Sentences with phrase «back of envelope»

«Simon surprised us with his very creative ideas — literally sketched on the back of an envelope,» the owners recall.
It can be as simple as «writing it on the back of an envelope with pen and paper,» he notes, or more sophisticated, using budgeting sites like Mint.com, where you can visually track your spending.
Looking at its real estate portfolio — in a back of the envelope calculation, the average lease rate for the 38.4 million square feet leased by SuperValu is somewhere around $ 7.50 per square foot — based on capital structure and the most recent cash flow from financing activities.
Valuate ® — A quick click from any parcel of land in RPR will take you into Valuate ® where you can do different types of financial analyses, including a back of the envelope land development analysis for multifamily and office developments.
«Back of the envelope repair estimate» and the image of an envelope with text representing estimated repairs are both trademarks of Crab Properties, LLC.
Anyone can make a formula on the back of an envelope without any real data analysis that says «If person X has Y attribute then Z is the outcome our organisation will choose».
It seems to be derived from elementary radiative convective models and back of the envelope calculations.
Still, it is easy to show on the back of an envelope that there is no chance at all of Himalayan glaciers being gone by 2035.
If they completely miss regional effects, can not simulate ocean cycles and poorly represent cloud effects, how is that better than simple back of the envelope calcs of TCS and SLR?
Pablo, Taking into account your 50 % figure above, and the relative area of the oceans (71 %), «back of the envelope» calculations suggest that the oceans receive about 37 terrawatts of internal heat.
differing by unmeasuraby small amounts just like the initial states — and are different to the back of envelope, then I am wrong and please let me know.
If all three runs match your back of envelope then it's reasonable to drop the GCM and use the back of envelope.
One of my post included some back of the envelope calculations on the effect of adding trees has on system yields.
I've done some «back of the envelope» calculations.
Not to mention that CO2 and N2O also covary with methane, so even if the entire temperature change was based on GHG changes and not orbital changes, CH4 would contribute less than half... My back of the envelope calculations suggests a forcing change of less than 0.2 W / m2 from a drop of 245 ppb — even at the upper end of the CS range this would contribute only about half a degree C to cooling...
I also think you you back of the envelope still doesn't take into consideration what the real cost or the factors that are taken into consideration for a nations carrying capacity.
Yes back of the envelope often look good without the fine detail, factor in the number of plants - your cost estimates seem cheap i thought it was about 1 bill per plant - extra power generation, the rest of the infastructure, land etc and your numbers wouldn't add up.
e9 (if I did my back of the envelope right).
So Gavin are you saying «Someone could have perfect data and absolutely correct code, but because their analysis is based on a fundamentally incorrect assumption», instead back of an envelope thinking is the correct scientific method to use just as long as it comes to the right conclusion?
As a fellow systems engineer I appreciate and support your back of the envelope checks.
«What we did is interpolate carefully instead of just using the back of an envelope.
After much reading and research and my own back of the envelope calculations, the answer came out «insignificant».
During my long career as a nuclear engineer, I got into the habit of doing a «back of the envelope» calculation of my own as a «sanity check» on other's results.
The whole idea of dealing with global mean temperatures and averaged - out energy budgets is by itself crude, and one commenter at least has noted that when an observed global warming of the order of 1C is small compared to the coarseness and sensitivity of such back of an envelope calculations, we need to look elsewhere to resolve disputes.
A BOE (back of the envelope) calculation of the percent change of temperature for looking at elasticity is not the full interval (290K), but the average earth temperature without any greenhouse gases, generally given as 255 K (lots of sources for that, lots of quibbles, and lots of detail if you really care, but close enough for our purposes).
Looking forward to notes of significant errors in the back of the envelope calculations below.
Several months ago, I did a quick and dirty, back of the envelope type calculation of globally averaged specific humidity trends using the NCEP / NCAR reanalysis data available on the web for the period 1964 to 2007.
With those three number and the amount of CO2 generated for each (easy to find on the net) one can pick a price of carbon of one's liking and calculate the tax on your cell phone (Millenials), spreadsheed (GenX) or the back of an envelope (folks as old as Eli) Eli will even provide a Google Sheet to calculate the tax.
A back of the envelope calculation: — Solubility product of CaCO3 (aragonite): 6 * 10 -LRB--9) M (2).
The Antarctic sea ice melts from below — I will need to think on it and not make insulting comment and idiotic back of the envelope calculations..
And about the difference between surface and tropospheric trends, which the models get right, if this were untrue, it wouldn't just be the models that are in trouble: even the back of my envelope would be malfunctioning, as this is basic, moist - air - in - a-gravity-field, one - dimensional physics.
It can be used on different levels of comprehensiveness: from a «back of the envelope» sketch based on self elicitation to a comprehensive and sophisticated procedure involving structured, informed, in - depth group discussions on a parameter by parameter format.
Certainly not from webby's absurdly simplistic back of the envelope math and woefully inadequate physics.
The percentages are back of the envelope assessments of the certainty of risk posed to the various reasons by continuing business as usual.
ummm so we can do a kind of back of the envelope kind of calculation of how much that might be skewing our perspective here.
Back of the envelope calculation of the simplest sort.
In that case, I'd come up with the following back of envelope estimation:
Willis, your back of the envelope calculation using the standard e = mc (deltaT) calculation rearranged to indicate a 38K rise in GAT is based on old physics.
Your back of an envelope calculations are a joke.
Quick back of envelope calculation at 50 % efficiency converting electricity to jet - a says you need the continuous output from a 500 megawatt reactor and it produces $ 300,000 per day worth of fuel or about $ 100 million per year.
However, the back of the envelope calculation provided by VTG has piqued my interest.
My back of the envelope calculations tell me that the annual compound growth rate of (evil) carbon in the atmosphere since 1960 is approximately 0.421 % p.a. Projecting the present 390ppm @ the 0.421 % p.a historical growth rate over the next 40 years gives us approximately 461ppm of carbon in the atmosphere by 2050.
Back of envelope calculations are of huge importance.
Lots of other factors go into global temperature, but this ball park, back of the envelope calculation shows that even IPCC's lowered top estimate of 4.5 degrees is laughably preposterous.
A back of the envelope estimate of the addition of freshwater from land ice melting?
«A quick «back of the envelope» calculation -LSB-... suggests] that annual carbon emissions associated with forest islands in Balbina could be in the region of 10,000 tons (equivalent to emissions from ~ 230,000 barrels of oil),» said the study's lead researcher Isabel Jones, of the University of Stirling, UK.
Sorry it doesn't pass the back of the envelope calculations especially when Dr Spencer's global average temperature at near surface have recently fallen to 2008 levels.
Please no comments on «back of the envelope» after all that's all the above calculations are too.
For a scientist or an economist to make a back of the envelope guess from his office is not an adequate study.
This back of envelope calculation of 239watts / sq m is quite close to the measured value of 232 watts / sq m verifying that the concept is more or less correct.
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