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Old 06-08-2009, 21:02   #101 (permalink)
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"Specialistii" spun multe: "Global warming will step up after 2009: scientists"
"The real heat will start after 2009, they said." Global warming will step up after 2009: scientists | Reuters
 
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Old 06-08-2009, 21:20   #102 (permalink)
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Articolul e de acum doi ani, oldshooterman. Nu sunt sustinator/detractor fervent al incalzirii/racirii globale pentru ca imi dau seama ca nu avem destule informatii pentru a crea modele viabile. Mai citeste cate ceva si despre activitatea solara din prezent aici si aici, foarte asemanatoare cu cea din mica era glaciara. Bikini sau haina de blana, ce port la pensie, asta e dilema mea .
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Old 06-08-2009, 21:28   #103 (permalink)
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Nu are importanta ca articolul e din 2007. Simularile se fac in functie de anumite date culese pe perioade lungi de timp, iar cele mai cunoscute simulari pe supercomputere sugereaza o incalzire globala. Soarele are o "problema" cunoscuta in perioada asta si se asteapta o "eruptie" serioasa in urmatorii ani.

Sau altii sustin ca:"Suggesting that the warming might possibly slow down or even stagnate for a few years before rapid warming commences again..."When the climate kicks back out of this state, we'll have explosive warming," Swanson said. "Thirty years of greenhouse gas radiative forcing will still be there and then bang, the warming will return and be very aggressive." http://dsc.discovery.com/news/2009/0...ing-pause.html
 
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Old 06-08-2009, 21:38   #104 (permalink)
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ma intreb pe ce lume traieste individul respectiv cand afirma ca temperaturile nu au mai crescut dupa 98. E de ajuns sa vad canicula din bucuresti.

Uite si un grafic: http://amfostacolo.ro/temperaturi.ph...a&sid=1174&l=2

alt articol: http://www.antena3.ro/stiri/meteo/eu...rad_54676.html
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Old 06-08-2009, 21:49   #105 (permalink)
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Global Warming Predictions: APOD: 2009 April 21 - Global Warming Predictions
 
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Old 06-08-2009, 22:30   #106 (permalink)
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Nu are importanta ca articolul e din 2007. Simularile se fac in functie de anumite date culese pe perioade lungi de timp, iar cele mai cunoscute simulari pe supercomputere sugereaza o incalzire globala. Soarele are o "problema" cunoscuta in perioada asta si se asteapta o "eruptie" serioasa in urmatorii ani.
Cine ti-a spus asta? Nu da link-uri de pe discovery channel, te rog. Ia un link de la NASA sau de la NOAA:The panel has decided that the next solar cycle will be below average in intensity.
Vorba ta, cele mai cunoscute simulari prezic o incalzire globala. Faptul ca au fost mai mult popularizate, incadrandu-se in curentul general, nu le face mai credibile. Sunt multe alte predictii ce le contrazic, ale unor oameni de stiinta carora le-a fost pus pumnul in gura. Deocamdata nu pot da dreptate unei parti sau alteia, nu sunt suficiente variabilele introduse in simulari(sau nu am reusit sa descifram importanta lor), scenarii sunt multe. Pe mine doar ma scot din sarite cei care inghit orice li se baga sub ochi fara sa-si puna o clipa intrebarea daca e real sau nu.
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Old 06-08-2009, 22:37   #107 (permalink)
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Simularea din postul anterior e facuta tot de specialisti care lucreaza cu NASA. Parerile sint impartite pentru ca se lucreaza cu "modele" diferite.

Sau daca vrei grafice de la specialisti NASA: http://www.drroyspencer.com/2009/05/...-simple-model/

Last edited by oldshooterman; 06-08-2009 at 23:01..
 
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Old 06-08-2009, 22:48   #108 (permalink)
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nina, un motor nu este bine sa il tii supra-turat nici macar in zapada. Daca intelegi ce vreau sa zic. Daca nu iti fac si o traducere: incalzirea globala este un pericol, chiar daca faptul ca racirea soarelui in urmatoarea perioada ii va atenua efectele.

In momentul in care zapada aia s-a dus motorul nu se va simti prea bine.
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Old 06-08-2009, 23:07   #109 (permalink)
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Activitatea solara se schimba la intervale mici de timp, nu prea conteaza ce se intimpla la intervale de citiva ani, dar din grafice se vede clar ca trendul in ceea ce priveste incalzirea e crescator, chiar daca e oscilant.
 
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Old 07-08-2009, 07:28   #110 (permalink)
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din grafice se vede clar
Din care grafice? Cele care urmaresc temperatura medie dintr-o luna pe ultimii 3 ani?

