A Framework for the Development of Digital Spatial Weights using Social Media Data: Methodological Foundation and Initial Analysis

Elazegui, Erica Erin E.; Blanco, Ariel C.; Carcellar III, Bienvenido G.

doi:10.5194/isprs-annals-X-5-W4-2025-229-2026

Change Detection of Invasive Swietenia macrophylla (Mahogany) in Bohol Man-Made Forest from 2013-2023 Through Vegetation and Soil Spectral Indices Using Landsat 8 in Google Earth Engine

Mark James J. Broqueza, Benedick G. Agamao, Chelsea L. Gadrinab, Hannah Maeh Porlares, and Erica Erin E. Elazegui

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 97–104, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-97-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-97-2026, 2026

Semi-Supervised Graph Transformer Neural Network for Illegal Dumping Detection in CALABARZON Using Remote Sensing and Multivariate Time-Series Data

Mark James J. Broqueza, Nathaniel V. Navoa, and Bienvenido G. Carcellar III

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 105–112, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-105-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-105-2026, 2026

Spatiotemporal Analysis of Traffic Accidents and Traffic Congestion Along Commonwealth Avenue Using Crowdsourced Waze Traffic Data

Simon Reinier D. Castro, Clairess Anne C. Tadle, and Bienvenido G. Carcellar III

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 165–172, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-165-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-165-2026, 2026

Spatial and Socioeconomic Drivers of Land Use Change in High-Density Residential Areas (R-3) in Quezon City: A Predictive Simulation Using the Cellular Automata-Markov Chain Model

Winnie Rose S. Dario, Ranielle Adelaine D. David, Erica Erin E. Elazegui, and Alexis Richard C. Claridades

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 205–212, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-205-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-205-2026, 2026

Assessment of Metro Manila Urban Parks’ Cooling Effect Based on Landscape Metrics Using Threshold Value of Efficiency (TVoE) Approach

Joem C. Guadalupe, Jose Daniel G. Gorospe, Erica Erin E. Elazegui, and Jennieveive B. Babaan-Mabaquiao

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 285–292, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-285-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-285-2026, 2026

Development and Application of Coconut Vegetation Indices (CVIs) for Rapid and Accurate Coconut Mapping Using Sentinel-2 Images: A Case Study of Quezon Province, Philippines

John Erick J. Malangis, Ariel C. Blanco, and Ayin M. Tamondong

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 323–330, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-323-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-323-2026, 2026

Post-Disaster Building Damage Assessment Using 3D Surface Models Derived from Unmanned Aerial Vehicle (UAV) Imagery

Alyssa Patricia J. Manzano and Ariel C. Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 331–337, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-331-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-331-2026, 2026

Delineation and Extraction of Information on Farm-to-Market Roads (FMR) using Very High-Resolution (VHR) Satellite Image

Ainalyn A. Nerves, Andrei Miguel P. Piano, Annie Lyn S. Arias, Arlo Jayson C. Sabuito, and Ariel C. Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 347–352, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-347-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-347-2026, 2026

Analyzing Economic Spatial Patterns of the Metro Manila Urban Agglomeration using Nighttime Light Data

Christon Ledge S. Paliza, Krystel Joy S. Swin, Erica Erin E. Elazegui, and Alexis Richard C. Claridades

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 361–368, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-361-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-361-2026, 2026

Analyzing Urban Agglomeration Patterns and Economic Development in Metro Manila using Social Network Analysis

Krystel Joy S. Swin, Christon Ledge S. Paliza, Erica Erin E. Elazegui, and Richard C. Claridades

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-W4-2025, 409–416, https://doi.org/10.5194/isprs-annals-X-5-W4-2025-409-2026,https://doi.org/10.5194/isprs-annals-X-5-W4-2025-409-2026, 2026

Advancing Blue Carbon Knowledge: Leveraging Geomatics for Capacity Building through the BlueCARES Project

Kayziel Martinez, Ariel Blanco, Ayin Tamondong, Christian Candido, and Kazuo Nadaoka

