Sentences with phrase «zonal average»

However, climatological zonal average wind can obscure important aspects of jet streams (such as the distinction between polar and subtropical).

Regarding the zonal average cross section graphs of temperature changes — I've wondered what these would look like seasonally.

The map of thickness temperature spatial trends and their zonal average over 1979 — 1996 (Fig. 2) shows that warming in the Northern Hemisphere is statistically significant only in several small isolated regions, and does not support a conclusion of general warming of the Northern Hemisphere troposphere — or the latitudinal characteristics reported in (1).

The second figure shows a zonal average of this circulation and the locations of these features.

In northern mid-latitudes during summer, the zonal average increases near the surface are about 30 ppb or more, raising background levels to nearly 80 ppb, threatening attainment of air quality standards over most metropolitan and even rural regions, and compromising crop and forest productivity.

So to make an idealized continent like Africa I just took a standard CLM input file and replaced the area approximately over North Africa with the zonal average values of West Africa (where the Sahara is the hottest).

PMP enables users to synthesize model performance characteristics from dozens of maps and zonal average plots.

Zonal average in shipping zones would be an average made up from a lot of numbers across several centuries.

One solution which has different assumptions than what is used to define the HadCRUT4 global values, would be to calculate the zonal means first and then area weight those — which assumes that missing data warms at the same rate as the local zonal average as opposed to the global means.

Zonal averages in the polar waters are from the places where the lines of latitude get closer together (they meet at the Pole).

The current climate data that are most relevant are the zonal averages of such quantities as temperature, precipitation, atmospheric pressure, cloudiness and humidity.

In GIStemp Station data is carried AS station data through STEP2 (they do produce a couple of «zonal averages» along the way, but the temp data are carried forward) THEN that process noted above is applied.

He could know that by comparing the zonal averages or the geographical patterns of the two warming periods, which is what he did in the paper back then (e.g., Plate 1).

The land mask is used In Step 5, where land and ocean series are combined into zonal averages.

should have the opposite effect at higher altitudes, — perhaps with more even distribution over latitude (I'm recalling a figure from Ch 9 of IPCC AR4 WGI (zonal averages)-RRB-.

Not exact matches

We'll also be presenting the warming and cooling rates (the trends) on a zonal means (latitude average) basis.

The zonal anomalies map for September of 2014 showed no latitudinal zone experiencing cooler than 20th Century average conditions.

The increase in zonal variance of P — E means that regions that are wetter than the zonal mean will get wetter on average and that regions that are drier than the zonal mean will get drier on average.

Here the annual average values for each year have been plotted for both the polar «zonal» GISS data (64 - 90N) and the DMI Arctic data, and the trends calculated for both data sets for the full DMI period.

The QRA mechanism is considered in the present paper at the conceptual level: In the working equation for the azonal stream function, zonally averaged zonal flows and azonal forcing at the EBL are prescribed using observational data (refs.

1a designates the amplitude of the 15 - d running means of the external thermal + orographic barotropic forcing with zonal wave number m at the EBL, averaged over the midlatitude belt Δ = 37.5 ° − 57.5 ° N.

Time series of the observed amplitudes (in meters per second) of zonal wave numbers m = 6 (black), m = 7 (red), and m = 8 (blue) for the 15 - d running means of the meridional wind velocity at 300 hPa averaged over 37.5 ° N − 57.5 ° N for May − September 2012 and 2013, based on daily reanalysis data (41).

In our paper, we have dealt with the zonally averaged zonal winds as the mean flow and excluded from our consideration packets of quasistationary planetary waves trapped in predominantly meridional elongated waveguides, specifically those originating in the tropics.

With that caveat, the face - value 35 - year trend in zonal - average annual - average specific humidity q is significantly negative at all altitudes above 850 hPa (roughly the top of the convective boundary layer) in the tropics and southern midlatitudes and at altitudes above 600 hPa in the northern midlatitudes.

However, another source of uncertainty in the monthly mean zonal cloud radiative effects comes from the low frequency of clear - sky occurrence, when averaging over regions that correspond to the spatial resolution of general circulation models.

Averages over 3, 7 and 10 kyrs from the CALSxk models (Figs. 2b — 2d) suggest that, although there are zonal differences of minimum field intensity, the southern Atlantic is no preferred location for the minimum field strength.

Surface maps (left) and combined Pacific / Atlantic zonal mean sections (right) are given for scenario IS92a as averages over three time periods: 2011 to 2030 (top), 2045 to 2065 (middle) and 2080 to 2099 (bottom).

The analysis is restricted to latitudes between 50S and 50N and to altitudes at which the zonal - average specific humidity is greater than 0.5 g / kg.

These metrics emphasise fields between 30S and 30N including 2 m air temperature (Willmott and Matsuura 2000), vertically averaged air temperature (ERA40, Uppala et al. 2005), latent heat fluxes of the ocean (Yu et al. 2008), zonal winds at 300 mb (ERA40, Uppala et al. 2005), longwave and shortwave cloud forcing (CERES2, Loeb et al. 2009), precipitation over land and ocean (GPCP, Adler et al. 2003), sea level pressure (ERA40, Uppala et al. 2005), vertically averaged relative humidity (ERA40, Uppala et al. 2005).

(1) It pointed out that, according to the NCEP data, the zonal - average tropical and mid-latitude humidities have decreased over the last 35 years at altitudes above the 850mb pressure level — that is, in the middle and upper troposphere, roughly above the top of the convective boundary layer.

the face - value 35 - year trend in zonal - average annual - average specific humidity q is significantly negative at all altitudes above 850 hPa (roughly the top of the convective boundary layer) in the tropics and southern midlatitudes and at altitudes above 600 hPa in the northern midlatitudes.