Sentences with phrase «good observational evidence»

Nor is there good observational evidence that air over the open ocean warms faster than SST.

I'm not sure that is supported by good observational evidence.

Carrick «Keep in mind the estimates for the half - life of CO2 emissions is on the order 800 years (based on correlational studies)» niclewis September 24, 2014 at 3:00 pm I'm not sure that is supported by good observational evidence.

But now one of the teams involved in the debate has produced the best observational evidence yet that there is more to red shifts than meets the eye.

The refusal in AR5 to accept the implications of the best observational evidence and of the over-estimation of warming by the climate models and accordingly to either: reject the ensemble of GCM projections; use projections from a subset of GCMs with ECS and TCR values fairly close to the best observational estimates; or scale all GCM projections to reflect those estimates is unscientific.

The [climate models] overestimate future warming by 1.7 — 2 times relative to an estimate based on the best observational evidence.

The big question is this: Will the lead authors of the relevant chapter of the forthcoming IPCC scientific report acknowledge that the best observational evidence no longer supports the IPCC's existing 2 ° -4.5 °C «likely» range for climate sensitivity?

Not exact matches

I said «good evidence» because there are indeed some studies suggesting that kids who consume more omega - 3s have better cognitive skills, but these are mostly observational or cross-sectional studies, which can be fraught with problems.

Some barriers include the negative attitudes of women and their partners and family members, as well as health care professionals, toward breastfeeding, whereas the main reasons that women do not start or give up breastfeeding are reported to be poor family and social support, perceived milk insufficiency, breast problems, maternal or infant illness, and return to outside employment.2 Several strategies have been used to promote breastfeeding, such as setting standards for maternity services3, 4 (eg, the joint World Health Organization — United Nations Children's Fund [WHO - UNICEF] Baby Friendly Initiative), public education through media campaigns, and health professionals and peer - led initiatives to support individual mothers.5 — 9 Support from the infant's father through active participation in the breastfeeding decision, together with a positive attitude and knowledge about the benefits of breastfeeding, has been shown to have a strong influence on the initiation and duration of breastfeeding in observational studies, 2,10 but scientific evidence is not available as to whether training fathers to manage the most common lactation difficulties can enhance breastfeeding rates.

But she concludes: «Ultimately, the role of diet in MS is an actively evolving area of research that will be further enriched by complementary evidence derived from a combination of interventional as well as high quality longitudinal observational studies.»

He concludes, «Mounting evidence from ecological and observational studies, as well as studies of mechanisms, indicates that the Western dietary pattern — especially the large amount of meat in that diet — is strongly associated with risk of developing Alzheimer's disease and several other chronic diseases.

It's all very well to have a theory and simulations suggesting it should be true, but real observational evidence is great,» said Curtis Struck, a professor of astrophysics at Iowa State University in Ames and co-author on the paper.

We have chosen the PEBO as an example because 1) it is a topic that is amenable to conducting randomized controlled trials (RCTs), and thus, there are not insurmountable barriers to moving beyond observational evidence, and 2) it seems like a less politically charged topic than the topics of some previous publications on biased reporting [eg, sugar - sweetened beverages (2, 3) and breastfeeding (4)-RSB- to better facilitate the discussion of extrascientific factors that affect the fidelity of research reporting.

«This diet study is much better than purely observational ones, but it is far from one that provides definitive evidence,» Dr. David Knopman, a neurologist at the Mayo Clinic in Rochester, Minnesota, said by email.

It is evidence that «good teaching» is happening by the criteria used to create the observational tool.

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.

The reception to my comments was especially cold... not one supporter, though a couple of scientists did say I had a «lot of guts» to stand up and say what I said before 140 L.A.s. I was (and still am) calling for the AR5 to be a more open scientific assessment in which those of us who are well - credentialed and have evidence for low climate sensitivity (observational and theoretical) be given room to explain this.

Surely the IPCC and others at GISS can come up with based on the based available observational evidence and paretial difference equations and paleo climatic data a bloody good guess as to what response ice sheets will have to a known temperature rise come BAU to overall CO2 levels of 450 to 550 ppmv come the centurys end.

«Best practice» in its usual meaning relies on observational evidence, not models or theories.

The disagreement arises from different assessments of the value and importance of particular classes of evidence as well as disagreement about the appropriate logical framework for linking and assessing the evidence — my reasoning is weighted heavily in favor of observational evidence and understanding of natural internal variability of the climate system, whereas the IPCC's reasoning is weighted heavily in favor of climate model simulations and external forcing of climate change.

Theoretical calculations are well confirmed by observational evidence in the atmosphere of Earth.

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.

Despite this lack of a solid theoretical framework, paleoclimatologists keep publishing article after article where they report correations between solar proxy periodicities and climate proxy periodicities, and the observational evidence is now so abundant as to obviate the lack of a theory or well defined mechanism.

That's why it's framed this way and the idea that a percentage of current C is all or even a good chunk of past A isn't based on any observational evidence.

The mean value and spread in climate models are essentially unchanged from AR4, but are now supported by stronger observational evidence and better process understanding of what determines relative humidity distributions.

«The observational evidence showed that NAO interannual variability is well correlated to ENSO variability in the tropical Pacific

Against that we have observational evidence that the polar high pressure cells do vary from influences above and until there is another explanation I'll go with the solar / expansion idea but any idea that demonstrably works is good enough for me.

I showed that using the best observational estimates of forcing given in the SOD, and the most recent observational OHU estimates, a heat balance approach estimates ECS to be 1.6 — 1.7 °C — well below the «likely» range of 2 — 4.5 °C that the SOD claims (in Section 10.8.2.5) is supported by the observational evidence, and little more than half the best estimate of circa 3 °C it gives.

I will admit off the top that my evidence is anecdotal and observational; however, I have recently taken classes in other faculties and I've seen first hand from, the student perspective, what it does to a class and I can also attest that this is not unique to law students but we are talking about law in this forum and it holds to law students as well.

Validation for preschool MDD (based on meeting all DSM - IV symptom criteria) has been supported by the finding of a specific symptom constellation that was distinct from other psychiatric disorders and stable during a 6 - month period.22 Additionally, alterations in the hypothalamic - pituitary - adrenal axis reactivity similar to those known in adults with depression, greater family history of mood disorders, as well as observational evidence of depressive affects and behaviors were detected in preschoolers with depression, providing further validation.22,25,27 - 30 More recent findings from a larger independent sample (N = 306) ascertained from community sites (and serving as the population for this investigation) have replicated the findings described above and have also demonstrated that preschoolers with depression display significant functional impairment evident in multiple contexts rated by both parents and teachers.24