Cherry L. Ringor, Ph.D.
Professor 8
Contact(s): or
Educ. Background:
Ph.D. Earth Science, Kanazawa University, Japan (2004)
M.S. Geology, University of the Philippines-Diliman (2000)
B.S. Geology, University of the Philippines-Diliman (1995)
Head: Earth Surface Materials and Processes Laboratory

Courses Handled, Interests & ProjectsPublication

Courses Handled:

  • Env Sci 1
  • Env Sci 201
  • Env Sci 232.1
  • Env Sci 241
  • Env Sci 296
  • Env Sci 297
  • Env Sci 299
  • Env Sci 399


  • Sedimentology
  • coastal morphology
  • marine geology
  • U-Th dating of corals by alpha spectrometry
  • Last Interglacial sea level and temperature changes
  • fullerene nanotubes

Research Projects:

  • Portable Potable Water Equipment for Disasters and Emergencies Project (PWEDE)
    Project Leader
    Duration: January 2018-April 2019
    Funding Agency: TECHNICOM TAPI-DOST
  • LIDAR Data Processing & Validation in Luzon: CAR and Selected Sites in Region 1
    Project Staff L3
    Duration: June 2014 – December 2016
    Funding Agency: Philippine Council for Industry, Energy and Emerging Technology Research and Development – Department of Science and Technology (PCIEERD-DOST)
  • Coastal Stability (Coral Reef Visualization and Assessment Program)
    Project Leader
    Duration: January 2014 – July 2015
    Funding Agency: Department of Environment and Natural Resources (DENR)
  • Acquisition of Detailed Bathymetry for Coastal Erosion Management
    Project Staff L3
    Duration: March 2012 – June 2015
    Philippine Council for Agriculture, Aquatic and Natural Resources Research and
    Development-DOST (PCAARD-DOST)
  • Synthesis, Morphology and Chemical Modifications of Fullerene-Based Nanomaterials for Nano-engineered Structural Materials and Optoelectronic Applications
    Project Leader
    Duration: February 2014 – February 2015
    Funding Agency: PCIEERD-DOST
  • Reconstructing Historical Flood Events from Massive Corals
    Project Leader
    Duration: January – December 2012
    Funding Agency: Natural Sciences Research Institute, UP-Diliman (NSRI-UPD)
  • Coral Assemblages in Modern and Uplifted Reef Terraces from Pamilacan Island, Bohol
    Project Leader
    Duration: January – December 2011
    Funding Agency: NSRI-UPD
  • Fullerene Nanowhisker/Nanotube – Polyaniline Nanocomposite
    Project Leader
    Duration: November 2010 – November 2011
    Funding Agency: Office of the Vice Chancellor for Research and Development, UP-Diliman (OVCRD-UPD)
  • Sea Surface Temperature Variability During High Sealevel Stands Recorded By Porites
    Corals From Bohol, Philippines
    Project Leader
    Duration: January – December 2010
    Funding Agency: NSRI-UPD Retrospective Analyses of Climate Change from Coastal Erosion Trend and Uplifted Coral
  • Reef Assemblages
    Project Staff L3
    Duration: January 2009 – January 2011
    Funding Agency: PCAARD-DOST


