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In [[meteorology]] and [[hydrology]], the '''Bowen ratio''' is used to describe the type of [[heat transfer]] in a water body. Heat transfer can either occur as sensible heat (differences in temperature without [[evapotranspiration]]) or [[latent heat]] (the energy required during a change of state, without a change in temperature).  The Bowen ratio is the mathematical method generally used to calculate heat lost (or gained) in a substance; it is the ratio of energy fluxes from one state to another by [[sensible heat|sensible]] and latent heating respectively. It is calculated by the equation:
What determines the beauty of the female body has seemingly changed over time and cultures. Were not the models chubbier in the 60s? Is it not true which females which would have been considered fat inside western cultures, are considered beautiful inside certain third globe nations?<br><br>The word is out that having a big waist puts 1 at risk for certain wellness issues. Excess abdomen fat, even though we will not be greatly overweight, puts you at higher waist hip ratio risk for heart condition, excellent cholesterol, swelling, sort 2 diabetes, cancer, respiratory disease and quite potentially an early death.<br><br>The 2nd measuring for you to take is a cool measuring. Well, allow me clarify that. If your hips are wider than the waist, you'll need to take it. If the waist is bigger, there's no need, plus you are able to move on. If you do have to take the cool measuring, it's basically the same as the waist measuring, nevertheless it has to go about we at the widest point underneath a waist.<br><br>To accomplish stomach fat reduction, reduce on how several calories you are taking in could assist as you lower the stress levels too. Start on a advantageous fat loss program that might ensure you may be getting a balanced diet. Start up an exercise routine plus be faithful to follow it. Exercise is wise for belly fat reduction because it not merely increases the metabolism but it additionally is a technique to release stress. Releasing strain will cause extensive belly fat reduction for we.<br><br>To calculate your hip to waist ratio all we want is a measuring tapeMeasure the hips about with all the tape and then measure your waist about near a stomach button or smallest piece of the belly/waist.  Divide a waist number by your hip number and you have the hip to waist ratio.  For ladies the perfect number may be close to 0.80, for guys the ideal number is close to 0.95. If a amount is greater than the ideal then it shows which we have risky fat around the mid-section and which you'll need to function out and change a eating behavior to lower which number. If it is a lot lower than the ideal number than we would desire to consider talking to a doctor.<br><br>[http://safedietplansforwomen.com/waist-to-hip-ratio waist to hip ratio] is used as a measuring of weight. Which is an indicator of different more serious wellness conditions? A Waist cool ratio of 0.7 for women and 0.9 for men is shown to correlate strongly with wellness plus fertility. Women in the 0.7 range do have optimal degrees of estrogen plus less susceptible to diseases like diabetes, CVS disorders and ovarian cancers. Men with Waist hip ratio around 0.9 have been shown to be more fertile plus healthy. Waist hip ratio has been found to be an effective predictor of mortality in seniors than body mass index.<br><br>For this study, the team examined the healthcare records of over 15,000 folks that were an average 54 years aged plus came from 4 different U.S. locations and whom were piece of a study on atherosclerosis risk. Over the upcoming 13 years, over 300 participants had a sudden cardiac death.<br><br>There are numerous points you can do to aid reverse the signs of smoking on your skin and teeth...but the number one thing to do naturally should you are a smoker whom wants to become free is of course to work found on the habit first - plus give yourself the "treat" or distraction of undoing the symptoms and aiding the healing procedure because you do it with natural remedies.
 
: <math>B = {\frac{Q_h}{Q_e}}</math>,
 
where <math>Q_h</math> is sensible heating and <math>Q_e</math> is latent heating. The quantity was named by [[Harald Sverdrup (oceanographer)|Harald Sverdrup]] after [[Ira Sprague Bowen]] (1898–1973), an astrophysicist whose theoretical work on evaporation to air from water bodies made first use of it, and it is used most commonly in [[meteorology]] and [[hydrology]]. In this context, when the magnitude of <math>B</math> is less than one, a greater proportion of the available energy at the surface is passed to the atmosphere as latent heat than as sensible heat, and the converse is true for values of <math>B</math> greater than oneAs <math>{Q_e \rightarrow 0}</math>, however, <math>B</math> becomes unbounded making the Bowen ratio a poor choice of variable for use in formulae, especially for arid surfaces.  For this reason the [[evaporative fraction]] is sometimes a more appropriate choice of variable representing the relative contributions of the turbulent energy fluxes to the surface energy budget.
 
