Created and used
observational records of each child to engage him or her in activities aligning with individual needs
Pepijn Bakker and colleagues combine
observational records of iceberg - rafted debris with climate models to show that the climate fluctuations seen during the Holocene may have been driven by small variations in the discharge of freshwater from the Antarctic Ice Sheet, amplified through the climate system.
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.
For such empirical forecasts regionally depth - dependent damping rates \ (\ lambda (x, y, z) \) could be derived from the lag - 1 autocorrelation of long term
observational records of water storage and soil moisture.
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.
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.
Some don't like this because it doesn't fit their political message, so they try to spread doubt about
the observational records of global surface temperatures.
But from an email conversation with Francis, Vavrus, and several other atmospheric scientists this week, it became clear that there may be more questions than answers at this point, given the large amount of natural variability that affects winter weather patterns, and the very short
observational record of how the atmosphere responded to extreme losses of sea ice (only five winters of records since 2007).
With the availability of multiple years of data from new and improved passive instruments launched as part of the Earth Observing System (EOS) and active instruments belonging to the A-Train constellation (L'Ecuyer and Jiang 2010), a more complete
observational record of ERB variations and the underlying processes is now possible.
The TAR showed sea level rise curves for a range of emission scenarios (shown in the Figure above together with the new
observational record of Church and White 2006).
Bova et al., 2016 http://onlinelibrary.wiley.com/doi/10.1002/2016GL071450/abstract «
The observational record of deep - ocean variability is short, which makes it difficult to attribute the recent rise in deep ocean temperatures to anthropogenic forcing.
The 29 year
observational record of September sea ice extent has zero autocorrelation, zero skew, and only a weak correlation with the extent in the prior June.
But from an email conversation with Francis, Vavrus, and several other atmospheric scientists this week, it became clear that there may be more questions than answers at this point, given the large amount of natural variability that affects winter weather patterns, and the very short
observational record of how the atmosphere responded to extreme losses of sea ice (only five winters of records since 2007).
Not exact matches
It is an
observational study involving secondary analysis
of maternity
records, using binary logistic regression modelling.
Observational records indicate that 11
of the past 12 years are the warmest since reliable
records began around 1850.
For a start,
observational records are now roughly five years longer, and the global temperature increase over this period has been largely consistent with IPCC projections
of greenhouse gas — driven warming made in previous reports dating back to 1990.
Similar ideas have also addressed the possibility
of a fainter young Sun, but direct
observational evidence in the geological
record is currently lacking, making it the subject
of debate among scientists.
We've narrowed the uncertainty in surface warming projections by generating thousands
of climate simulations that each closely match
observational records for nine key climate metrics, including warming and ocean heat content.»
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.
(The average lunar day is about 51 minutes longer than the solar day because
of the moons rotation around Earth and this allows scientists to reliably separate the two tides in long
observational records.)
Co-author Nerilie Abram, from the Australian National University, said: «In order to better understand climate change in Antarctica, we need continued climate measurements in the Antarctic and Southern Ocean, and extension
of these short
observational records with past climate reconstructions and climate modelling.»
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.
Montana's snowpack has declined over the
observational record (i.e., since the 1930s) in mountains west and east
of the Continental Divide; this decline has been most pronounced since the 1980s.
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.
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.
While it may not have broken viewership
records, the show was a bastion for half - hour slice -
of - life
observational dramedy.
An
observational component will
record and score videotapes
of instruction, allowing for a description
of current instruction as well as a comparison
of current instruction with that observed during the TIMSS video study (Heibert et al., 2005).
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.
We also collected data during the writing camp, such as
observational field notes and video
recordings of the teachers working with campers (approximately seven per teacher).
Only after they reached a high level
of proficiency in recognizing technology usage and
recording data did they begin collecting the
observational data for this investigation.
The teacher also conducts an
observational assessment with David using intuitive icons to
record observations
of the student's problem - solving methods.
Neither did I until I took a look at the new «National
Observational Teaching Exam,» or NOTE, brought to you by the Educational Testing Service (ETS)-- the same company that brings us the Graduate
Record Exam (GRE), the SAT, the PRAXIS tests, the AP Exams, and the National Assessment
of Educational Progress (NAEP).
The relatively low prevalence
of recorded diagnoses
of BOAS and other respiratory problems in the current primary - care population using a retrospective
observational study design is in sharp contrast with the findings from some other prospective clinical studies.
It's based upon multiple lines
of evidence including (in no particular order) the paleoclimate
record, experimental evidence, well - established physical theory, and
observational evidence.
None
of the above should be taken as trying to diminish the work
of Farman and colleagues whose «old school» brand
of observational science certainly paid off, but a result is far more powerful when seen in multiple independent
records.
The
observational record contradicts the simplifying assumptions used in current models
of ice sheet response.
They do this by seeing whether the same result is seen in other simulations, with other models, whether it makes physical sense and whether there is some evidence
of similar things in the
observational or paleo
record.
Mike's work, like that
of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use
of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate
record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth
of GFDL showing evidence in both climate model simulations and
observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role
of solar variations in explaining the pattern
of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes
of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit
of work in atmospheric chemistry (an analysis
of beryllium - 7 measurements).
Since our
observational record is far to short to have documented any D - O event previously, we could be «blindsided» by the onset
of such a phenomenon.
Arguably the very foundation
of our understanding is the
observational record.
Given the short length
of the trustworthy oceanic
observational record, particularly in the deep ocean, the ocean response to multi-decadal and longer natural forcings is virtually unknown.
[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.
Internal variability as estimated from observations can't explain sea - ice loss Superposition
of a linear trend and internal variability explains sea - ice loss
Observational sea - ice
record shows no signs
of self - acceleration
A typo in mine at # 25 is where 40,000 m3 should read 400,000 m3, and an addendum is the reference for the forcing from the Albedo Loss feedback shown in the satellite
record: «
Observational determination
of albedo decrease caused by vanishing Arctic sea ice» See: http://eisenman.ucsd.edu/publications/Pistone-Eisenman-Ramanathan-2014.pdf
Andy (or anyone else with full access)-- The abstract states that «Inferences from the
observational record... indicate that models underestimate some
of the changes in the hydrological cycle.»
Furthermore, as the length
of the
observational series become longer, the probability
of seeing new
record - events diminishes and the expected number
of records gradually declines.
Before jumping to conclusions, there needs to be much better justification
of the basic assumption that we just happen to be sitting at a time when GHG forcing is larger than all other potential long term (longer than the
observational record) oceanic imbalances.