  1. Fiegalan, F. T., Ringor, C. L. and Moya, T. B. 2022. Modeling the Dynamics of Soil Organic Matter Accumulation from Leaf Litterfall as Affected by Tillage Practices in Mango Orchard. The Philippine Agricultural Scientist, 105(1), 23-34.
  2. Fiegalan, F.T., Ringor, C.L., and Moya, T.B. Incorporation of Rice Residues Through Tillage Enhances Soil Organic Matter Accumulation in Rice Land. Philippine Journal of Science 149 (4):1039-1048, December 2020.
  3. Cherry L. Ringor, Katherine M. Calamba, Chelo S. Pascua, Kun’ichi Miyazawa (2019). Morphological Controls of Fullerene Nanowhiskers and Nanotubes. In Kun’ichi Miyazawa, Yuichi Ochiai, Masaru Tachibana, Tokushi Kizuka, Shigeo Nakamura Eds. Fullerene Nanowhiskers, 2nd Edition Pan Stanford, 326 pp.
  4. Cajucom, E.P., Chao, G.Y., Constantino, G.A., Ejares, J.A., Quillope, S.J.G., Solomon, H.M., and Ringor, C.L. (2019). Evaluation of the spatial distribution of evacuation centers in Metro Manila, Philippines. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences – ISPRS Archives, 42 (3/W8), Pages 79-85.
  5. Villanueva, J.C.B., Ringor, C.L., Pascua, C.S., and Miyazawa, K. (2019). Size, structure, and conductivity of plant oil-derived carbon nanospheres synthesized by atmospheric ionization CVD. Materials Chemistry and Physics, 225, Pages 84-90.
  6. Ringor, C. L., Pascua, C. S., Villanueva, J. C. B., Garcia, A. K. H., Agulo, I. J. A., Matsushita, Y., and Miyazawa, K. I. (2017). Multiwalled Carbon Nanofibers and Nanocapsules Synthesized from Plant Oil via Atmospheric CVD Process. Journal of Nanoscience and Nanotechnology17(5), 3543–3550. doi: 10.1166/jnn.2017.13030
  7. Espaldon, M., Aragones, L., Muallil, R., Cayetano, M., Cabrera, O., Perez, G., Ringor, C., and Moya, T. (2017). Baselining, Yardstick, and Agenda Setting for Philippine Research Agenda in Environmental Science.
  8. Fernan T. Fiegalan, Cherry L. Ringor, Tolentino B. Moya (2017). Collembola Inoculation in Soil Incorporated Mango Leaf Litter Enhances Decomposition for Organic Matter Building and Nutrient Banking, International Journal of Science and Research, IJSR Archive Volume 6 Issue 10 October 2017.
  9. Ringor, C., and Siringan, F. (2016) Net Sediment Transport in Pampanga Bay, Northwestern Manila Bay Derived from Grain Size Trends, Bathymetric Change, and Landsat Data. The Philippine Agricultural Scientist, 99(1), 68-79.
  10. CalambaK., Ringor, C., Pascua, C., and Miyazawa, K. (2015) Pleated Surface Morphology of C60 Fullerene Nanowhiskers Incorporated by Polyaniline in N-Methyl-2-Pyrrolidone. Fullerenes, Nanotubes and Carbon Nanostructures, 23(8), 709-714. DOI: 10.1080/1536383X.2014.971118
  11. Ringor, C.L., and Miyazawa, K. (2009) Fabrication of solution grown C60 fullerene nanotubes with tunable diameter. Journal of Nanoscience and Nanotechnology, 9(11), 6560-6564.
  12. Kitazawa, H., Hashi, K., Wuernisha, T., HottaK., Ringor, C.L., Furubayashi, T., Goto, A., Shimizu, T., and Miyazawa, K. (2009) Molecular dynamics and structural phase transition in C60 nanowhiskers. Journal of Physics: Conference Series, 159: 012022.
  13. Miyazawa, K., Cha, S., Ringor, C., Okuda, J., Taniguchi, A., Watanabe, M., Tachibana, M., and Minato, J. (2008) Synthesis of fullerene nanotubes and microtubes for materials storage, delivery and recovery. NANO: Brief Reports and Reviews 3(5), 335–339.2008. Cherry L. Ringor and Kun’ichi Miyazawa. High yield preparation of fullerene nanowhiskers and nanotubes by the solution route. NANO: Brief Reports and Reviews 3(5), 329–333.
  14. Ringor, C.L. and Miyazawa, K. (2008) Synthesis of C60 nanotubes by liquid-liquid interfacial precipitation method: influence of solvent ratio, growth temperature, and light illumination. Diamond and Related Materials 17, 529-534.
  15. Xu, M., Pathak, Y., Fujita, D., Ringor, C., and Miyazawa, K. (2008) Covered conduction of individual C60 nanowhiskers. Nanotechnology 19(7), 075712.
  16. Miyazawa, K., and Ringor, C. (2008) Platinum chloride deposition into C60 nanotubes. Materials Letters 62, 410-413.
  17. Miyazawa, K., RingorC., Nakamura, K., Tachibana, M., Saito, K., Kizuka, T. (2008) Structural Analysis of C60 Nanotubes Heat-Treated in Vacuum, IEEJ Transactions on Sensors and Micromachines (2008), 128(98), 317-320, Online ISSN 1347-5525, Print ISSN 1341-8939,
  18. Cherry L. Ringor and Kun’ichi Miyazawa. High yield preparation of fullerene nanowhiskers and nanotubes by the solution route. NANO: Brief Reports and Reviews 3(5), 329–333.
  19. Ringor, C., Miyazawa, K., and Awane, T. (2007) Synthesis of C60 fullerene nanotubes by the liquid-liquid interfacial precipitation method. Transactions of the Materials Research Society of Japan 32(4), 1011-1014.
  20. Miyazawa, K., Saito, K., Ringor, C., and Kizuka, T. (2007) Ultrasonic pulverization of fullerene nanofibers. Transactions of the Materials Research Society of Japan 32(4), 1007-1011.
  21. Ringor, C.L., Omura, A., and Maeda, Y. (2004) Last Interglacial Sea Level Changes Deduced from Coral Reef Terraces in Southwest Bohol, Central Philippines. The Quaternary Research 43(6), 401-416.
  22. Siringan, F.P., and Ringor, C.L. (1998) Changes in Bathymetry and Their Implications to Sediment Dispersal and Sedimentation Rates in Manila Bay. Science Diliman, 10(2), 12-26.
  23. Siringan, F.P., and Ringor, C.L. (1997) Predominant Nearshore Sediment Dispersal Patterns in Manila Bay. Science Diliman, 9(1 & 2), 29-40.
  24. Siringan, F.P., and Ringor, C.L. (1996) Changes in the Position of the Zambales Shoreline Before and After the 1991 Mt. Pinatubo Eruption: Controls of Shoreline Change.  Science Diliman, 7-8, 1-13.