A5088673845- Climate variability and models
- Meteorological Phenomena and Simulations
- Atmospheric chemistry and aerosols
- Atmospheric and Environmental Gas Dynamics
- Atmospheric aerosols and clouds
- Geography and Environmental Studies
- Atmospheric Ozone and Climate
- Plant Water Relations and Carbon Dynamics
- Tropical and Extratropical Cyclones Research
- Arctic and Antarctic ice dynamics
- Environmental and biological studies
- Air Quality Monitoring and Forecasting
- Precipitation Measurement and Analysis
- Hydrology and Drought Analysis
- Air Quality and Health Impacts
- Chaos control and synchronization
- Educational Environments and Student Outcomes
- Methane Hydrates and Related Phenomena
- Soil erosion and sediment transport
- Fire effects on ecosystems
- Environmental Sustainability and Education
- Water Quality and Pollution Assessment
- Financial Risk and Volatility Modeling
- Soil Moisture and Remote Sensing
- Scientific Research and Discoveries
National Institute for Space Research
2016-2025
Goddard Space Flight Center
2023
National Aeronautics and Space Administration
2023
A multilevel limited-area primitive equations model in eta coordinate is used to simulate the effects of Amazonian latent heat source and Andean topography on summer (December, January, February) circulation over South American region. The observed features, such as Bolivian high trough near coast Northeast Brazil upper troposphere, elongated Atlantic convergence zone (SACZ) oriented northwest southeast from southern Amazon region into Ocean, subtropical anticyclones Pacific Oceans lower...
Abstract This article describes the main features of Brazilian Global Atmospheric Model (BAM), analyses its performance for tropical rainfall forecasting, and sensitivity to convective scheme horizontal resolution. BAM is new global atmospheric model Center Weather Forecasting Climate Research [Centro de Previsão Tempo e Estudos Climáticos (CPTEC)], which includes a dynamical core state-of-the-art parameterization schemes. BAM’s incorporates monotonic two-time-level semi-Lagrangian scheme,...
Abstract In South America, land–atmosphere interactions have an important impact on climate, particularly the regional hydrological cycle, but detailed evaluation of these processes in global climate models has been limited. Focusing satellite-era period 2003–14, we assess annual to seasonal time scales over America satellite products, a novel reanalysis (ERA5-Land), and two models: Brazilian Global Atmospheric Model version 1.2 (BAM-1.2) U.K. Hadley Centre Environment 3 (HadGEM3). We...
Abstract The response of the global climate system to atmospheric CO2 concentration increase in time is scrutinized employing Brazilian Earth System Model Ocean–Atmosphere version 2.3 (BESM-OA2.3). Through achievement over 2000 yr coupled model integrations ensemble mode, it shown that simulates signal recent changes trends, depicting a steady and oceanic temperature corresponding marine ice retreat. simulations encompass period from 1960 2105, following phase 5 Coupled Intercomparison...
High ozone (O3) concentrations are a major concern about air quality in the São Paulo Metropolitan Area (SPMA). During 2016, 8-hour state standard of 140 µg m–3 was exceeded on 32 days, whereas 1-hour national 160 76 days. Exposure to such unhealthy O3 levels and other pollutants can lead respiratory disease. The focus this study is determine main precursor terms volatile organic compounds (VOCs) order provide scientific basis for controlling pollutant. In work, 66 samples hydrocarbons, 62...
Abstract Aerosol particles from forest fire events in the Amazon can be effectively transported to urban areas southeastern South America, thus affecting air quality over those regions. A combination of observational data and a comprehensive modeling system capable anticipating acute pollution episodes is therefore required. new predictive framework for smoke dispersion America has been developed based on Weather Research Forecasting with Chemistry community (WRF-Chem) model. Two experiments...
Abstract This paper assesses how well the CPTEC/INPE Brazilian Global Atmospheric Model (BAM‐1.2) and atmospheric component of UK Met Office Hadley Centre Environment (HadGEM3‐GC3.1) represent main South American monsoon features. Climatological (1981–2010) ensemble means Intercomparison Project (AMIP)‐type climate simulations are evaluated. The assessment evaluated models’ ability to America austral summer winter precipitation contrast associated circulation, key system elements,...
This study presents novel insight into the mechanisms of Atlantic Meridional Overturning Circulation (AMOC) reduction and its recovery under a warmer climate scenario. An one-thousand-year-long numerical simulation global coupled ocean-ice-atmosphere model, subjected to stationary atmospheric radiative forcing, depict coherent picture Arctic sea ice melting as trigger for initial AMOC reduction, along with decreases in northward fluxes salt heat. Further atmospheric-driven ocean processes...
