On the decrease of Arctic sea ice volume
Michael Hilmer,Peter Lemke +1 more
TL;DR: In this paper, the authors investigated the decrease of Arctic sea ice volume using a dynamic-thermodynamic sea ice model, which was forced with NCEP/NCAR reanalysis winds and surface air temperatures in a hindcast simulation of the period 1958-1998.
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Abstract: The decrease of Arctic sea ice volume is investigated using a dynamic-thermodynamic sea ice model. The model was forced with NCEP/NCAR reanalysis winds and surface air temperatures in a hindcast simulation of the period 1958–1998. The simulation reveals pronounced decadal variability (10–12 years) along with a significant linear negative trend of total Arctic sea ice volume which amounts to −4%/decade. The decrease is apparent throughout the annual cycle with largest amplitudes from September to December. Regionally the strongest thinning of ice thickness occurs in the East Siberian Sea with magnitudes up to −30 cm/decade. The simulation also reveals some positive trends in the Baffin Bay/Labrador Sea and north of the Canadian Archipelago.
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References
The NCEP/NCAR 40-Year Reanalysis Project
Eugenia Kalnay,Masao Kanamitsu,Robert Kistler,William D. Collins,D.G. Deaven,L. S. Gandin,M. Iredell,Suranjana Saha,Glenn H. White,John S. Woollen,Yuejian Zhu,Muthuvel Chelliah,Wesley Ebisuzaki,Wayne Higgins,John E. Janowiak,Kingtse C. Mo,Chester F. Ropelewski,Julian X. L. Wang,Ants Leetmaa,Richard W. Reynolds,Roy L. Jenne,Dennis Joseph +21 more
TL;DR: The NCEP/NCAR 40-yr reanalysis uses a frozen state-of-the-art global data assimilation system and a database as complete as possible, except that the horizontal resolution is T62 (about 210 km) as discussed by the authors.
30.4K
•Book
Climate Change 1995: The Science of Climate Change
John Theodore Houghton,L. G. Meira Filho,B. A. Callander,N. Harris,A. Kattenberg,K. Maskell +5 more
- 01 Jun 1996
TL;DR: The most comprehensive and up-to-date assessment available for scientific understanding of human influences on the past present and future climate is "Climate Change 1995: The Science of Climate Change" as mentioned in this paper.
4.6K
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Statistical Analysis in Climate Research
Hans von Storch,Francis W. Zwiers +1 more
- 04 Mar 2002
TL;DR: This chapter discusses statistical concepts in climate research, as well as time series and stochastic processes, and some of the techniques used to estimate covariance functions and spectra.
A Dynamic Thermodynamic Sea Ice Model
TL;DR: A numerical model for the simulation of sea ice circulation and thickness over a seasonal cycle is presented in this paper, which is used to investigate the effects of ice dynamics on Arctic ice thickness and air-sea heat flux characteristics.
2.2K