SteveM's recent post attempts to say RogerP's prediction was correct
by calculating the trend difference for just the ocean record, not the global record.
I'm saying you can only calculate trends in pseudo-waveform functions like TSI
by calculating trends from peak to peak or trough to trough, either method works, hence my adoption of the 1910 to 1945 as a good period to evaluate.
Not exact matches
2 The percentage change has been
calculated using actual exchange rates in use during the comparative prior year period to enhance the visibility of the underlying business
trends by excluding the impact of translation arising from foreign currency exchange rate fluctuations, which is considered a non-GAAP financial measure.
Institutional investors have projected upward price
trends by calculating the rising flow of pension fund and mutual fund savings into the market.
The key takeaways are: 1) without using a discounted cash - flow model, the PE ratio that should be applied to a company's earnings stream can never be appropriately
calculated, and
by extension, 2) when investors assign an arbitrary price - to - earnings multiple to a company's earnings (based on historical
trends or industry peers or the market multiple), they are essentially making estimates for all of the drivers behind a discounted cash - flow model in one fell swoop (and sometimes hastily).
By analyzing the market
trend in real - time, the software is able to
calculate the live value of every single trading indicator.
Indeed, when Cutler and Stewart
calculate in their paper how much the average life span would decrease if their
trend line reached back only 5 years, they found less - dramatic results: a reduction of 0.10 years (37 days) and 0.17 quality - adjusted years (62 days)
by 2020 for an average 18 - year - old.
I am very cuious if you found a variance between Upper Air and Surface warming... I
calculated total amospheric refraction temperatures, ie from data extracted
by analyzing optical effects, some of my results show an impressive yearly warming
trend, much stronger than the surface based one.
A team led
by Kate Marvel (among them also the known climate activist Gavin Schmidt) claimed in February, 2018, in the Geophysical Research Letters that the real temperature
trend of the last decades are not suitable for
calculating CO2 climate sensitivity.
We conducted descriptive statistical analysis
by calculating the means of the closed - answer and Likert - style questions to determine
trends in agreement, disagreement, or neutrality toward survey statements.
Short Sales
Trending Down
by Steve Viuker According to
Calculated Risk author Bill McBride and Economist Tom Lawler, Short sales are down sharply from a year ago, and will probably really decline in early 2014.
* Scientists from the Carnegie Institution's Department of Global Ecology have
calculated that if current carbon dioxide emission
trends continue,
by mid-century 98 % of present - day reef habitats will be bathed in water too acidic for reef growth.
But the
trends from 1988 to around 1994 that you
calculated were all significantly affected
by the Pinatubo eruption in 1991.
(i.e. To assess whether the record Sep 2011 minimum is unusual we would
calculate the
trend by excluding it.)
, but the most likely interpretation, and the one borne out
by looking at their Table IIa, is that sigma is
calculated as the standard deviation of the model
trends.
Once again, a few short months later, a followup article was published
by one of us (Mann, 2004) that invalidated the Soon et al (2004) conclusions, demonstrating (with links to supporting Matlab source codes and data) how (a) the authors had, in an undisclosed manner, inappropriately compared
trends calculated over differing time intervals and (b) had not used standard, objective statistical criteria to determine how data series should be treated near the beginning and end of the data.
I
calculated the 1979 - 1999
trends (as done
by Douglass et al) for each of the individual simulations.
One can also
calculate the
trends over successive periods of, say, ten years, with start - points separated
by one year.
I am very cuious if you found a variance between Upper Air and Surface warming... I
calculated total amospheric refraction temperatures, ie from data extracted
by analyzing optical effects, some of my results show an impressive yearly warming
trend, much stronger than the surface based one.
Actually for those 20 years analysed
by Rossby our index shows an increase in the AMOC — but that is so small that it would be within the uncertainties of Rossby's
calculated trend in the Gulf Stream.
I then put those figures in a spreadsheet,
calculated the
trend (y =.1213 x), subtracted again
by eye to get the difference (total off
by.3) and then
calculate the RMS of the differences which amounts to, ironically,.85.
Going back to the atmosphere, there must be methods devised in
calculating the total heat in the system planet wide, that is the key, I see some efforts in finding Upper Air
trends, that is better, but again flawed, the Upper atmosphere constantly changes tenperatures throughout a vertical profile hour
by hour, taking an average at 700 mb, may miss a strong cooling just below, or warming above.
You could use 1m
by 2050 as the benchmark and
calculate the GIMBI from there: thus
by trending (you do nt have to use straight line) sea level rise to that date and valuing every additional piece of new information as it happens the
trend will be affected and therefore GIMBI.
