Sentences with phrase «satellite estimates»

We only selected stations with an associated population greater than 2 million, and had a very high night - light brightness according to two different satellite estimates.

The team then used previous satellite estimates to calculate the gross carbon productivity — the amount of carbon incorporated into organic matter during photosynthesis — of oceans across the entire globe.

The ice - ocean model is initialized with satellite estimates of ice concentration, model - simulated ice thickness, and ocean temperature / salinity fields and is forced by the atmospheric fields from 2003 to 2009.

I've been under the impression that since about 1982 SST is based on satellite estimate of surface temperatures.

Average global sea level, while important to those who worry about AGW and the doom they believe is to come, relies on satellite estimates which have a lot of error built into them, and can't be related sensibly to tide gauges, though there have been attempts.

It turns out that almost all of the +2.8 mm / yr (or +3.1 mm / yr if Peltier's post-glacial rebound adjustments are applied) sea level rise in the 1993 - present satellite estimates are due to adjustments!

Oceanographer, Dr Alessandro Tagliabue, from the University's School of Environmental Sciences, said: «We combined all available iron data, matched them with physical data from autonomous profiling floats and used the latest satellite estimates of biological iron demand to explore how iron is supplied to the phytoplankton in the Southern Ocean.

Specifically, the new plane - based measurements show warm water is reaching nearly 7.5 miles inland from where satellite estimates indicate the grounding line on Pine Island Glacier's southwest tributary to be.

The methodology for obtaining the surface turbulent fluxes uses physical properties of active and passive satellite instrument measurements, empirical and inverse models relating satellite observations and surface parameters, and objective analysis merging various satellite estimates.

Despite satellite estimates that more than doubled the population of known Emperor Penguins, the International Union for the Conservation of Nature (IUCN) changed their ranking of Emperors from a species of Least Concern to a Near - Threatened species based on modeling studies blaming the decline of DuDu's penguins on climate change as presented in Jenouvrier and Caswell's study.

But, it turns out that the only satellite estimates which are actually independent of the problematic tidal gauge records are the raw, unadjusted estimates.

As seen here from recent satellite estimates, the amount of Greenland's lost continental ice, coincides with the warmth of the Irminger Current, with pinker areas representing the highest rates of lost ice.24

Re satellite estimates, I still wonder what your opinion on the revised Bellouin et al..

As with IMBIE 2012, it will collate, compare, integrate, interpret, and report satellite estimates of ice sheet mass balance, with the overall aim of producing a community assessment of Greenland and Antarctica's ongoing contributions to global sea level rise.

The ice - ocean model is initialized with satellite estimates of ice concentration and model - simulated ice thickness and ocean fields, and is forced by the atmospheric fields from 2003 to 2009.

The ice - ocean model is initialized with satellite estimates of ice concentration and model simulated ice thickness and ocean fields and is forced by the atmospheric fields from 2003 to 2009.

The researchers combined data gathered from the buoys between 2002 and 2015 with satellite estimates of ice thickness in this region to better understand changes affecting the Arctic Ocean in recent years.

Xie, P., and P.A. Arkin, 1997: Global precipitation: A 17 - year monthly analysis based on gauge observations, satellite estimates, and numerical model outputs.

Warming is most notable in winter, with satellite estimates of November - December temperatures at the North Pole showing a clear upward trend since 1990.

It is unclear whether this estimate of temperature trend is more relevant to Kilimanjaro summit conditions than the sonde and satellite estimate.

org «The sharp eyed among you will notice that the satellite estimates (even UAH)-- which are basically weighted means of the vertical temperature profiles — are also apparently inconsistent with the selected radiosonde estimates (you can't get a weighted mean trend larger than any of the individual level trends!).»

The sharp eyed among you will notice that the satellite estimates (even UAH Correction: the UAH trends are consistent (see comments)-RRB--- which are basically weighted means of the vertical temperature profiles — are also apparently inconsistent with the selected radiosonde estimates (you can't get a weighted mean trend larger than any of the individual level trends!).

Indeed, Ostanciaux et al., 2012 (Abstract; Google Scholar access), explicitly assumed that the satellite estimates were independent of the tidal gauge estimates, for identifying problems in the tidal gauge estimates!

So, are the satellite estimates reliable?

In this new work Quirk has looked at the effect right across the country and the years when the satellite estimates diverge from the ground thermometers are indeed the wetter years.

First, better calibrations of satellite data and better methods for the optimal combination of earth measurements, satellite estimates, and model outputs may provide a better understanding of precipitation.

As a result, satellite estimates of sea levels involve the use of complex models, approximations, other measurements and calculations.

He decided there must be some sort of drift bias in the satellite estimates.

Physical properties of the water and satellite estimates of primary productivity were used separately to describe 25 different water masses in Australia's oceans, identified by different circulation regimes and oceanographic features.

However, satellite estimates are not what we use to determine whether the global temperature is exceptional.

Still, whatever route they took, from the satellite estimates, it seems unlikely they would have gotten as far as they did, if they had attempted their voyage in 1979.

If there are problems with those assumptions, it may affect the reliability of the satellite estimates.

Given the various lines of evidence, I feel it is more likely that we will discover additional problems with the satellite estimates in the tropics.