A5069505518- Atmospheric Ozone and Climate
- Atmospheric chemistry and aerosols
- Atmospheric and Environmental Gas Dynamics
- Atmospheric aerosols and clouds
- Climate variability and models
- Calibration and Measurement Techniques
- Air Quality Monitoring and Forecasting
- Meteorological Phenomena and Simulations
- Geophysics and Gravity Measurements
- Earthquake Detection and Analysis
- Marine and coastal ecosystems
- Oceanographic and Atmospheric Processes
- Geography and Environmental Studies
- Solar Radiation and Photovoltaics
- Impact of Light on Environment and Health
- Precipitation Measurement and Analysis
- Infection Control and Ventilation
- Cryospheric studies and observations
- Climate Change Policy and Economics
- Arctic and Russian Policy Studies
- Geology and Paleoclimatology Research
- Seismology and Earthquake Studies
- Energy and Environment Impacts
- Environmental and Cultural Studies in Latin America and Beyond
- Underwater Vehicles and Communication Systems
Portuguese Sea and Atmosphere Institute
2014-2024
Universidad de Valladolid
2004
In support of the first Tropospheric Ozone Assessment Report (TOAR) a relational database global surface ozone observations has been developed and populated with hourly measurement data enhanced metadata. A comprehensive suite products including standard statistics, health vegetation impact metrics, trend information, are made available through common portal web interface. These form basis TOAR analyses focusing on human health, vegetation, climate relevant issues, which part this special...
The diurnal and annual variability of solar UV radiation in Europe is described for different latitudes, seasons biologic weighting functions. For the description this under cloudless skies widely used one-dimensional version radiative transfer model UVSPEC used. We reconfirm that major factor influencing irradiance elevation. While ozone a strong absorber its effect relatively constant when compared with temporal clouds. show significant role clouds play modifying climate by analyzing...
Extreme Climate Indices for precipitation are imperative climate indicators, especially in small islands such as the Azores, which highly susceptible to variability and change. This study uses results from Coupled Model Intercomparison Project Phase 6 (CMIP6) evaluate historical projected trends related extreme indices within Azores spatial patterns extensive Northeast Atlantic region. Using a robust ensemble of models, this work analyzes annual total precipitation, number wet days...
The first Iberian UV radiation intercomparison was held at “El Arenosillo”‐Huelva station of the Instituto Nacional de Técnica Aeroespatial (INTA) from September 1 to 10, 1999. During this campaign, seven Brewer spectrophotometers and one Li‐Cor spectrophotometer measured total column aerosol optical depth (AOD) 306, 310, 313.5, 316.75 320 nm. AOD calibration transferred all other Brewers using day intensive measurements. remaining days were used observe stability reproducibility...
Abstract. Strong desert dust events occurring in 2000 over the southwestern Atlantic coast of Iberian Peninsula are detected and evaluated by means TOMS Aerosol Index (A.I.) at three different sites, Funchal (Madeira Island, Portugal), Lisboa (Portugal) El Arenosillo (Huelva, Spain). At station, measurements from an AERONET Cimel sunphotometer allow a more precise retrieval spectral AOD derived alpha Ångström coefficient. After using threshold values these parameters, we conclude that it is...
Abstract The pandemic COVID‐19 disease affects people dramatically overall the globe by illness and death. Several strategies are applied to restrict spread of this such as lockdown, adequate social distance in different activities, hand disinfection use masks. Potential hazard outdoors comes from released viruses, which may remain air for a while settle down afterward contaminating surfaces. Solar ultraviolet radiation (UVR) is known act natural environmental virucide. virucidal effectivity...
In small island regions, the influence of climate change assumes particular relevance. Azores archipelago, made up nine islands, geographical circumstances, oceanic condition, territorial dispersion, land use model and other physiographic constraints reinforce enhance vulnerability islands to changes in current weather patterns. Coupled Model Intercomparison Phase 6 (CMIP6) projections are used for northeast Atlantic region evaluate daily extreme events large scale region. Results shows...