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-5-2024, 55–60, https://doi.org/10.5194/isprs-archives-XLVIII-5-2024-55-2024,https://doi.org/10.5194/isprs-archives-XLVIII-5-2024-55-2024, 2024

DRONES4BLUECARBONSEAGRASS: A Capacity-Building Program for Mapping Seagrasses using Unmanned Aerial System (UAS) Technology in the Philippines

Christian Candido, Ariel Blanco, Ayin Tamondong, Kayziel Martinez, and Kazuo Nadaoka

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 9–15, https://doi.org/10.5194/isprs-annals-X-5-2024-9-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-9-2024, 2024

Shoreline Change Analysis in New Washington, Aklan using Digital Shoreline Analysis System (DSAS)

Ainalyn Nerves, Francesca Deighl Rivera, Ariel Blanco, Yasmin Tirol, and Kazuo Nadaoka

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 111–117, https://doi.org/10.5194/isprs-annals-X-5-2024-111-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-111-2024, 2024

Increasing the Awareness of the Benefits of Earth Observation Applications through the Space Information Infrastructure Capacity Building and Training Program (SIICaP)

Cyrus Nikko Pante, Kristine Bantay, Noel Jerome Borlongan, John Paul Almonte, Romer Kristi Aranas, and Ariel Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 127–133, https://doi.org/10.5194/isprs-annals-X-5-2024-127-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-127-2024, 2024

Enhancing Government Capacity for Air Quality Management in the Philippines through Geospatial Technologies: A Case of Project AiRMoVE

Roseanne Ramos, Ayin Tamondong, Rodyvito Angelo Torres, Bernadette Anne Recto, Katelene Panlilio, Raymund Rhommel Sta. Ana, Maria Louella Tinio, Teodora Yumul-Calzado, Bienvenido Carcellar III, and Mylene Cayetano

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 151–158, https://doi.org/10.5194/isprs-annals-X-5-2024-151-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-151-2024, 2024

Coral Bleaching Detection Using PRISMA Hyperspectral Satellite Imagery in Calatagan, Batangas

Francesca Deighl Rivera, Ginell Elyza Buenavista, Ayin Tamondong, and Ariel Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 165–172, https://doi.org/10.5194/isprs-annals-X-5-2024-165-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-165-2024, 2024

Towards Nationwide Mapping of Seagrasses in the Philippines: Empowering Students through Remote Sensing Education

Ayin Tamondong, Ariel Blanco, Kayziel Martinez, Christian Candido, and Kazuo Nadaoka

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 205–211, https://doi.org/10.5194/isprs-annals-X-5-2024-205-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-205-2024, 2024

Optimization of Space Data Development and Distribution and Capacity Building in the Philippines through the PhilSA Integrated Network for Space Enabled Actions towards Sustainability (PINAS) Project

Princess Angela Young, Ariel Blanco, and Jamaica Pangasinan

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 235–242, https://doi.org/10.5194/isprs-annals-X-5-2024-235-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-235-2024, 2024

Validating The Philippine Mangrove Map 2023 through Capacity Building and Crowdsourcing

Cristan Dave Chan Zablan, Kristine Muarip Bantay, Ariel C. Blanco, Agatha Maxine Bedi, Dominic Cabanlit Fargas Jr., and Christian Gumbao Candido

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-5-2024, 243–250, https://doi.org/10.5194/isprs-annals-X-5-2024-243-2024,https://doi.org/10.5194/isprs-annals-X-5-2024-243-2024, 2024

TOWARD SPATIAL AND SOCIAL EQUALITY: INVESTIGATING AND MODELING THE LINK BETWEEN OPPORTUNITY AND URBAN INTENSITY IN METRO MANILA, PHILIPPINES

M. A. B. Ensina, J. P. Tabernilla, B. G. Carcellar III, and M. S. M. Martinez

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 211–218, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-211-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-211-2024, 2024

