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Evaluation of the MPAS model for the numerical simulation of an extreme precipitation event over the Northeast Brazil occurred in July 2022.

The east coast of Northeast Brazil (ENEB) has experienced an increase in extreme precipitation events in recent years because of climate change caused by human activities. ENEB is characterized by the influence of several synoptic-scale systems throughout the year that contribute to the development ...

por Portal Padrão
publicado
12/02/2025
5:31 PM

The Influence of the Amazonian Moisture Transport by the Aerial Rivers to the Water Budget at Southeastern Brazil Using Atmospheric Modelling and Re-analysis.

The moisture transport from Amazon forest is a great moisture source for the regional water cycle in South America (SA), especially at southeast and southern part including Parana and La Plata Basins. Several previous studies have shown this importance and how anthropic processes of either global wa...

por Portal Padrão
publicado
12/02/2025
5:28 PM

Sensitivity analysis of solar irradiance estimates over a tropical region by cloud index models.

The downward global horizontal irradiance (GHI) modulates various physical processes on Earth and is essential in climate, ecology, and renewable resources studies. In recent years, the use of geostationary satellites for estimating downward global solar irradiance (GHI) has gained increasing intere...

por Portal Padrão
publicado
12/02/2025
5:23 PM

Watershed’s spatial targeting: Enhancing payments for ecosystem services to scale up agroecosystem restoration through nature-based solutions.

Payment for Ecosystem Services (PES) globally addresses land use-tenure-restoration tradeoffs. The Atlantic Forest Connection Projetc, a Brazilian collaborative initiative, aimed to preserve and restore the Brazilian Atlantic Forest fostering and rewarding sustainable land use that could generate bi...

por Portal Padrão
publicado
12/02/2025
5:21 PM

Simulated isotopic fingerprint of the Atlantic Multidecadal Oscillation over South America and its relation to the Little Ice Age.

Linkages have been established between the Atlantic Multidecadal Oscillation (AMO) and surface air temperature variations, low-level jet streams, and precipitation trends in both northeastern Brazil and southeastern South America. Previous studies have discerned distinct wet-season (MarchMay) precip...

por Portal Padrão
publicado
12/02/2025
5:19 PM

Evaluation of easterly wave disturbances over the tropical South Atlantic in CMIP6 models.

This study assesses the performance of the latest phase of Coupled Model Intercomparison Project (CMIP6) models in simulating easterly wave disturbances (EWD) over the tropical South Atlantic (TSA) impacting northeast Brazil (NEB). Initially, we evaluate simulated precipitation from 17 historical CM...

por Portal Padrão
publicado
12/02/2025
5:07 PM

Energy balance and Evapotranspiration response to environmental variables in the semi-arid Caatinga biome.

Semi-arid regions worldwide face critical challenges related to prolonged droughts and limited water availability, which significantly impact ecosystem dynamics and plant productivity. This study investigates the energy balance and the phenomenon of hysteresis between actual evapotranspiration (ET) ...

por Portal Padrão
publicado
12/02/2025
5:05 PM

Regional relationship between total alkalinity and salinity in the surface waters of the western South Atlantic margin.

We examined the surface total alkalinity (AT) and salinity (SSS) distributions and their relationship along the southwestern South Atlantic Ocean margin off the Brazilian coast. In situ hydrographic data from shelf and slope stations were measured during three oceanographic cruises in October 2014 (...

por Portal Padrão
publicado
12/02/2025
5:03 PM

Potential effects of climate change on cacti distribution and conservation in North American drylands.

Climate change is expected to adversely impact dryland biodiversity by reducing habitat suitability, especially for cacti species. One way to mitigate such effects on cacti is to reinforce the integrity of areas of high importance for their conservation, also known as high-value conservation areas (...

por Portal Padrão
publicado
12/02/2025
5:01 PM