Assertion: drought | /r/HasProperty | lack of snowpack
Facets:
value: over an extended period of time
type: TEMPORAL
Source sentences:
text: But drought can be observed in lots of ways: lack of snowpack, low flows in rivers and streams, dry soils, higher evaporative losses, low lake/reservoir levels, etc.
text: A drought is when there is a lack of precipitation over an extended period of time, usually a season or more, resulting in a water shortage for some activity, group, or environmental sector.