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O sximatismos pagokrystalloy mporei na ginei eite me th sympyknwsh twn ydratmwn kateytheian se pago eite me thn pixi mias ydrostagonas!sthn prwth periptwsi se thermokrasies ligo katw apo 0 xreiazomaste yperkoresmo se sxesh me ton pago ths taxhs toy 20!exei brethei oti h prwth diergasia apaitei thermokrasies ths taxhs twn
-60 me yperkoresmo ths taxhs toy 8!(genika koresmos megalyteros ths taxhs toy 15 einai poly dyskolo na paroysiastei sthn atmosfaira)!
Twra oson afora th 2 periptwsh h pixi mias ydrostagonas ginetai aytomata molis h T pesei katw apo toys -40!Exoyn omws paratirithei stagones se ypertixi se T poy plisiazoyn akoma kai toys -40!H stereopoihsh mias ydrostagonas se ypertixi se T >-40 dieykolynetai apo thn paroysia orismenwn swmatidiwn ta opoia droyn san pyrines pagopoihshs!Oi pyrhnes pagopoihshs exoyn omoia domi me ton pago!oi perissoteroi energopoioyntai se T <-12 kai gi'ayto oi pagokrystalloi arxizoyn na emfanizontai se ena nefos otan h T toy nefoys pesei katw apo -15 C!genika oi pyrines sympiknwshs pariexontai se afthonia sthn atmosfaira enw oi pyrines pagopoihshs einai spanioi!
Nefh poy ekteinontai panw apo th stathmh twn 0 C onomazontai psyxra nefh!ayta ta nefh apoteloyntai kyriws apo ydrostagonidia se ypertixi kai deytereyontws apo pagokrystalloys!mono ta tmimata twn psyxrwn nefwn poy briskontai panw apo th stathmh twn -40C apoteloyntai ex oloklhroy apo pagokrystalloys!nafh sta opoia synyparxoyn pagokrystalloi kai ydrostagonidia legontai meikta nefh!Se ena meikto nefos sympyknwnontai ydratmoi stoys pagokrystalloys kai exatmizontai oi ydrostagones!Se T elaxista mikroteres twn 0 c o rythmos ayxhshs twn pagokrystallwn einai sxedon idios me to rythmo ayxhshs twn ydrostagonwn!Gia T <-10 oi pagokrystalloi ayxanontai taxytata enw se T gyrw stoys
-15 C h diergasia ayth entonotath!
Oi pagokrystalloi kata thn kinisis toys pros thn epifaneia ths ghs ayxanontai eite me th synenwsh me alloys pagokrystalloys eite me pixi ydrostagnwn!
To elaxisto shmeio sto opoio mporei na shmeiwthei diergasia pagokrystlloy h' phxh ydrostagonwn onomazetai epipedo pagopoihshs!To epipedo pagopoihshs diaferei apo th mhdenikh thermokrasia poy mporei na exei mia perioxh!!to epipedo pagopoihshs anaferetai mesa sthn atmosfaira!(dhl de shmainei oti an to epipedo pagopoihshs brisketai sta 1500 m oti exoyme 0 C se ayto to ypsos!
-60 me yperkoresmo ths taxhs toy 8!(genika koresmos megalyteros ths taxhs toy 15 einai poly dyskolo na paroysiastei sthn atmosfaira)!
Twra oson afora th 2 periptwsh h pixi mias ydrostagonas ginetai aytomata molis h T pesei katw apo toys -40!Exoyn omws paratirithei stagones se ypertixi se T poy plisiazoyn akoma kai toys -40!H stereopoihsh mias ydrostagonas se ypertixi se T >-40 dieykolynetai apo thn paroysia orismenwn swmatidiwn ta opoia droyn san pyrines pagopoihshs!Oi pyrhnes pagopoihshs exoyn omoia domi me ton pago!oi perissoteroi energopoioyntai se T <-12 kai gi'ayto oi pagokrystalloi arxizoyn na emfanizontai se ena nefos otan h T toy nefoys pesei katw apo -15 C!genika oi pyrines sympiknwshs pariexontai se afthonia sthn atmosfaira enw oi pyrines pagopoihshs einai spanioi!
Nefh poy ekteinontai panw apo th stathmh twn 0 C onomazontai psyxra nefh!ayta ta nefh apoteloyntai kyriws apo ydrostagonidia se ypertixi kai deytereyontws apo pagokrystalloys!mono ta tmimata twn psyxrwn nefwn poy briskontai panw apo th stathmh twn -40C apoteloyntai ex oloklhroy apo pagokrystalloys!nafh sta opoia synyparxoyn pagokrystalloi kai ydrostagonidia legontai meikta nefh!Se ena meikto nefos sympyknwnontai ydratmoi stoys pagokrystalloys kai exatmizontai oi ydrostagones!Se T elaxista mikroteres twn 0 c o rythmos ayxhshs twn pagokrystallwn einai sxedon idios me to rythmo ayxhshs twn ydrostagonwn!Gia T <-10 oi pagokrystalloi ayxanontai taxytata enw se T gyrw stoys
-15 C h diergasia ayth entonotath!
Oi pagokrystalloi kata thn kinisis toys pros thn epifaneia ths ghs ayxanontai eite me th synenwsh me alloys pagokrystalloys eite me pixi ydrostagnwn!
To elaxisto shmeio sto opoio mporei na shmeiwthei diergasia pagokrystlloy h' phxh ydrostagonwn onomazetai epipedo pagopoihshs!To epipedo pagopoihshs diaferei apo th mhdenikh thermokrasia poy mporei na exei mia perioxh!!to epipedo pagopoihshs anaferetai mesa sthn atmosfaira!(dhl de shmainei oti an to epipedo pagopoihshs brisketai sta 1500 m oti exoyme 0 C se ayto to ypsos!
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