for environmental and economic losses resulting from this pollution that created upstream and downstream conflicts (Braga et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

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