aerial

air

atmospheric

cell

cloud

cycle

data

element

environment

equipment

falling

forest

funnel

gauge

hydrological

leaf

leaves

machine

measurement

measurements

meteorology

monitoring

observation

observations

over

phenocamera

phenology

plant

plastic

precipitation

pressure

rain

rainfall

reading

research

science

scientific

sensor

shot

station

storm

system

technology

tower

trees

treetops

water

weather

whole

wood