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INSTITUTION

Instituto Superior Técnico

DEPARTMENT

DECivil

RESEARCH GROUP

Environment and Water Resources

Email: maria.manuela.portela@tecnico.ulisboa.pt
Phone Number: +351 218 418 142
Maria Manuela Portela Correia dos Santos Ramos da Silva | Associate Professor

Expert in hydrology; hydrologic modeling, stationary and non-stationary statistical modeling, risk analysis, water resources planning and management and design of hydraulic systems, with emphasis for hydropower schemes. Has a wide and comprehensive experience in the analysis and mathematical modeling of most of the components of the hydrologic and hydraulic systems.

Examples of her studies are:

  • (i) the appraisal and modeling of the surface runoff in ungauged watersheds at different time scales, from the day to the year;
  • (ii)) the design of artificial reservoirs aiming at ensuring different water amounts with different reliabilities, also under the scarcity of discharge data;
  • (iii) the establishment of intensive and short duration rainfalls,
  • (iv) the regionalization and evaluation of the flood discharges, also under scarcity data constraints;
  • (v) the establishment of ecological flows in arid and semi-arid regions supported by hydrologic and hydraulic criteria;
  • (vi) trend analysis in long hydrologic time series and its relation with the climate change;
  • (vii) extensive drought characterization, modeling and forecasting in mainland Portugal but also in other countries (Slovakia) and regions (South America); and
  • (viii) the non-stationary characterization of extreme hydrological variables.

