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Otadoy, Roland Emerito S.

Otadoy, Roland Emerito S.

rsotadoy@usc.edu.ph

Degrees

B.S. Electronics and Communications Engineering, University of San Carlos, 1991
Ph.D. Physics, University of the Philippines Diliman, 2001

Research Interests:

Solid state physics, condensed matter physics, theoretical physics, remote sensing, atmospheric physics, electronics

Recent Publications:

  1. Asube, L.C.S.; Otadoy, R.E.. Geospatial Analysis of Rice Production: Integrating Precision Mapping and Waste Assessment Using Remote Sensing and GIS Technologies in Remedios T. Romualdez (RTR), Agusan del Norte. International Exchange and Innovation Conference on Engineering and Sciences. 2025, https://doi.org/10.5109/7395655.
  2. Torrefranca, I.; Otadoy, R.E.. GIS-based watershed characterization and morphometric analysis in Bohol Watersheds, Philippines. Geology Ecology and Landscapes. 2024, https://doi.org/10.1080/24749508.2022.2158554.
  3. Torrefranca, I.G.; Otadoy, R.E.S.; Tongco, A.F.. Dynamic river basins and hypsometric analyses: implications to land management and prioritization in Bohol, Central Philippines. International Journal of River Basin Management. 2024, https://doi.org/10.1080/15715124.2022.2092487.
  4. Asube, L.C.S.; Otadoy, R.E.. The Use of Geospatial Techniques to Estimate Rice Production as a Measure for Waste Analysis: A Review. International Exchange and Innovation Conference on Engineering and Sciences. 2024, https://doi.org/10.5109/7323407.
  5. Bernaldez, J.P.R.; Abac, A.G.; Otadoy, R.E.S.. Radial oscillations and dynamical instability analysis for linear-quadratic GUP-modified white dwarfs. Annals of Physics. 2023, https://doi.org/10.1016/j.aop.2023.169402.
  6. Tuñacao, J.D.M.; Abac, A.G.; Otadoy, R.E.S.. Finite temperature considerations in the structure of quadratic GUP-modified white dwarfs. International Journal of Modern Physics D. 2023, https://doi.org/10.1142/S0218271823500499.
  7. Torrefranca, I.; Otadoy, R.E.; Tongco, A.. Incorporating Landscape Dynamics in Small-Scale Hydropower Site Location Using a GIS and Spatial Analysis Tool: The Case of Bohol, Central Philippines. Energies. 2022, https://doi.org/10.3390/en15031130.
  8. Abadi, P.; Otsuka, Y.; Liu, H.X.; Hozumi, K.; Martinigrum, D.R.; Jamjareegulgarn, P.; Thanh, L.T.; Otadoy, R.. Roles of thermospheric neutral wind and equatorial electrojet in pre-reversal enhancement, deduced from observations in Southeast Asia. Earth and Planetary Physics. 2021, https://doi.org/10.26464/epp2021049.
  9. Abac, A.G.; Esguerra, J.P.H.; Otadoy, R.E.S.. Modified structure equations and mass-radius relations of white dwarfs arising from the linear generalized uncertainty principle. International Journal of Modern Physics D. 2021, https://doi.org/10.1142/S021827182150005X.
  10. Diola, A.G.; Perpetcho, W.P.; Graciosa, J.C.A.; Pantanosas, G.D.B.; Montecillo, R.H.; Flores, S.M.M.; Violanda, R.R.; Otadoy, R.E.S.; Dy, D.T.. Climate change vulnerability assessment of the coastal resources in moalboal, cebu, central philippines. Annals of Tropical Research. 2021, https://doi.org/10.32945/atr4313.2021.
  11. Buot, F.A.; Elnar, A.R.; Maglasang, G.; Otadoy, R.E.S.. On quantum hall effect, kosterlitz-thouless phase transition, dirac magnetic monopole, and bohr–sommerfeld quantization. Journal of Physics Communications. 2021, https://doi.org/10.1088/2399-6528/abdbfb.
  12. Requioma, G.M.S.; Violanda, R.R.; Otadoy, R.E.S.. White noise analysis of the interplanetary magnetic field for the minimum phase of solar cycle 23. Aip Conference Proceedings. 2020, https://doi.org/10.1063/5.0029798.
  13. Torrefranca, I.G.; Otadoy, R.E.S.; Tongco, A.F.. Dynamic state of drainage divide and river network of Bohol, a tropical island in the Central Visayas Region, Philippines. Aip Conference Proceedings. 2020, https://doi.org/10.1063/5.0014517.
