SURFACE WATER PROCESSES/MEASUREMENTS
2016-03-31 08:13:37.0 [gee-cee] Move Concepts delete broader relation (null); add broader relation (HYDROPERIOD [d4e8b5c5-9203-4982-82bc-2611b517ffdb,85465] - SURFACE WATER PROCESSES/MEASUREMENTS [9d86cd70-062a-4c39-b3f3-226abebc07f7,158723]);
HYDROPERIOD
A given amount of time in which a river/stream system is active; i.e., water is passing through the system(s).