LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES
We search for lost bodies of water in the cities of Manila, Tacloban, Iloilo, Cebu, Davao, and Naga by aligning their digitized Spanish-era and American-era maps to Google maps. These vanished ancient waterways can either become flooding hazards in case of extreme weather events, or liquefaction haz...
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Series: | The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
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doaj-b84436520af740fc923bcb98d7ff7e4b2020-11-25T02:13:08ZengCopernicus PublicationsThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences1682-17502194-90342019-12-01XLII-4-W1924925410.5194/isprs-archives-XLII-4-W19-249-2019LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIESK. G. Jubilo0M. R. Algodon1E. M. Torres2Z. D. Abraham3A. Ide-Ektessabi4M. Soriano5National Institute of Physics, University of the Philippines Diliman Quezon City 1101, PhilippinesNational Institute of Physics, University of the Philippines Diliman Quezon City 1101, PhilippinesNational Institute of Physics, University of the Philippines Diliman Quezon City 1101, PhilippinesNational Institute of Physics, University of the Philippines Diliman Quezon City 1101, PhilippinesAdvanced Imaging Technology Laboratory, Graduate School of Engineering, Kyoto University, JapanNational Institute of Physics, University of the Philippines Diliman Quezon City 1101, PhilippinesWe search for lost bodies of water in the cities of Manila, Tacloban, Iloilo, Cebu, Davao, and Naga by aligning their digitized Spanish-era and American-era maps to Google maps. These vanished ancient waterways can either become flooding hazards in case of extreme weather events, or liquefaction hazards, in case of earthquakes. Digitized historical maps of the cities were georectified, overlaid on current Google maps, and checked for potential missing bodies of water. Inspection through field visits and interviews with locals were conducted to verify the actual status of suspected sites. The validation identified lost, found, and even new bodies of water. There was also evidence of affected buildings, rainless flooding, and a “new normal” for the meaning of flooding among frequently inundated residents.https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-4-W19/249/2019/isprs-archives-XLII-4-W19-249-2019.pdf |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
K. G. Jubilo M. R. Algodon E. M. Torres Z. D. Abraham A. Ide-Ektessabi M. Soriano |
spellingShingle |
K. G. Jubilo M. R. Algodon E. M. Torres Z. D. Abraham A. Ide-Ektessabi M. Soriano LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
author_facet |
K. G. Jubilo M. R. Algodon E. M. Torres Z. D. Abraham A. Ide-Ektessabi M. Soriano |
author_sort |
K. G. Jubilo |
title |
LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES |
title_short |
LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES |
title_full |
LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES |
title_fullStr |
LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES |
title_full_unstemmed |
LOST WATERWAYS: CLUES FROM DIGITIZED HISTORICAL MAPS OF MANILA AND OTHER PHILIPPINES CITIES |
title_sort |
lost waterways: clues from digitized historical maps of manila and other philippines cities |
publisher |
Copernicus Publications |
series |
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
issn |
1682-1750 2194-9034 |
publishDate |
2019-12-01 |
description |
We search for lost bodies of water in the cities of Manila, Tacloban, Iloilo, Cebu, Davao, and Naga by aligning their digitized Spanish-era and American-era maps to Google maps. These vanished ancient waterways can either become flooding hazards in case of extreme weather events, or liquefaction hazards, in case of earthquakes. Digitized historical maps of the cities were georectified, overlaid on current Google maps, and checked for potential missing bodies of water. Inspection through field visits and interviews with locals were conducted to verify the actual status of suspected sites. The validation identified lost, found, and even new bodies of water. There was also evidence of affected buildings, rainless flooding, and a “new normal” for the meaning of flooding among frequently inundated residents. |
url |
https://www.int-arch-photogramm-remote-sens-spatial-inf-sci.net/XLII-4-W19/249/2019/isprs-archives-XLII-4-W19-249-2019.pdf |
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