  14. Arevalo, R.L.; Aspera, S.M.; Otadoy, R.E.; Nakanishi, H.; Kasai, H.. Adsorption of CH4 and SO2 on Unsupported Pd1−xMxO(101) Surface. Catalysis Letters. 2020, https://doi.org/10.1007/s10562-019-03093-y.
  15. Cañete, S.F.; Schaap, L.L.; Andales, R.; Otadoy, R.E.S.; Blanco, A.C.; Babaan, J.; Cruz, C.. ANALYSIS of the IMPACT of VEGETATION DISTRIBUTION, URBANIZATION, and SOLAR RADIATION on the SEASONAL VARIATION of the URBAN HEAT ISLAND EFFECT in CEBU CITY USING LANDSAT and GLOBAL HORIZONTAL IRRADIANCE DATA. International Archives of the Photogrammetry Remote Sensing and Spatial Information Sciences ISPRS Archives. 2019, https://doi.org/10.5194/isprs-archives-XLII-4-W19-93-2019.
  16. Buot, F.A.; Rivero, K.B.; Otadoy, R.E.S.. Generalized nonequilibrium quantum transport of spin and pseudospins: Entanglements and topological phases. Physica B Condensed Matter. 2019, https://doi.org/10.1016/j.physb.2019.01.042.
  17. Montecillo, R.; Otadoy, R.E.S.; Lee, M.L.A.D.; Buot, F.A.; Nacar, M.D.. The dependence of the characteristics of THz current oscillations on the quantum-well width in resonant tunneling diode. Aip Conference Proceedings. 2017, https://doi.org/10.1063/1.4996521.
  18. Buot, F.A.; Montecillo, R.; Nacar, M.D.; Otadoy, R.E.S.. Nonlinear physics of THz sources: Duality theory in nonequilibrium nanodevice physics. Aip Conference Proceedings. 2017, https://doi.org/10.1063/1.4996520.
  19. Buot, F.A.; Otadoy, R.E.S.; Rivero, K.B.. Magnetic susceptibility of Dirac fermions, Bi-Sb alloys, interacting Bloch fermions, dilute nonmagnetic alloys, and Kondo alloys. Physica B Condensed Matter. 2017, https://doi.org/10.1016/j.physb.2016.12.018.
  20. Oraya, A.F.; Fornis, R.; Otadoy, R.. Editing of LiDAR DEM to incorporate the effect of drainage systems in catchment delineation in urban areas: A test case in the university of San Carlos - Talamban Campus, Cebu City. 37th Asian Conference on Remote Sensing Acrs 2016. 2016, https://api.elsevier.com/content/abstract/scopus_id/85018988377.
  21. Blanco, A.C.; Tamondong, A.; Perez, A.M.; Ang, M.R.C.; Paringit, E.; Alberto, R.; Alibuyog, N.; Aquino, D.; Ballado, A.; Garcia, P.; Japitana, M.; Ignacio, M.T.; Macandog, D.; Novero, A.; Otadoy, R.E.; Regis, E.; Rodriguez, M.; Silapan, J.; Villar, R.. Nationwide natural resource inventory of the Philippines using LiDAR: Strategies, progress, and challenges. International Archives of the Photogrammetry Remote Sensing and Spatial Information Sciences ISPRS Archives. 2016, https://doi.org/10.5194/isprsarchives-XLI-B6-105-2016.
  22. Ramirez, F.; Camposano, V.A.; Pelone, M.S.; Cañete, S.F.; Delizo, D.; Violanda, R.; Otadoy, R.E.. Wetland extraction using random trees classifier on high resolution aerial imagery and LIDAR data. 37th Asian Conference on Remote Sensing Acrs 2016. 2016, https://api.elsevier.com/content/abstract/scopus_id/85018420456.
  23. Ejares, J.A.; Violanda, R.R.; Diola, A.G.; Dy, D.T.; Otadoy, J.B.; Otadoy, R.E.S.. Tree canopy cover mapping using LiDAR in urban barangays of Cebu City, central Philippines. International Archives of the Photogrammetry Remote Sensing and Spatial Information Sciences ISPRS Archives. 2016, https://doi.org/10.5194/isprsarchives-XLI-B8-611-2016.
  24. Buenaobra, B.; Manhuyod, M.; Diola, A.; Mangle, C.; Abarca, M.; Mabanta, B.; Otadoy, R.. Namics beyond the NIR for the vegetation index: A test case of various sample spectral signature of differing leaf state of health in the shortwave spectrum bands. 37th Asian Conference on Remote Sensing Acrs 2016. 2016, https://api.elsevier.com/content/abstract/scopus_id/85018418279.
  25. Loberternos, R.A.; Porpetcho, W.P.; Graciosa, J.C.A.; Violanda, R.R.; Diola, A.G.; Dy, D.T.; Otadoy, R.E.S.. An object-based workflow developed to extract aquaculture ponds from airborne LiDAR data: A test case in central Visayas, Philippines. International Archives of the Photogrammetry Remote Sensing and Spatial Information Sciences ISPRS Archives. 2016, https://doi.org/10.5194/isprsarchives-XLI-B8-1147-2016.

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