Search Results - "Edgar Vallar"

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  1. 1

    Chlorophyll-a Pigment Measurement of Spirulina in Algal Growth Monitoring Using Portable Pulsed LED Fluorescence Lidar System by Cadondon, Jumar G, Ong, Prane Mariel B, Vallar, Edgar A, Shiina, Tatsuo, Galvez, Maria Cecilia D

    Published in Sensors (Basel, Switzerland) (12-04-2022)
    “…Chlorophyll-a measurement is important in algal growth and water quality monitoring in natural waters. A portable pulsed LED fluorescence lidar system based on…”
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    Journal Article
  2. 2

    Investigating the Effect of Urbanization on Weather Using the Weather Research and Forecasting (WRF) Model: A Case of Metro Manila, Philippines by Jervie M. Oliveros, Edgar A. Vallar, Maria Cecilia D. Galvez

    Published in Environments (Basel, Switzerland) (01-02-2019)
    “…The effect of urbanization of Metro Manila, particularly on the amount of sensible heat flux, rainfall and temperature of selected urban and rural areas, was…”
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  3. 3

    The observations of localize ionospheric scintillation structure by FORMOSAT-7/COSMIC-2 Tri-band Beacon network by Hsiao, Tung Yuan, Huang, Cheng-yung, Yeh, Wen-Hao, Tseng, Tzu-Pang, Chen, Kun-Lin, Macalalad, Ernest P., Vallar, Edgar A., Galvez, Maria Cecilia D.

    “…The preliminary results of FORMOSAT-7/COSMIC-2 beacon data are presented in this paper, and the localized scintillation structure where the radio signals are…”
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  4. 4

    Spatiotemporal Analysis of MODIS Aerosol Optical Depth Data in the Philippines from 2010 to 2020 by Caido, Nadine Grace, Ong, Prane Mariel, Rempillo, Ofelia, Galvez, Maria Cecilia, Vallar, Edgar

    Published in Atmosphere (01-06-2022)
    “…Satellite remote sensing for air quality assessment provides information over a large spatial coverage and time period that shows the trends and effects of…”
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  6. 6

    Heavy Metal Pollution in Soil and Surface Sediments of Meycauayan River, Philippines and Their Relationship to Environmental Indicators by Diwa, Reymar R., Deocaris, Custer C., Orbecido, Aileen H., Beltran, Arnel B., Vallar, Edgar A., Galvez, Maria Cecilia D, Belo, Lawrence P.

    Published in Soil & sediment contamination (17-11-2023)
    “…The City of Meycauayan is an industrial powerhouse in the Philippines. It is considered as one of the most polluted cities in the developing world on the…”
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  7. 7

    Real-Time Chlorophyll-a Pigment Monitoring of Chlamydomonas reinhardtii in a Controlled Environment Using Pulsed LED Fluorescence LiDAR System by Cadondon, Jumar G., Vallar, Edgar A., Shiina, Tatsuo, Galvez, Maria Cecilia D.

    Published in Photonics (01-02-2023)
    “…The real-time chlorophyll-a pigment monitoring of C. reinhardtii is studied using our developed LED fluorescence light detection and ranging (LiDAR) system. It…”
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  8. 8

    Algal Organic Matter Fluorescence Analysis of Chlorella sp. for Biomass Estimation by Jumar Cadondon, James Roy Lesidan, Jejomar Bulan, Edgar Vallar, Tatsuo Shiina, Maria Cecilia Galvez

    Published in Engineering proceedings (01-11-2023)
    “…Algal Organic Matter (AOM) is derived from the dissolved organic matter composition of the algal species being observed. In this study, excitation–emission…”
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  9. 9

    Characterization of Porcine Skin Using a Portable Time-Domain Optical Coherence Tomography System by Maria Cecilia Galvez, Jumar Cadondon, Paulito Mandia, Ernest Macalalad, Edgar Vallar, Tatsuo Shiina

    Published in Engineering proceedings (01-11-2023)
    “…Optical coherence tomography (OCT) is an imaging tool used to visualize the cross-section of a sample. Additionally, this device can measure the sample’s…”
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  10. 10

    Transmittance Properties of Healthy and Infected Coffee Robusta Leaves with Coffee Leaf Miner (CLM) Pests by Jejomar Bulan, Jumar Cadondon, James Roy Lesidan, Edgar Vallar, Maria Cecilia Galvez

    Published in Engineering proceedings (01-10-2023)
    “…Coffee Robusta (Coffea canephora) increased its total production by 73.5% during the first quarter of 2023. In this study, twenty (20) samples each of healthy…”
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  11. 11

    Black carbon and PM0.49 characterization in manila north harbour port, Metro Manila, Philippines by Cadondon, Jumar, Caido, Nadine Grace, Galvez, Maria Cecilia, Rempillo, Ofelia, Esmeria, Jose, Vallar, Edgar

