Sentences with phrase «scales over time periods»

The impact of land use change on the energy and water balance may be very significant for climate at regional scales over time periods of decades or longer.

Not exact matches

With over a decade of operations under its belt, the store has scaled to a considerable size reaching a c. 26 % CAGR for the period 2013 to 2017, grossing c. $ 42M in that time, and generating c. $ 13M in revenue over the past year alone.

Finally, we have reviewed a large - scale study on high blood pressure showing an association between high levels of protein intake (in the vicinity of 100 grams per day) and significantly decreased risk of high blood pressure over an 11 - year period of time.

If you want to scale goals over some time period, you want to find a time constant which results in the variance of that rate having the same properties as the Poisson does for counting.

Using different calibration and filtering processes, the two researchers succeeded in combining a wide variety of available data from temperature measurements and climate archives in such a way that they were able to compare the reconstructed sea surface temperature variations at different locations around the globe on different time scales over a period of 7,000 years.

What has been called the modern synthesis of the two fields emerged in the 1940s with the idea that the sorts of genetic differences you could observe in populations, right out your window, when compounded and extrapolated over vast periods of time, could account for the large - scale changes we see in the fossil record.

For over twenty years, the dominant opinion in research was that this «mother of all disasters» happened abruptly and without warning, when seen on a geological time - scale — estimates suggest a period of just 60,000 years.

They combined this information with maps of population distribution and malaria prevalence over the same period to create, for the first time, a map that correlates large - scale trends in movement to the spread of the disease.

The fish's scale captures systemic cortisol exposure over longer periods of time making it suitable to quantify chronic stress in fish.

Chip - scale atomic clocks keep time well enough for many applications requiring timing synchronization over short periods, such as GPS receivers.

This scale is designed to capture subtle changes in insight over a short period of time.

«Large - scale data analyses generate insights about people — their mood, goals, intentions, health, and well - being — over both short and long periods of time,» he says.

Through crowdsourcing — an open call for voluntary assistance from a large group of individuals — Americans can study and tackle complex challenges by conducting research at large geographic scales and over long periods of time in ways that professional scientists working alone can not easily duplicate.

By looking at high - resolution images taken by SDO and STEREO over the same time period and in different wavelengths, Alzate and her colleagues at the University of Aberystwyth were able to focus down on the cause of the puffs and the interaction between the small and large - scale eruptions.

For significant periods of time, the reconstructed large - scale changes in the North Pacific SLP field described here and by construction the long - term decline in Hawaiian winter rainfall are broadly consistent with long - term changes in tropical Pacific sea surface temperature (SST) based on ENSO reconstructions documented in several other studies, particularly over the last two centuries.

«We believe that getting regular feedback and advice from an experienced bioinformatician over an extensive period of time is an excellent way to learn how to make use of large - scale biological and medical data.

The major barbell exercises can be scaled up over extended periods of time (the bench press, squat, deadlift and overhead press).

Charter students in Arizona achieved these increases in NAEP scale scores even while the nation as a whole experienced little or no growth over that same 2009 to 2017 time period.

«If you can plan out a suite of vehicles over a period of time, you get a scale globally.»

This exhibition is comprised of mostly large scale photographs aggregated from numerous exposures over a period of time up to several years.

Altfest's small - scale oil - paintings are painstakingly executed and drawn from life and realised over a long period of time.

Galleria Nazionale d'Arte Moderna e Contemporanea, Rome presents the third stage of this major transcontinental tour, Sean Scully: Change and Horizontals, an intensely focused survey comprising of acrylic, ink, graphite and masking - tape drawings from 1974 - 75 - presented together for the first time in over 30 years - as well as two large - scale paintings from the same period and the artist's personal notebooks.

New York — The Drawing Center presents Sean Scully: Change and Horizontals, a focused survey that comprises Sean Scully's (b. 1945, Dublin, Ireland) acrylic, ink, graphite, and masking - tape drawings from 1974 — 75 — presented together for the first time in over thirty years — as well as two large - scale paintings from the same period.

This intensely focused survey is comprised of acrylic, ink, graphite, and masking - tape drawings from 1974 — 75 — presented together for the first time in over 30 years — as well as two large - scale paintings from the same period and the artist's personal notebooks.

Created by infrequently pouring extremely thin layers of paint onto a prepared surface over long periods of time, the small - scale gesso boards reveal radiant compositions that develop and deepen before the viewer's gaze.

For variability on a long time scale, the effect is generally constant over a short time period (such as Milankovitch cycles).

It was of course a classic «cherry pick» — find a region or time period when there is a cooling trend and imply that this contradicts warming trends on global scales over longer time periods.

Given some trial you mentioned had some data on how much additional carbon was sequestered it should be possible to do a calculation on whats possible at larger scale and over what time periods

Temperatures over that period varied probably by less than 2 deg C, so the climate during which we developed our way of life was very consistent when compared with the long - term geological time scale.