The energy sector is the largest contributor to global greenhouse gas emissions, but could also be seriously affected by climate change, calling into question society’s current consumption patterns. In this communication, projections based on a set of numerical models circulation are used simulate until end century and keep in mind alternative scenarios pollutant emissions. Apart from solar energy, results for Azores region show negative impact production renewable energies. regional...
Abstract Mechanically driven orographic lifting is important for air pollution dispersion and weather prediction, but the small dimensions of mountain peaks often prevent numerical models from producing detailed forecasts. Mechanical in stratified flow over mountains associated thermodynamic processes were quantified evaluated using Sheppard’s model to estimate dividing-streamline height zt. The was based on profile data ground-based measurements a tall, axisymmetric mountaintop which...
The evolution of the total ozone measured by a network ground stations located in Argentina and Chile between latitudes 53S 33S during spring 1993, 1994 1995 is given. Ozone data obtained from are compared with values supplied satellite showing very good agreement. Ground station were taken low cost detection system based on differential optical absorption techniques under specific conditions. Several depletion events detected south those time intervals, even at as 33S. Potential vorticity...
Measures of total ozone at Lisbon in July 1996 taken with a differential optical absorption filter instrument (UAM-DOAF) and Dobson spectrophotometer are compared. Correlation the UAM-DOAF measures NOAATOVS data from April to October NASA Earth Probe TOMS for Madrid (40 N, 3 W) given. Results show that can be used approximately per cent error estimating short-term variations.
En noviembre del 2003 y bajo el amparo de la Organización Mundial Meteorología (OMM) Programa para Observación Global Atmósfera (GAW) se estableció Centro calibración Regional Brewer Europa (RBCC-E) en Observatorio Atmosférico Izaña (IZO) perteneciente a Agencia Estatal Meteorología. El RBCC-E es referencia europea lo que le permite utilizar sus observaciones calibrar estos Brewers. organiza intercomparaciones anuales, alternan su sede entre estación Radiosondeo Arenosillo (Huelva) al...
Climate change has a strong global impact, and we are already experiencing this.Scientists working hard to find innovative sustainable solutions our problems.Climate education is recent expanding phenomenon that becoming increasingly relevant in the activities of international governmental non-governmental organizations, with an emphasis on improving public well-being health.Overall, universities have crucial role play addressing connections between climate health.By taking proactive steps...
Desert dust events reaching the Atlantic Ocean and Iberian Peninsula in year 2000 are analyzed this work. Three different measurement sites were selected: Funchal (Madeira Island), Lisbon (Portugal) El Arenosillo (Huelva, Spain). The aim of work is to study characteristics desert aerosol during these events, ability detecting them through optical depth measurements given by Brewer Cimel instruments. Back trajectories analysis also carried out as a support for measurements.
<p>The management of natural hazards is a vital concern for the sustainable development any country and information single most important factor to tackle risks from within risk reduction phase, manage response during crisis. To cope with these challenges it required, on one hand, collect baseline systems understand their current state, identify changes predict or forecast future behaviour and, other update crisis review determine...
The main purpose of this paper is to present a preliminary study on the impact stratospheric ozone tropospheric levels under specific atmospheric dynamical conditions. It well accepted that can be source part ozone. Previous studies indicate mechanism responsible for intrusion occurs generally in several steps or just single step, usually associated with strong upward motion. In first paper, methodology used order identify particular short-term episodes, potentially abovementioned...
The Tajogaite eruption of Cumbre Vieja volcano, in 2021, was a basaltic fissure characterised by variety eruptive styles ranging from the predominantly strombolian activity, to lava fountaining, ash emission and effusive activity. The lasted nearly 3 months, produced an extensive field about 45.106 m3 tephra. Although its intensity varied throughout entire duration eruption, plume had typical height 3500 m asl reached maximum 8500 just hours before end on 13th December. Ash is,...
The oceans are abundant in natural diversity, minerals and energy resources, there is an urgent need for a better understanding of its ecosystems dynamics. Synchronous Oceanic Atmospheric Data Acquisition (SONDA) Project intends to contribute atmospheric oceanic modelling monitoring by launching High-Altitude Balloons (HAB) equipped with deep-sea probes be released areas interest. This work reports the development validation three different probes: 1) APRS communications launched HAB; 2)...