abraded

abrasion

algae

away

backdrop

background

bedrock

biology

brook

carved

cascades

catskills

change

chlorophyll

cinema

cinematography

class

cool

creek

dappled

depth

drought

edge

environment

environmental

erosion

falling

flow

flowing

fluvial

freshwater

geology

green

growth

horizontal

inviting

level

low

lower

motion

mountain

natural

nature

new

passing

phenomena

phenomenon

pure

purity

river

rivulets

rocks

science

second

shade

shadow

shallow

silence

slo

slow

stream

sun

sunshine

table

unblemished

undisturbed

upstate

vegetation

video

water

waterfall

weathered

worn

york