{"id":"S85145539","label":"Water chemistry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85145539","normalized_label":"water chemistry","broader":["http://id.loc.gov/authorities/subjects/sh85053960","http://id.loc.gov/authorities/subjects/sh85063458"],"aliases":["Aquatic chemistry","Chemical hydrology","Hydrochemistry","Hydrogeochemistry","Natural water chemistry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85145539","provider":"lcsh","revision":"375cc5a0660fe226","taxonomy_revision":"f050b5d4780b1289","title":"Water chemistry","url":"/topics/S85145539","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288454677665039940","address_version":"morton4x16-v1","coordinates":[0,20,19679,3072],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}