the beauty of mapping


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Thursday, April 29, 2021

Mapping Province As Well As Ocean Reclamation


Over the final thirty years the public has gained 173,000 km2 of land. Most of it from province reclamation projects. However this isn't simply a i agency process. Over the same fourth dimension menses the public gained 115,000 km2 of water. Much of this presumably due to coastal erosion.

The Deltares Aqua Monitor is a fascinating novel global map which allows y'all to visualize province as well as H2O surface changes since the twelvemonth 2000. The map was created past times analyzing changes inwards Landsat satellite imagery. Custom algorithms were created to scan the satellite imagery to uncovering changes inwards surface H2O as well as uncovering where H2O has teach province as well as province has teach water.

On the interactive map greenish overlays exhibit where surface H2O has been turned into province as well as blueish overlays exhibit where province has been changed into surface water. If y'all plough on the advanced options on the map y'all tin toggle the changes on as well as off. You tin too stance the changes yourself straight on the map past times switching betwixt the 2000 as well as 2015 satellite imagery.

Some of the virtually dramatic surface H2O changes tin endure seen in:

  • the extending lakes inwards the Tibetan plateau
  • coastal province reclamation along the Chinese coast 
  • the drying upward of the Aral Sea
  • the meandering rivers inwards the biggest deltas