• Landsat
  • Water Mask

LEGEND


Aqua Monitor Surface Land Gain (1985-2016)

Description The Deltares Aqua Monitor is an open tool that detects land and water conversions globally, during the last 30 years at 30m resolution. Results of the Aqua Monitor only show compound impacts of natural and human change or variability but does not look into water and sediment budgets which would be required to determine the causes of these changes. Static maps have been exported from the tool which displays accumulative land and water changes between 1985-2016. For further detail on the methodology see Nature Climate Change paper: http://nature.com/nclimate/journal/v6/n9/full/nclimate3111.html.
Source(s) Donchyts, Gennadii; Baart, Fedor; Winsemius, Hessel; Gorelick, Noel; Kwadijk, Jaap; van de Giesen, Nick. "Earth's surface water change over the past 30 years". Nature Climate Change. 2016/09, volume 6, issue 9, page 810-813. Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. SN - 1758-678X http://www.nature.com/nclimate/journal/v6/n9/full/nclimate3111.html
Date of data 09/01/2016
Completeness Preliminary analysis using the Aqua Monitor yields only static accumulated changes over the select periods and does not represent standing water. Calculations are only collected during years where images are available.
License unspecified

Aqua Monitor Surface Water Gain (1985-2016)

Description The Deltares Aqua Monitor is an open tool that detects land and water conversions globally, during the last 30 years at 30m resolution. Results of the Aqua Monitor only show compound impacts of natural and human change or variability but does not look into water and sediment budgets which would be required to determine the causes of these changes. Static maps have been exported from the tool which displays accumulative land and water changes between 1985-2016. For further detail on the methodology see Nature Climate Change paper: http://nature.com/nclimate/journal/v6/n9/full/nclimate3111.html.
Source(s) Donchyts, Gennadii; Baart, Fedor; Winsemius, Hessel; Gorelick, Noel; Kwadijk, Jaap; van de Giesen, Nick. "Earth's surface water change over the past 30 years". Nature Climate Change. 2016/09, volume 6, issue 9, page 810-813. Nature Publishing Group, a division of Macmillan Publishers Limited. All Rights Reserved. SN - 1758-678X http://www.nature.com/nclimate/journal/v6/n9/full/nclimate3111.html
Date of data 09/01/2016
Completeness Preliminary analysis using the Aqua Monitor yields only static accumulated changes over the select periods and does not represent standing water. Calculations are only collected during years where images are available.
License unspecified

Greater Mekong Subregion hydropower dams (2016)

Description This dataset contains all known hydropower developments across the Greater Mekong Subregion although is not a complete dataset. It includes original data collected by Open Development Cambodia and Open Development Vietnam as well as sources from International Rivers and the Consultative Group on International Agricultural Research (CGIAR) Challenge Program on Water and Food - Mekong.
Source(s) Sources vary data from Myanmar, Laos, Thailand and China come fromthe CIGAR-WLE dataset available: https://wle-mekong.cgiar.org/maps/. Other data was orignally georeferenced by PanNature for Vietnam and Open Development Cambodia using Google Earth Viewer. Other sources include; JICA, Final Report on Data Collection Survey on Electric Power Sector in Cambodia 2012 EDC, Annual Report 2014, Sub-decree No 202 on Privatization of 4,674 hectares in Vealveng district Pursat province, Company page of Kyung An Cable 2015, Earthrights international, lower_sesan 2015 Website of Mekong watchhttps://data.opendevelopmentmekong.net/dataset/lower-sesan-ii-hydropower-project/resource/01c9772c-ea28-408d-a212-1ac2781bc5ae?type=library_record NGO forum on Cambodia, EIA list Ministry of Industry, Mines and Energy, Progress of Cambodia Power Development Plans & Transmission Interconnection Projects 2009, news from Phnom Penh post and Shanghai Daily. Along with a number of news and business publications in Vietnam.
Date of data 09/30/2016
Completeness This dataset is not complete and will be updated periodically.
License CC-BY-4.0

Global Food Security Product

Description The Global Food Security­ support Analysis Data Product provides spatial distribution of a disaggregated five class global cropland extent map derived at nominal 1­km based on four major studies: Thenkabail et al. (2009a, 2011), Pittman et al. (2010), Yu et al. (2013), and Friedl et al. (2010). This data represents Irrigated versus rainfed areas across the Lower Mekong Region.
Source(s) Global Food Security-Support Analysis Data at 30 m (GFSAD30) U.S. Department of the Interior U.S. Geological Survey http://geography.wr.usgs.gov/science/croplands/products.html
Date of data 09/19/2016
Completeness There are no known issues with completeness.
License unspecified

Rivers

River systems in the Greater Mekong Subregion. Attributes include:  name of river, name of basin, name of sub-basin, Strahler number.

 

Hydro basins level 6

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 represent sub river systems within level 3 basins.

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