The Bowen ratio is related to the evaporative fraction, <math>EF</math>, through the equation,
 
: <math>{EF = \frac{Q_e}{Q_e + Q_h} = \frac{1}{1+B}}</math>.
 
 
==See also==
*[[Meteorology]]
*[[Hydrology]]
*[[Latent heat]]
*[[Sensible heat]]
 
==References==
* Bowen, I.S., 1926: The ratio of heat losses by conduction and by evaporation from any water surface. ''[[Physical Review]]'', 27, pp 779–787.
* Lewis, J.M., 1995: The Story behind the Bowen Ratio. ''[[Bulletin of the American Meteorological Society]]'', 76, pp 2433–2443. [http://ams.allenpress.com/amsonline/?request=get-abstract&issn=1520-0477&volume=076&issue=12&page=2433]
 
==External links==
* [http://www.nsdl.arm.gov/Library/glossary.shtml#bowen_ratio National Science Digital Library - Bowen Ratio]
* [ftp://195.37.229.5/pub/outgoing/jwinder/BowenRatioLiterature/Lewis_BullAmeriMeteoSoc_1995.pdf The Story behind the Bowen Ratio]
 
[[Category:Ratios]]
[[Category:Thermodynamics]]
[[Category:Atmospheric thermodynamics]]
 
{{physics-stub}}

Latest revision as of 03:22, 4 December 2014

What determines the beauty of the female body has seemingly changed over time and cultures. Were not the models chubbier in the 60s? Is it not true which females which would have been considered fat inside western cultures, are considered beautiful inside certain third globe nations?

The word is out that having a big waist puts 1 at risk for certain wellness issues. Excess abdomen fat, even though we will not be greatly overweight, puts you at higher waist hip ratio risk for heart condition, excellent cholesterol, swelling, sort 2 diabetes, cancer, respiratory disease and quite potentially an early death.

The 2nd measuring for you to take is a cool measuring. Well, allow me clarify that. If your hips are wider than the waist, you'll need to take it. If the waist is bigger, there's no need, plus you are able to move on. If you do have to take the cool measuring, it's basically the same as the waist measuring, nevertheless it has to go about we at the widest point underneath a waist.

To accomplish stomach fat reduction, reduce on how several calories you are taking in could assist as you lower the stress levels too. Start on a advantageous fat loss program that might ensure you may be getting a balanced diet. Start up an exercise routine plus be faithful to follow it. Exercise is wise for belly fat reduction because it not merely increases the metabolism but it additionally is a technique to release stress. Releasing strain will cause extensive belly fat reduction for we.

To calculate your hip to waist ratio all we want is a measuring tape. Measure the hips about with all the tape and then measure your waist about near a stomach button or smallest piece of the belly/waist. Divide a waist number by your hip number and you have the hip to waist ratio. For ladies the perfect number may be close to 0.80, for guys the ideal number is close to 0.95. If a amount is greater than the ideal then it shows which we have risky fat around the mid-section and which you'll need to function out and change a eating behavior to lower which number. If it is a lot lower than the ideal number than we would desire to consider talking to a doctor.

waist to hip ratio is used as a measuring of weight. Which is an indicator of different more serious wellness conditions? A Waist cool ratio of 0.7 for women and 0.9 for men is shown to correlate strongly with wellness plus fertility. Women in the 0.7 range do have optimal degrees of estrogen plus less susceptible to diseases like diabetes, CVS disorders and ovarian cancers. Men with Waist hip ratio around 0.9 have been shown to be more fertile plus healthy. Waist hip ratio has been found to be an effective predictor of mortality in seniors than body mass index.

For this study, the team examined the healthcare records of over 15,000 folks that were an average 54 years aged plus came from 4 different U.S. locations and whom were piece of a study on atherosclerosis risk. Over the upcoming 13 years, over 300 participants had a sudden cardiac death.

There are numerous points you can do to aid reverse the signs of smoking on your skin and teeth...but the number one thing to do naturally should you are a smoker whom wants to become free is of course to work found on the habit first - plus give yourself the "treat" or distraction of undoing the symptoms and aiding the healing procedure because you do it with natural remedies.