ReferenceJournalAUTHOR(S) CERISDATE
Portela, M.M.; Zelenákova, M.; Santos, J.F.; Pyrcz, P.; Silva, A.T.; Hlavatá, H. (2016) Comprehensive characterization of droughts in Slovakia. Porto:
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2016
Silva, A.T.; Portela, M.M.; Naghettini, M. (2014) On peaks-over-threshold modeling of floods with zero-inflated Poisson arrivals under stationarity and nonstationarity. Stochastic Environmental Research and Risk Assessment, 28, n.º 6. pp 1587-1599. doi: 10.1007/s00477-013-0813-z Stochastic Environmental Research and Risk Assessment
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2014
Raziei, T.; Martins, D.S.; Bordi, I.; Santos, J.F.; Portela, M.M.; Pereira, L.S.; Sutera, A. (2015) SPI modes of drought spatial and temporal variability in Portugal: Comparing observations, PT02 and GPCC gridded datasets. Water Resources Management, 29, n.º 2. pp 487-504. doi: 10.1007/s11269-014-0690-3 Water Resources Management
Maria Manuela Portela Correia dos Santos Ramos da Silva
2015
Santos, J.F.; Portela, M.M.; Pulido-Calvo, I. (2013) Dimensionality reduction in drought modelling. Hydrological Processes, 27, n.º 10. pp 1399-1410. doi: 10.1002/hyp.9300 Hydrological Processes
Maria Manuela Portela Correia dos Santos Ramos da Silva
2013
Silva, A.T.; Naghettini, M.; Portela, M.M. (2016) On some aspects of peaks-over-threshold modeling of floods under nonstationarity using climate covariates. Stochastic Environmental Research and Risk Assessment, 30, n.º 1. pp 207-224. doi: 10.1007/s00477-015-1072-y Stochastic Environmental Research and Risk Assessment
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2016
Matos, J.P.; Cohen Liechti, T.; Portela, M.M.; Schleiss, A.J. (2014) Pattern-oriented memory interpolation of sparse historical rainfall records. Journal of Hydrology, 510. pp 493-503. doi: 10.1016/j.jhydrol.2014.01.003 Journal of Hydrology
Maria Manuela Portela Correia dos Santos Ramos da Silva
2014
Zeleňáková, M.; Alkhalaf, I.; Purcz, P.; Blišťanc, P.; Pelikán, P.; Portela, M.M.; Silva, A.T. (2017) Trends of rainfall as a support for integrated water resources management in Syria. Desalination and Water Treatment, 86. pp 285-296. doi: 10.5004/dwt.2017.20883 Desalination and Water Treatment
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2017
Zeleňáková, M.; Purcz, P.; Jothiprakash, V.; Hlavatá, H.; Portela, M.M. (2016) Trend detection in precipitation data. Beijing: pp 213-213.
Maria Manuela Portela Correia dos Santos Ramos da Silva
2016
Bormann, H.; Steinbrecher, J.; Althoff, I.; Roth, H.; Baez, J.; Frank, C.; Gonzalez, M.; Huenchuleo, C.; Lugo, L.; Mata, R.; Portela, M.M.; Reichert, J.M.; Rodrigues, M.F.; Sanchez, I. (2016) Recommendations for capacity development in water resources engineering and environmental management in Latin America. Water Resources Management, 30, n.º 10. pp 3409-3426. doi: 10.1007/s11269-016-1359-x Water Resources Management
Maria Manuela Portela Correia dos Santos Ramos da Silva
2016
Zeleňáková, M.; Purcz, P.; Hlavatá, H.; Gargar, I.; Portela, M.M. (2014) Statistical trends of precipitation in chosen climatic station in Slovakia and Libya. WSEAS Transactions on Environment and Development, V.10, n.º 1. pp 298-305. WSEAS Transactions on Environment and Development
Maria Manuela Portela Correia dos Santos Ramos da Silva
2014
Zeleňáková, M.; Portela, M.M.; Purcz, P.; Silva, A.T.; Blišťan, P.; Santos, J.F.; Hlavatá, H. (2016) Impact of regional climate in Slovakia on water resources management. Sharm ElSheikh: pp 1-6.
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2016
Portela, M.M.; Silva, A.T. (2017) Disaggregation modelling of annual flows into daily streamflows using a new approach of the method of fragments (vol 30, pg 5589, 2016). Water Resources Management, 31, n.º 1. pp 581-581. doi: 10.1007/s11269-016-1464-x Water Resources Management
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2017
Silva, A.T.; Portela, M.M. (2013) Stochastic assessment of reservoir storage-yield relationships in Portugal. Journal of Hydrologic Engineering-ASCE, 18, n.º 5. pp 567-575. doi: 10.1061/(ASCE)HE.1943-5584.0000650 Journal of Hydrologic Engineering-ASCE
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2013
Santos, J.F.; Portela, M.M.; Pulido-Calvo, I. (2014) Spring drought prediction based on winter NAO and global SST in Portugal. Hydrological Processes, 28, n.º 3. pp 1009-1024. doi: 10.1002/hyp.9641 Hydrological Processes
Maria Manuela Portela Correia dos Santos Ramos da Silva
2014
Portela, M.M.; Mendonça, M.; Aguiar, F.C. (2016) A preliminary assessment on the effects of small hydropower schemes on the aquatic and riparian vegetation. Some Portuguese case studies. In: Melo, J.J. de ; Disterheft, A.; Caeiro, S.; Santos, R.F.; Ramos, T.B. (Eds). Lisbon: pp 804-804.
Maria Manuela Portela Correia dos Santos Ramos da Silva
2016
Portela, M.M.; Ramalheira, A (2014) “Risk in water related topics”, in CapWEM Series “Capacity Development in Water Engineering and Environmental Management”, Volume 7. Siegen, Germany:
Maria Manuela Portela Correia dos Santos Ramos da Silva
2014
Portela, M.M.; Santos, J.F.; Silva, A.T.; Benitez, J.B. (2015) Drought analysis in southern Paraguay, Brazil and northern Argentina: regionalization, occurrence rate and rainfall thresholds. Hydrology Research, 46, n.º 5. pp 792-810. doi: 10.2166/nh.2014.074 Hydrology Research
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2015
Portela, M.M.; Silva, A.T. (2016) Disaggregation modelling of annual flows into daily streamflows using a new approach of the method of fragments. Water Resources Management, 30, n.º 15. pp 5589-5607. doi: 10.1007/s11269-016-1402-y Water Resources Management
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2016
Matos, J.P.; Cohen Liechti, T.; Juízo, D.; Portela, M.M.; Schleiss, A.J. (2013) Can satellite based pattern-oriented memory improve the interpolation of sparse historical rainfall records?. Journal of Hydrology, 492. pp 102-116. doi: 10.1016/j.jhydrol.2013.04.014 Journal of Hydrology
Maria Manuela Portela Correia dos Santos Ramos da Silva
2013
Zeleňáková, M.; Alkhalaf, I.; Purcz, P.; Blišťan, P.; Portela, M.M. (2016) Evaluation of rainfall time series by statistical methods. Thessaloniki: GRAFIMA Publications. pp 508-514.
Maria Manuela Portela Correia dos Santos Ramos da Silva
2016
Matos, J.P.; Portela, M.M.; Schleiss, A.J. (2018) Towards safer data-driven forecasting of extreme streamflows. Water Resources Management, 22, n.º 2. pp 701-720. doi: 10.1007/s11269-017-1834-z Water Resources Management
Maria Manuela Portela Correia dos Santos Ramos da Silva
2018
Silva, A.T.; Portela, M.M.; Naghettini, M.; Fernandes, W. (2017) A Bayesian peaks-over-threshold analysis of floods in the Itajaí-açu River under stationarity and nonstationarity. Stochastic Environmental Research and Risk Assessment, 31, n.º 1. pp 185-204. doi: 10.1007/s00477-015-1184-4 Stochastic Environmental Research and Risk Assessment
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2017
Silva, A.T.; Portela, M.M.; Naghettini, M.; Fernandes, W. (2016) Influence of El Niño – Southern Oscillation on the behaviour of floods in the Itajaí River basin in Southern Brazil. Vienna:
Maria Manuela Portela Correia dos Santos Ramos da Silva
Artur Tiago Carvalho de Freitas Silva
2016

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