Papers

2017

[46]

Mendes VB, Barbosa SM, Romero I, Madeira J, Brum da Silveira A, 2017. Vertical Land Motion and Sea Level Change in Macaronesia. Geophysical Journal International (in press)

[45]

Barbosa SM, Miranda P, Azevedo EB, 2017. Short-term variability of gamma radiation at the ARM Eastern North Atlantic facility (Azores). Journal of Environmental Radioactivity, 172, 218-231.

2016

[44]

Silva HG, Lopes FM, Pereira S, Nicoll K, Barbosa SM, Conceicao R, Neves S. Harrison RG, Collares Pereira MC, 2016. Saharan dust electrification perceived by a triangle of atmospheric electricity stations in Southern Portugal. Journal of Electrostatics 84,106-120.

[43]

Barbosa SM, Donner RV, 2016. Long-term changes in the seasonality of Baltic sea-level. Tellus A 68, 30540.

[42]

Barbosa SM, 2016. Trends in extreme mean sea level quantiles from satellite altimetry. Marine Geodesy 39, 165-177.

[41]

Barbosa SM, Gouveia S, Scotto MG, Alonso AM, 2016. Wavelet-Based Clustering of Sea Level Records. Mathematical Geosciences, 48, 149-162.

2015

[40]

Barbosa SM, Donner RV, Steinitz G, 2015. Radon applications in geosciences – progress & perspectives. Eur. Phys. J. Special Topics 224, 597-603.

[39]

Donner RV, Potirakis KM, Barbosa SM, Matos JAO, Pereira AJSC, Neves LJPF, 2015. Intrinsic vs. spurious long-range memory in high-frequency records of environmental radioactivity - Critical re-assessment and application to indoor 222-Rn concentrations from Coimbra, Portugal. Eur. Phys. J. Special Topics 224, 741-762.

[38]

Barbosa SM, Lopes F, Correia AD, Barbosa S, Pereira AC, Neves LF, 2015. Temporal variability of radon in a remediated tailing of uranium ore processing - the case of Urgeiriça (central Portugal). Journal of Environmental Radioactivity 142,14-23.

2014

[37]

Ribeiro A, Barbosa SM, Scotto MG, Donner RV (2014) Changes in extreme sea-levels in the Baltic Sea. Tellus A 66, 20921.

[36]

Barriopedro D, Gallego D, Alvarez-Castro MC, Garcia-Herrera R, Wheeler D, Pena-Ortiz C, Barbosa SM, 2014. Witnessing North Atlantic westerlies variability from ships’ logbooks (1685-2008). Climate Dynamics 43, 939-955.

2013

[35]

Bastos A, Trigo R, Barbosa SM, 2013. Discrete wavelet analysis of the influence of the North Atlantic Oscillation on Baltic Sea level. Tellus 65A, 20077.

[34]

Zafrir H, Barbosa SM, Malik U, 2013. Differentiation between the Effect of Temperature and Pressure on Radon within the Subsurface Geological Media. Radiation Measurements, 49, 39-56.

2012

[33]

Monteiro A, Carvalho A, Ribeiro I, Scotto M, Barbosa S, Alonso A, Baldasano JM, Pay MT, Miranda AI, Borrego C, 2012. Trends in ozone concentrations in the Iberian peninsula by quantile regression and clustering Atmospheric Environment, 56, 184-193.

[32]

Donner RV, Ehrcke R, Barbosa SM, Wagner J, Donges JF, Kurths J, 2012. Spatial patterns of linear and nonparametric long-term trends in Baltic sea-level variability Nonlin. Processes Geophys., 19, 95-111.

[31]

Dunne RP, Barbosa SM, Woodworth PL, 2012. Contemporary sea level in the Chagos Archipelago, central Indian Ocean. Global and Planetary Change, 82, 25-37.

[30]

Barbosa SM, Madsen KS, 2012. Quantile analysis of relative sea-level at the Hornbæk and Gedser tide gauges. International Association of Geodesy Symposia 136, 567-571.

[29]

Barbosa SM, 2012. Atmospheric correction of satellite altimetry observations and sea-level variability in the NE Atlantic. Advances in Space Research 50, 1077-1084, doi:10.1016/j.asr.2011.09.013

2011

[28]

Woith H, Barbosa SM, Gajewski C, Steinitz G, Piatibratova O, Malik U, Zschau J, 2011. Periodic and transient radon variations at the Tiberias hot spring, Israel during 2000–2005. Geochemical Journal, 45, 473-482.

[27]

Barbosa SM, Scotto MG, Alonso AM, 2011. Summarising changes in air temperature over central Europe by quantile regression and clustering, Nat. Hazards Earth Syst. Sci. 11, 3227-3233.

[26]

Zafrir H, Haquin G, Malik U, Barbosa SM, Piatibratova O, Steinitz G, 2011. Gamma versus Alpha Sensors for Rn-222 Long-Term Monitoring in Geological Environments. Radiation Measurements 46, 611-620.

