Sentences with phrase «atmospheric loss by»

New measurements of atmospheric loss by NASA's MAVEN probe should help scientists determine how a planet with rushing water and a temperate climate a few billion years ago transformed into a cold, dry desert.

Not exact matches

The new research, published today in the journal Geophysical Research Letters, explains that this atmospheric loss is driven by a polar wind powered by an interaction between sunlight, the solar magnetic field and the molecules present in the upper atmosphere.

To determine whether declining pollutants deserve credit for the recovery, the researchers used a 3D atmospheric model to separate the effects of the chemicals from those of weather, which can affect ozone loss through winds and temperature, and volcanic eruptions, which deplete ozone by pumping sulfate particles into the upper atmosphere.

Instead it reveals bumps that could indicate a loss of OH, according to research presented at the AGU conference by Alexander Turner, a graduate student in atmospheric chemistry at Harvard University.

«I predict that due to the loss of these atmospheric whirlpools, the average temperature on Jupiter will change by as much as 10 degrees Celsius, getting warmer near the equator and cooler at the poles,» says Marcus.

Scientists are still investigating how this atmospheric loss occurred, but suggest that the sun might have pushed light molecules out of Mars» upper atmosphere that could not be held in by the planet's gravity.

Plants can minimize water loss by closing stomata, but this must be balanced by the need to take in atmospheric CO2 for sugar production.

The lag between decreases in sea ice extent during late summer and changes in the mid-latitude atmospheric circulation during other seasons (like autumn and winter, when the recent loss of sea ice is much smaller) have been demonstrated empirically, but have not been captured by existing dynamical models.

«I predict that due to the loss of these atmospheric whirlpools, the average temperature on Jupiter will change by as much as 10 degrees Celsius, getting warmer near the equator and cooler at the poles,» says Marcus.

Right and that fundamental is that a doubling of CO2 will increase atmospheric resistance to heat loss by about 3.7 Wm - 2 which could produce 0.8 to 1.5 C of warming depending at the surface or surfaces chosen as references.

By contrast atmospheric temperature amplification is not evident in the Antarctic which is insulated by relatively stable circumpolar winds, persistent sea - ice coverage and the loss of tropospheric ozonBy contrast atmospheric temperature amplification is not evident in the Antarctic which is insulated by relatively stable circumpolar winds, persistent sea - ice coverage and the loss of tropospheric ozonby relatively stable circumpolar winds, persistent sea - ice coverage and the loss of tropospheric ozone.

Provided that ocean and atmospheric conditions favor rapid melting in June and July, which we feel are still likely, it is therefore hypothesized that the 2013 fall sea ice extent will achieve values comparable to those of 2012, with regional losses governed by local wind and ice conditions and dynamics.

This is not the case in the Arctic where loss of ice from the Greenland Ice Sheet (GIS) and Canadian Islands is caused by rising atmospheric temperature and a warming Arctic ocean.

Thus a change of water vapour, sky radiation and tempcrature is corrected by a change of cloudiness and atmospheric circulation, the former increasing the reflection loss and thus reducing the effective sun heat.

Serious tree loss and stunted growth caused by repeated droughts in the Amazon Basin have damaged the rainforest's vital ability to store atmospheric carbon

Lukovich et al, 4.3, n / a, Heuristic It is hypothesized that the 2012 fall sea ice extent will attain values comparable to those of 2011 based on a heuristic assessment of sea ice and surface atmospheric dynamics, with regional losses governed by local wind and ice conditions.

We analyze spatial patterns of precipitation globally associated with forest loss by calculating shifts in the global tropical precipitation band, the Inter-Tropical Convergence Zone (ITCZ), associated with changes in cross-equatorial atmospheric heat transport using equation 2.21 from [33].

If the Ocean slowly cools with radiant heat loss to space via warmer Arctic waters and a discernible decrease in atmospheric temps the last 1.5 years since the Super El Nino of 2016, then there should be more atmospheric CO2 uptake by cooling oceans.

Until or unless the planetary body is at the same temperature as deep space there will always be energy input at the bottom of the atmospheric column (and a temperature gradient) and there will always be heat loss by radiation (or some other means like boiling off of the atmosphere) at the top of the column.

Repeated drought and tree loss mean that there is increasing risk that the forest may one day cease to be a «sink» for atmospheric carbon released by the combustion of fossil fuels.

Worse, every rise in atmospheric temperature is taken by AGW «science» to indicate warming, when in many cases, it merely is a sign that additional heat is exposed to the 4 degree Kelvin temperature of outer space, resulting in higher radiative losses.

Likewise, the 2008 ice loss was explained as «The shift in location of maximum ice losses was fueled by a shift in atmospheric circulation.

Oxidation by chlorine (Cl) atoms in the marine atmospheric boundary layer is suggested as an additional sink for CH4, possibly constituting an additional loss of about 19 Tg (CH4) yr — 1 (Gupta et al., 1997; Tyler et al., 2000; Platt et al., 2004; Allan et al., 2005).

The Concordia Dome ice core turns out to average about 0.43 cm of ice per year, so the loss of resolution of atmospheric CO2 by diffusion averaging is about twice the rate of Vostok.

However, it has long been established that the bulk planetary heat loss is determined by atmospheric temperatures far above the surface (Hulburt 1931; North 1975).

Following cessation of emissions, removal of atmospheric carbon dioxide decreases radiative forcing, but is largely compensated by slower loss of heat to the ocean, so that atmospheric temperatures do not drop significantly for at least 1,000 years.

Also, Baggage Insurance will be of no assistance in case the insured person entrusted their property to a third party; or the lost item has been loaned, hired or entrusted to the insured person; if a person has not reported loss or theft to the Police within 24 hours of discovery; if loss or damage has been caused by delay, wear and tear, atmospheric conditions, or mechanical derangement.