Tasirin Twomey

Sakamakon Twomey ya bayyana yadda ƙarin ƙwayoyin girgije (CCN), mai yiwuwa daga gurɓataccen ɗan adam, na iya ƙara yawan Hasken rana da girgije ke nunawa. Wannan sakamako ne na kai tsaye (ko tilasta radiative) ta irin waɗannan barbashi, kamar yadda ya bambanta da tasirin kai tsaye (tilasta) saboda ingantawar warwatsewa ko shan radiation ta irin waɗannan ƙwayoyin ba a cikin girgije ba.q

Dutse na girgije yawanci yana samuwa a kan barbashi na aerosol waɗanda ke aiki a matsayin CCN. Ƙara yawan adadin CCN na iya haifar da samar da ƙarin ɗigon girgije tare da ƙarami.

Karin yawan adadi yana ƙara 2" href="./Optical_depth" id="mwFw" rel="mw:WikiLink" title="Optical depth">zurfin gani na girgije, wanda ke haifar da karuwa a cikin albedo na girgije yana sa girgije ya fi fari. Hotunan tauraron dan adam galibi suna nuna hanyoyin girgije, ko kuma ingantaccen haske na girgije, a bayan jiragen ruwa masu tafiya a teku saboda wannan sakamako. Ragewar matsakaicin matsakaicin duniya na hasken rana saboda karuwar yawan CCN yana haifar da tasirin sanyaya akan yanayi; matsakaicin girman duniya na wannan tasirin a zamanin masana'antu an kiyasta tsakanin -0.3 da -1.8 W / m2. 

 Rarraba 
Ka yi la'akari da girgije iri ɗaya wanda ya shimfiɗa ba tare da iyaka ba a cikin jirgin sama a kwance, ka kuma ɗauka cewa girman rarrabawar ƙwayoyin yana kusa da matsakaicin darajar 

r ̄ 

{\displaystyle {\bar {r}}} 

.

Tsarin ruwa na girgije shine



inda 

τ 

{\displaystyle \tau } 

shine zurfin gani, 

h 

{\displaystyle h} 

shi ne kauri girgije, 

r ̄ 

{\displaystyle {\bar {r}}} 

shine matsakaicin girman ƙwayoyin, kuma 

N 

{\displaystyle N} 

shine yawan adadin ɗigon girgije.

Tsarin don zurfin gani na girgije shine



inda 

ρ 

L 

{\displaystyle \rho _{L}} 

shine yawan ruwa.

Idan muka yi la'akari da tunaninmu za mu iya hada ma'auni biyu da suka gabata don samarwa



Don samun tasirin canji 

N 

{\displaystyle N} 

yayin kiyayewa 

h 

{\displaystyle h} 

, 

ρ 

L 

{\displaystyle \rho _{L}} 

da kuma 

L W C 

{\displaystyle LWC} 

dindindin, daga lissafin ƙarshe za mu iya rubuta



kuma daga ma'auni don 

L W C 

{\displaystyle LWC} 

za mu iya rubutu



saboda haka



Wannan ya kwatanta Tasirin Twomey ta hanyar lissafi, wato, don abun cikin ruwa na yau da kullun, 

L W C 

{\displaystyle LWC} 

, ƙara yawan ɗigon girgije, 

N 

{\displaystyle N} 

, yana ƙara zurfin gani na girgije.

 Dubi kuma 

 Tasirin Albrecht
 Sulfate
 Aerosols da soot
 Ruwa

 Bayanan da aka ambata 

 Bayanan littattafai