Global carbon cycle response to external forcing

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Аннотация

The characteristic temporal scales of response of the globally averaged climate model with the carbon cycle to external influences with the analysis of the spectrum of the linearized evolution operator of the corresponding dynamical system are evaluated. The model exhibits response time scales of about 4–6 years (related to the carbon dynamics in vegetation) and in the range of 20–100 years (related to the carbon dynamics in non-humified soil reservoirs). When taking into account the effect of humification in the model reveals the time scale of the response, which is on the order of several millennia. For the closed carbon cycle, a time scale of 102 years is revealed, which characterizes the joint changes in the atmospheric and ocean reservoirs. At high universality of the proposed approach it can be used for a wide range of tasks.

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Авторлар туралы

K. Savina

Lomonosov Moscow State University

Email: eliseev.alexey.v@mail.ru

физический факультет

Ресей, Moscow

A. Eliseev

Lomonosov Moscow State University; A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences; Kazan Federal University

Хат алмасуға жауапты Автор.
Email: eliseev.alexey.v@mail.ru

физический факультет

Ресей, Moscow; Moscow; Kazan

I. Mokhov

Lomonosov Moscow State University; A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences; Moscow Institute of Physics and Technology

Email: eliseev.alexey.v@mail.ru

Academician of the RAS

Ресей, Moscow; Moscow; Moscow

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Әрекет
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Жүктеу
2. Fig. 1. Time intervals of response to external influences for option 3 the model (depending on the values of its parameters). The eigenvalue number of the linearized evolution operator for the model under consideration is indicated along the abscissa axis .

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Метадеректер
3. Fig. 2. Similar to Fig. 1, but for variant 4 of the model.

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Метадеректер

© Russian Academy of Sciences, 2024

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