Hydrogeology

https://www.wikidata.org/wiki/Q179509

Field Hierarchy

Parent
Engineering 25M papers	Geology 10.4M papers	Geotechnical engineering 2.2M papers	Hydrology 2 papers
Current
Hydrogeology 49.4k papers
Child
Metamorphic petrology 9,258 papers	Regional geology 6,316 papers	Telmatology 5,741 papers	Environmental geology 4,961 papers
Economic geology 4,515 papers	Glaciology 2,264 papers	Geobiology 2,000 papers

Trends

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History