Ir direto para menu de acessibilidade.
Portal do Governo Brasileiro
Home > PublicaçõesPage 2

Publicações

Modeling the radiative effects of biomass burning aerosols on carbon fluxes in the Amazon region.

Every year, a dense smoke haze covers a large portion of South America originating from fires in the Amazon Basin and central parts of Brazil during the dry biomass burning season between August and October. Over a large portion of South America, the average aerosol optical depth at 550 nm exceeds 1...
  • por Portal Padrão
  • publicado
  • 10/12/2017
  • 11:25 AM

Modelling the radiative effects of smoke aerosols on carbon fluxes in Amazon.

...
  • por Portal Padrão
  • publicado
  • 10/12/2017
  • 11:23 AM

The efficiency of combined coagulant and ballast to remove harmful cyanobacterial blooms in a tropical shallow system.

We tested the hypothesis that a combination of coagulant and ballast could be efficient for removal of positively buoyant harmful cyanobacteria in shallow tropical waterbodies, and will not promote the release of cyanotoxins. This laboratory study examined the efficacy of coagulants [polyaluminium c...
  • por Portal Padrão
  • publicado
  • 10/12/2017
  • 11:21 AM

Production of energy and biofertilizer from cattle wastewater in farms with intensive cattle breeding.

This study evaluates the treatment efficacy and biogas yield of an integrated system composed of a plug-flow biodigester (with sludge recirculation) followed by polishing in a stabilization pond. The system was operated in real scale for 12 months at ambient temperature and under continuous flow. Th...
  • por Portal Padrão
  • publicado
  • 10/12/2017
  • 11:20 AM

Bioenergy recovery from cattle wastewater in an UASB-AF hybrid reactor.

New data on biogas production and treatment of cattle wastewater were registered using an upflow anaerobic sludge blanket-anaerobic filter (UASB-AF) hybrid reactor under mesophilic temperature conditions (37 °C). The reactor was operated in semi-continuous mode with hydraulic retention times of 6, ...
  • por Portal Padrão
  • publicado
  • 10/12/2017
  • 11:18 AM

Assessment of climate change impacts on water resources of the Purus Basin in the southwestern Amazon.

Knowledge about water resources is critical for climate adaptation in face of long-term changes and more frequent extreme events occurrence. During the major droughts of 2005 and 2010, a large epicenter was located in the southwestern Amazon over the Purus River Basin. In this sense, we conducted a ...
  • por Portal Padrão
  • publicado
  • 08/12/2017
  • 9:15 AM

Early flood warning in the Itajaí-Açu River basin using numerical weather forecasting and hydrological modeling.

In recent decades, population growth associated with unplanned urban occupation has increased the vulnerability of the Brazilian population to natural disasters. In susceptible regions, early flood forecasting is essential for risk management. Still, in Brazil, most flood forecast and warning system...
  • por Portal Padrão
  • publicado
  • 08/12/2017
  • 9:12 AM

Business storytelling about energy and climate change: the case of Brazil’s ethanol.

Climate change narratives often evoke scary scenarios. But in business discourses, the climate change narrative often emerges as an opportunity rather than a threat. This paper examines the predominant business storytelling ploys used by Brazils sugarcane industry association, UNICA to promote the i...
  • por Portal Padrão
  • publicado
  • 05/12/2017
  • 3:48 PM

Synthesis centers as critical research infrastructure

...
  • por Portal Padrão
  • publicado
  • 05/12/2017
  • 3:44 PM

Sensitivity of Amazon regional climate to teforestation.

It is known that the Amazon region plays an important role in the global energy, hydrological cycle and carbon balance. This region has been suffering from the course of the past 40 years intense land use and land cover changes. With this in mind, this study has examined possible associations betwee...
  • por Portal Padrão
  • publicado
  • 05/12/2017
  • 3:42 PM

State of the climate in 2016

In 2016, the dominant greenhouse gases released into Earth's atmosphere-carbon dioxide, methane, and nitrous oxide-continued to increase and reach new record highs. The 3.5 ± 0.1 ppm rise in global annual mean carbon dioxide from 2015 to 2016 was the largest annual increase observed in the 58-year ...
  • por Portal Padrão
  • publicado
  • 05/12/2017
  • 2:59 PM

“Are Brazil deforesters avoiding detection?”: reply to Richards et al. 2016.

...
  • por Portal Padrão
  • publicado
  • 05/11/2017
  • 4:13 PM