Sentences with phrase «averages over land areas»

The variation over time of the hydrological variables and temperature are shown below for averages over land areas for NW, NE, SW and SE Europe.

Relative humidity averaged over all land areas declined quite sharply from the late 1990s to the mid 2000s.

Comparison of NH temperature reconstructions, all recalibrated with linear regression against the 1881 - 1960 mean April - September instrumental temperatures averaged over land areas north of 20ºN.

Not exact matches

This translates into an average temperature rise of 4.3 C over land in the northern hemisphere where most of the world's population lives, and even more in urban areas.

Temperature changes relative to the corresponding average for 1901 - 1950 (°C) from decade to decade from 1906 to 2005 over the Earth's continents, as well as the entire globe, global land area and the global ocean (lower graphs).

The average Nevada county is over 6,400 square miles, and most of the land area is sparsely populated (click map for larger version):

Is this because in the past with average precip area larger, precipitating systems that were mostly oceanic dumped some larger fraction of rain over land, but with precip areas shrinking this is no longer the case?

Averaged over the mid-latitude land areas of the Northern Hemisphere, precipitation has increased since 1901 (medium confidence before and high confidence after 1951).

KEY FINDINGS Forests cover 31 percent of total land area The world's total forest area is just over 4 billion hectares, which corresponds to an average of 0.6 ha per capita (Figure 1).

The magnitude of the dimming was as large as 10 — 20 % (based on a monthly average) over vast areas of land and ocean regions.

Worldwide, from 1980 to 2009, floods caused more than 500,000 deaths and affected more than 2.8 billion people.18 In the United States, floods caused 4,586 deaths from 1959 to 200519 while property and crop damage averaged nearly 8 billion dollars per year (in 2011 dollars) over 1981 through 2011.17 The risks from future floods are significant, given expanded development in coastal areas and floodplains, unabated urbanization, land - use changes, and human - induced climate change.18

The cold spells cover large enough areas to influence significantly also averages taken over wider areas like the extratropical NH land areas.

lower than average over only a few land and oceanic areas, including the equatorial eastern Pacific Ocean, where La Niña conditions predominated.

below average over a few land and oceanic areas, including the equatorial eastern Pacific Ocean, where La Niña conditions predominated.

Monthly anomalies with respect to 1981 - 2010 in the relative humidity of surface air averaged over all and European land areas, from January 1979 to February 2018.

Monthly anomalies with respect to 1981 - 2010 in the relative humidity of surface air averaged over all and European land areas, from January 1979 to March 2018.

Running four - month averages of anomalies over land areas for SW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.

Average precipitation is changing in many regions with both increases and decreases and there is a general tendency for increases in extreme precipitation observed over land areas.

Running four - month averages of anomalies over land areas for NE Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.

Running four - month averages of anomalies over land areas for SW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.

Running four - month averages of anomalies over land areas for NW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.

The area - averaging for Europe is over all land between 25 ° W and 40 ° E and 34 ° N and 72 ° N. See more information in the about section.

Twelve - month running means of two - metre relative humidity (%) from 1979 to 2017 for ERA - Interim, part of ERA5 and JRA - 55, averaged over continental land areas.

These twelve - month running - mean time series of precipitation amounts averaged over continental land areas and the European sub-regions include values from JRA - 55 and values available to date from ERA5, the reanalysis currently in production to supersede ERA - Interim.

The time series uses - an area - weighted average of the surface air temperature over land and the temperature of water at the ocean's surface.

And we still have to allow for area weighting of data from such a site when averaged over the Earth's land surface.

And area averaging over the Earth's land surface combined with the fact that most of the Earth is water reduces any impact even further.

Calculated warming over land areas averages approximately 20 °C.

By 2090, average annual air temperatures are projected to rise across the entire Arctic region by roughly 3 to 5 °C over land areas and up to 7 °C over the oceans.

However, for changes over time, only anomalies, as departures from a climatology, are used, most commonly based on the area - weighted global average of the sea surface temperature anomaly and land surface air temperature anomaly.

Surface air temperatures for the four individual seasons of 2017 were also higher than the averages for 1981 - 2010 over many areas of land and ocean.

In total, 180 coastal municipalities in the conterminous U.S.A. with populations over 50,000 have an average of 36 % of their land area at or below 6 meters of elevation and connected to the sea.

Average non-Antarctic land area / capita is currently just over 2 hectares of which less than a third is suitable for cultivation (provided we get rid of all forested and grassland in order to cultivate).

The number that I ask you to remember is the increase in thickness, averaged over one half of the land area of the planet, of the biomass that would result if all the carbon that we are emitting by burning fossil fuels were absorbed.

Running four - month averages of anomalies over land areas for NE Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to April 2018.

Running four - month averages of anomalies over land areas for NW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to April 2018.

Running four - month averages of anomalies over land areas for SE Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to April 2018.

Running four - month averages of anomalies over land areas for SW Europe with respect to 1981 - 2010 for precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to April 2018.

So, if one billion atomic bombs had actually rained down at random over the Earth's surface over the last decade, then on average 30 million such bombs would have landed in urban areas.