Gay Jane P. Perez, Ph.D.
Professor 3
Contact(s): gperez@iesm.upd.edu.ph or gay.perez@gmail.com or gpperez1@up.edu.ph
Educ. Background:
Postdoctoral Fellow, NASA GSFC Hydrospheric and Biospheric Sciences Laboratory
Ph.D. in Physics, University of the Philippines (2009)
M.S. Physics, University of the Philippines (2005)
B.S. Applied Physics (2003)
Head: Predictions for Environment and Application of Remote Sensing Laboratory

Interests & Research ProjectsCourses Teaching & Other InformationPublicationConferences

Interests:

  • Satellite Remote Sensing of the Environment
  • Climate Data Assimilation
  • Climate Change and Variability
  • Complex Systems
  • Interdisciplinary Applications of Physics

Research Projects:

  • PHL-Microsat Project 5: Remote Sensing Product Development
  • Coral Reef Visualization and Assessment, CoRVA-9
  • Philippine Coral Reef and Mangrove Remote Sensing, PhilCoMaRS
  • Site Suitability Assessment for Mussel

Courses Teaching:

  • Env. Sci. 1 (Environment and Society)
  • Env. Sci. 265.1 (Remote Sensing Techniques)
  • Env. Sci. 271.1 (Photonic Techniques)
  • Env. Sci. 265 (Applications of Remote Sensing to Environmental Science)
  • Env. Sci. 271 (Principle of Photonic Techniques for Environmental Science)
  • Env. Sci. 297 (Special Topics in Environmental Science)
  • Env. Sci. 299 (Independent Master’s Study)
  • Env. Sci. 399 (Independent Doctoral Study)
  • Meteo 204 (Tropical Meteorology)
  • Meteo 211 (Climatology)
  • Meteo 212 (Climate Monitoring and Prediction)
  • Meteo 213 (Agrometeorology)
  • Meteo 221 (Physical Meteorology)
  • Meteo 222 (Satellite Meteorology)
  • Meteo 223 (Radar Meteorology)
  • Meteo 224 (Air Pollution Meteorology)
  • Meteo 225 (Cloud and Precipitation Physics)
  • Meteo 231 (Dynamic Meteorology)
  • Meteo 232 (Advanced Dynamic Meteorology)
  • Meteo 233 (Geophysical Fluid Dynamics)

Other Relevant Information:

  • DOST-ASTHRDP Postdoctoral Fellowship (May 2010)
  • DOST-PCASTRD Outstanding Dissertation in Advanced S&T – Physics (2009)
  • Dean’s medallion for excellence in PhD studies (2009)
  • Most Outstanding PhD graduate in Physics (2009)
  • University of the Philippines Presidential Scholarship (2005-2009)

RECENT PUBLICATION:

