continuant
An entity that exists in full at any time in which it exists at all, persists through time while maintaining its identity and has no temporal parts.
independent continuant
A continuant that is a bearer of quality and realizable entity entities, in which other entities inhere and which itself cannot inhere in anything.
material entity
An independent continuant that is spatially extended whose identity is independent of that of other entities and can be maintained through time.
geographic feature
anthropogenic geographic feature
river
stream
watercourse
populated place
water body
constructed feature
biome
terrestrial biome
city
waste water
water
fresh water
sewage
contaminated water
pulp-bleaching waste water
waste
environmental feature
drinking water
environmental material
anthropogenic environmental material
anthropogenic terrestrial biome
dense settlement biome
urban biome
environmental system
water vapour
atmospheric water vapour
atmospheric carbon dioxide
atmospheric ozone
lotic water body
climate change
volcanic eruption
explosive eruption
effusive eruption
earthquake
tectonic earthquake
megathrust earthquake
coast
tsunami
mass wasting
avalanche
landslide process
rockfall
geological subsidence
mudslide
mass wasting flow
mudflow
debris flow
lahar
sturzstrom
ash fall process
coastal flooding
riverine flooding
flash flooding
flood
coastal flood
riverine flood
flash flood
storm surge
metotsunami
storm surge process
areal flooding
urban flooding
lava flow process
environmental system process
desertification
flooding
land degradation
afforestation
deforestation
reforestation
anthropogenic reforestation
anthropogenic environmental process
revegetation
system
A material entity consisting of multiple components that are causally integrated.
Chris Mungall
http://www.jbiomedsem.com/content/4/1/43
May be replaced by a BFO class, as discussed in http://www.jbiomedsem.com/content/4/1/43