Sentences with phrase «on observational records»

«What causes the observed changes in precipitation and temperature is not something we have addressed because of the difficulties in doing so just based on observational records,» Villarini says.
The Monaghan et al. study used the correlation structure in the ERA - 40 reanalysis (Uppala et al. 2005) to define the weights on the observational records that are applied at each gridbox on 1 ° × 1 ° degree regular grid with a kriging method.
The study was based on observational records by a team around Irene Bender and Matthias Dehling of the fruit choices of birds in the Manú Biosphere Reserve on the western slopes of the Andes in Peru.

Not exact matches

The researchers relied on observational data sets from citizen scientists, people without the qualifications to be a scientist who have chosen to observe and record patterns in nature.
Co-author of the study Professor Ian Hall, from the School of Earth and Ocean Sciences, said: «Our results highlight the challenge of basing our understanding of the climate system on generally short observational records.
By imputing observational data recorded around the world, they studied the effect this pollutant might have on the Northern Hemisphere.
People were more likely to imitate popular choices, particularly those choices that are on the upswing, a dynamic Goldstone and his IU colleague Todd Gureckis had documented earlier in an observational study of baby names in 130 years of U.S. Social Security records.
The controlled environment of the CRC allowed the researchers to keep tabs on the volunteers» exact nutritional intake, rather than depend on volunteers» often unreliable food records — a drawback to many observational nutrition studies.
Breakthrough Listen allotted tens of hours of observational time on the Green Bank Telescope to recording radio emissions from FRB 121102, and last August 26 detected 15 bursts over a relatively short period of five hours.
reconstructing sea - level and ice - sheet changes on timescales ranging from the 20th century, to the late Holocene, to the last 150 thousand years, through statistical and geophysical modeling of geological and observational records;
There is no narration in Paolo Brunatto's observational «Bernardo Bertolucci's Chinese Adventure,» a behind - the - scenes look at the process of filmmaking, from on - set preparations and direction to editing to Ryuchi Sakamoto recording the score.
During the last two observations, observers were asked to interrupt their normal observational protocol every five minutes, scan the room quickly, and record the proportion of children in the class who were perceived to be on task.
Talk to me in another 15 years — Based on advances in modeling technology and on the additional observational record, I guarantee that I will have modified my opinion several times during that period.
The Global Biodiversity Information Facility (GBIF) is the world's premiere source for information on biological specimen and observational data, providing on - line access to more than 300 million data records from around the world.
[Response: True with some moderations: depending on how long the observational series are and how many independent parallel observations you make, there is an expected number of record - events according to the iid - test.
And I'd have to say that if I have to save my life by winning an argument with oil men in a bar in Midland, Tex., on this topic, I would go in with some lumps of black mudstone from the ancient rock record, I'd go in with the established figures on our present input of carbon dioxide, and I'd say which bit of this observational science do you guys quarrel with, and why?
One recent paper (Libardoni and Forest, 2011) has addressed how alternative observational records of surface temperature changes have an impact on the probability density distributions.
The attribution calculation in the IPCC AR5 is based on fingerprint studies, where the spatial patterns of the temperature response of the climate models to various agents are scaled to best reconstruct the temperature record from observational constraints.
These estimates are generally model - based because of difficulties in obtaining reliable internal variability estimates from the observational record on the spatial and temporal scales considered in detection studies.
Observational records show that anthropogenic - influenced climate change has already had a profound impact on global and U.S. warm season climate over the past 30 years, and there is increasing contrast between geographic regions that are climatologically wet and dry - the hypothesis that the «wet gets wetter, dry gets drier» is seen in a new paper by Chang et al..
It is likely that all of these have left their mark on the climate signal, but the room within which they may have operated is limited by the reasonably close approximation between the known non-chaotic signals and the observational record.