Both are at different time scales, where any (theoretical) influence of CO2 need to change the ocean temperatures over a sufficient long period (10 - 30 years), to be visible in the statistics.

GOAL 1: Examine the historical evolution of the arctic ice - ocean system from 1948 to 2003 to understand the large - scale changes that have occurred in sea ice and the upper Arctic Ocean over this time period.

Even if you assume that they are using 16 bit converters, you still have to account for sensor scale factor and offset drift over temperature and time period.

The results also highlight coastal regions that are well - represented in current generation climate models (and those that are not) and the time periods over which coastal sea level may be used as a proxy for the large - scale ocean circulation.

(A) coordinate programs at the National Oceanic and Atmospheric Administration to ensure the timely production and distribution of data and information on global, national, regional, and local climate variability and change over all time scales relevant for planning and response, including intraseasonal, interannual, decadal, and multidecadal time periods;

Funny you picked 10 and 50 years as your example periods; it seems at least some of your colleagues disagree on the predictability problem over various time - scales (Klimazwiebel survey results).

Combining these forcing periods, you would expect that, over extended periods of time, the effects of extreme proxigean spring tides should manifest themselves in the climate indices on time scales that are set by the beat periods between these two fundamental time scales.

The difference of more than two orders of magnitudes between sea level change on a human time scale and sea level change on a geological time scale is the result of several mechanisms affect sea level at different amplitudes and over different time periods.

The main difference between H2O and CO2 (apart from the numerical differences of their specific physical properites such as degree of freedom, thermal capacity, physical mass, etc) in terms of their effects on the atmosphere is that water is capable of condensing into liquid to form clouds and readily and rapidly moves between surface and atmosphere, daily, seasonally, annually and on even greater time scales, but CO2 does not liquify in the biosphere and transfers over mostly long time periods between surface (primarily oceans, seas, etc) and the atmosphere.

Using reference values computed on smaller [more local] scales over the same time period establishes a baseline from which anomalies are calculated.

It doesn't mean that there can't be any natural variability that appears as wobbles in the temperature record (or in other climate variables), masking the multi-decadal temperature trend over a time scale shorter than 20 years with the effect that the longer term trend is not statistically detectable in the time series, if one chooses the time period only short enough.

Jan Perlwitz says:» It doesn't mean that there can't be any natural variability that appears as wobbles in the temperature record (or in other climate variables), masking the multi-decadal temperature trend over a time scale shorter than 20 years with the effect that the longer term trend is not statistically detectable in the time series, if one chooses the time period only short enough.»

Values are also averaged over successive four - month periods, to enable variations on upwards of the seasonal time scale to be seen more clearly than if monthly values had been plotted.

Palaeological evidence and simulation modelling show North Atlantic plankton biomass declining by 50 % over a long time - scale during periods of reduced Meridional Overturning Circulation (Schmittner, 2005).

During this period, the rate of this rise has varied on multidecadal time scales making identifying exact reasons behind upswings, such has been observed over the past few decades, difficult.

By the dominance of stochastics I mean that they vary in a way that allows for stable averaging over reasonably short periods, while weak stochasticity might allow for the formation of peristent attaractors that make avaraging almost irrelavant over wide range of time scales.

Our planet has spent far more time in periods of large scale glaciation then is has in interglacial periods like the current one over the past million years or so.

To forecast the track that a tropical storm or hurricane will take, forecasters need to know how the large - scale weather pattern will evolve over a particular period of time.

The point they make may be summarized by the following quote: «While in the observations such breaks in temperature trend are clearly superimposed upon a century time - scale warming presumably due to anthropogenic forcing, those breaks result in significant departures from that warming over time periods spanning multiple decades.»

The sensitivity he then derives is projected back using the 0.8 deg C warming over the 20th C. However, this is ludicrous — the sensitivity in the recent period can't be more than say, 1 ppmv per 0.1 deg C. Projected back you would have say a 10 ppmv (max) change over the 20th C. Paleo - climate constraints demonstrate that CC feedback even on really long time scales is not more than 100 ppmv / 6 deg C (i.e. 16 ppmv / deg C), and over shorter time periods (i.e. Frank et al, 2010) it is more like 10 ppmv / deg C. Salby's sensitivity appears to be 10 times too large.

http://illconsidered.blogspot.com/2006/04/historically-co2-never-causes.html 100 years of shift does not factor into the larger scale phenomena http://illconsidered.blogspot.com/2006/01/one-hundred-years-is-not-enough.html Until climatologists can properly make models that reflect the entire global history and take into account plate position and how high the plates ride, oceanic levels due to this and the position of oceans, overall insolation, overall daylength and its effects on average global temperature and factor in known carbon dioxide levels over that time period, then they will be unable to give any correlation between current carbon dioxide levels and global temperature.