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Analysis of past and future urban growth on a regional scale using remote sensing and machine learning.

This research investigates Land Use and Land Cover (LULC) changes in the Porto Alegre Metropolitan Region (RMPA). A 30-year historical analysis using Landsat satellite imagery was made and used to develop LULC scenarios for the next 20 years using a Multilayer Perceptrons (MLP) model through an Arti...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:51 PM

Temporal evolution of suspended solids in the management of medium-sized watersheds in the Metropolitan Region of Paraíba Valley.

The demand for water to meet the needs of the population has increased with the rapid growth of urban centers. The urban expansion in Taubaté (23.03º S, 45.55º W) negatively impacts the Una River Basin, a significant tributary of the Paraíba do Sul River, resulting in issues of sedimentation, si...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:47 PM

Math phobia and maths anxiety: multidisciplinary aproaches for a more inclusive and equitable education in Brazil.

Maths anxiety, commonly referred to as "math phobia", is a challenge in the context of mathematics education in Brazil. While research on the impact of math phobia in the classroom and its direct relationship to learning disabilities is not yet well established, it is widely accepted that math phob...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:40 PM

Cloud brightness evaluation from ground-based total sky images using the HSVcolor space parameter.

The RGB color space and two-dimensional red-to-blue band thresholding methods have been widely used for cloud detection throughout history. However, there is a lack of experimental data to assess the nuances of the effectiveness of pixel segmentation techniques in identifying Solar Radiation Enhance...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:38 PM

Bringing the Nature Futures Framework to life: creating a set of illustrative narratives of nature futures.

To halt further destruction of the biosphere, most people and societies around the globe need to transform their relationships with nature. The internationally agreed vision under the Convention of Biological DiversityLiving in harmony with natureis that By 2050, biodiversity is valued, conserved, r...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:37 PM

Impacts of the land use and land-cover changes on local hydroclimate in southwestern Amazon.

This paper investigates the effects of advancing deforestation in the southwestern Amazon on local hydroclimate. For this purpose, a high-resolution mesoscale model, coupled with a land surface model and a hydrologic routing model, is integrated for five years in two experiments, one control without...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:35 PM

Natural hazards fatalities in Brazil, 1979-2019.

The impact of natural hazards on nations and societies is a global challenge and concern. Worldwide, studies have been conducted within and between countries, to examine the spatial distribution and temporal evolution of fatalities and their impact on societies. In Brazil, no studies have comprehens...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:30 PM

Valoração de serviços ambientais: uma análise da paisagem da praia de Ponta Negra/RN, NE do Brasil.

Esta pesquisa foi realizada nos anos de 2017 e 2018. Neste contexto, o presente trabalho teve como área de estudo a praia de Ponta Negra, sendo este um dos cartões postais mais significante do Estado do Rio Grande do Norte, apresentando características físicas, sociais, econômicas e ambientais ...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:28 PM

Climate change adaptation frameworks in fishing communities: a systematic review.

Climate change has had profound effects on coastal ecosystems, including sea level rise, ocean acidification, and extreme weather events. These impacts have left vulnerable populations in coastal areas, particularly fishing communities, struggling to maintain their livelihoods, subsistence, and cult...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:25 PM

Energy balance closure and evapotranspiration hysteresis in central Amazon under contrasting conditions during the GoAmazon project in 2014 and 2015.

The Amazon region stands out as Earth's largest and most prominent terrestrial convective center, significantly influencing precipitation patterns through the substantial net radiation at the Earth's surface (Rn). This radiation is further divided into sensible heat (H) and latent heat (LE) fluxes, ...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:22 PM

Multiscale analysis of drought, heatwaves, and compound events in the Brazilian Pantanal in 2019-2021.

In this study, a comprehensive multiscale analysis of compounding drought-heat events in the Pantanal region is presented. The goal is to assess the multiscale nature of drought and determine whether the combined efects of drought and heatwaves, as driving factors, are more relevant than the efects...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 4:18 PM

Amazon deforestation causes strong regional warming

Integrated agricultural systems have been greatly expanding in Brazil and currently cover over 30 million hectares. Although these land use systems help soil and environmental quality, little is known of their impacts on earthworm communities. In the present study we evaluated earthworm abundance, ...
  • por Portal Padrão
  • publicado
  • 30/01/2024
  • 11:36 AM