Extensional viscosity - Revision history

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2014-08-17T20:16:59Z

Not referenced and possible spam using AWB (10370)

← Older revision		Revision as of 22:16, 17 August 2014
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	Hi there. Let me ~~begin~~ by introducing the ~~writer~~, her ~~name~~ is Sophia ~~Boon but she never really favored that title~~. ~~One of the extremely very best things in the globe for him is doing ballet and he'll be beginning some thing else alongside with it. North Carolina~~ is exactly where ~~we've been residing for years~~ and ~~will~~ [http://~~checkmates~~.~~co.za~~/index.php?do=/profile-~~56347~~/info/ ~~accurate psychic~~ readings] ~~readings ([http://kjhkkb~~.~~net/xe/notice/374835 kjhkkb~~.~~net]) by no means move. Invoicing is what~~ I ~~do for a living~~ but I'~~ve usually needed my personal company~~.<br><br>~~Also visit my website~~: [http://~~black7~~.~~mireene~~.com/~~aqw~~/~~5741 live psychic reading~~]		Hi there. Let me start by introducing the author, her title is Sophia. Distributing manufacturing is exactly where my primary earnings comes from and [http://formalarmour.com/index.php?do=/profile-26947/info/ tarot card readings] it's something I really enjoy. What me and my family adore is to climb but I'm considering on starting something new. My wife and I live in Mississippi but now I'm considering other options.<br><br>My blog post - accurate [http://www.onbizin.co.kr/xe/?document_srl=320614 authentic psychic readings] readings ([http://brazil.amor-amore.com/irboothe http://brazil.amor-amore.com/irboothe])

129.13.72.198 at 11:39, 27 February 2014

2014-02-27T11:39:43Z

← Older revision		Revision as of 13:39, 27 February 2014
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	~~{{Underlinked\|date=December 2012}}~~		Hi there. Let me begin by introducing the writer, her name is Sophia Boon but she never really favored that title. One of the extremely very best things in the globe for him is doing ballet and he'll be beginning some thing else alongside with it. North Carolina is exactly where we've been residing for years and will [http://checkmates.co.za/index.php?do=/profile-56347/info/ accurate psychic readings] readings ([http://kjhkkb.net/xe/notice/374835 kjhkkb.net]) by no means move. Invoicing is what I do for a living but I've usually needed my personal company.<br><br>Also visit my website: [http://black7.mireene.com/aqw/5741 live psychic reading]
	~~'''Crop coefficients''' are properties of [[plant]]s used in predicting [[evapotranspiration]] (ET)~~. ~~The most basic crop coefficient, ''K''<sub>c</sub>~~, is ~~simply the ratio of ET observed for the crop studied over~~ that ~~observed for the well calibrated reference crop under the same conditions~~.

	~~<math> PET = K_c * RET</math>~~

	~~Potential evapotranspiration (PET), is the [[evaporation]] and [[transpiration]] that potentially could occur if a [[Field (agriculture)\|field]]~~ of the ~~crop had an ideal unlimited [[water supply]]. RET is~~ the ~~reference ET often denoted as ET<sub>0</sub>.~~

	~~Even in [[agricultural crop]]s, where ideal conditions are approximated as much as~~ is ~~practical, plants are not always growing (~~and ~~therefore transpiring) at their theoretical potential. Plants have growth stages and states of health induced by a variety of environmental conditions.~~

	~~RET usually represents the PET of the reference crop's most active growth. ''K'~~'~~<sub>c</sub> then becomes a function or series of values specific to the crop of interest through its growing season. These can~~ be ~~quite elaborate in the case of certain maize varieties, but tend to use a trapezoidal or [[leaf area index]] (LAI) curve for common crop or vegetation canopies~~.

	~~[[Stress coefficient]]s, ''K'~~'~~<sub>s</sub>, account~~ for ~~diminished ET due to specific~~ [~~[stress factor]]s. These are often assumed to combine by multiplication.~~

	~~<math>ET_{estimate} = K_w * K_{s_1} * K_{s_2} * K_c * ET_o<~~/~~math>~~

	~~Water stress is the most ubiquitous stress factor, often denoted as ''K''<sub>w<~~/~~sub>~~. ~~Stress coefficients tend to be functions ranging between 0 and 1~~. ~~The simplest are linear, but thresholds are appropriate for some toxicity responses~~. ~~Crop coefficients can exceed 1 when the crop evapotranspiration exceeds that of RET.~~

