Sentences with phrase «effect of clouds found»

Not exact matches

In a recent study, for instance, well - respected climate models were shown to have completely opposing estimates for the overall effect of the clouds and smoke in the southeast Atlantic: Some found net warming, whereas others found cooling.

They found a small correlation between cosmic rays and global temperatures occurring every 22 years; however, the changing cosmic ray rate lagged behind the change in temperatures by between one and two years, suggesting that the cause of the temperature rise might not be attributable to cosmic rays and cloud formation, but could be caused by the direct effects of the sun.

Erik Svendsen, who studied the health effects of the Graniteville chlorine cloud, said researchers knew they would find pulmonary and other health problems in people exposed.

In effect reprising his role from Peter Weir's 2003 swashbuckler «Master and Commander», the ever - reliable Bettany plays Darwin as a kindly fusspot who discovers that his austere view of death as an essential cog in the machinery of natural selection has the potential to outrage those who find consolation in an afterlife of clouds, angels and spiritual exoneration.

While on the subject: Could I ask your take on Erlykin et al. 2011, in particular their finding that any effect of cosmic radiation is limited to 1 % of cloud cover, and their estimate that any temperature increase due to such a mechanism over the past 50 years of barely changing CR is limited to 0.002 °C?

-- Harrison et Stephenson 2006 over UK from 1947 found a small and non-linear effect of GCR on clouds (day - to - day, so also sensitive to minimum - to - maximum mean variations).

The paper he wrote together with Friis - Christensen in which he found a correlation between solar activity and clouds had a «slight» flaw: it ignored that the period of the study coincided with a big El Nino, and that large scale changes in ocean surface temperature are going to have an effect on cloud formation.

Taking into account the obscuring effects of high cloud, it was found that thick low clouds decreased by more than 20 % in the eastern tropical Pacific... In contrast, most increase in low cloud amount due to doubled CO2 simulated by the NCAR and GFDL models occurs in the subtropical subsidence regimes associated with a strong atmospheric stability.»

Francis & Hunter found that the downward long - wave radiation associated with a retreating sea - ice extent is more important (a stronger effect) than cloud modulation of SW also associated with the sea - ice extent.

This, even though over the Indian Ocean basin Ramanathan's team found that sooty brown clouds enhance heating by half of CO2's claimed effect, not masking it by half as had previously been thought.

With a straightforward scheme for allocating overlaps, we find that water vapor is the dominant contributor (∼ 50 % of the effect), followed by clouds (∼ 25 %) and then CO2 with ∼ 20 %.

Contrary to the analysis of a majority of studies, his found that for the past decade, variations in clouds seemed more a cause of warming than an effect.

In summary the findings to date indicate that the effect of cosmic rays on cloud formation is small compared to the large variations in natural biogenic aerosol emissions.

We find that water vapor is the dominant substance — responsible for about 50 % of the absorption, with clouds responsible for about 25 % — and CO2 responsible for 20 % of the effect.

They also do some idealized calculations of cloud effects which I found interesting.

Taking into account the obscuring effects of high cloud, it was found that thick low clouds decreased by more than 20 % in the eastern tropical Pacific...» (emphasis mine)

It is found that these errors are very large, exceeding 800 W m - 2 at many non-radiation time steps due to ignoring the effects of clouds....»

Svenmark's GCRs have been mentioned, but despite Kirkby claiming that the CERN / CLOUD experiment had NO implications for the GCR hypothesis of causing climate effects, I think the sentence in the abstract ---» We find that ion - induced binary nucleation of H2SO4 — H2O can occur in the mid-troposphere but is negligible in the boundary layer.»

«We found that aerosol indirect effect on deep convective cloud systems could lead to enhanced regional convergence and a strong top - of - atmosphere warming.»

A few years ago, Pierce and Adams modeled the potential cloud forming effect of cosmic rays and found it wanting by more than an order of magnitude, even when the most favourable assumptions possible were made.

«On the monthly timescale, clouds were found to have a warming effect on the surface of the Antarctic continent for every month of the year, which means that the longwave effect of clouds is larger than the shortwave effect of clouds for every month.

They found that changes in atmospheric ionization during the 11 - year solar cycle, and the resulting variations in aerosol formation, produced a globally asymmetric radiative forcing with a net cloud albedo effect of − 0.05 W m − 2.

With a straightforward scheme for allocating overlaps, we find that water vapour is the dominant contributor (∼ 50 % of the effect), followed by clouds (∼ 25 %) and then CO2 with ∼ 20 %.

We find that the major effects of clouds on radiation change are linked to known physical processes that are quite consistently simulated by models.

Motivated by findings that major components of so - called cloud «feedbacks» are best understood as rapid responses to CO2 forcing (Gregory and Webb in J Clim 21:58 — 71, 2008), the top of atmosphere (TOA) radiative effects from forcing, and the subsequent responses to global surface temperature changes from all «atmospheric feedbacks» (water vapour, lapse rate, surface albedo, «surface temperature» and cloud) are examined in detail in a General Circulation Model.

We find that the net effects of cloud masking and cloud PRP on atmospheric absorption are both substantial.

Since the less than positive feedback of clouds in the tropics appears to be the reason that the tropical troposphere hot spot signature of WMGHG warming is missing which implies that the water vapor and cloud feedbacks that are supposed to produce 2/3 of the GHG effect warming are not following the game plan, Spencer et al., by averaging ever damn thing they would find that might possibly show the tropical troposphere hot spot, are basically telling Trenberth and Dessler, «told ya so!»

A recent study used NASA satellite observations to test the skill of climate models in simulating this cloud - type transition, and found that high sensitivity models simulate it more accurately, while low sensitivity models tend to overemphasize its climate cooling effect.

As with many things the IPCC claims, I find the actions they attribute to it unscientific and a misjudgement of cause and effect, as with the effect of clouds.

Berkeley Lab researchers Dev Millstein and Surabi Menon found that atmospheric feedback — such as changes in cloud cover or precipitation — does have an important effect, resulting in different amounts of cooling in different cities, but that cool roofs and pavements are still beneficial for combating global warming.

The findings also show the effect of reduced airborne particulates from burning coal, which may decrease the cloud cover that cools the earth, probably has less of an impact on climate through indirect cooling than originally projected.

In effect, HHJ McMullen finds that the tribunal allowed their disapproval of the behaviour of Miss Nixon to cloud their conclusions, based on their findings of fact.