PhD in Geophysical Sciences and Geoinformation
Post-Doctoral Researcher at Instituto Português do Mar e da Atmosfera

Email: snermida@fc.ul.pt

Orcid: 0000-0003-0737-0824
ResearcherID: K-8885-2014

Scientific Interests: Meteorology; Remote Sensing; Surface properties; Land-atmosphere interactions; Wildfires; Climatology


WORK EXPERIENCE

Visiting Researcher
NASA Jet Propulsion Laboratory
Sep 2017 – Feb 2018

Investigating the angular dependence and soil moisture impact on thermal infrared land surface emissivity.

Researcher
Satellite Application Facility on Land Surface Analysis (LSA-SAF); IDL-UL
Sep 2012 – Mar 2014

The problem of estimating land surface temperature from top-of-atmosphere radiances as detected by remote sensing from space.

Researcher
Satellite Application Facility on Land Surface Analysis (LSA-SAF); IDL-UL
Sep 2011 – Sep 2012

Mapping fire risk over the Mediterranean region, based on land cover, vegetation stress and meteorological conditions and using active fire detections from satellites.

Teaching Assistant
Faculty of Sciences, University of Lisbon
Feb 2011 – Jul 2011

Teaching assistant  for the Numeric Laboratory course for 1st year students of Meteoreology,
Oceanography and Geophysics graduate degree.

Researcher
Dom Luiz Institute (IDL), University of Lisbon
09/2009-07/2010

Analysis of available wind power in continental Portugal.


EDUCATION & TRAINING

Geophysical Sciences and Geoinformation – Remote Sensing (PhD degree)
Faculty of Sciences, University of Lisbon
Mar 2014 – May 2018
Thesis title: Harmonization of Remote Sensing Land Surface Products: correction of clear sky bias and characterization of directional effects
 

Training workshop
CIHEAM—Mediterranean Agronomic Institute of Zaragoza (Spain)
20-25 May 2013

Managing forest fires to face climate and socioeconomic change.

Geophysical Sciences (Master degree)
Faculty of Sciences, University of Lisbon
Sep 2011 – Jul 2013

Thesis title: Modeling the angular dependence of satellite retrieved Land Surface Temperature (LST) 

Training workshop
GREENCYCLES II, Estellus, Paris-Meudon Observatory (France)
03-07 Oct 2011

Satellite Remote Sensing

Meteorology, Oceanography and Geophysics (Graduate degree)
Faculty of Sciences, University of Lisbon
Sep 2008 – Jul 2011

Thesis title: Maps of fire risk over Mediterranean Europe


HONORS & AWARDS

Fulbright Research Grant with the support of the Portuguese Science Foundation (FCT)
Fulbright Portugal
2017/2018

Academic Merit Award
Faculty of Sciences, University of Lisbon
2009/2010


MAIN PUBLICATIONS

Thesis

Ermida, Sofia Nunes Lorena. Harmonization of Remote Sensing Land Surface Products: correction of clear sky bias and characterization of directional effects. Lisboa, 2018. Dissertação (PhD in Geophysical Sciences and Geoinformation – Remote Sensing) – Faculdade de ciências da Universidade de Lisboa.

Ermida, Sofia Nunes Lorena. Modeling the angular dependence of satellite retrieved Land Surface Temperature (LST). Lisboa, 2013. Dissertação (Mestrado em Ciências Geofísicas) – Faculdade de ciências da Universidade de Lisboa.

Scientific journals

Ermida, S.L., Trigo, I.F., DaCamara, C.C., Roujean, J.-L. (2018) Assessing the potential of parametric models to correct directional effects on local to global remotely sensed LST. Remote Sensing of Environment, 209, 410422. DOI

Jimenez, C., Prigent, C., Ermida, S. L., Moncet, J.-L. (2017) Inversion of AMSR-E observations for land surface temperature estimation – Part 1: Methodology and evaluation with station temperature. Journal of Geophysical Research – Atmospheres, 122.

Ermida, S. L., Jimenez, C., Prigent, C., Trigo, I. F., DaCamara, C. C. (2017) Inversion of AMSR-E observations for land surface temperature estimation – Part 2: Global comparison with infrared satellite temperature. Journal of Geophysical Research – Atmospheres, 122.