Studies surveyed Millar, R. et al. (2017) Emission budgets and pathways consistent with limiting warming to 1.5 C, Nature Geophysics, doi: 10.1038 / ngeo3031 Matthews, H.D., et al. (2017) Estimating Carbon Budgets for Ambitious Climate Targets, Current Climate Change Reports, doi: 10.1007 / s40641 -017-0055-0 Goodwin, P., et al. (2018) Pathways to 1.5 C and 2C warming based on observational and geological constraints, Nature Geophysics, doi: 10.1038 / s41561 -017-0054-8 Schurer, A.P., et al. (2018) Interpretations of the Paris climate target, Nature Geophysics, doi: 10.1038 / s41561 -018-0086-8 Tokarska, K., and Gillett, N. (2018) Cumulative carbon emissions budgets consistent with 1.5 C global warming, Nature Climate Change, doi: 10.1038 / s41558 -018-0118-9 Millar, R., and Friedlingstein, P. (2018) The utility of the historical record for assessing the transient climate response to cumulative emissions, Philosophical Transactions of the Royal Society A, doi: 10.1098 / rsta.2016.0449 Lowe, J.A., and Bernie, D. (2018) The impact of Earth system feedbacks on carbon budgets and climate response, Philosophical Transactions of the Royal Society A, doi: 10.1098 / rsta.2017.0263 Rogelj, J., et al. (2018) Scenarios towards limiting global mean temperature increase below 1.5 C, Nature Climate Change, doi: 10.1038 / s41558 -018-0091-3 Kriegler, E., et al. (2018) Pathways limiting warming to 1.5 °C: A tale of turning around in no time, Philosophical Transactions of the Royal Society A, doi: 10.1098 / rsta.2016.0457
First, they rely on long historical observational records to calculate the statistical relationship, effectively limiting the variables that can be downscaled to temperature and precipitation, and the locations to those stations where these long records were collected.
Having said that there were around forty years at the start of the 18th century that seem broadly comparable to the modern day according to observational and crop records with very warm summers although still colder than now winters on the whole Tonyb
IMO I've seen nothing in the observational record that convinces me that we need take any drastic action to reduce CO2 outputs quicker than they will naturally fall as newer, cleaner baseload power options come on stream.
Scientists don't have good enough long - term observational records of tornadoes to tell, if climate change is affecting tornadoes, and climate models don't shed any light on the issue, either.
Evidence exists in recorded local observational accounts as well as in the peer - reviewed scientific literature of the cumulative effects of climate - related environmental change on Native communities in Alaska; these effects combine with other socioeconomic stressors to strain rural Native communities (Ch.
«Evidence for climate change in the satellite cloud record» «Cloud feedback mechanisms and their representation in global climate models» «A net decrease in the Earth's cloud, aerosol, and surface 340 nm reflectivity during the past 33 yr (1979 — 2011)» «New observational evidence for a positive cloud feedback that amplifies the Atlantic Multidecadal Oscillation» «Impact of dataset choice on calculations of the short - term cloud feedback»
This claim makes little sense even on its face, as the observational record tells us nothing about the distant past, nor about the present climate in context of the past.
«The available observational record is our best shot at understanding what actually happened in the past in order to then go on and think about the future.»
Reliable assessments of these contributing factors depend critically on reliable estimations of natural climate variability, either from the observational record or from coupled climate model simulations without anthropogenic forcings.
Attempts to understand trans - basin AMOC variability over the modern observational record traditionally have had to rely on indirect estimates assessed from hydrography.
While considerable effort is made to keep observational practices consistent — and to keep a careful log of changes at each site — each change in methodology or technology can leave its mark on the record.
A study of observational data sets from the World Glacier Monitoring Service (WGMS) concluded that «rates of early 21st - century mass loss are without precedent on a global scale, at least for the time period observed and probably also for recorded history» (Zemp et al. 2015).
Observational records of tropical storm and hurricanes are essential in order to discern how climatic changes have influenced tropical storms and hurricanes, and to build predictive understanding of the influence of climate on hurricanes.
Both September and October were also the warmest on record, in terms of anomalies, for any month amongst all 1630 months in the observational record.
Although there exist observational estimates of the SAMOC, the decadal and multi-decadal variability of the SAMOC and its influence on climate and weather can not be assessed due to its short temporal record.
With this being the «warmest winter on record» per the warmers and this now doccumented record snow extent, there is certainly enough observational evidence to further research my theory that the rise of man made CO2 in the atmosphere has increased the freezing point of water by about 5degrees F.
JAMES SCHOOL, Shamrock, NJ 6/2011 to 6/2012 Special Needs Assistant • Assisted the teacher in creating and implementing effective lesson plans for each child • Provided support in building a sympathetic environment in the classroom • Helped the teacher apply safety measures to ensure the physical wellbeing of each student • Created individual student records and managed documentation on each student • Helped the teacher supervise the students during recess and outdoor activities • Assisted the teacher in assessing and evaluation each child by providing them with observational feedback
The direct observational method, based on a recorded play session, named Lausanne Trilogue Play (LTP)(Fivaz - Depeursinge and Corboz - Warnery, 1999), has already shown strong ability to detect the specific characteristics of the family triadic interactions in the context of therapeutic orientation, preventive and social interventions, in particular with infants and children (e.g., Fivaz - Depeursinge and Favez, 2006; Fivaz - Depeursinge et al., 2007, 2009; Galdiolo and Roskam, 2016).
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