lecture 06: hydrosphere Flashcards
what percentage of oceans covers earths surface
70%
what drives the water cycle
solar energy and gravity
what is evapotranspiration
returning water to the air and helping with the formation of clouds
what is groundwater
precipitation stored in the spaces between soil particles and fractures in the rock
what is ancient water
very old water
what is the layer of ocean division that sun can penetrate
epipelagic
what layer is where water temperature is 10 degrees celsius
mesopelagic
ocean division between 10 degrees celsius and 4 degrees celsius
bathypelagic
ocean division from 4 degrees celsius to 6000m depth
abyssalpelagic
ocean division below 6000m
hadalpelagic
thermocline
rapid decline in temperature over a fairly narrow change in depth
when is the mixed layer less pronounced in temperature regions
winter
lotic systems
flowing water (rivers and streams)
lentic
still or non-flowing water (lakes, ponds, marshes, swamps, bogs)