Historical database of urban flooding in Ho Chi Minh City, Vietnam (2002–2026)

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Historical database of urban flooding in Ho Chi Minh City, Vietnam (2002–2026)
Hardy, Sebastien; Radziute, Gintaré, 2026, "Historical database of urban flooding in Ho Chi Minh City, Vietnam (2002–2026)", https://doi.org/10.23708/8Y16HU, DataSuds, V1, UNF:6:D9m+vD54QSu8IwamgyGjfw== [fileUNF]
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Description
This dataset compiles 425 geolocated observations of urban flooding in Ho Chi Minh City, recorded between 2002 and 2026 from 53 sources (mainly Vietnamese newspapers, along with a few technical reports).
Each observation documents the date, location (name, type, ward/commune, and the current administrative unit following the 2025 administrative reform), water height (minimum/maximum in cm and depth class), cause (rain, high tide, or combined), impact type, source, spatial precision, and geocoding method.

The dataset also includes complementary layers:
  • administrative boundaries before/after the 2025 reform
  • population density by district (2019)
  • flood recurrence by street
  • rivers, canals and water bodies
  • verified industrial zones
This work was carried out as part of a Master's (M2) internship (IGE, April–August 2026) within LMI CARE, under the supervision of Sébastien Hardy (IRD). The Master's thesis was defended on 10 September 2026.

Summary of methodology: multilingual documentary research (French, English, Vietnamese, and to a lesser extent Russian) using targeted keywords; manual extraction and geolocation of reported events; harmonization with administrative references before and after the 2025 reform (see https://bando.tphcm.gov.vn/); GIS processing under ArcGIS Pro. (2026-09-06)
Subject Earth and Environmental Sciences; Social Sciences
Keyword flood, urban flooding, Ho Chi Minh City
Related Publication Radziute, G. (2026). Construction d’une base de données historiques sur les inondations à Hô Chi Minh-Ville, Vietnam [Mémoire de master 2 non publié]. Université Grenoble Alpes
Notes Main CRS: VN-2000 TM-3 105-45 (EPSG:9210) (some ancillary layers are in EPSG:4326, WGS84 — see table below)
  • Geographic extent (bounding box, EPSG:9210):
    Xmin = 579876.06 Ymin = 1149942.63
    Xmax = 649903.88 Ymax = 1233962.63
  • The spatial and temporal coverage of the observations entirely depends on the availability and reliability of the sources (mainly Vietnamese newspapers); less widely reported events are likely under-represented.
  • Administrative references (districts, wards) sometimes follow the boundaries in effect before the reform of 1 July 2025; the Current_admin_unit field allows correspondence with the current administrative division.
  • See the thesis for a full discussion of methodological limitations.
License/Data Use Agreement

CC BY-NC 4.0

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ReadMe_10_23708_8Y16HU.txt
Plain Text - 1.7 KB
Published Sep 9, 2026
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MD5: 56b05fa9ecebeafd95deee1cc98aca4e
contains the citation, description and conditions of use, or even access, depending on the case, to the dataset
Documentation
Preview "ReadMe_10_23708_8Y16HU.txt"
Flood_event_locations.tab
HCMC_floods/Tabular Data - 94.4 KB
Published Sep 9, 2026
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22 Variables, 425 Observations UNF:6:EhnzG/hpLSXWtp5Zkd4yZQ==
Tabular version of the same data (425 rows, 22 attributes)
Données
Preview "HCMC_floods/Flood_event_locations.tab"
Metadata-form-HCMC-floods.pdf
Metadata-form-HCMC-floods.pdf
HCMC_floods/Adobe PDF - 42.3 KB
Published Sep 9, 2026
0 Downloads
MD5: 82d551b61d8f5e49e3d68ae72228d06f
Full data dictionary: the 22 attributes of the main layer (name, description, type, unit, source, possible values, notes)
Documentation
Preview "HCMC_floods/Metadata-form-HCMC-floods.pdf"
Sources_floods_HCMC.tab
HCMC_floods/Tabular Data - 4.3 KB
Published Sep 9, 2026
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2 Variables, 47 Observations UNF:6:QELD+6KFIgTvmDHTLLmwbQ==
List of the 53 sources (URLs), 963 rows (Source_id + URL)
Documentation
Preview "HCMC_floods/Sources_floods_HCMC.tab"
HCMC_Floods_BDD.gpkg
HCMC_floods/Layer_files/Unknown - 244.0 KB
Published Sep 9, 2026
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MD5: 1f618063abb8344471af01b3780c0519
Layer "Flood_event_locations" — 425 points, EPSG:9210 Main layer: geolocated flood observations
Données
HCMC_new_limits.gpkg
HCMC_floods/Layer_files/Unknown - 496.0 KB
Published Sep 9, 2026
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MD5: 9f2cca3c0fd516fbae3802ab51493e26
Layer "Limits_before_2025_administrative_reform" — 4 polygons, EPSG:9210 — administrative boundaries before/after the 2025 reform
Données
HCMC_pop_density_districts.gpkg
HCMC_floods/Layer_files/Unknown - 1.1 MB
Published Sep 9, 2026
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MD5: 05f17a492e61cb8a962abadc78f1b950
Layer "Population_density_by_district_in_2019" — 24 polygons (3D), EPSG:9210 — population density by district (2019)
Données
HCMC_Roads.gpkg
HCMC_floods/Layer_files/Unknown - 128.0 KB
Published Sep 9, 2026
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MD5: 996fad2352a86a79a5198e88c4955f24
Layer "Flood_recurrence_by_street" — 9 lines (3D), EPSG:9210 — flood recurrence by street
Données
HCMC_water.gpkg
HCMC_floods/Layer_files/Unknown - 4.0 MB
Published Sep 9, 2026
0 Downloads
MD5: 0590430eca0e97e1fe2ec6b7af3e2eb5
Layer "Rivers_main_canals_and_water_bodies" — 2430 polygons, EPSG:4326 — rivers, main canals and water bodies
Données
industrial_zones_verified.gpkg
HCMC_floods/Layer_files/Unknown - 528.0 KB
Published Sep 9, 2026
0 Downloads
MD5: 09f67b177d149a11fd07f8e9542e062f
Layer "osm_IZ_v2" — 735 polygons, EPSG:4326 — verified industrial zones (source: OpenStreetMap, verified)
Données
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