31 documents found, page 1 of 4
Four Years of Atmospheric Boundary Layer Height Retrievals Using COSMIC-2 Satel...
Garnés-Morales, Ginés; Costa, Maria João; Bravo-Aranda, Juan Antonio; Granados-Muñoz, Maria José; Salgueiro, Vanda; Abril-Gago, JesusThis work aimed to study the atmospheric boundary layer height (ABLH) from COSMIC-2 refractivity data, endeavoring to refine existing ABLH detection algorithms and scrutinize the resulting spatial and seasonal distributions. Through validation analyses involving different ground-based methodologies (involving data from lidar, ceilometer, microwave radiometers, and radiosondes), the optimal ABLH determination re...
Fine and coarse dust radiative impact during an intense Saharan dust outbreak o...
López-Cayuela, M.A.; Córdoba-Jabonero, C.; Sicard, M.; Abril-Gago, J.; Salgueiro, Vanda; Comerón, A.; Granados-Muñoz, M.J.; Costa, Maria JoãoMineral dust has a key role in the Earth’s radiative balance, and it has become significant over the Iberian Peninsula (IP), where Saharan dust outbreaks have seemed to increase in frequency and intensity. This study quantifies the dust direct radiative effect (DRE) in the short-wave range (SW) during an intense persistent springtime dust episode over the IP. In particular, the vertical distribution of dust opt...
Fine and coarse dust radiative impact during an intense Saharan dust outbreak o...
López-Cayuela, María-Ángeles; Córdoba-Jabonero, Carmen; Sicard, Michaël; Abril-Gago, Jesús; Salgueiro, Vanda; Comerón, AdolfoMineral dust has a key role in the Earth’s radiative balance, and it has become significant over the Iberian Peninsula (IP), where Saharan dust outbreaks have seemed to increase in frequency and intensity. This study quantifies the dust direct radiative effect (DRE) in the short-wave range (SW) during an intense persistent springtime dust episode over the IP. In particular, the vertical distribution of dust opt...
Livro de Resumos da 11ª Assembleia Luso Espanhola de Geodesia e Geofísica
Caldeira, Bento; Bortoli, Daniele; Duarte, Ediclê; Buforn, Elisa; Carrilho, Fernando; Couto, Flávio; Ribeiro, Helena; Sobrino, José AntónioLivro de Resumos da 11ª Assembleia Luso Espanhola de Geodesia e Geofísica
Monthly Convective Boundary Layer Height Study over Brazil Using Radiosonde, ER...
de Arruda Moreira, Gregori; Pérez Herrera, María Jesús; Garnés Morales, Ginés; Costa, Maria João; Cacheffo, Alexandre; Carbone, SamaraAlthough the atmospheric boundary layer height (ABLH) is a highly relevant parameter for various meteorological studies, the analysis of its behavior remains undersampled in South America, especially in Brazil. In this context, this work presents a monthly characterization of the ABLH during the convective period (Convective Boundary Layer Height-CBLH) using radiosonde data and a comparison between the monthly ...
Evidence of the consequences of the prolonged fire season on air quality and pu...
de Arruda Moreira, Gregori; Carbone, Samara; Guerrero-Rascado, Juan Luis; Andrade, Izabel; Cacheffo, Alexandre; Vélez-Pereira, AndrésOver the last decade, the number of forest fires in Brazil has been increasing continuously. In 2024, the number of forest fires in São Paulo state reached unprecedented levels. This phenomenon, combined with unfavorable conditions for pollutant concentrations, given temperature and precipitation anomalies, resulted in high concentrations of pollutants for several weeks, mainly affecting the number of hospitali...
Atmospheric boundary layer height from ground-based remote sensing: a review of...
Kotthaus, Simone; Bravo-Aranda, Juan Antonio; Collaud Coen, Martine; Guerrero-Rascado, Juan Luis; Costa, Maria João; Cimini, Domenico; O'Connor, EwanThe atmospheric boundary layer (ABL) defines the volume of air adjacent to the Earth's surface for the dilution of heat, moisture, and trace substances. Quantitative knowledge on the temporal and spatial variations in the heights of the ABL and its sub-layers is still scarce, despite their importance for a series of applications (including, for example, air quality, numerical weather prediction, greenhouse gas ...
Active and passive remote sensing aerosol observations over the south of Portug...
Salgueiro, Vanda; Costa, Maria João; Guerrero-Rascado, Juan Luis; Bortoli, DanieleAerosols of natural or anthropogenic origin play an important role in the Earth’s climate system due to their interaction with radiation and clouds. The interaction depends on aerosol optical and microphysical properties such as aerosol optical depth and particle size distributions among others. For example, volcanos are natural sources of aerosols, and they could release large amounts of gases (e.g., sulphur d...
Characterization of Tajogaite volcanic plumes detected over the Iberian Peninsu...
Salgueiro, Vanda; Guerrero-Rascado, Juan Luis; Costa, Maria João; Román, Roberto; Cazorla, Alberto; Serrano, Antonio; Molero, Francisco; Sicard, MichaelThree volcanic plumes were detected during the Tajogaite volcano eruptive activity (Canary Islands, Spain, September–December 2021) over the Iberian Peninsula. The spatiotemporal evolution of these events is characterised by combining passive satellite remote sensing and ground-based lidar and sun-photometer systems. The inversion algorithm GRASP is used with a suite of ground-based remote sensing instruments s...
Vertical characterization of fine and coarse dust particles during an intense S...
López-Cayuela, Maria Ángeles; Córdoba-Jabonero, Carmen; Bermejo-Pantaleón, D.; Sicard, Michael; Salgueiro, Vanda; Molero, FranciscoAn intense and long-lasting Saharan dust outbreak crossed the Iberian Peninsula (IP) from the southwest (SW) to the northeast (NE) from 25 March until 7 April 2021. This work aims to assess the optical and mass contribution of both fine and coarse dust particles along their transport. Five Iberian lidar stations were monitoring the transport and evolution of the Saharan dust particles, i.e. El Arenosillo/Huelva...