Fluctuatii pe perioade de un sezon/cateva sezoane au existat si inainte, dar pentru ca lumea nu se ocupa de meteorologie si mass-media nu exista toti oamenii dormeau linistiti si-si vedeau de treaba. Acum moda impune sa ne smulgem parul din cap la orice articol de pe rense.com sau libertatea.ro in care se prezic lucruri apocaliptice.
In afara de asta exista si "intelepciunea" populara care ne duce la comparatii de genul "n-am mai vazut asa canicula de cand sunt" sau "cand eram eu mic era mult mai rece".
 
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Old 07-08-2009, 19:49   #111 (permalink)
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Din care grafice? Cele care urmaresc temperatura medie dintr-o luna pe ultimii 3 ani?

Fluctuatii pe perioade de un sezon/cateva sezoane au existat si inainte, dar pentru ca lumea nu se ocupa de meteorologie si mass-media nu exista toti oamenii dormeau linistiti si-si vedeau de treaba. Acum moda impune sa ne smulgem parul din cap la orice articol de pe rense.com sau libertatea.ro in care se prezic lucruri apocaliptice.
In afara de asta exista si "intelepciunea" populara care ne duce la comparatii de genul "n-am mai vazut asa canicula de cand sunt" sau "cand eram eu mic era mult mai rece".
OK, grafice si analize complexe sa fie...(National Oceanic and Atmospheric Administration sint destul de OK ca incredere?)

"Global surface temperatures have increased about 0.74°C (plus or minus 0.18°C) since the late-19th century, and the linear trend for the past 50 years of 0.13°C (plus or minus 0.03°C) per decade is nearly twice that for the past 100 years.
Indirect indicators of warming such as borehole temperatures, snow cover, and glacier recession data, are in substantial agreement with the more direct indicators of recent warmth.
According to the range of possible forcing scenarios, and taking into account uncertainty in climate model performance, the IPCC projects a best estimate of global temperature increase of 1.8 - 4.0°C with a possible range of 1.1 - 6.4°C by 2100, depending on which emissions scenario is used."
http://www.ncdc.noaa.gov/oa/climate/globalwarming.html
 
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Old 09-08-2009, 15:50   #112 (permalink)
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Eh, asa mai da, treisfert' de grad (plus-minus dooşcinci la suta) intr-o suta si ceva de ani pare mai realist. Ce ne facem acum cu cei care pretind ca incalzirea se simte cu lejeritate, aducand ca proba faptul ca verile nu erau atat de calde cand erau ei mici?
 
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Old 09-08-2009, 16:55   #113 (permalink)
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Ce ne facem acum cu cei care pretind ca incalzirea se simte cu lejeritate, aducand ca proba faptul ca verile nu erau atat de calde cand erau ei mici?
Nu erau ei atat de grasi pe cat sunt acum.
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Old 09-08-2009, 20:00   #114 (permalink)
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Eh, asa mai da, treisfert' de grad (plus-minus dooşcinci la suta) intr-o suta si ceva de ani pare mai realist.
Daca urmaresti cu atentie problema poti observa ca procesul e accelerat. O incalzire de inca 2 grade in 100 de ani ar avea urmari foarte grave, iar o incalzire de 6 grade ar fi catastrofala.
 
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Old 09-08-2009, 21:39   #115 (permalink)
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din cate stiu si imi zic si ai mei pe timpul verii inainte de 2000 termometrul nu trecea aproape niciodata de 26 de grade in casa, acuma ajunge si pe la 29 si fara clima ar fi horror
 
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Old 09-08-2009, 23:00   #116 (permalink)
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Deocamdata cam toate scenariile indica o evolutie mai mult sau mai putin nasoala. Si la noi va fi cald, mai ales in Bucuresti... (iar in America de Sud unde si-au batut joc de padurea amazoniana va fi dezastru...)
File:Global Warming Predictions.png - Wikipedia, the free encyclopedia
 
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Old 10-08-2009, 00:33   #117 (permalink)
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ivan, ok, poate esti mai mic si nu ai prins iernile de dinainte de 95, cu zapada din noiembrie pana in martie. Si nu zapada de 2-3 cm. Asta e, unii e mai tineri

Lasa ca zic mai bine staticile cu juma de grad la suta de ani.
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Old 10-08-2009, 12:45   #118 (permalink)
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Am prins si iernile dinainte de 85, cand se prelungea vacanta de iarna din cauza zapezii, dar nu concluzionez din asta ca s-a incalzit vremea

FFS, acum cateva saptamani a nins in Atacama. Ce se-ntampla, vine epoca glaciara peste noi?
 
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Old 10-08-2009, 13:01   #119 (permalink)
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ultima stire citita despre schimbarile climaterice exact asta spunea, ca urmeaza o racire globala. eu preferam de departe o incalzire globala...
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Old 10-08-2009, 14:12   #120 (permalink)
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Am prins si iernile dinainte de 85, cand se prelungea vacanta de iarna din cauza zapezii, dar nu concluzionez din asta ca s-a incalzit vremea
Dar ce concluzionezi din asta? Ca s-a suparat mos craciun pe noi si nu ne mai da zapada ca altadata?
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