In the present study two extreme events that occurred in East Coast of Northeast Brazil (ENEB) during 2022 and 2023 were evaluated. These are becoming increasingly frequent all regions Brazil, associated with significant material human losses, emphasizing significance a deeper comprehension these events. ERA5 global reanalysis data, GOES-16 satellite imagery pluviometric stations used for analysis. Model simulations also conducted using Prediction Across Scales (MPAS) variable resolution...
Abstract. The performance of the coupled ocean–atmosphere component Brazilian Earth System Model version 2.5 (BESM-OA2.5) was evaluated in simulating historical period 1850–2005. After a climate model validation procedure which main atmospheric and oceanic variabilities were against observed reanalysis datasets, evaluation specifically focused on mean state most important large-scale variability patterns simulated run, forced by greenhouse gas concentration. significant upgrades model's...
Extreme rainfall events are becoming increasingly frequent in Northeast Brazil (NEB). The state of Alagoas, located on the eastern coast region, is one most affected areas recent years, with records high-magnitude over past four years. These cause significant socioeconomic impacts, resulting considerable human and material losses, underscoring importance a deeper understanding to mitigate short-term risks better. This study aims investigate synoptic mesoscale conditions driving extreme...
Abstract. The main features of climate change patterns, as simulated by the coupled ocean–atmosphere version 2.5 Brazilian Earth System Model (BESM), are compared with those 25 other CMIP5 models, focusing on temperature, precipitation, atmospheric circulation, and radiative feedbacks. sensitivity to quadrupling CO2 concentration was investigated via two methods: linear regression (Gregory et al., 2004) kernels (Soden Held, 2006; Soden 2008). Radiative from both National Center for...
The scope of this work was to evaluate simulated carbon monoxide (CO) and aerosol optical depth (AOD) from the CAM-chem model against observed satellite data additionally explore empirical relationship CO, AOD fire radiative power (FRP). seasonal global concentrations CO were compared, respectively, with Measurements Pollution in Troposphere (MOPITT) Moderate-Resolution Imaging Spectroradiometer (MODIS) products for period 2010–2014. simulations performed two configurations: (A)...
Abstract Tropical–extratropical cloud bands are common in South America (SAm), contributing significantly to the total rainy season precipitation. Thus, it is fundamental that climate and weather forecast models correctly represent them their associated dynamic aspects. Adopting an event‐based framework, we evaluate performance of two global simulating observed over SAm: Brazilian Global Atmospheric Model version 1.2 (BAM‐1.2) Hadley Centre Environment Coupled configuration 3.1...
Abstract The reliability of climate prediction by a global model is directly related to the ability simulate observed variability and main teleconnection patterns. Precipitation anomalies in certain regions are strongly affected these features, it important know if models able reproduce such patterns influences. objective this article analyse some features Brazilian Atmospheric Model with simplified physics (BAM‐v0), discuss several aspects over South America. Especially, simulating that...
Abstract This article presents the Centre for Weather Forecast and Climate Studies (CPTEC) developments configuring a global sub‐seasonal prediction system assessing its ability in producing retrospective predictions (hindcasts) meteorological conditions of following 4 weeks. Six Brazilian Global Atmospheric Model version 1.2 (BAM‐1.2) configurations were tested terms vertical resolution, deep convection boundary‐layer parametrizations, as well soil moisture initialization. The aim was to...
© 2018 American Meteorological Society. For information regarding reuse of this content and general copyright information, consult the AMS Copyright Policy (www.ametsoc.org/PUBSReuseLicenses).CORRESPONDING AUTHOR: Ariane Frassoni, ariane.frassoni@inpe.br
Abstract The Climate Science for Service Partnership Brazil (CSSP‐Brazil) project provides and UK partners the opportunity to address important challenges faced by climate modeling community, including need develop subseasonal seasonal prediction projection services. This paper an overview of research conducted through CSSP‐Brazil within context a framework advance services in that includes research‐to‐services (R2S) services‐to‐research (S2R) feedback pathway. also highlights plans...
Air pollution has become one of the factors that most affect quality life, human health, and environment. Gaseous pollutants from motor vehicles have a significantly harmful effect on air in Metropolitan Area São Paulo (MASP)—Brazil. Motor emit large amounts particulate matter (PM), carbon monoxide (CO), nitrogen oxides (NOx), volatile organic compounds (VOCs), last three acting as main tropospheric ozone (O3) precursors. In this study, we evaluated effects these MASP during partial lockdown...