    Published in Environmental advances (01-07-2024)
    “…Globalization and industrialization have increased the shipping activities in Metro Manila. This increase in economic activity has contributed to the…”
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  12. 12

    Application of the WRF/Chem v.3.6.1 on the reanalysis of criteria pollutants over Metro Manila by Garcia, Jacob Alberto, Vallar, Edgar, Galvez, Maria Cecilia, Bagtasa, Gerry

    Published in Sustainable environment research (17-12-2019)
    “…Metro Manila, Philippines and other urban areas have reached internationally known unacceptable levels of pollution where about 80% can be attributed to…”
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  13. 13

    Aerosol Particle and Black Carbon Emission Factors of Vehicular Fleet in Manila, Philippines by Madueño, Leizel, Kecorius, Simonas, Birmili, Wolfram, Müller, Thomas, Simpas, James, Vallar, Edgar, Galvez, Maria Cecilia, Cayetano, Mylene, Wiedensohler, Alfred

    Published in Atmosphere (01-10-2019)
    “…Poor air quality has been identified as one of the main risks to human health, especially in developing regions, where the information on physical chemical…”
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  14. 14

    Elemental distribution and source analysis of atmospheric aerosols from Meycauayan, Bulacan, Philippines by Cadondon, Jumar, Vallar, Edgar, Roque, Floro Junior, Rempillo, Ofelia, Mandia, Paulito, Orbecido, Aileen, Beltran, Arnel, Deocaris, Custer, Morris, Vernon, Belo, Lawrence, Galvez, Maria Cecilia

    Published in Heliyon (01-09-2023)
    “…One of the industrialized cities in the Philippines is Meycauayan, Bulacan. This study reports the elemental distribution and source apportionment in eight…”
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  15. 15

    Time-Domain Optical Coherence Tomography System for Determining The Extinction Coefficient and Group Refractive Index of Gelatin-based Skin Phantoms by Galvez, Maria Cecilia, Vallar, Edgar, Shiina, Tatsuo, Macalalad, Ernest, Mandia, Paulito

    Published in Science & technology Indonesia (01-10-2021)
    “…Optical Coherence Tomography (OCT) is a non-invasive, non-destructive optical imaging technique that uses a low coherence interferometer to obtain real-time…”
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  16. 16

    Activity Pattern of School/University Tenants and their Family Members in Metro Manila - Philippines by Kecorius, Simonas, Tamayo, Everlyn Gayle, Galvez, Maria Cecilia, Madueño, Leizel, Betito, Grace, Gonzaga-Cayetano, Mylene, Vallar, Edgar, Wiedensohler, Alfred

    Published in Aerosol and Air Quality Research (01-09-2018)
    “…Existing studies that focus on personal exposure to or the deposition dose of particulate pollution in developing regions are limited. Hence, in this study, as…”
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  17. 17

    Genotoxicity of PM2.5 and PM1.0 Particulates on Human Peripheral Blood Lymphocytes in Manila, Philippines by Estonilo, Ma. Katrina Gale, Cazeñas, Joedith Anne, Villafuerte, Carlos Josef, Deocaris, Custer, Caraos, Gloriamaris, Robles, Gerardo Jose, Galvez, Maria Cecilia, Asaad, Celia, Vallar, Edgar

    Published in Atmosphere (01-01-2022)
    “…Urban air quality is increasingly being studied as a fraction of the world’s population is living in megacities. In this study, particulate matter (PM) along…”
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  18. 18

    Primary education in Vietnam and pupil online engagement by Nguyen, Quynh Thi, Naguib, Raouf N.G, Das, Ashish K, Papathomas, Michail, Vallar, Edgar A, Wickramasinghe, Nilmini, Santos, Gil Nonato, Galvez, Maria Cecilia, Nguyen, Viet Anh

    “…Purpose The purpose of this paper is to explore the disparities in social awareness and use of the internet between urban and rural school children in the…”
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  19. 19

    Experimental detection of marine plastic litter in surface waters by 405 nm LD-based fluorescence lidar by Cadondon, Jumar, Vallar, Edgar, Shiina, Tatsuo, Galvez, Maria Cecilia

    Published in Marine pollution bulletin (01-10-2024)
    “…Plastic pollution has become a global challenge, affecting water quality and health. Plastics including polystyrene (PS), polyvinyl chloride (PVC),…”
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  20. 20

    In-cloud variability of LIDAR depolarization of polar and midlatitude cirrus by Del Guasta, Massimo, Vallar, Edgar

    Published in Geophysical research letters (01-06-2003)
    “…LIDAR depolarization is commonly used for discriminating liquid and ice particles. Since depolarization depends in a complicated manner on particle shape and…”
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