SPACE+ DATA DASHBOARD: EMPOWERING INSTITUTIONS AND CITIZENS WITH SEAMLESS SPACE DATA ACCESS

D. C. Fargas Jr., R. M. de la Cruz, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 219–225, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-219-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-219-2024, 2024

ENHANCEMENT OF THE FIELD ASSESSMENT PROTOCOLS AND SUITABILITY MAPS FOR COCONUT

J. T. Francisco, J. D. Casisirano, A. C. Blanco, R. L. Rivera, L. H. Canja, M. D. Francisco, and R. M. Barrientos

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 251–258, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-251-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-251-2024, 2024

SPATIOTEMPORAL ANALYSIS OF VIOLENT CONFLICT AND LAND COVER CHANGE IN LANAO DEL SUR FROM 2011 TO 2020

G. M. C. Geñoso, F. A. Soriano, R. V. Ramos, and B. G. Carcellar III

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 285–292, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-285-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-285-2024, 2024

COMPARATIVE ANALYSIS OF PRISMA HYPERSPECTRAL AND SENTINEL-2 MULTISPECTRAL IMAGES FOR CHLOROPHYLL-A AND TURBIDITY MAPPING OF TAAL LAKE

A. M. Hernando, A. M. Piano, A. C. Blanco, J. M. Medina, and A. Y. Manuel

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 293–299, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-293-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-293-2024, 2024

INTEGRATION OF STUMPF'S RATIO MODEL AND RANDOM FOREST FOR SATELLITE-DERIVED BATHYMETRY ESTIMATION

G. A. M. Narciso, A. M. Tamondong, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 387–393, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-387-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-387-2024, 2024

SUPERVISED IMAGE CLASSIFICATION MODEL FOR CORAL BLEACHING DETECTION USING A BI-TEMPORAL SENTINEL-2 IMAGE STACK

G. A. M. Narciso, A. M. Tamondong, A. C. Blanco, T. Nakamura, and K. Nadaoka

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 395–401, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-395-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-395-2024, 2024

MULTISOURCE AND MULTITEMPORAL LAND COVER MAPPING OF GREATER LUZON ISLAND USING GOOGLE EARTH ENGINE

C. G. Candido, A. C. Blanco, N. J. B. Borlongan, and R. M. de la Cruz

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 93–99, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-93-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-93-2024, 2024

MINDORO OIL SPILL PROGRESS MONITORING USING SATELLITE IMAGERY

R. M. de la Cruz, D. C. D. M. Vergara, J. I. A. Tabardillo, A. J. C. Sabuito, N. J. B. Borlongan, K. M. Bantay, R. R. Diwa, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 157–162, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-157-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-157-2024, 2024

DEVELOPMENT OF METHODOLOGY FOR MONITORING AND ASSESSING THE NATIONAL GREENING PROGRAM USING OPTICAL AND SAR DATA

R. R. Diwa, N. J. B. Borlongan, J. I. A. Tabardillo, A. J. C. Sabuito, C. G. Candido, R. M. de la Cruz, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 175–181, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-175-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-175-2024, 2024

FISHPOND STATUS MAPPING USING RADAR REMOTE SENSING

J. B. L. C. Dumalag, A. C. Blanco, and A. M. Tamondong

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W8-2023, 195–202, https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-195-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W8-2023-195-2024, 2024

MAPPING AND ASSESSMENT OF THE SPATIAL AND TEMPORAL DISTRIBUTION OF TURBIDITY IN LAKE BUHI FROM SENTINEL-2 IMAGES USING GEOGRAPHICALLY WEIGHTED REGRESSION AND NORMALIZED DIFFERENCE TURBIDITY INDEX

K. A. N. Amaro, L. M. G. Cortez, J. M. Medina, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W9-2024, 29–36, https://doi.org/10.5194/isprs-archives-XLVIII-4-W9-2024-29-2024,https://doi.org/10.5194/isprs-archives-XLVIII-4-W9-2024-29-2024, 2024

