Characteristic Numbers of Tidal Energy Transport - Revision history

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2022-10-21T09:43:24Z

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← Older revision		Revision as of 09:43, 21 October 2022
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	* transmitted energy (work due to perturbation pressure) by the tidal wave, as well as the		* transmitted energy (work due to perturbation pressure) by the tidal wave, as well as the
	* flux of kinetic energy		* flux of kinetic energy
	within the period of data analysis.		within the [[period of data analysis]].

	From these, conclusions can be drawn with respect to the (residual) transport as well as dissipation of (barotropic) tidal energy. The mean energy flux is typically dominated by the perturbation pressure work of the tidal wave.		From these, conclusions can be drawn with respect to the (residual) transport as well as dissipation of (barotropic) tidal energy. The mean energy flux is typically dominated by the perturbation pressure work of the tidal wave.

imported>Lang Guenther: /* Definitions for the tide-independent characteristic numbers of water transport */ text added

2015-04-28T09:11:54Z

Definitions for the tide-independent characteristic numbers of water transport: text added

← Older revision		Revision as of 09:11, 28 April 2015
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	# Dujuan Kang and Oliver Fringer, 2012: ''Energetics of Barotropic and Baroclinic Tides in the Monterey Bay Area''. Journal of Physical Oceanography, 42, 272–290. doi: [http://dx.doi.org/10.1175/JPO-D-11-039.1 http://dx.doi.org/10.1175/JPO-D-11-039.1].		# Dujuan Kang and Oliver Fringer, 2012: ''Energetics of Barotropic and Baroclinic Tides in the Monterey Bay Area''. Journal of Physical Oceanography, 42, 272–290. doi: [http://dx.doi.org/10.1175/JPO-D-11-039.1 http://dx.doi.org/10.1175/JPO-D-11-039.1].

	==Definitions for the tide-independent characteristic numbers of ~~water~~ transport==		==Definitions for the tide-independent characteristic numbers of tidal energy transport==

	'''An automatic analysis is carried through by the computer program [[NCANALYSE]].'''		'''An automatic analysis is carried through by the computer program [[NCANALYSE]].'''

	===Divergence of ~~Horizontal Water Transport~~===		===Divergence of horizontal barotropic tidal energy transport===
	(Mean) divergence (~~m3 s-1~~) of ~~the~~ horizontal ~~volume~~ flux within the period of analysis for all computational cells (control volumes).<br />		(Mean) divergence (MW) of horizontal barotropic energy flux within the period of analysis for all computational cells (control volumes). Divergence is actually computed taking
			* energy flux due to horizontal barotropic pressure work by the tidal wave, and
			* flux of barotropic kinetic energy
			into acount.<br />
	''No example graphics available yet''. <br />		''No example graphics available yet''. <br />
	Data analysis: [[NCANALYSE]].		Data analysis: [[NCANALYSE]].

	===Horizontal ~~Volume Flux~~===		===Horizontal energy flux due to perturbation pressure work===
	(Mean) horizontal ~~volume~~ flux (~~m3 s-1~~) for the period of analysis at ~~computational~~ edges (lateral faces of control volumes).<br />		(Mean) horizontal energy flux (MW) for the period of analysis at edges (lateral faces of control volumes).<br />
	''No example graphics available yet''. <br />		''No example graphics available yet''. <br />
	Data analysis: [[NCANALYSE]].		Data analysis: [[NCANALYSE]].

	===~~Rainfall and Evaporation===~~		===Horizontal energy flux due to transport of kinetic energy===
	~~(Mean) volume~~ flux ~~(m3 s-1) within the period of analysis for computational cells (through surfaces~~ of ~~control volumes).<br />~~		(Mean) horizontal energy flux (MW) for the period of analysis at edges (lateral faces of control volumes).<br />
	~~''No example graphics available yet''. <br />~~
	~~Data analysis: [[NCANALYSE]].~~

	~~===Sources and Sinks~~===
	(Mean) ~~volume~~ flux (~~m3 s-1~~) ~~within~~ the period of analysis ~~due to sources and sinks within computational cells~~ (control volumes).<br />
	''No example graphics available yet''. <br />		''No example graphics available yet''. <br />
	Data analysis: [[NCANALYSE]].		Data analysis: [[NCANALYSE]].

