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Pulsing and self-organization.

Kang, Daeseok.

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Pulsing and self-organization.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Pulsing and self-organization./
作者:	Kang, Daeseok.
面頁冊數:	285 p.
附註:	Chair: H. T. Odum.
Contained By:	Dissertation Abstracts International60-02B.
標題:	Biology, Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9919584
ISBN:	0599186917

Pulsing and self-organization.
Kang, Daeseok.

Pulsing and self-organization. - 285 p.

Chair: H. T. Odum.

Thesis (Ph.D.)--University of Florida, 1998.

The pulsing paradigm explains fluctuations observed in systems as the concurrent dynamic pulsing on many scales.

ISBN: 0599186917Subjects--Topical Terms:

1017726
Biology, Ecology.

Pulsing and self-organization.
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100 1 $a Kang, Daeseok. $3 1256766
245 1 0 $a Pulsing and self-organization.
300 $a 285 p.
500 $a Chair: H. T. Odum.
500 $a Source: Dissertation Abstracts International, Volume: 60-02, Section: B, page: 0453.
502 $a Thesis (Ph.D.)--University of Florida, 1998.
520 $a The pulsing paradigm explains fluctuations observed in systems as the concurrent dynamic pulsing on many scales.
520 $a This dissertation investigated systems designs to account for the pulsing paradigm, a general systems concept, that states that self-organization increases performance by accumulating storages, which are transferred to a higher consumer level in the energy hierarchy and fed back in sharp repeating pulses. Similar pulsing patterns were found in published data from many fields, and graphical analyses were made of published time series of plankton data of limnology and oceanography. Although the data appeared to be noisy and irregular, pulse amplitude was proportional to the time interval between pulses of similar size. Small-scale pulses were more frequent. Larger scale pulses delivered their effects in shorter time periods relative to their intervals. Such patterns may be explained as the result of simultaneous pulsing on several scales.
520 $a After review of simulation models by other investigators, alternative systems designs were simulated including a single simple producer-consumer-recycle model and compound combinations. Designs which generated time series like those observed in many fields were analyzed for their energy characteristics.
520 $a Simulation of the emergy (spelled with an “m”; the available energy of one kind required to make a product) flows and storages showed pulses to be high transformity, a hypothetical measure of feedback impact. Whereas the model with a single pulsing pair unit (e.g. consumer-resource unit) did not generate pulsing patterns when energy input was very low or very high, compound designs allowed excess input energy to be routed to the productivity of other pulsing units. The model with two producer-consumer-recycle units connected in parallel pulsed over a wide range of input energy levels and efficiencies. A hierarchy of pulses of different frequency was obtained when producer-consumer-recycle models were connected in series, with more frequent pulses in lower energy levels. The pulsing producer-consumer unit drew more power than a non-pulsing producer-consumer unit with similar calibrations. The theory that self-organization selects pulsing which increases performance of complex systems was compared with other theories for pulsing in various fields including economics and earth science.
590 $a School code: 0070.
650 4 $a Biology, Ecology. $3 1017726
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791 $a Ph.D.
792 $a 1998
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