DEVELOPMENT OF GOOGLE EARTH ENGINE APPLICATION FOR SPATIOTEMPORAL ANALYSIS OF TURBIDITY IN BATAN ESTUARY, AKLAN THROUGH THE HARMONIZATION OF LANDSAT AND SENTINEL-2 IMAGERY

C. D. C. Zablan, A. C. Blanco, Y. H. Primavera-Tirol, and K. Nadaoka

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-W2-2023, 1965–1971, https://doi.org/10.5194/isprs-archives-XLVIII-1-W2-2023-1965-2023,https://doi.org/10.5194/isprs-archives-XLVIII-1-W2-2023-1965-2023, 2023

ESTIMATION OF MANGROVE FRACTIONAL COVER FROM MULTISPECTRAL AND HYPERSPECTRAL DATA USING MIXTURE TUNED MATCHED FILTERING

A. C. Blanco and C. R. Perez

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-1-W2-2023, 1331–1336, https://doi.org/10.5194/isprs-archives-XLVIII-1-W2-2023-1331-2023,https://doi.org/10.5194/isprs-archives-XLVIII-1-W2-2023-1331-2023, 2023

MANILA BAY WATERSHED SCORECARD: A GIS-BASED QUANTITATIVE WATERSHED HEALTH ASSESSMENT

M. B. A. I. Zamora and A. C. Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., X-1-W1-2023, 379–386, https://doi.org/10.5194/isprs-annals-X-1-W1-2023-379-2023,https://doi.org/10.5194/isprs-annals-X-1-W1-2023-379-2023, 2023

SURFACE URBAN HEAT ISLANDS AND RELATED HEALTH RISK IN THE PHILIPPINES: A GEOSPATIAL ASSESSMENT USING MODIS DATA

D. C. D. M. Vergara and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 451–456, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-451-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-451-2023, 2023

ASSESSING AND MODELLING URBAN HEAT ISLAND IN BAGUIO CITY USING LANDSAT IMAGERY AND MACHINE LEARNING

D. C. D. M. Vergara, A. C. Blanco, J. J. S. Marciano Jr., S. F. Meneses III, N. J. B. Borlongan, and A. J. C. Sabuito

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 457–464, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-457-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-457-2023, 2023

DETAILED MAPPING OF RESIDENTIAL LAND USE IN QUEZON CITY USING SENTINEL-2 IMAGERY: AN ANALYSIS OF PIXEL-BASED IMAGE CLASSIFICATION USING SUPPORT VECTOR MACHINE

M. I. D. Mabalot, L. S. Sumera, A. C. Blanco, and B. G. Carcellar

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 201–209, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-201-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-201-2023, 2023

TRANSFORMATION OF THE NORMALIZED DIFFERENCE CHLOROPHYLL INDEX TO RETRIEVE CHLOROPHYLL-A CONCENTRATIONS IN MANILA BAY

A. Manuel and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 217–221, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-217-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-217-2023, 2023

SPATIO-TEMPORAL CHARACTERIZATION OF MANILA BAY USING OPTICAL WATER TYPE AND WATER QUALITY MAPPING USING SENTINEL-3 OLCI IMAGES

J. M. Medina, R. L. Jalbuena, R. A. B. Torres, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 223–230, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-223-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-223-2023, 2023

ASSESSMENT OF MANGROVE EXTENT EXTRACTION ACCURACY OF THRESHOLD SEGMENTATION-BASED INDICES USING SENTINEL IMAGERY

C. D. C. Zablan, A. C. Blanco, K. Nadaoka, K. P. Martinez, and A. B. Baloloy

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 391–401, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-391-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-391-2023, 2023

SPATIO-TEMPORAL ANALYSIS OF DECADAL MANGROVE COVER AND FRAGMENTATION IN REGION IV-B MIMAROPA, PHILIPPINES

C. D. C. Zablan, A. A. Nerves, A. C. Blanco, A. B. Baloloy, K. P. Martinez, and M. E. P. Neri

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 403–413, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-403-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-403-2023, 2023

