GEOG 1900 EXAM 2
Pressure6gradient6-6answer--rate6of6change6in6pressure6across6a6distance
Pressure6gradient6force6-6answer--
the6force6which6results6when6there6is6a6different6in6pressure6across6a6surface
Coriolis6Effect6-6answer--
An6imaginary6deflective6force6arising6from6earth's6rotation6that6is6necessary6to6account
6for6motions6measured6relative6to6the6surface
Geostrophic6Flow6-6answer--An6idealized6condition6in6which6the6upper-
level6air6flows6at6a6constant6speed6and6direction,6parallel6to6straight6isobars.6There6is6
no6acceleration6in6geostrophic6flow,6and6frictional6forces6are6negligible.
Saturation6concept6-6answer--
the6rate6at6which6molecules6move6into6the6liquid6phase6is6the6same6as6the6rate6at6whi
ch6molecules6move6into6the6gas6phase6(air6is6saturated)
Relative6Humidity6-6answer--
the6actual6concentration6of6water6vapor6in6the6air6compared6to6the6concentration6of6w
ater6vapor6in6the6air6with6the6same6temperature6at6saturation.6-
61006%6RH6means6that6air6is6saturated6with6water6vapor.
Lifting6processes6-6answer--Orographic6-
6occurs6when6air6is6forced6up6the6slopes6of6hills6or6mountains
Frontal6Lifting6-6displacement6of6one6air6mass6over6another6
Convection6-6heating6of6ground6causes6surface6air6to6warm6and6hence6rise
Convergence6-6convergence6of6air6causes6surface6air6to6rise
Different6types6of6dew6-6answer--Dew,6Frost6and6frozen6dew6(black6ice6on6asphalt)
Different6types6of6fog6-6answer--Advection6fog6-
6warm6moist6air6moves6over6a6cool6surface
Radiation6fog6-6Earth's6surface6cools6rapidly6
Upslope6fog6-6Humid6air6moves6up6a6slope
Dry6adiabatic6lapse6rate6-6answer--
expansional6cooling6and6compressional6warming6of6an6unsaturated6air6parcel6which6is
6not6externally6heated6or6cooled6(106C/km)
Pressure6gradient6-6answer--rate6of6change6in6pressure6across6a6distance
Pressure6gradient6force6-6answer--
the6force6which6results6when6there6is6a6different6in6pressure6across6a6surface
Coriolis6Effect6-6answer--
An6imaginary6deflective6force6arising6from6earth's6rotation6that6is6necessary6to6account
6for6motions6measured6relative6to6the6surface
Geostrophic6Flow6-6answer--An6idealized6condition6in6which6the6upper-
level6air6flows6at6a6constant6speed6and6direction,6parallel6to6straight6isobars.6There6is6
no6acceleration6in6geostrophic6flow,6and6frictional6forces6are6negligible.
Saturation6concept6-6answer--
the6rate6at6which6molecules6move6into6the6liquid6phase6is6the6same6as6the6rate6at6whi
ch6molecules6move6into6the6gas6phase6(air6is6saturated)
Relative6Humidity6-6answer--
the6actual6concentration6of6water6vapor6in6the6air6compared6to6the6concentration6of6w
ater6vapor6in6the6air6with6the6same6temperature6at6saturation.6-
61006%6RH6means6that6air6is6saturated6with6water6vapor.
Lifting6processes6-6answer--Orographic6-
6occurs6when6air6is6forced6up6the6slopes6of6hills6or6mountains
Frontal6Lifting6-6displacement6of6one6air6mass6over6another6
Convection6-6heating6of6ground6causes6surface6air6to6warm6and6hence6rise
Convergence6-6convergence6of6air6causes6surface6air6to6rise
Different6types6of6dew6-6answer--Dew,6Frost6and6frozen6dew6(black6ice6on6asphalt)
Different6types6of6fog6-6answer--Advection6fog6-
6warm6moist6air6moves6over6a6cool6surface
Radiation6fog6-6Earth's6surface6cools6rapidly6
Upslope6fog6-6Humid6air6moves6up6a6slope
Dry6adiabatic6lapse6rate6-6answer--
expansional6cooling6and6compressional6warming6of6an6unsaturated6air6parcel6which6is
6not6externally6heated6or6cooled6(106C/km)
