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01 January 2009

Pemanasan global ?

Perubahan iklim, khususnya pemanasan global menjadi issue penting untuk Indonesia.
Umumnya orang sangat percaya dengan model iklim AR4 yang dipakai oleh IPCC, namun apakah prediksi model iklim IPCC akurat ?
Banyak ilmuwan lain yang menunjukkan kelemahan model iklim tsb, antara lain pengaruh siklus alam seperti aktivitas matahari, sinar kosmik galaktik dan letusan gunung berapi yang dahsyat masih belum terepresentasikan dengan baik dalam model iklim tsb.
Banyak ilmuwan (Svensmark, Shaviv, ....) yang berpendapat bahwa siklus alam lebih berpengaruh dari pada efek gas rumah kaca/ CO2  yang disebabkan oleh kendaraan bermotor dan pabrik.

1 comment:

Sains & Teknologi said...

Believe accuracy of IPCC climate projections is inadequate

Individuals in this section conclude that it is not possible to project global climate accurately enough to justify the ranges projected for temperature and sea-level rise over the next century. They do not conclude specifically that the current IPCC projections are either too high or too low, but that the projections are likely to be inaccurate due to inadequacies of current global climate modeling.
Hendrik Tennekes, retired Director of Research, Royal Netherlands Meteorological Institute: "The blind adherence to the harebrained idea that climate models can generate 'realistic' simulations of climate is the principal reason why I remain a climate skeptic. From my background in turbulence I look forward with grim anticipation to the day that climate models will run with a horizontal resolution of less than a kilometer. The horrible predictability problems of turbulent flows then will descend on climate science with a vengeance."[11]
Antonino Zichichi, emeritus professor of nuclear physics at the University of Bologna and president of the World Federation of Scientists : "models used by the Intergovernmental Panel on Climate Change (IPCC) are incoherent and invalid from a scientific point of view".

http://en.wikipedia.org/wiki/List_of_scientists_opposing_the_mainstream_scientific_assessment_of_global_warming