SPATIO-TEMPORAL ANALYSIS AND MODELLING OF DENGUE INCIDENCES IN QUEZON CITY USING ORDINARY LEAST SQUARES AND SPATIAL REGRESSION

A. C. Blanco, B. J. J. Harder, and I. A. R. Teh

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVIII-4-W6-2022, 87–92, https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-87-2023,https://doi.org/10.5194/isprs-archives-XLVIII-4-W6-2022-87-2023, 2023

RAPID MAPPING AND ASSESSMENT OF DAMAGES DUE TO TYPHOON RAI USING SENTINEL-1 SYNTHETIC APERTURE RADAR DATA

S. F. Meneses III and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B3-2022, 1139–1146, https://doi.org/10.5194/isprs-archives-XLIII-B3-2022-1139-2022,https://doi.org/10.5194/isprs-archives-XLIII-B3-2022-1139-2022, 2022

TYPHOON DAMAGE MAPPING USING NORMALIZED DIFFERENCED SPATIAL AUTOCORRELATION AND PLANETSCOPE IMAGE

A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLIII-B3-2022, 1077–1082, https://doi.org/10.5194/isprs-archives-XLIII-B3-2022-1077-2022,https://doi.org/10.5194/isprs-archives-XLIII-B3-2022-1077-2022, 2022

MODELLING THE CHLOROPHYLL-A CONCENTRATION OF LAGUNA LAKE USING HIMAWARI-8 SATELLITE IMAGERY AND MACHINE LEARNING ALGORITHMS FOR NEAR REAL TIME MONITORING

E. R. G. Martinez, R. J. L. Argamosa, R. B. Torres, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W3-2021, 211–214, https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-211-2022,https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-211-2022, 2022

MAPPING OIL SPILLS ON SEA SURFACE FROM SENTINEL 2 IMAGES USING PRINCIPAL COMPONENTS AND CATEGORICAL BOOSTING

R. J. L. Argamosa, A. C. Blanco, and R. B. Reyes

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W3-2021, 33–38, https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-33-2022,https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-33-2022, 2022

SPATIO-TEMPORAL MAPPING AND ANALYSIS OF MANGROVE EXTENTS AROUND MANILA BAY USING LANDSAT SATELLITE IMAGERY AND MANGROVE VEGETATION INDEX (MVI)

M. Conopio, A. B. Baloloy, J. Medina, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 103–108, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-103-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-103-2021, 2021

PASIG RIVER WATER QUALITY ESTIMATION USING AN EMPIRICAL ORDINARY LEAST SQUARES REGRESSION MODEL OF SENTINEL-2 SATELLITE IMAGES

J. E. Escoto, A. C. Blanco, R. J. Argamosa, and J. M. Medina

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 161–168, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-161-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-161-2021, 2021

DEVELOPMENT OF THE IM4MANILABAY MAPABLE WEB PORTAL

N. B. Gatdula, B. J. D. Jiao, J. A. Laurente, A. C. Blanco, J. M. Medina, D. Fargas, and G. A. Narciso

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 169–176, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-169-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-169-2021, 2021

UTILIZATION OF SENTINEL-2 IMAGERY IN THE ESTIMATION OF PLASTICS AMONG FLOATING DEBRIS ALONG THE COAST OF MANILA BAY

M. L. R. Gonzaga, M. T. S. Wong, A. C. Blanco, and J. A. Principe

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 177–184, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-177-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-177-2021, 2021

MAPPING COLOURED DISSOLVED ORGANIC MATTER IN MANILA BAY USING SENTINEL-3 AND WASI

A. Manuel, A. C. Blanco, O. Cabrera, and M. L. San Diego-McGlone

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 207–212, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-207-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-207-2021, 2021

ASHFALL DISPERSAL MAPPING OF THE 2020 TAAL VOLCANO ERUPTION USING DIWATA-2 IMAGERY FOR DISASTER ASSESSMENT

E. J. G. Merin, A. L. F. Yute, C. J. S. Sarmiento, and E. E. Elazagui

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 221–226, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-221-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-221-2021, 2021