  1. Algodon, M., Takahashi, Y., Sato, M., Kubota, H., Ishida, T., Yamashita, K., Castro, E., Perez, G. J., Marciano, J. J., Matsumoto, J., Hamada, J., Tsuboki, K., and Yamada, H. (2021) 3D Reconstruction of Typhoon and Thunderstorm Cloud Top Using Airborne Camera , EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-14160, https://doi.org/10.5194/egusphere-egu21-14160, 2021.
  2. Takahashi, Y., Sato, M., Kubota, H., Ishida, T., Castro, E., Algodon, M., Perez, G., and Marciano, J. (2021) Coordinated observation system for extreme weathers consisting of AWS network with lightning sensor and micro-satellites, EGU General Assembly 2021, online, 19–30 Apr 2021, EGU21-14649, https://doi.org/10.5194/egusphere-egu21-14649, 2021.
  3. Perez, G. J., Comiso, J. C., Aragones, L. V., Merida, H. C., & Ong, P. S. (2020). Reforestation and Deforestation in Northern Luzon, Philippines: Critical Issues as Observed from Space. Forests, 11(10), 1071. doi:10.3390/f11101071
  4. Castro, E., Ishida, T., Takahashi, Y. , Kubota, H., Perez, G.J., Marciano, J. (2020) Determination of Cloud-top Height through Three-dimensional Cloud Reconstruction using DIWATA-1 Data. Sci Rep 10, 7570 (2020). https://doi.org/10.1038/s41598-020-64274-z
  5. Veloria, A.I., Perez, G.J., and Tapang, G.A. Spatio-temporal validation of interpolated rainfall measurements from Philippine synoptic stations. Pisika. 1(1).
  6. Ishida, T., Kurihara, J., Viray, F.A., Namuco, S.B., Paringit, E.C., Perez, G.J., Takahashi, Y., & Marciano, J. J..A novel approach for vegetation classification using UAV-based hyperspectral imaging. Computers and Electronics in Agriculture. 144. 80-85
  7. Comiso, J.C., Gersten, R.A., Stock, L.V., Turner, J., Perez, G.J., and Cho, K. (2017) “Positive Trend in the Antarctic Sea Ice Cover and Associated Changes in Surface Temperature,” Journal of Climate 30, 2251-2267 (ISI)
  8. Perez, G.J., Macapagal, M., Olivares, R.O. Macapagal, E.M.R., Comiso, J.C. (2016) “Forecasting and monitoring agricultural drought in the Philippines,” International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences – ISPRS Archives 41, pp. 1263-1269
  9. Faelga, R.A.G., Paringit, E.C., Perez, G.J., Ibanez, C.A.G., Argamosa, R., Posilero, M.A.V., Tandoc, F.A.M., Malabanan, M.V. (2016) “Mangrove plantation forest assessment using structural attributes derived from LiDAR data,” International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences – ISPRS Archives 41, pp. 617-623
  10. Faelga, R.A.G., Paringit, E.C., Perez, G.J., Argamosa, R.J.L., Ibanez, C.A.G., Posilero, M.A.V., Tandoc, F.A.M., Zaragosa, G.P. (2016) “Validation of the separability measure for Rhizophoraceae and Avicenniaceae using point density distribution from LiDAR,” Proceedings of SPIE – The International Society for Optical Engineering 9879,98791F
  11. Fallarcuna, B. and Perez, G.J.,  (2016) “Forest cover dynamics in the Philippines from Landsat-derived forest cover dataset (2000-2012),” Journal of the Philippine Geosciences and Remote Sensing Society Voume 2
  12. Faelga, R.A.G., Paringit, E.C., Perez, G.J., Argamosa, R.J.L., Ibanez, C.A.G., Posilero, M.A.V., Tandoc, F.A.M., Zaragosa, G.P. (2016) “Separability and Variability of Rhizophoraceae and Avicenniaceae in Natural Mangrove Forest Using Point Density Distribution from Lidar Data,” Journal of the Philippine Geosciences and Remote Sensing Society Volume 2
  13. Comiso, J.C., Perez, G.J., and Stock, L.V. (2015) “Enhanced Pacific Ocean Sea Surface Temperature and Its Relation to Typhoon Haiyan,” Journal of Environmental Science and Management Vol. 18 No. 1 (ISI)
  14. Saloma, C., Perez, G.J., Gavile, C.A., Ick-Joson, J.J., and Palmes-Saloma, C. (2015) “Prior individual training and self-organized queuing during group emergency escape of mice from water pool,” PLOS ONE DOI:10.1371/journal.pone.0118508 (ISI)
  15. Perez, G.J. and Comiso, J.C. (2015) “Monitoring Philippine Vegetation Using Satellite NDVI and VI Data,” Journal of the Philippine Geosciences and Remote Sensing Society Volume 1
