Assertion: swamp's water | /r/HasSubevent | distinctive dark color
Facets:
value: because of the lack of infrared reflectance
type: CAUSE
Source sentences:
text: Even when wetland basins are dry, the silt, clay, and other fine-grained materials hold more water than the upland soils hold, which results in a distinctive dark color because of the lack of infrared reflectance.