DEVELOPMENT OF THE MASDAN MOBILE APPLICATION AND WEB-BASED GIS INTERFACE FOR THE MONITORING AND MANAGEMENT OF THE MANILA BAY ENVIRONMENT

G. A. M. Narciso, D. C. Fargas Jr., C. G. Candido, J. M. Medina, M. L. P. Tinio, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 227–234, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-227-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-227-2021, 2021

LIMITATION ASSESSMENT AND WORKFLOW REFINEMENT OF THE MANGROVE VEGETATION INDEX (MVI)-BASED MAPPING METHODOLOGY USING SENTINEL-2 IMAGERY

M. P. Neri, A. B. Baloloy, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 235–242, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-235-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-235-2021, 2021

SEMI-AUTOMATED DELINEATION OF INFORMAL SETTLEMENT STRUCTURES FROM DRONE RGB IMAGERY USING OBJECT-BASED IMAGE ANALYSIS

R. A. B. Rivera, E. N. B. Idago, A. C. Blanco, and K. A. P. Vergara

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 249–256, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-249-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-249-2021, 2021

MONITORING POST-DISASTER MANGROVE FOREST RECOVERIES IN LAWAAN-BALANGIGA, EASTERN SAMAR USING TIME SERIES ANALYSIS OF MOISTURE AND VEGETATION INDICES

K. V. Ticman, S. G. Salmo III, K. E. Cabello, M. Q. Germentil, D. M. Burgos, and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 295–301, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-295-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-295-2021, 2021

PRELIMINARY INVESTIGATION ON CHLOROPHYLL-A AND TOTAL SUSPENDED MATTER CONCENTRATION IN MANILA BAY USING HIMAWARI-8 AHI AND SENTINEL-3 OLCI C2RCC

R. B. Torres and A. C. Blanco

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 303–311, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-303-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-303-2021, 2021

SUPPLEMENTING SATELLITE IMAGERY WITH SOCIAL MEDIA DATA FOR REMOTE RECONNAISSANCE: A CASE STUDY OF THE 2020 TAAL VOLCANO ERUPTION

A. L. F. Yute, E. J. G. Merin, C. J. S. Sarmiento, and E. E. Elazagui

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4-W6-2021, 329–335, https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-329-2021,https://doi.org/10.5194/isprs-archives-XLVI-4-W6-2021-329-2021, 2021

MULTI-SENSOR APPROACH TO LEAF AREA INDEX ESTIMATION USING STATISTICAL MACHINE LEARNING MODELS: A CASE ON MANGROVE FORESTS

K. P. Martinez, D. F. M. Burgos, A. C. Blanco, and S. G. Salmo III

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2021, 109–115, https://doi.org/10.5194/isprs-annals-V-3-2021-109-2021,https://doi.org/10.5194/isprs-annals-V-3-2021-109-2021, 2021

MONITORING AND ASSESSMENT OF AGRI-URBAN LAND CONVERSION USING MULTI-SENSOR REMOTE SENSING AND GIS TECHNIQUES

D. C. Fargas Jr., G. A. M. Narciso, and A. C. Blanco

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2021, 117–124, https://doi.org/10.5194/isprs-annals-V-3-2021-117-2021,https://doi.org/10.5194/isprs-annals-V-3-2021-117-2021, 2021

POST-DISASTER ASSESSMENT OF MANGROVE FOREST RECOVERY IN LAWAAN-BALANGIGA, EASTERN SAMAR USING NDVI TIME SERIES ANALYSIS

K. E. Cabello, M. Q. Germentil, A. C. Blanco, E. G. Macatulad, and S. G. Salmo III

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci., V-3-2021, 243–250, https://doi.org/10.5194/isprs-annals-V-3-2021-243-2021,https://doi.org/10.5194/isprs-annals-V-3-2021-243-2021, 2021

A Framework for the Development of Digital Spatial Weights using Social Media Data: Methodological Foundation and Initial Analysis

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