Considering the movement of explosion of the metropolis from the industrialization process, this ... more Considering the movement of explosion of the metropolis from the industrialization process, this research sought to understand the current of the revaluation process of downtown São Paulo as a historical result that derives from the metropolis reproduction process. Thus, oriented by valuation-devaluation-revaluation triad, the referential of analysis for the current moment consisted in the movement of policy interventions within the São Paulo downtown, implemented by the State from the 1990s. As was the movement of the metropolis explosion, there was also the downtown implosion due to the scarcity of space which prevented their adaptation to new needs, resulting in the deployment of the economic centrality and consequently, in its devaluation. Marked by the intensification of a process of occupation by popular classes, whose result will be the occupations of empty buildings from the 1990s, the devaluation will be marked by the deterioration of space and this factor linked to the intensification of its proletarian occupation. In this process the private ownership of urban land goes through a process of appropriation whose fundament is realized due to the use of space. In this context, policies for intervention in the space of downtown São Paulo develop its mechanisms to revalue the space and at the same time, reverse the situation of this proletarianization of the downtown São Paulo. Of specific strategies these have to spatial strategies, through the strategic demarcation of territories that aim to produce new forms of use for the space. In this movement, interventions to the revaluation of the downtown São Paulo are held as urban-territorial policies that articulate and at the same time, are complemented by strategies of culture, responsible for new representations of space. Therefore, as the metropolis in their reproduction process becomes productive force, the downtown becomes fixed capital for the reproduction process that takes place through the expansion of new spatially contiguous areas. The result is a fight for space as the interest of social classes through space in São Paulo downtown.
This article presents the QDA-System (Sistema Qualidade da Água, from Portuguese), a system devel... more This article presents the QDA-System (Sistema Qualidade da Água, from Portuguese), a system developed to monitor the quality of surface waters in Brazilian hydroelectric reservoirs using satellite images and cloud computing services. The development requirements of the QDA-System considered its use for operational monitoring purposes, with all processing steps automated, and a user-friendly interface to access and query the data generated automatically by the system. A pilot application of the QDA-System was customized and implemented for monitoring the Foz do Chapecó hydroelectric reservoir located in southern Brazil. For the pilot application, the QDA-System was customized to estimate nine water quality parameters,: five were estimated directly from Sentinel-2 multispectral images and four were estimated indirectly. We expect that in the near future the QDA-System can be replicated to monitor other Brazilian reservoirs, bringing benefits and cost reduction related to water quality...
Considering the movement of explosion of the metropolis from the industrialization process, this ... more Considering the movement of explosion of the metropolis from the industrialization process, this research sought to understand the current of the revaluation process of downtown São Paulo as a historical result that derives from the metropolis reproduction process. Thus, oriented by valuation-devaluation-revaluation triad, the referential of analysis for the current moment consisted in the movement of policy interventions within the São Paulo downtown, implemented by the State from the 1990s. As was the movement of the metropolis explosion, there was also the downtown implosion due to the scarcity of space which prevented their adaptation to new needs, resulting in the deployment of the economic centrality and consequently, in its devaluation. Marked by the intensification of a process of occupation by popular classes, whose result will be the occupations of empty buildings from the 1990s, the devaluation will be marked by the deterioration of space and this factor linked to the intensification of its proletarian occupation. In this process the private ownership of urban land goes through a process of appropriation whose fundament is realized due to the use of space. In this context, policies for intervention in the space of downtown São Paulo develop its mechanisms to revalue the space and at the same time, reverse the situation of this proletarianization of the downtown São Paulo. Of specific strategies these have to spatial strategies, through the strategic demarcation of territories that aim to produce new forms of use for the space. In this movement, interventions to the revaluation of the downtown São Paulo are held as urban-territorial policies that articulate and at the same time, are complemented by strategies of culture, responsible for new representations of space. Therefore, as the metropolis in their reproduction process becomes productive force, the downtown becomes fixed capital for the reproduction process that takes place through the expansion of new spatially contiguous areas. The result is a fight for space as the interest of social classes through space in São Paulo downtown.
This article presents the QDA-System (Sistema Qualidade da Água, from Portuguese), a system devel... more This article presents the QDA-System (Sistema Qualidade da Água, from Portuguese), a system developed to monitor the quality of surface waters in Brazilian hydroelectric reservoirs using satellite images and cloud computing services. The development requirements of the QDA-System considered its use for operational monitoring purposes, with all processing steps automated, and a user-friendly interface to access and query the data generated automatically by the system. A pilot application of the QDA-System was customized and implemented for monitoring the Foz do Chapecó hydroelectric reservoir located in southern Brazil. For the pilot application, the QDA-System was customized to estimate nine water quality parameters,: five were estimated directly from Sentinel-2 multispectral images and four were estimated indirectly. We expect that in the near future the QDA-System can be replicated to monitor other Brazilian reservoirs, bringing benefits and cost reduction related to water quality...
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