Ermida, S.L., DaCamara, C.C., Trigo, I.F., Pires, A.C., Ghent, D., Remedios, J., (2017). Modelling directional effects on remotely sensed land surface temperature. Remote Sensing of Environment, 190, 56–69. doi:10.1016/j.rse.2016.12.008

Jimenez, C., D, Michel, M. Hirschi, S. Ermida, and C. Prigent, (2017). Applying multiple land surface temperature products to derive heat fluxes over a grassland site, Remote Sensing Applications: Society and Environment, 6, 15-24. doi: 10.1016/j.rsase.2017.01.002

Dacamara, C. C. , Libonati, R. , Ermida, S. L. , and Calado, T. J. , (2016). A User-Oriented Simplification of the (V,W) Burn-Sensitive Vegetation Index System, IEEE Geoscience and Remote Sensing Letters, 13 (12), 1822-1826. doi: 10.1109/LGRS.2016.2614319

Ermida, S.L., Trigo, I.F., DaCamara, C.C., Goettsche, F.M., Olesen, F.S., Hulley, G. (2014). Validation of remotely sensed surface temperature over an oak woodland landscape – the problem of viewing and illumination geometries. Remote Senising of Environment , 148, 16-27.

DaCamara, CC, Calado, TJ, Ermida, SL, Trigo, IF, Amraoui, M, Turkman, KF (2014). Calibration of the Fire Weather Index over Mediterranean Europe based on fire activity retrieved from MSG satellite imagery. International Journal of Wildland Fire, 23(7), 945-958.


COMMUNICATIONS

Oral communications

Ermida, Sofia, DaCamara, Carlos C., Trigo, Isabel F., Pires, Ana C., and Ghent, Darren, “Modelling the angular effects on satellite retrieved LST at global scale using a land surface classification”, EGU 2017

Jimenez, Carlos, Prigent, Catherine, Aires, Filipe, and Ermida, Sofia, “Toward all weather, long record, and real-time land surface temperature retrievals from microwave satellite observations”, EGU 2017

DaCamara, Carlos, Libonati, Renata, Calado, Teresa, Ermida, Sofia, and Nunes, Sílvia, “On the use of the (V,W) Burn-Sensitive Vegetation Index System to monitor the spatiotemporal distribution of burned areas in Portugal”, EGU 2017

Nunes, Sílvia A., DaCamara, Carlos C., Turkman, Kamil F., Ermida, Sofia L., and Calado, Teresa J., “Anticipating the severity of the fire season in Northern Portugal using statistical models based on meteorological indices of fire danger”, EGU 2017

Prigent, C., Jimenez, C., Aires, F., Ermida, S., “Land surface temperature retrieval from microwave observations within the ESA DUE GlobTemperature project, towards the production of a climate record”, 2016 Living Planet Symposium

Ermida, S. L., Pires, A. C., Ghent, D., Trigo, I. F., DaCamara, C. C.,”ESA DUE GlobTemperature project: Infrared-based LST Product”, 2016 Living Planet Symposium

Ermida, S.L., Pires, A., Trigo, I.F., DaCamara, C.C., “Towards a Harmonized LST Product – the problem of angular anisotropy of LST”, 6th LSA-SAF User Workshop 2015

Ermida, S.L., DaCamara, C.C., Trigo, I.F., “Modelling the angular effects on satellite retrieved Land Surface Temperature over Europe”, 2015 EUMETSAT Meteorological Satellite Conference

Ermida, S.L.,  DaCamara, C.C., Calado, T.J., Trigo, I.F., Amraoui, M.,  Turkman, K., “Calibration of the Fire Weather Index over Mediterranean Europe based on fire activity retrieved from MSG satellite”, 9th Alexander von Humboldt Conference – High Impact Natural Hazards Related to the Euro-Mediterranean Region 2014

Nunes, S., DaCamara, C.C., Turkman, K., Ermida, S.L.,  Calado, T.J., “Understanding inter-annual variability of burned area in Portugal using statistical models based on meteorological indices of fire danger”, 9th Alexander von Humboldt Conference – High Impact Natural Hazards Related to the Euro-Mediterranean Region 2014

DaCamara, C.C., Calado, T.J., Ermida, S.L., Trigo, I.F., Amraoui, M., Turkman, K., “Daily maps of fire risk over Mediterranean Europe based on information from MSG satellite imagery”, 7th International Conference on Forest Fire Research 2014

DaCamara, C.C., Nunes, S.A., Turkman, K., Ermida, S.L., Calado, T.J., “Anticipating the severity of the fire season in Northern Portugal using statistical models based on meteorological indices of fire danger ”, 7th International Conference on Forest Fire Research 2014

