temperature

temperature

mixing by currents, heating by sun, exchange with atm

ocean patterns

zonal, upwelling at equator, Pacific warm pool

what does zonal mean

follows latitude, warm at equator and cold at poles

does water have a high or low heat capacity

high heat capacity

generic vertical temp profie

rapid change in temp with depth, stratified water column = layering by density, stable water column = lower density atop higher density

potential temp

always lower than measured temp, lapse rate: about 0.1 degrees Celsius per 1000m, temp the water would have if it were brought to the surface adiabatically (without exchange of heat

equation for potential temp

Pv=nRT

relationship between pressure and temp in deep ocean

pressure in deep ocean increases the temp of water, no exchange of heat with atm

ocean thermal energy conversion (OTEC)

closed loop contains ammonia, EVAP/ condensation cycle

challenges of ocean thermal energy conversion

biofouling, release of cool outflow into surface waters