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The carbon balance of South America: status, decadal trends and main determinants.
We review the carbon balance and trends over the last decades, as well as their determinants, for South America as part of a catalogue of similar regional syntheses covering the globe for the RECCAP (REgional Carbon Cycle Assessment and Pro- 5 cesses) effort. South America as a region has attracted ...- por Portal Padrão
- publicado
- 26/08/2012
- 1:04 PM
Diversidade socioespacial na Região Metropolitana da Baixada Santista (RMBS) – SP.
O trabalho avalia a evolução espacial e temporal de informações socioespaciais para os nove municípios da Região Metropolitana da Baixada Santista (RMBS), São Paulo, sob a ótica da política. Se o mote da criação dessa região metropolitana foi o intenso e rápido processo de metropolizaç...- por Portal Padrão
- publicado
- 26/08/2012
- 1:01 PM
Potencial eólico no Rio Grande do Sul distribuição estatística dos ventos na região central do estado.
Este estudo procura identificar o melhor modelo estatístico para modelar a intermitência dos ventos e avalia ocomportamento anual e sazonal do regime de ventos. Os dados anemométricos foram coletados na plataforma do Projeto SONDA em operação desde 2004 no Observatório Espacial do Sul em São ...- por Portal Padrão
- publicado
- 26/08/2012
- 12:58 PM
Combining sattelite sensing and census data to quantify agricultural land use change in the Brazilian Amazon.
As pasture and cropland have replaced forest cover in the Brazilian Amazon, the creation of spatial explicit time series of land use is an important concern in modeling land change. Despite much progress in mapping deforestation using satellite remotely sensed data, little is known about the distrib...- por Portal Padrão
- publicado
- 23/08/2012
- 3:12 PM
Remote wind stress influence on mean sea level in a subtropical coastal region.
The purpose of this study was to assess the relative influence of remote wind stress on mean sea level (MSL) variations in the coastal region of Cananeia (Sao Paulo State, Southern Brazil) during the period from 1/1/1955 to 12/31/1993. An optimized low-pass Thompson filter for the study area, and sp...- por Portal Padrão
- publicado
- 23/08/2012
- 2:53 PM
Changes in vegetation cover in reforested areas in the State of São Paulo, Brazil and the implication for landslide processes.
In Brazil, plantations of exotic species such as Eucalyptus have expanded substantially in recent years, due in large part to the great demand for cellulose and wood. The combination of the steep slopes in some of these regions, such as the municipalities located close to the Serra do Mar and Serra ...- por Portal Padrão
- publicado
- 23/08/2012
- 2:21 PM
Methane airborne measurements and comparison to global models during BARCA.
Tropical regions, especially the Amazon region, account for large emissions of methane (CH 4). Here, we present CH 4 observations from two airborne campaigns conducted within the BARCA (Balano Atmosférico Regional de Carbono na Amaznia) project in the Amazon basin in November 2008 (end of the dry s...- por Portal Padrão
- publicado
- 23/08/2012
- 2:17 PM
Frequency distributions of some parameters of negative downward lightning flashes based on accurate-stroke-count studies.
This paper presents some parameters of negative cloud-to-ground lightning flashes in terms of frequency distribution. All data are based on so-called accurate-stroke-count studies from different climatological regions in the world and were already published in the literature with the exception of ou...- por Portal Padrão
- publicado
- 23/08/2012
- 2:15 PM
Redes Sociais