Nocturnal boundary layer erosion analysis in the amazon using large-eddy simulation during goamazon project 2014/5.
This study investigated the erosion of the nocturnal boundary layer (NBL) over the central Amazon using a high-resolution model of large-eddy simulation (LES) named PArallel Les Model (PALM) and observational data from Green Ocean Amazon (GoAmazon) project 2014/5. This data set was collected during ...
por Portal Padrão
publicado
06/02/2021
11:02 AM
Desertification risk assessment in Northeast Brazil: Current trends and future scenarios.
Desertification is one of the major environmental problems that humanity faces today, since it reduces the availability of ecosystem services, increases food insecurity and poverty, and affects the wellbeing of societies. The analysis of the process is extremely complex, since the phenomenon takes p...
por Portal Padrão
publicado
07/01/2021
4:53 PM
Environmental drivers of water use for caatinga woody plant species: combining remote sensing phenology and sap flow measurements.
We investigated the water use of Caatinga vegetation, the largest seasonally dry forest in South America. We identified and analysed the environmental phenological drivers in woody species and their relationship with transpiration. To monitor the phenological evolution, we used remote sensing indice...
por Portal Padrão
publicado
07/01/2021
3:34 PM
Extreme rainfall events over Rio de Janeiro State, Brazil: Characterization using probability distribution functions and clustering analysis.
Extreme rainfall events are likely to become more frequent according to recent scenarios of climate change. This issue is especially important over regions with complex topography, which enhances rainfall variability when associated with weather patterns. The state of Rio de Janeiro (SRJ), southeast...
por Portal Padrão
publicado
07/01/2021
11:06 AM
Different wavelengths of visible light influence the conidial production and tolerance to ultra-violet radiation of the plant pathogens Colletotrichum acutatum and Fusarium fujikuroi.
The effects of the visible light wavelengths on germination, mycelial radial growth, and conidial production of the plant pathogens Colletotrichum acutatum and Fusarium fujikuroi were studied. Both fungi were grown on potato dextrose agar medium (PDA) in the dark (control) or on PDA under continuous...
por Portal Padrão
publicado
06/01/2021
11:08 AM
Desertification susceptibility over Rio de Janeiro, Brazil, based on aridity indices and geoprocessing.
Desertification is a serious threat to human development and sustainability. This process is characterized by land degradation over areas with dry sub-humid, semi-arid and arid climate. In this work, climate susceptibility to desertification was identified for the state of Rio de Janeiro (SRJ), Braz...
por Portal Padrão
publicado
06/01/2021
10:35 AM
Climate change impacts on heat stress in Brazil—Past, present, and future implications for occupational heat exposure.
Climate change has caused an increased occurrence of heat waves. As a result of rising temperatures, implications for health and the environment have been more frequently reported. Outdoor labour activities deserve special attention, as is the case with agricultural and construction workers exposed ...
por Portal Padrão
publicado
06/01/2021
10:34 AM
Sensibilidade dos modelos CMIP5 à precipitação no Brasil tropical.
O objetivo principal deste estudo é avaliar a capacidade da quinta fase dos modelos do Coupled Model Intercomparison Project (CMIP5) em simular chuvas semanais sobre o Brasil Tropical. Vinte e quatro anos do experimento histórico de dezesseis modelos para as estações do verão e outono austral f...
por Portal Padrão
publicado
06/01/2021
10:30 AM
The influence of land use/land cover variability and rainfall intensity in triggering landslides: a back-analysis study via physically based models.
The objective of this study was to use physically based models to carry out a back-analysis of the set of factors that may have infuenced slope instability and the consequent development of 65 landslides in the Bengalar Stream basin, located in the Northern Region of São José dos Campos, São Paul...
por Portal Padrão
publicado
06/01/2021
10:25 AM
Future projections for terrestrial biomes indicate widespread warming and moisture reduction in forests up to 2100 in South America.
Terrestrial biomes are the main reservoirs of biodiversity and CO2 on the planet. In South America, they play a crucial role in climate regulation and biodiversity conservation. Despite scientific advances and recent efforts, there is still no detailed analysis of trends in surface air temperature a...
por Portal Padrão
publicado
06/01/2021
10:23 AM
Assessment of rainfall variability and future change in Brazil across multiple timescales.
Rainfall variability change under global warming is a crucial issue that may have a substantial impact on society and the environment, as it can directly impact biodiversity, agriculture, and water resources. Observed precipitation trends and climate change projections over Brazil indicate that many...
por Portal Padrão
publicado
06/01/2021
10:20 AM
Contrasting dissolved organic carbon concentrations in the Bransfield Strait, Northern Antarctic Peninsula: insights into ENSO and SAM effects.
The marine reservoir of dissolved organic carbon (DOC) is equivalent to the atmospheric carbon reservoir and represents the largest reduced carbon stock in the ocean. However, the role of DOC in the global carbon cycle is not fully understood. In this study, we analyzed the distribution of DOC in th...
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