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pro vyhledávání: '"Ditlevsen, Peter D."'
Tipping to an undesired state in the climate when a control parameter slowly approaches a critical value is a growing concern with increasing greenhouse gas concentrations. Predictions rely on detecting early warning signals (EWSs) in observations of
Externí odkaz:
http://arxiv.org/abs/2304.09160
Tipping points (TP) in climate sub-systems are usually thought to occur at a well-defined, critical forcing parameter threshold, via destabilization of the system state by a single, dominant positive feedback. However, coupling to other sub-systems,
Externí odkaz:
http://arxiv.org/abs/2304.05664
Autor:
Nyman, Karl H. M., Ditlevsen, Peter D.
The increase in glacial cycle length from approximately $41$ to on average $100$ thousand years around $1$ million years ago, called the Middle Pleistocene Transition (MPT), lacks a conclusive explanation. We describe a dynamical mechanism which we c
Externí odkaz:
http://arxiv.org/abs/1901.01523
Autor:
Lohmann, Johannes, Ditlevsen, Peter D.
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2021 Mar 01. 118(9), 1-6.
Externí odkaz:
https://www.jstor.org/stable/27027384
Akademický článek
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Publikováno v:
Phys. Rev. Fluids 2, 054607 (2017)
Three-dimensional (3D) turbulence is characterized by a dual forward cascade of both kinetic energy and helicity, a second inviscid flow invariant, from the integral scale of motion to the viscous dissipative scale. In helical flows, however, such as
Externí odkaz:
http://arxiv.org/abs/1610.03879
Publikováno v:
Phys. Rev. E 94, 033115 (2016)
Fully developed homogeneous isotropic turbulence in 2D is fundamentally different from 3D. In 2D, the simultaneous conservation of both energy and enstrophy in the inertial ranges of scales leads to a forward cascade of enstrophy and a reverse cascad
Externí odkaz:
http://arxiv.org/abs/1602.02553
Autor:
Ditlevsen, Peter D.
Afhandling--Naturvidenskabelige Fakultet--Københavns universitet, 2004.
Résumé en danois. Bibliogr. p. 319-338.
Résumé en danois. Bibliogr. p. 319-338.
Externí odkaz:
http://catalogue.bnf.fr/ark:/12148/cb41081541g