Additionally, if you look closely at Figure 5, even in Easterbrook's own distorted IPCC presentation the largest minimum to maximum temperature difference in the first decade of the 21st century, if you exaggerate the change
by cherrypicking the endpoints rather than
calculating a statistical
trend, is only about 0.6 °C, not 1 °C.
Location of the 524 tidal gauges whose linear
trends have been
calculated by PSMSL.
Scientists had tried to look into the future
by extrapolating the visible
trends and forces along a single line,
calculating a most likely outcome within a range of possibilities: «global average temperature will rise three degrees plus or minus 50 %» or the like.
By the 1970s, the persistent cooling
trend had become a hot topic, so to speak, for magazines and books that fretted about a coming Ice Age, and the federal government supported studies that
calculated the economic disasters expected from a colder climate.
By the way, the
trend uncertainty when the
trend is
calculated this way is + / - 0.32, and, if one corrects for the serial correlation in the residuals, it jumps to + / - 0.86.
The global
trend is
calculated from hundreds of CO2 measuring stations and confirmed
by satellites.
Above Excel chart only shows per century linear
trends calculated by Excel, not the annual datapoints.
Basically, I
calculated the temperature
trend for each gridbox between 60N and 60S, averaged the longitudinal values, and plotted a scaled image
by latitude and depth.
One stumbling block is
calculating results that are not «statistically significant» ie the
trend is not easy to distinguish from random variations that produce the appearance of a
trend by accident.
Excel's slope function was used to
calculate the moving
trends for each time span (
by month) and to plot them.
Used Excel to
calculate trends utilizing the built - in slope function; plots created
by Excel.
Findings: The future emission and temperature
trends are
calculated according to a baseline scenario
by the IPCC, which is the worst - case scenario RCP8.5.
By comparing the rate of change for each parameter from 2015 to 2016 to the average rate of change for that parameter for the previous decade, the contribution of each parameter to the overall deviation from
trend can be
calculated.
By the way, I
calculate Loess smooth
trends using the free Peltier Excel add - in.
Those of you who want to
calculate the
trend of a profile after a peak
by selecting a starting point before the peak must understand that you are not
calculating the slope of the profile but the slope of the tunnel that starts from one side of the peak and comes out on the other side of the peak as shown in the following sketch.
UC Berkeley scientists
calculated average ocean temperatures from 1999 to 2015, separately using ocean buoys and satellite data, and confirmed the uninterrupted warming
trend reported
by NOAA in 2015, based on that organization's recalibration of sea surface temperature recordings from ships and buoys.
Annual
trends are
calculated by averaging the monthly mean anomalies together and fitting the regression to the annual average timeseries.
Surface pressure
trends from the READER dataset are also predominantly positive in spring (not shown), consistent with the SAM
trends calculated by Marshall (2007).
Temperature
trend isn't
calculated by averaging recorded temperatures from the surface stations across the world.
Meanwhile, climate skeptic Anthony Watts trumpeted a new paper that questioned some of the techniques used
by NOAA to
calculate U.S. temperature
trends.
The ~ 0.14 C / decade
trend difference between the well and poorly sited stations is significant as well: Our chance of obtaining the same results
by random chance is
calculated by J - NG, using Monte Carlo methodic, at 0.00000.
One study has
calculated that if present
trends continue, 1.8 billion people will be living in absolute water scarcity
by 2025, while a full two thirds of the human population will face water stress.With agriculture currently accounting for some 72 % of human water use it seems likely that such steps to reduce water consumption will become a desirable provision of vertical farming in the future.
The AMO is generally
calculated by subtracting out the linear
trend from 1880 to present in North Atlantic sea surface temperatures.
The charts at issue are introduced
by «If we
calculate trends for all 81 gridcells that have at least one MMTS and one CRS station available, and weight each gridcell
by its relative size, we get the following raw mean temperature
trends:» and show MMTS stations back in 1965.
The lower panel expresses velocity as change in present temperature gradients
calculated by using the present temperature gradient at each location and the
trend in temperature projected
by the CMIP3 ensemble in the SRES A1B scenario.
Whatever one feels about each of these years having only a single month's worth of data, I think it is reasonable to say we shouldn't
calculate linear
trends over 37 points of data when 2 of those points are separated from the rest
by 8 years.
This shabby analysis has been debunked
by Richard Telford http://quantpalaeo.wordpress.com/2014/12/26/not-phraud-but-phoolishness/ His conclusion: «The changing geographic and seasonal patterns in data availability means that simply
calculating the mean pH for each year will give all sorts of spurious
trends in the analysis.