Source: UNOSAT
The map featured above is a Landsat 8-based map showing regions south of Iran’s Lake Urmia that have been effected by recent flooding.
Further Information:
+ Satellite Detected Water Extent South of Urmia Lake, Islamic Republic of Iran

Above the Earth, Below the Surface: Landsat’s Role in Monitoring Water Quality
Safeguarding freshwater resources is crucial, and while scientists use a variety of ground-based techniques to gauge water quality, the Landsat program has provided water quality data from orbit for decades.