	~~==References==~~
	~~{{reflist}}~~
	* {{cite book \|last=Allen \|first=R.G. \|coauthors=Pereira, L.S.; Raes, D.; Smith, M. \|title=Crop Evapotranspiration—Guidelines for Computing Crop Water Requirements \|url=http://~~www~~.~~fao.org~~/~~docrep~~/~~X0490E~~/~~x0490e00~~.~~HTM \|accessdate=2007-11-24 \|series=FAO Irrigation and drainage paper 56 \|year=1998 \|publisher=Food and Agriculture Organization of the United Nations \|location=Rome, Italy \|isbn=92-5-104219-5 }}~~

	~~Stannard, D~~.I.~~, Gannett, M.W., Polette, D.J., Cameron, J.M., Waibel, M.S., and Spears, J.M., 2013, Evapotranspiration from marsh and open-water sites at Upper Klamath Lake, Oregon, 2008–2010~~: ~~U.S. Geological Survey Scientific Investigations Report 2013–5014, 66 p.~~ http://~~pubs~~.~~usgs~~.~~gov/sir~~/~~2013~~/~~5014~~
	~~[[Category:Plant physiology]]~~
	~~[[Category:Hydrology]~~]

en>Addbot: Bot: Migrating 2 interwiki links, now provided by Wikidata on d:q127694

2013-03-17T17:37:16Z

Bot: Migrating 2 interwiki links, now provided by Wikidata on d:q127694

← Older revision		Revision as of 19:37, 17 March 2013
Line 1:		Line 1:
	~~Hello~~, ~~my title~~ is ~~Andrew~~ and ~~my spouse doesn't like it~~ at ~~all~~. ~~My wife~~ and ~~I live~~ in ~~Mississippi~~ but ~~now I~~'~~m contemplating other choices~~. ~~He is an info officer~~. ~~To play lacross~~ is the ~~thing I adore~~ most ~~of all.~~<br><br>~~Look into my homepage accurate psychic predictions - [~~http://si.~~dgmensa~~.org/xe/~~index~~.~~php?document_srl~~=~~48014&mid~~=~~c0102 click~~ the ~~following page~~] -		{{Underlinked\|date=December 2012}}
			'''Crop coefficients''' are properties of [[plant]]s used in predicting [[evapotranspiration]] (ET). The most basic crop coefficient, ''K''<sub>c</sub>, is simply the ratio of ET observed for the crop studied over that observed for the well calibrated reference crop under the same conditions.

			<math> PET = K_c * RET</math>

			Potential evapotranspiration (PET), is the [[evaporation]] and [[transpiration]] that potentially could occur if a [[Field (agriculture)\|field]] of the crop had an ideal unlimited [[water supply]]. RET is the reference ET often denoted as ET<sub>0</sub>.

			Even in [[agricultural crop]]s, where ideal conditions are approximated as much as is practical, plants are not always growing (and therefore transpiring) at their theoretical potential. Plants have growth stages and states of health induced by a variety of environmental conditions.

			RET usually represents the PET of the reference crop's most active growth. ''K''<sub>c</sub> then becomes a function or series of values specific to the crop of interest through its growing season. These can be quite elaborate in the case of certain maize varieties, but tend to use a trapezoidal or [[leaf area index]] (LAI) curve for common crop or vegetation canopies.

			[[Stress coefficient]]s, ''K''<sub>s</sub>, account for diminished ET due to specific [[stress factor]]s. These are often assumed to combine by multiplication.

			<math>ET_{estimate} = K_w * K_{s_1} * K_{s_2} * K_c * ET_o</math>

			Water stress is the most ubiquitous stress factor, often denoted as ''K''<sub>w</sub>. Stress coefficients tend to be functions ranging between 0 and 1. The simplest are linear, but thresholds are appropriate for some toxicity responses. Crop coefficients can exceed 1 when the crop evapotranspiration exceeds that of RET.

			==References==
			{{reflist}}
			* {{cite book \|last=Allen \|first=R.G. \|coauthors=Pereira, L.S.; Raes, D.; Smith, M. \|title=Crop Evapotranspiration—Guidelines for Computing Crop Water Requirements \|url=http://www.fao.org/docrep/X0490E/x0490e00.HTM \|accessdate=2007-11-24 \|series=FAO Irrigation and drainage paper 56 \|year=1998 \|publisher=Food and Agriculture Organization of the United Nations \|location=Rome, Italy \|isbn=92-5-104219-5 }}

			Stannard, D.I., Gannett, M.W., Polette, D.J., Cameron, J.M., Waibel, M.S., and Spears, J.M., 2013, Evapotranspiration from marsh and open-water sites at Upper Klamath Lake, Oregon, 2008–2010: U.S. Geological Survey Scientific Investigations Report 2013–5014, 66 p. http://pubs.usgs.gov/sir/2013/5014
			[[Category:Plant physiology]]
			[[Category:Hydrology]]

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2012-01-17T00:59:19Z

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