El efecto del capital social en la violencia en la pareja adolescente desde una perspectiva de interseccionalidad

Antecedentes: La violencia de pareja (VP) es un fenómeno social complejo ampliamente estudiado. Sin embargo, pocos de estos estudios consideran el capital social y la interseccionalidad. Nuestro objetivo fue describir el efecto del capital social en la victimización por VP entre estudiantes de secundaria, considerando tres factores de interseccionalidad (sexo asignado al nacer, orientación sexual y origen migratorio) en dos ciudades de España en 2019-2020. Métodos: Se analizó una muestra transversal de 640 adolescentes con pareja, de 13 a 16 años, de un programa de promoción de relaciones equitativas en Alicante y Terrassa. La variable resultado fue haber sufrido violencia en la pareja (control, miedo, física o sexual) en algún momento de la vida. Se utilizaron variables individuales y relacionales para calcular la razón de prevalencia ajustada (RPa) a partir de modelos multivariable construidos mediante regresión robusta de Poisson, y estratificados por sexo, orientación sexual y origen migratorio. Resultados: La mayor prevalencia de VP (56,25%) se encontró en adolescentes lesbianas, gays o bisexuales (LGB) sin actividad social. La orientación LGB se asoció significativamente con la victimización por VP en los adolescentes con origen en países de bajos ingresos (PBI) (aPR: 1,93) y en las chicas (aPR: 1,53). Por último, la procedencia de un PBI fue un determinante significativo de la VP en los chicos (aPR: 1,76) y en los estudiantes, independientemente de la orientación sexual. Una mayor actividad social mostró un efecto protector para los estudiantes de origen en países de altos ingresos (PAI) y de orientación sexual LGB, independientemente del sexo y la orientación sexual. Conclusiones: La actividad social se asocia de forma desigual con una menor victimización por violencia de la pareja en algún momento de la vida adolescente. La fuerte asociación del origen migratorio y la orientación sexual con la VPI refuerza el enfoque de su prevención en los adolescentes desde una perspectiva de interseccionalidad.Background: Intimate partner violence (IPV) is a complex social phenomenon widely studied. However, few of these studies consider social capital and intersectionality. Our aim was to describe the effect of social capital in IPV victimisation among secondary students, considering three factors of intersectionality (sex assigned at birth, sexual orientation and migration background) in two cities of Spain in 2019-2020. Methods: We analysed a cross-sectional sample of 640 ever-partnered adolescents aged 13–16 years who had taken part in a programme for positive relationship. The main outcome was lifetime IPV (control, fear, physical or sexual violence). Individual and relational variables (bonding social capital) were used to calculate adjusted prevalence ratios (aPR) from multivariate Robust Poisson regression models stratified by sex assigned at birth, sexual orientation and migration background (factors of intersectionality). Results: The highest IPV prevalence (56.25%) was found in lesbian, gay or bisexual (LGB) adolescents without social activity. LGB orientation was significantly associated with IPV victimisation in adolescents with low-income country (LIC) backgrounds (aPR: 1.93) and in girls (1.53). Finally, a LIC background was a significant determinant of IPV in boys (aPR: 1.76) and in students independently of sexual orientation. Higher social activity showed a protective effect for students with HIC backgrounds and LGB-sexual orientations. A possible protective effect of social support in HIC backgrounds and regardless of sex and sexual orientation must be considered. Conclusions: Social activity is unequally associated with less lifetime IPV. The strong association of migration background and sexual orientation with IPV reinforces the approach to its prevention in adolescents from an intersectionality perspective.This study was funded by the multi-centre project "Promotion of protective assets against gender violence in adolescence and preadolescence" (Grant reference PI18/00590 and PI18/00544) of the Carlos III Institute of Health, as an intermediary body of the European Regional Development Fund (ERDF) and the European Social Fund (ESF). The project was also supported by the Centro de Investigación Biomédica en Red de Epidemiología Salud Pública (CIBERESP) through the subprogramme on Prevention of Gender Violence of the Programme on Social Determinants of Health (no grant award number specified)

