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jet li

Polul Nord se dezgheata

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http://www.socc.ca/seaice/seaice_current_e.cfm

http://www.nasa.gov/centers/goddard/news/t...ce_decline.html

current.png

In perioada de vara suprafata inghetata scade dar anul asta a scazut mai mult decat oricand.

http://intothegreyzone.blogspot.com/

The sea ice minimum in the 1970s was 5.5 million square kilometers. Then in the 1980s it was 5.0 million square kilometers. Then in the 1990s it reached 4.5 million square kilometers. Then by 2005 we touched 4.01 million square kilometers as the prior record.

 

Then comes 2007. Oh my, does 2007 come roaring by! On August 9, 2007 we set a new record low of 3.98 million square kilometers! But just 19 days later we set a new minimum of 2.99 million square kilometers.

 

Did you get that yet? We lost one million square kilometers of sea ice in 19 days. People told me in email that I was nuts for projecting a sea ice free arctic by 2010 but guess who is laughing now? The jackasses out there still refuse to acknowledge that we are in a positive feedback loop. The change in sea ice level is definitely not linear yet the IPCC still refuses to model it any way except linear! And all of that open water is dark color and absorbs yet more heat rather than white and reflecting it away. What is this doing to the Greenland ice sheet? Anyone care to speculate? It sure is not going to make that ice sheet colder or more stable!

 

Puteti da play la siteul de mai sus si observati cum 1 milion de km patrati de gheata dispar in 19 zile.

Gheata reflecta razele soarelui, marea libera le absoarbe. Cu cat e mai putina gheata cu atat zona se incalzeste mai repede cea ce duce la si mai putina gheata cea ce duce din nou la mai multa mare libera etc

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Nu polul,ci calota glaciara de linga acesta. Cred ca stii ca polul nord nu este ceva ''palpabil''. In fine,problema e veche,in Arctica cele mai mari efecte ale incalzirii globale s-au simtit in insulele Svalbard si au fost inregistrate la statia de cercetare meteorologica din orasul Longyearbyen. Se pare ca temperatura a crescut acolo cu 4 grade in doar 12 ani.

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Si pt. cei care nu au citit acel articol, e vorba despre pericolul unei penurii globale, cu stocurile de hrana inregistrand cel mai scazut nivel al ultimilor 25 de ani si cu un viitor incert pe masura ce productia mai multor tari este afectata de schimbarile climaterice.

Exact.

Edited by harald

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Eu nu stiu daca numai oamenii sunt de vina pentru schimbarile de clima.

NASA despre topirea ghetii la pol in 2003

Similar to how a white shirt helps keep a person cooler in the summer than a black shirt, the vast stretches of polar ice covering much of the planet's top and bottom reflect large amounts of solar radiation falling on the planet's surface. Were the ice caps to appreciably recede, sunlight that otherwise would have been reflected back into space would get absorbed by the darker, denser mass of ocean and land beneath. As light is absorbed, the environment is heated, thus intensifying a feedback loop: a warmer planet yields more ice melting thus an even warmer planet.

 

La pol gheata se topeste in fiecare vara apoi iarna ingheata din nou. Dar gheata care se formeaza intr-un an nu e la fel ca cea ramasa de sute de ani, asa ca in fiecare vara se topeste tot mai mult.

Pana la urma vara o sa ajunga sa fie aproape fara gheata, cu cat e mai multa suprafata de mare libera cu atat incalzirea e mai rapida, care duce la o topire si mai rapida si tot asa

 

NASA despre Groenlanda in 2007

 

Gheata care pluteste nu conteaza ca se topeste, nu face sa creasca nivelul marii. Dar gheata reflecta razele soarelui prevenind incalzirea. Fara gheata inseamna mai multa incalzire, cea ce poate duce la topirea ghetii din Groenlanda - aceea e gheata care sta pe pamant si daca se topeste toata poate duce la cresterea nivelului marii cu 6 m

 

 

Harald in Ungaria si Polonia poate fi seceta. Nu asa se rezolva o problema pasand-o la altii. "Nu se face grau ? Cumparam, bani sunt, la altii sigur se face" Buna rezolvare, sa depinzi de altii

Edited by jet li

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Harald in Ungaria si Polonia poate fi seceta. Nu asa se rezolva o problema pasand-o la altii. "Nu se face grau ? Cumparam, bani sunt, la altii sigur se face" Buna rezolvare, sa depinzi de altii

 

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Comertul e bun, sa te bazezi pe el nu.

Nu am solutii daca peste tot productia e afectata de seceta, inundatii, sau ce mai o fi, doar ma gandesc cat de usor rezolva unii pe la tv problema : "In Romania e seceta, productia e mai slaba o sa trebuiasca sa importam e simplu"

Despre petrol si agricultura :

http://www.harpers.org/archive/2004/02/0079915

http://dieoff.org/index.htm#commons

Edited by jet li

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Multumim, stiam asta....dar nu putem face noi nimic

Noi..ma refer ca simpli cetateni

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