Abstract:El artículo aborda un componente clave del urbanismo azul: los lagos urbanos naturales y artificiales. Se estudia la relación de estos cuerpos de agua con el origen de las ciudades, así como su deterioro al ser transformados con el tiempo en vertederos para aguas residuales e industriales. Se analizan: los servicios y beneficios que estos espacios azules aportan a las ciudades y al ambiente; los fenómenos que representan mayores amenazas; y algunos elementos para su restauración o rehabilitación. Se concluye q… Show more
“…With the growth of the digital economy and the rise in artificial intelligence, digital infrastructure has become increasingly prominent [21,22]. The BCP was an endeavor promulgated by the State Council in 2013, designed to increase both cities' digital infrastructure level and innovation capability [23,24].…”
With the rapid development of digital finance, the implementation of digital infrastructure is becoming increasingly significant. Broadband construction is an important part of the communication network, and can promote urban infrastructure in cities. However, whether the development of broadband can affect housing prices by affecting the urban infrastructure and the convenience of residents is a question worth addressing. In this study, using panel data regarding cities in China, we used the spatial multi-period difference-in-differences (SDID) model to investigate the utility of the Broadband China Policy (BCP) on urban house prices and the mechanism of impact. We found that the BCP can increase house prices, and that this impact has a positive spatial spillover effect. This conclusion still held after a series of tests such as parallel trend tests, placebo tests, and the exclusion of other policy effects. The BCP can increase house prices by improving urban infrastructure, promoting urbanization, and optimizing urban industrial structure. In addition, we conducted a heterogeneity analysis by taking into consideration the administrative level, economic development level, and location of cities. The findings of this paper not only enrich the research on the BCP and housing prices, they also provide policy recommendations in terms of urban land use and sustainable development.
“…With the growth of the digital economy and the rise in artificial intelligence, digital infrastructure has become increasingly prominent [21,22]. The BCP was an endeavor promulgated by the State Council in 2013, designed to increase both cities' digital infrastructure level and innovation capability [23,24].…”
With the rapid development of digital finance, the implementation of digital infrastructure is becoming increasingly significant. Broadband construction is an important part of the communication network, and can promote urban infrastructure in cities. However, whether the development of broadband can affect housing prices by affecting the urban infrastructure and the convenience of residents is a question worth addressing. In this study, using panel data regarding cities in China, we used the spatial multi-period difference-in-differences (SDID) model to investigate the utility of the Broadband China Policy (BCP) on urban house prices and the mechanism of impact. We found that the BCP can increase house prices, and that this impact has a positive spatial spillover effect. This conclusion still held after a series of tests such as parallel trend tests, placebo tests, and the exclusion of other policy effects. The BCP can increase house prices by improving urban infrastructure, promoting urbanization, and optimizing urban industrial structure. In addition, we conducted a heterogeneity analysis by taking into consideration the administrative level, economic development level, and location of cities. The findings of this paper not only enrich the research on the BCP and housing prices, they also provide policy recommendations in terms of urban land use and sustainable development.
“…Además, constituyen espacios propicios para la recreación y para la formación de ecosistemas naturales dentro de la ciudad, mismos que generan oportunidades de regeneración y cohesión social. En ese mismo orden de ideas de acuerdo a Volker et al (2010), que las ciudades cuenten con este tipo de paisajes, provocan la presencia de diversas especies de aves, invitando a su vez a la contemplación, generando ambientes o entornos que contribuyen de manera significativa en los procesos de fortalecimiento y restauración de la salud humana (Molina y Rubio, 2016).…”
En el presente libro se habla de un fenómeno denominado "isla de calor urbana". Las autoras describen minuciosamente las razones por las que se origina y detallan las múltiples consecuencias para los habitantes, las ciudades, el consumo eléctrico, el clima y la temperatura. Luego de un recorrido amplio para considerar los impactos de este fenómeno a escala local, microescala y mesoescala, se aborda particularmente la isla de calor urbana en Hermosillo, Sonora, región para la cual se proponen estrategias de mitigación que exhortan a considerar el uso de vegetación, la distribución de espacios urbanos con base en la infraestructura y la geometría, y la elección materiales de construcción de poca absorción de calor.
Lacustrine blue spaces provide benefits to the urbanites and wildlife habitat. Their availability varies depending on the city in which they are established and intra-urban social interactions. We analyzed the presence, distribution, and size of lentic water bodies in Mexico’s 145 most populated cities. We searched for patterns in their distribution concerning demographic, socioeconomic, and geographic data, aiming to understand their socio-ecological interactions in cities. We digitized lacustrine spaces to obtain their number per city, total surface, area of blue space per inhabitant, and surface as a percentage of the city’s total area. We tested for relationships between their number and surface and city population, hydrological regions, and urban marginalization index through linear and generalized linear models. We delimited 1834 lacustrine blue spaces, finding almost two-thirds of them artificial. Their presence and surface in Mexican cities were generally low, except for hydrological regions close to the Gulf of Mexico. Their number and surface decreased as the urban marginalization index increased. The lack of equitable provision of lacustrine space at the national level has implications for urban planning and land management. Blue spaces should maximize their ecosystem services’ provision for the whole society to promote cities’ sustainability and resilience.
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