[25]

Pereira AJSC, Barbosa SM, Neves LJPF, Aumento F, 2011. Soil-gas radon monitoring in an active granite quarry from central Portugal. Natural Hazards and Earth System Sciences 11, 1845-1849.

[24]

Choubey VM, Arora BR, Barbosa SM, Kumar N, Kamra L, 2011. Seasonal and daily variation of Radon at 10m depth in borehole, Lesser Garhwal Himalaya, India. Applied Radiation and Isotopes 69, 1070-1078.

[23]

Scotto MG, Barbosa SM, Alonso AM, 2011. Extreme value and cluster analysis of European daily temperature series. Journal of Applied Statistics 38, 2793-2804.

[22]

Barbosa SM, 2011. Testing for deterministic trends in global sea surface temperature, Journal of Climate, 24, 2516-2522.

2010

[21]

Barbosa SM, Zafrir H, Malik U, Piatibratova O, 2010. Multi-year to daily Radon variability from continuous monitoring at the Amram tunnel, southern Israel. Geophysical Journal International, 182, 829-842.

[20]

Scotto MG, Alonso AM, Barbosa SM, 2010. Clustering time series of sea levels: an extreme value approach. Journal of Waterway, Port, Coastal, and Ocean Engineering 136, 215-225

2009

[19]

Fatichi S, Barbosa SM, Caporali E, Silva ME, 2009. Deterministic vs Stochastic Trends: Detection and Challenges. Journal of Geophysical Research 114, D18121.

[18]

Neves LJPF, Barbosa SM, Pereira AJSC, 2009. Indoor radon periodicities and their physical constraints: a study in the Coimbra region (Central Portugal). Journal of Environmental Radioactivity 100, 896-904.

[17]

Barbosa SM, Silva ME, 2009. Low-frequency sea-level change in Chesapeake Bay: changing seasonality and long-term trends. Estuarine, Coastal and Shelf Science 83, 30-38.

[16]

Scotto MG, Barbosa SM, Alonso AM, 2009. Model-based clustering of Baltic sea-level. Applied Ocean Research 31, 4-11.

[15]

Barbosa SM, 2009. Changing seasonality in Europe's air temperature. European Physical Journal - Special Topics, 174, 81–89.

[14]

Donner R, Barbosa, SM Kurths J, Maraun N, 2009. Understanding the Earth as a Complex System - recent advances in data analysis and modelling in Earth sciences. European Physical Journal - Special Topics, 174, 1-9.

[13]

Barbosa SM, Andersen OB, 2009. Trend patterns in global sea surface temperature. International Journal of Climatology 29, 2049-2055.

[12]

Barbosa SM, Silva ME, Fernandes MJ, 2009. Multi-scale variability patterns in NCEP/NCAR reanalysis sea-level pressure. Theoretical and Applied Climatology, 96, 319-326.

2008

[11]

Barbosa SM, 2008. Quantile trends in Baltic sea-level. Geophysical Research Letters, 35, L22704, doi:10.1029/2008GL035182.

[10]

Barbosa SM, Silva ME, Fernandes MJ, 2008. Changing seasonality in North Atlantic coastal sea level from the analysis of long tide gauge records. Tellus, 60A, 165-177.

2007

[9]

Steinitz G, Piatibratova O, Barbosa SM, 2007. Radon daily signals in the Elat Granite, Southern Arava, Israel. Journal of Geophysical Research, 112, B10211.

[8]

Barbosa SM, Steinitz G, Piatibratova O, Silva ME, Lago P, 2007. Radon variability at the Elat granite, Israel: Heteroscedasticity and nonlinearity. Geophysical Research Letters, 34, L15309.

[7]

Barbosa SM, Fernandes MJ, Silva ME, 2007. Scale-based comparison of Sea Level observations in the North Atlantic from Satellite Altimetry and Tide Gauges. International Association of Geodesy Symposia, 130, 63-66, Springer.

2006

[6]

Barbosa SM, Fernandes MJ, Silva ME, 2006. Long range dependence in North Atlantic sea level. Physica A: Statistical Mechanics and its Applications, 371, 725-731.

[5]

Barbosa SM, Silva ME, Fernandes MJ, 2006. Multivariate autoregressive modelling of sea level time series from TOPEX/Poseidon satellite altimetry. Nonlinear Processes in Geophysics, 13, 177-184.

[4]

Barbosa SM, Silva ME, Fernandes MJ, 2006. A discrete wavelet analysis of North Atlantic Oscillation winter indices. International Journal of Climatology, 26, 581-593.

[3]

Fernandes MJ, Barbosa SM, Lazaro C, 2006. Impact of Altimeter Data Processing on Sea Level Studies. Sensors, 6, 131-163.

2005

[2]

Barbosa SM, Fernandes MJ, Silva ME, 2005. Space-time analysis of sea level in the North-East Atlantic from T/P satellite altimetry. International Association of Geodesy Symposia, 129, 248-253, Springer.

2004

[1] Barbosa SM, Fernandes MJ, Silva ME, 2004. Non linear estimation of eustatic trends in European tide gauge records. Annales Geophysicae, 22, 1465-1472.