Potential use of space-based lightning detection in electric power systems

Information about lightning activity and its parameters is necessary to design and evaluate the lightning protection of an electrical power system. This information can be obtained from ground-based lightning detection networks that provide information on cloud-to-ground lightning strikes with a location accuracy of few hundred meters. Recently, the first satellite-based lightning optical detectors are operating continuously from geostationary orbits. These imagers observe the luminosity escaping from clouds to detect and locate total lightning activity with a spatial accuracy of several kilometers. This allows delineating the initiation and propagation (sometimes over tens to hundreds of kilometers before striking the ground) not observable by the ground-based networks. In this paper, we explore the use of this new technology for lightning protection in power systems. We focus on tall objects such as wind turbines and overhead transmission lines. We show how the optical detections allow identifying lightning flashes that likely produce continuing currents. This provides additional information for the identification of dangerous events and also can be used to estimate the number of upward-flashes from tall objects triggered by a nearby flash. The analysis of a transmission line shows the concentration of faults in the areas of high total lightning flash density. We found regional variations of the optical energy of the flashes along the line.This work was supported by research grants ESP2017-86263-C4-2-R funded by MCIN/AEI/ 10.13039/501100011033 and by “ERDF A way of making Europe”, by the “European Union”; and Grants PID2019- 109269RB-C42 and ENE2017-91636-EXP funded by MCIN/AEI/ 10.13039/501100011033. S. Goodman was in part supported by NASA Grant 80NSSC18K1689. M. M. F. Saba was in part supported by research grants 2012/15375–7 and 2013/05784–0, from Sao ˜ Paulo Research Foundation (FAPESP). S. Visacro was supported by a research grant (307381/2019–6) of the Brazilian National Council of Technological and Scientific Development (CNPq). The GLM data are available from the NOAA National Centers for Environmental Information (NCEI) and Cloud Service Providers (e.g., Amazon Web Services, AWS). The LIS data are available from the NASA GHRC Distributed Active Archive Center (DAAC) (https:// https://ghrc.nsstc.nasa.gov/home/access-data. The power system information for the 500 kV transmission line is provided by ISA-INTERCOLOMBIA and is supported by L. Porras.Peer ReviewedPostprint (author's final draft

Previous SARS-CoV-2 Infection Increases B.1.1.7 Cross-Neutralization by Vaccinated Individuals

With the spread of new variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), there is a need to assess the protection conferred by both previous infections and current vaccination. Here we tested the neutralizing activity of infected and/or vaccinated individuals against pseudoviruses expressing the spike of the original SARS-CoV-2 isolate Wuhan-Hu-1 (WH1), the D614G mutant and the B.1.1.7 variant. Our data show that parameters of natural infection (time from infection and nature of the infecting variant) determined cross-neutralization. Uninfected vaccinees showed a small reduction in neutralization against the B.1.1.7 variant compared to both the WH1 strain and the D614G mutant. Interestingly, upon vaccination, previously infected individuals developed more robust neutralizing responses against B.1.1.7, suggesting that vaccines can boost the neutralization breadth conferred by natural infection.info:eu-repo/semantics/publishedVersio

Winter lightning triggered by wind-turbines: the case of snowstorm Filomena

Winter storm Filomena battered the Iberian Peninsula on the 9-10th January 2021, covering the eastern half of Spain with a huge amount of snow. Apart from the historical snowfall, lightning activity was observed during this snowstorm episode. Although most of lightning was oversea, lightning hotspots were observed in different regions across the Iberian Peninsula, such as Galicia, Asturias, Catalunya and Andalucía. A closer look at the inland lightning hotspots showed wind turbines in the close vicinity of most of the lightning. The analysis of the ERA5 variables has shown that environmental conditions were prone to winter lightning. One of the most representative is the height of the -10 °C isotherm, a key variable for cloud electrification. A low height of the -10 °C enhances electric fields at the top of tall man-made structures, like the wind turbines, favouring the inception of upward lightning. Moreover, moving blades are exposed to stronger local electric fields than static objects, favouring the initiation of stable lightning leaders and subsequent lightning strokes.Peer ReviewedPostprint (published version

New era of lightning detection from space: application to electric power systems

Information about lightning activity and its parameters is necessary to design and evaluate the lightning protection of an electrical power system. This information can be obtained from ground-based lightning detection networks that provide information on cloud-to-ground lightning strikes with a location accuracy of few hundred meters. Recently, the first satellite-based lightning optical detectors are operating continuously from geostationary orbits. These imagers observe the luminosity escaping from clouds to detect and locate total lightning activity with a spatial accuracy of several kilometers. This allows delineating the initiation and propagation (sometimes over tens to hundreds of kilometers before striking the ground) not observable by the ground-based networks. In this paper, we explore the use of this new technology for lightning protection in power systems.This work was supported by research grants from the Spanish Ministry of Economy and the European Regional Development Fund (FEDER): ESP2017-86263-C4-2-R and PID2019-109269RB-C42. S. Goodman was in part supported by NASA Grant 80NSSC18K1689.Peer ReviewedPostprint (published version