Downscaling statistical model techniques for climate change analysis applied to the Amazon Region
The Amazon is an area covered predominantly by dense tropical rainforest with relatively small inclusions of several other types of vegetation. In the last decades, scientific research has suggested a strong link between the health of the Amazon and the integrity of the global climate: tropical fore...
por Portal Padrão
publicado
20/08/2014
3:49 PM
A linked vulnerability and resilience framework for adaptation pathways in remote disadvantaged communities.
We develop a systems framework for exploring adaptation pathways to climate change among people in remote and marginalized regions. The framework builds on two common and seemingly paradoxical narratives about people in remote regions. The first is recognition that people in remote regions demonstra...
por Portal Padrão
publicado
20/08/2014
3:46 PM
Why does air passage over forest yield more rain? examining the coupling between rainfall, pressure, and atmospheric moisture content.
The influence of forest loss on rainfall remains poorly understood. Addressing this challenge, Spracklen et al. recently presented a pantropical study of rainfall and land cover that showed that satellite-derived rainfall measures were positively correlated withthe degree to whichmodel-derived air t...
por Portal Padrão
publicado
20/08/2014
3:43 PM
Cluster analysis applied to the spatial and temporal variability of monthly rainfall in Alagoas state, Northeast of Brazil.
Rainfall over the northeast part of Brazil is highly influenced by several weather systems such as trade winds, the Intertropical Convergence Zone, Easterly Wave Disturbances, Bolivia High and Atlantic Sub-tropical Anticyclone. The objectives of this work were to identify, using cluster analysis, sp...
por Portal Padrão
publicado
20/08/2014
3:39 PM
Influence of Antarctic ice sheet lowering on the Southern Hemisphere climate: modeling experiments mimicking the mid-Miocene.
A coupled global atmosphere-ocean model is used to study the influence of the Antarctica ice sheet in a configuration that mimics that of the early Miocene on the atmospheric and oceanic circulations. Based on different climate simulations of the present day (CTR) and conducted with distinct Antarct...
por Portal Padrão
publicado
20/08/2014
3:32 PM
Sustaining ecosystem services: overcoming the dilemma posed by local actions and planetary boundaries.
Resolving challenges related to the sustainability of natural capital and ecosystem services is an urgent issue. No roadmap on reaching sustainability exists; and the kind of sustainable land use required in a world that acknowledges both multiple environmental boundaries and local human well-being ...
por Portal Padrão
publicado
20/08/2014
3:29 PM
Production of docosahexaenoic acid (DHA) from Thraustochytrium sp. ATCC 26185 using differents nitrogen concentrations.
this work it was studied th e polyunsaturated fatty acids (PUFAs) production, especially DHA, from Thraustochytrium sp. ATCC 26185, under different total nitrogen (TN) availability. Three different TN conditions were evaluated: two with initial concentrations of 2.4 g/L and 0.8 g/L, and the third in...
por Portal Padrão
publicado
20/08/2014
3:26 PM
Atributos físicos de solo cultivado com pinhão manso e coberturas verdes associadas
O cultivo do pinhão manso (Jatropha curcas L.) é uma opção sustentável ao biodiesel pela adaptação às diferentes condições agroecológicas e pelo alto teor de óleo não comestível nos grãos. A possibilidade de plantio em solos degradados e de baixa fertilidade natural torna-o atrativo ...
por Portal Padrão
publicado
20/08/2014
3:18 PM
The influence of urban effect on lightning activity: evidence of weekly cycle.
A cloud-to-ground (CG) lightning data provided by the Brazilian lightning detection network (BrasilDAT) for a ten year period (19992008), and particulate matter (PM10), sulfur dioxide (SO2) and air temperature data from the environmental agency of São Paulo State (CETESB) for the same period, were ...
por Portal Padrão
publicado
20/08/2014
3:15 PM
The role of the Amazon Basin moisture in the atmospheric branch of the hydrological cycle: a lagrangian analysis.
We used a Lagrangian model (FLEXPART) together with the 1979-2012 ERA-Interim reanalysis data to investigate the role of the moisture in the Amazon Basin in the regional hydrological budget over the course of the year. FLEXPART computes budgets of evaporation minus precipitation by calculating chang...
por Portal Padrão
publicado
20/08/2014
3:09 PM
Satellite precipitation in southeastern South America: how do sampling errors impact high flow simulations?
Satellite precipitation estimates are increasingly available at temporal and spatial scales of interest to hydrological applications and with the potential for improving flood forecasts in data-sparse regions. This study evaluates the effect of sampling error on simulated large flood events. Synthet...
por Portal Padrão
publicado
20/08/2014
3:03 PM
Why have land use change models for the Amazon failed to capture the amount of deforestation over the last decade?
Land cover change in the Neotropics represents one of the major drivers of global environmental change. Several models have been proposed to explore future trajectories of land use and cover change, particularly in the Amazon. Despite the remarkable development of these tools, model results are stil...
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