Ermida, S.L. , Trigo, I.F.., DaCamara, C.C., Göttsche, F.M., Olesen, F., “Validating LST and inter comparing observations from polar orbit and geostationary satellites by means of a model of illumination and viewing geometries ”, 5th LSA SAF User Workshop 2013

DaCamara, C.C., Calado, T.J., Ermida, S.L., Trigo, I.F., Amraoui, M., “Daily maps of fire risk over Europe”, 5th LSA SAF User Workshop 2013

Calado, T.J., DaCamara, C.C., Ermida, S.L., Nunes, S.A., Trigo, I.F., “Pyrogeography of the Iberian Peninsula”, 5th LSA SAF User Workshop 2013

Ermida, S.L., DaCamara, C.C., Trigo, I.F., “Impact of viewing and illumination geometry on land surface temperature retrievals from MSG/SEVIRI”, 2012 EUMETSAT Meteorological Satellite Conference

DaCamara, C.C., Ermida, S.L., Calado, T.J., Trigo, I.F., “Daily maps of fire risk over Mediterranean Europe”, 2012 EUMETSAT Meteorological Satellite Conference

Poster Communications

Ermida, Sofia L., Trigo, Isabel F., Liu, Yuling, and Yu, Yunyue, “Comparison of S-NPP VIIRS land surface temperature with SEVIRI”, EGU 2017

Ermida, Sofia L., Jiménez, Carlos, Prigent, Catherine, Trigo, Isabel F., and DaCamara, Carlos C., “Global inter-comparison of microwave and infrared LST from multiple sensors (AMSR-E, MODIS, SEVIRI, GOES, and MTSAT-2)”, EGU 2017

Martins, Joao, Trigo, Isabel F., Ghilain, Nicolas, Goettche, Frank-M., Ermida, Sofia, Olesen, Folke-S., Gellens-Meulenberghs, Françoise, and Arboleda, Alirio, “A comparison of all-weather land surface temperature products”, EGU 2017

Ermida, S. L., Pires, A. C., Ghent, D., Trigo, I. F., DaCamara, C. C.,” ESA DUE GlobTemperature project: Infrared-based LST Product”, EGU 2016

Ermida, S.L., Pires, A., Trigo, I.F., DaCamara, C.C., “Towards a Harmonized LST Product Using Multiple GEO and LEO Observations”, 3rd GlobTemperature User Consultation Meeting 2015

Ermida, S.L., Trigo, I.F., DaCamara, C.C., “Modeling LST dependence on viewing and illumination angles – a comparison study of geometrical and kernels approaches”, 2nd GlobTemperature User Consultation Meeting 2014

Ermida, S.L., Trigo, I.F., DaCamara, C.C., “Modeling the angular dependence of satellite retrieved Land Surface Temperature (LST)”, EGU General Assembly 2013

Calado, T.J., DaCamara, Ermida, S.L., Trigo, I.F., “Spatial and temporal characteristics of wildfire activity over the Iberian Peninsula”, EGU General Assembly 2013

Soares, P.M.M., Ermida, S.L., Cardoso, R., “Euro-Cordex Planetary Boundary Layer Height Over Europe”, International Conference on Regional Climate—CORDEX 2013

Ermida, S.L., Trigo, I.F., DaCamara, C.C., Goettsche, F.M., Olesen, F.S., Hulley, G., “Modeling the dependence on viewing and illumination geometries of Land Surface Temperature retrieved from space borne sensors”, AGU Fall Meeting 2013

Amraoui, M., DaCamara, C.C., Ermida S.L., “An algorithm to detect fire activity using Meteosat: fine tuning and quality assessment”, EGU General Assembly 2012

Ermida, S.L., Trigo, I.F., DaCamara, C.C., “Assessing the impact of viewing and illumination geometry on LST retrievals” , EGU General Assembly 2012

Amraoui, M., DaCamara, C.C., Calado, T.J. and Ermida, S.L., “Maps of fire risk over Mediterranean Europe”, EGU General Assembly 2011

Amraoui, M., DaCamara, C.C., Ermida, S.L. and Gouveia, C., “Fire activity over Africa and Mediterranean Europe based on information from Meteosat-8”, Exploring the Mega-fire Reality 2011

DaCamara, C.C., Ermida, S.L., Calado, T.J. and Gouveia, C., “Estimating daily fir risk over Mediterranean Europe”, Exploring the Mega-fire Reality 2011