Kawah Ijen Crater Lake & Copernicus

Kawah Ijen Crater Lake & Copernicus upsc mind map
Kawah Ijen Crater Lake
Source
India Today
Context
World’s largest acidic lake
East Java, Indonesia
Characteristics
High concentrations
Sulphuric and hydrochloric acids
Unswimmable
Visible from space
Turquoise blue waters
pH level
As low as 0.5
Similar to car battery acid
Emissions
Hot, flammable sulphurous gases
Burn with blue flame
Nighttime spectacle
Life exists
Microbial communities
Mainly Archaea
In lake and acidic river
UNESCO Global Geopark
Unique features
Geological
Biological
Cultural
Active vent
Significant source of elemental sulfur
Supports mining operation
About Copernicus
EU’s Earth observation program
Provides data
Satellites
Non-space sources
Overseen by
European Commission
Copernicus Sentinel series
Satellites
Provide optical images
Earth’s surface

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