imported>Lang Guenther: /* Motivation */ text added

2015-04-28T09:03:08Z

Motivation: text added

← Older revision		Revision as of 09:03, 28 April 2015
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	==Motivation==		==Motivation==

	Computation as well as visualization of the tide independent characteristic numbers of ~~water~~ transport ~~(volume fluxes)~~ gives some insight into the		Computation as well as visualization of the tide independent characteristic numbers of tidal barotropic energy transport gives some insight into the (mean)
	* local ~~(rate~~ of ~~change) of water volume~~,		* local dissipation of tidal energy,
	* ~~mean~~ (~~horizontal) water transport (volume flux~~),		* transmitted energy (work due to perturbation pressure) by the tidal wave, as well as the
	* significance of rainfall and evaporation, as well as the		* flux of kinetic energy
	* ~~strength~~ of ~~sources and sinks~~
	within the period of data analysis.		within the period of data analysis.

	From these, conclusions can be drawn on the ~~mean~~ (residual) transport ~~of water. For estuaries, fresh water flow, bathymetry,~~ as well as ~~wind shear~~ are ~~considered to~~ be ~~the main influencing factors~~. ~~Beyond that~~, ~~the following non-linearities are also of some significance~~: ~~nonlinear propagation speed~~ of the ~~tidal wave~~, ~~bottom friction and advection~~.		From these, conclusions can be drawn with respect to the (residual) transport as well as dissipation of (barotropic) tidal energy. The mean energy flux is typically dominated by the perturbation pressure work of the tidal wave.

			During computation within [[UNTRIM2007]] and [[UNTRIM2]] only the two most significant terms (processes) are taken into account so far (see above). For this reason dissipation can only be approximately determined. Its magnitude should be correct anyway for estuaries with significant tidal range.

			Literature:
			# Dujuan Kang and Oliver Fringer, 2012: ''Energetics of Barotropic and Baroclinic Tides in the Monterey Bay Area''. Journal of Physical Oceanography, 42, 272–290. doi: [http://dx.doi.org/10.1175/JPO-D-11-039.1 http://dx.doi.org/10.1175/JPO-D-11-039.1].

	==Definitions for the tide-independent characteristic numbers of water transport==		==Definitions for the tide-independent characteristic numbers of water transport==

imported>Lang Guenther: text copied from water transport, saved without changes

2015-04-28T08:16:50Z

text copied from water transport, saved without changes

New page

[[de:Tideunabhängige Kennwerte des Tide-Energietransports]]
[[category:Characteristic Numbers (independent of the presence of tides)]]

==Motivation==

Computation as well as visualization of the tide independent characteristic numbers of water transport (volume fluxes) gives some insight into the
* local (rate of change) of water volume,
* mean (horizontal) water transport (volume flux),
* significance of rainfall and evaporation, as well as the
* strength of sources and sinks
within the period of data analysis.

From these, conclusions can be drawn on the mean (residual) transport of water. For estuaries, fresh water flow, bathymetry, as well as wind shear are considered to be the main influencing factors. Beyond that, the following non-linearities are also of some significance: nonlinear propagation speed of the tidal wave, bottom friction and advection.

==Definitions for the tide-independent characteristic numbers of water transport==

'''An automatic analysis is carried through by the computer program [[NCANALYSE]].'''

===Divergence of Horizontal Water Transport===
(Mean) divergence (m3 s-1) of the horizontal volume flux within the period of analysis for all computational cells (control volumes). 
''No example graphics available yet''. 
Data analysis: [[NCANALYSE]].

===Horizontal Volume Flux===
(Mean) horizontal volume flux (m3 s-1) for the period of analysis at computational edges (lateral faces of control volumes). 
''No example graphics available yet''. 
Data analysis: [[NCANALYSE]].

===Rainfall and Evaporation===
(Mean) volume flux (m3 s-1) within the period of analysis for computational cells (through surfaces of control volumes). 
''No example graphics available yet''. 
Data analysis: [[NCANALYSE]].

===Sources and Sinks===
(Mean) volume flux (m3 s-1) within the period of analysis due to sources and sinks within computational cells (control volumes). 
''No example graphics available yet''. 
Data analysis: [[NCANALYSE]].

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back to [[Analysis of Calculated Results]]
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[[Overview]]