  16. Macapagal, M.D. and Perez, G.J. (2015) “Detection of agricultural drought events in the Philippines using MODIS land products,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  17. Fallarcuna, B. and Perez, G.J. (2015) “Quantifying forest cover changes in the Philippines from 2000-2012 from Landsat-derived global forest cover dataset,” ACRS 2015 –36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  18. Macam, G.M., and Perez, G.J. (2015) “Evaluating the potential of downscaled CFSV2 for drought forecasting using MODIS and TRMM observations,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  19. Leonardo, E.M.C., and Perez, G.J. (2015) “Predicting abundance of different tuna species in the Philippines,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  20. Macapagal, E.M.R., and Perez, G.J. (2015) “Evaluation of Soil Moisture Estimates Derived from the Advanced Microwave Scanning Radiometer 2 (AMSR2) in the Philippines,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  21. Olivares, R.O., Macapagal, M., and Perez, G.J. (2015) “Extreme value analysis of evaporative stress index as input to assess agricultural drought risk in the Philippines,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  22. Pangasinan, J., Felix, M.J., and Perez, G.J. (2015) “Performance of empirical Cl-a derivation algorithms on the coastal waters of Bagac and Polillo,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  23. Badrina, R.B., Combinido, J.S., and Perez, G.J. (2015) “Impact of land use change on weather research and forecasting (WRF) output: A case study for the Philippines,” ACRS 2015 – 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  24. Felix, M.J., Pangasinan, J., and Perez, G.J. (2015) “Estimation of chlorophyll-a concentration on oligotrophic open waters of the Philippines: A case study for Polillo,” ACRS 2015– 36 th Asian Conference on Remote Sensing: Fostering Resilient Growth in Asia
  25. Perez, G.J., and Comiso, J.C. (2014) “Seasonal and Interannual Variability of Philippine Vegetation as Seen from Space,” Philippine Journal of Science Vol. 143 No. 2 pp. 147-155 (ISI)
  26. Dela Torre, D.M., and Perez, G.J. (2014) “Phenology-based classification of major crops areas in Central Luzon, Philippines from 2001-2013,” 35th Asian Conference on Remote Sensing 2014, ACRS 2014: Sensing for Reintegration of Societies
  27. Punay, J.P., and Perez, G.J. (2014) “Evaluation of MODIS Cloud Product-derived rainfall estimates,” 35th Asian Conference on Remote Sensing 2014, ACRS 2014: Sensing for Reintegration of Societies
  28. Macapagal, E.M., and Perez, G.J. (2013) “Soil moisture studies in the Philippines using AMSR-E/AMSR2,” 34th Asian Conference on Remote Sensing 2013, ACRS 2013 4, pp. 3322-3329
  29. Punay, J., and Perez, G.J. (2013) “Rainfall retrieval algorithm using MODIS cloud mask and cloud products,” 34th Asian Conference on Remote Sensing 2013, ACRS 2013 2, pp. 1494-1500 2000 – 2010
  30. Perez, G.J., and Saloma, C. (2013) “Allelomimesis as escape strategy of pedestrians in two-exit confinements,” Physica A 388 2469-2475 (2009, ISI)
  31. Saloma, C. and Perez, G.J.(2013) “Herding in real escape panic,” PED 2005 – Proceedings of the 3rd International Conference on Pedestrian and Evacuation Dynamics, pp. 453-461 Springer (2006)
  32. Saloma, C., Perez, G.J., Lim, M., Tapang, G., and PalmesSaloma, C. (2013) “Selforganized queueing and scalefree behavior in real escape panic,” Natl. Acad. Sci. USA 100, pp. 1194711952 (2003, ISI)
  33. Perez, G.J., Tapang, G., Lim, M., and Saloma, C. (2013) “Streaming, disruptive interference, and powerlaw behavior in the exit dynamics of confined pedestrians,” Physica A 312/34 pp 609618 (2002, ISI)

CONFERENCES

  • American Geophysical Union (AGU) Fall Meeting, San Francisco, California, USA 2011 Poster presentation: “The Changing Philippine Vegetation and Associated Impacts of Temperature and Precipitation” by GJ Perez and JC Comiso
  • NASA Carbon Cycle and Ecosystem Joint Science Workshop 2011 Alexandria, Virginia, USA Poster presentation: “Monitoring Changes in Philippine Vegetation Cover from 2000 to 2011” by GJ Perez and JC Comiso
  • AMSR-E Science Team Meeting, Asheville, North Carolina, USA
  • American Geophysical Union (AGU) Chapman Conference on Climates 2011 Past Landscapes and Civilizations, Santa Fe, New Mexico, USA Poster presentation: “The Changing Philippine Vegetation Cover and Climate as Observed from Space ” by GJ Perez and JC Comiso
  • Hands-on Research on Complex Systems, Institute for Plasma Research 2008 Ganhinagar, Gujarat, India Oral presentation: “Herding behavior in Real escape panic” by GJ Perez and C Saloma