Hydro basins level 6: Mekong

Hydro-basins provide hydrographic data layers that allow for the derivation of watershed boundaries for any given location based on the near-global, high-resolution SRTM digital elevation model. Watersheds were delineated in a consistent manner at different scales, and a hierarchical sub-basin breakdown was created following the topological concept of the Pfafstetter coding system (Verdin & Verdin 1999). The resulting polygon layers are termed HydroBASINS and represent a subset of the HydroSHEDS database. There are 12 levels. Level 6 represents major river systems from headwaters to coast. This version is sourced from FAO.

Data Resources (4)

Data Resource Preview - Hydro basin level 6 Mekong

Additional Info

Field Value
Dataset topic category
  • Agriculture
  • Agriculture and fishing
  • Environment and natural resources
  • Ground water
  • Rivers and lakes
  • Water resources
Language
  • English
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Dataset reference date 02/02/2011
GeoNames
  • Cambodia
  • Lao People's Democratic Republic
  • Myanmar
  • Thailand
  • Viet Nam
Positional Accuracy No known issues with accuracy.
Logical Consistency No known issues with logical consistency.
Completeness The dataset is a subset of the gloabal Hydrosheds data and is complete.
Process Step This data was dissolved on level 3 for the Pfafstetter coding system. See http://www.hydrosheds.org/images/inpages/HydroBASINS_TechDoc_v1c.pdf for detailed documentation on this hierarchical system of attributing basin flow order and relationships. The dataset was trimmed to country boundaries according to ESRI's Global Administrative Database country boundaries data.
Lineage World map of the major hydrological basins (Derived from HydroSHEDS) 2011-02-02T11:44:00 Creation First edition. Digital map http://ref.data.fao.org/map?entryId=7707086d-af3c-41cc-8aa5-323d8609b2d1&tab=metadata
Responsible party Jippe Hoogeveen FAO-UN - AGLW Viale delle Terme di Caracalla Rome 00100 Italy jippe.hoogeveen@fao.org
License unspecified
Copyright Yes
Version 1.0
Date uploaded July 9, 2015, 09:33 (UTC)
Date modified February 21, 2019, 04:11 (UTC)